OWNER’S MANUAL
SNOWMOBILE
LIT-12628-02-60
PZ50FXW
PZ50GTW
PZ50MW
PZ50VTW
8GK-28199-10
A
ESU00286
1-
MACHINE IDENTIFICATION
Identification number records
A. FRAME NUMBER:
CZ-01E
B
B. ENGINE NUMBER (PRIMARY ID):
CZ-01E
C. KEY NUMBER:
C
CZ-01E
Record the frame number, engine number (Primary ID),
and key number in the spaces provided for assistance
when ordering spare parts from a Yamaha dealer.
1
The
frame number
is the seventeen-digit number
stamped on the frame of the snowmobile. (See
fig.È.)
2
The
engine number
is stamped in the location as
shown. (See fig. É.)
3
Key number
(See fig. Ê.)
Also, record and keep the ID numbers in a separate
place in case the snowmobile is stolen.
ESU00011
1-
INTRODUCTION
Congratulations on your purchase of a Yamaha snowmobile. This model is the result of Yamaha’s vast experience
in the production of fine sporting and touring snowmobiles. It represents the high degree of craftsmanship and
reliability that have made Yamaha a leader in these
fields.
This manual will give you an understanding of the operation, inspection, and basic maintenance of this snowmobile. If you have any questions concerning the operation
or maintenance of your snowmobile, please consult a
Yamaha dealer.
To maintain the high quality and performance of this
snowmobile, it is important that you and your Yamaha
dealer pay close attention to the recommended maintenance schedules and operating instructions contained
within this manual.
PZ50FXW
PZ50GTW
PZ50MW
PZ50VTW
OWNER’S MANUAL
©2006 by Yamaha Motor Corporation, U.S.A.
1st Edition, May 2006
All rights reserved.
Any reprinting or unauthorized use
without the written permission of
Yamaha Motor Corporation, U.S.A.
is expressly prohibited.
Printed in Japan
P/N LIT-12628-02-60
WARNING
@
PLEASE READ AND UNDERSTAND THIS MANUAL
COMPLETELY BEFORE OPERATING THE SNOWMOBILE.
@
NOTE:
@
●
Yamaha continually seeks advancements in product
design and quality. Therefore, while this manual contains the most current product information available
at the time of printing, there may be minor discrepancies between your snowmobile and this manual. If
there is any question concerning this manual, please
consult a Yamaha dealer.
●
This manual should be considered a permanent part
of this snowmobile and should remain with the snowmobile when resold.
@
Particularly important information is distinguished in this
manual by the following notations.
The Safety Alert Symbol means ATTENTION! BECOME
ALERT! YOUR SAFETY IS INVOLVED!
WARNING
@
Failure to follow WARNING instructions could result in
severe injury or death to the snowmobile operator, a
bystander, or a person inspecting or repairing the snowmobile.
CAUTION
@
:
A CAUTION indicates special precautions that must be
taken to avoid damage to the snowmobile.
NOTE:
@
A NOTE provides key information to make procedures
easier or clearer.
ESU00003
CONTENTS
YAMAHA MOTOR CORPORATION,
U.S.A. SNOWMOBILE LIMITED
WARRANTY
YAMAHA EXTENDED SERVICE
(Y.E.S.)
LOCATION OF THE IMPORTANT
LABELS
SAFETY INFORMATION
DESCRIPTION
CONTROL FUNCTIONS
Main switch......................................5-1
Throttle lever....................................5-1
Engine overheating prevention
system .............................................5-2
Throttle override system
(T.O.R.S.) ........................................5-2
Speedometer unit ............................5-4
High beam indicator light .................5-5
Fuel meter and grip/thumb warmer
level indicator...................................5-5
Fuel level warning indicator .............5-6
Oil level warning indicator................5-6
Low coolant temperature indicator
light ..................................................5-7
Drive “D” and reverse “R” indicator
lights ................................................5-7
Knock control system “KCS”
indicator light ...................................5-7
Coolant temperature warning
indicator ...........................................5-8
Self-diagnostic system.....................5-8
Engine stop switch...........................5-9
Drive select switch...........................5-9
Brake lever ....................................5-10
Parking brake lever........................5-10
Headlight beam switch ..................5-11
.......................................1-1
...............................................1-4
..............................................2-1
...................3-1
...................................4-1
....................5-1
Grip/thumb warmer adjustment
switch ............................................5-11
Passenger grip warmer switch ......5-11
Auxiliary DC jack ...........................5-12
Shroud latches ..............................5-12
Shroud and covers ........................5-13
Drive guard....................................5-14
V-belt holder ..................................5-14
Backrest ........................................5-15
Storage compartment....................5-15
Rear carrier ...................................5-15
PRE-OPERATION CHECKS
Fuel .................................................6-1
Engine oil.........................................6-2
Engine oil level ................................6-3
Coolant ............................................6-4
Throttle lever ...................................6-5
Throttle override system
(T.O.R.S.) ........................................6-5
Brake ...............................................6-6
Brake fluid leakage..........................6-7
V-belt ...............................................6-7
Drive guard......................................6-8
Drive track .......................................6-8
51-mm (2.0-in) high-profile pattern
drive track........................................6-8
Slide runners ...................................6-9
Skis and ski runners ........................6-9
Steering system.............................6-10
Lights.............................................6-10
Air filter ..........................................6-10
Fittings and fasteners ....................6-10
Tool kit and recommended
equipment......................................6-11
OPERATION
Starting the engine ..........................7-1
Break-in ...........................................7-2
Riding your snowmobile ..................7-3
Getting to know your snowmobile ...7-3
Learning to ride your snowmobile ...7-3
......................................7-1
..............6-1
To start out and accelerate..............7-3
Braking ............................................7-3
Turning ............................................7-4
Riding uphill .....................................7-4
Riding downhill ................................7-5
Traversing a slope ...........................7-5
Ice or icy surface .............................7-5
Hard-packed snow...........................7-6
Operation on surfaces other than
snow or ice ......................................7-6
Maximizing drive track life ...............7-7
Strap ................................................7-8
Driving .............................................7-8
Stopping the engine.......................7-10
Transporting ..................................7-10
Replacing a headlight bulb ............8-33
Adjusting the headlight beams ......8-34
Battery ...........................................8-34
Replacing a fuse............................8-35
TROUBLESHOOTING .......................9-1
STORAGE ........................................10-1
SPECIFICATIONS............................11-1
Dimensions....................................11-1
Engine ...........................................11-1
Chassis..........................................11-2
Electric...........................................11-3
PERIODIC MAINTENANCE ...............8-1
Periodic maintenance chart for the
emission control system ..................8-1
General maintenance and
lubrication chart ...............................8-2
Tool kit .............................................8-5
Removing and installing the shroud
and covers .......................................8-6
Checking the spark plugs ................8-9
Adjusting the engine idling
speed.............................................8-11
Adjusting the throttle cable ............8-11
Checking the throttle cable ............8-11
Adjusting the high-altitude
settings ..........................................8-12
Adjusting the valve clearance........8-12
Changing the engine oil.................8-13
Cooling system ..............................8-15
Replacing the V-belt ......................8-17
Checking the drive chain housing
oil level and the drive chain
tension ...........................................8-18
Checking the brake pads...............8-19
Checking the parking brake
pads...............................................8-20
Checking the brake fluid level........8-20
Changing the brake fluid................8-21
Suspension....................................8-21
Adjusting the drive track ................8-29
Aligning the skis.............................8-31
Lubrication .....................................8-32
WIRING DIAGRAM ..........................12-1
ESU05070
1-
YAMAHA MOTOR CORPORATION, U.S.A.
SNOWMOBILE LIMITED WARRANTY
CW-07E
Yamaha Motor Corporation, U.S.A. hereby warrants that
new Yamaha snowmobiles purchased from an authorized Yamaha snowmobile dealer in the continental United
States will be free from defects in material and workmanship for the period of time stated herein, subject to certain
stated limitations.
WARRANTY PERIOD:
1. All Yamaha snowmobiles shall be warranted for a
term of one (1) year from the date of purchase, plus
a special early-season extension (if applicable).
2. All Yamaha snowmobile clutch components are warranted against abnormal wear for one (1) year from
the date of purchase, plus a special early-season
extension (if applicable).
DURING THE PERIOD OF WARRANTY any au-
thorized Yamaha snowmobile dealer will, free of charge,
repair or replace, at Yamaha’s option, any part adjudged
defective by Yamaha due to faulty workmanship or
material from the factory. Parts used in warranty repairs
will be warranted for the balance of the snowmobile’s
warranty period. All parts replaced under warranty become the property of Yamaha Motor Corporation, U.S.A.
GENERAL EXCLUSIONS from this warranty shall
include any failures to the machine caused by:
1. Competition, racing, or non-Yamaha authorized rental
use.
2. Operation on surfaces other than snow or ice.
3. Installation of parts or accessories that are not qualitatively equivalent to genuine Yamaha parts.
4. Abnormal strain, neglect, or abuse.
5. Lack of proper maintenance.
6. Accident or collision damage.
7. Modification to original parts.
2. Give notice to an authorized Yamaha snowmobile
dealer of any and all apparent defects within ten (10)
days after discovery, and make the machine available at that time for inspection and repairs at such
dealer’s place of business. You may locate your
nearest authorized Yamaha dealer through your
local telephone directory.
WARRANTY TRANSFER: To transfer any remain-
ing warranty from the original purchaser to any subsequent purchaser, it is imperative that the machine be
inspected and registered for warranty by an authorized
Yamaha snowmobile dealer. In order for this warranty
to remain in effect, this inspection and registration must
take place within ten (10) days after ownership transfer.
An inspection and registration fee will be charged for this
service.
EMISSION CONTROL SYSTEM WARRANTY
Yamaha Motor Corporation, USA also warrants to the
ultimate purchaser and each subsequent purchaser of
each 2006 and later model Yamaha snowmobile covered by this warranty that the vehicle is designed, built,
and equipped so as to conform at the time of sale with
all U.S. emissions standards applicable at the time of
manufacture and that it is free from defects in materials
and workmanship which would cause it not to meet
these standards within the period listed immediately
below. Failures other than those resulting from defects
in material or workmanship which arise solely as a
result of owner abuse and/or lack of proper maintenance are not covered by this warranty.
All Models
Thirty (30) months from the original purchase date
SPECIFIC EXCLUSIONS
include parts replaced due to normal wear or routine
maintenance including oil, spark plugs, clutch drive belts,
slide runners, and track.
THE CUSTOMER’S RESPONSIBILITY
warranty shall be to:
1. Operate and maintain the snowmobile as specified in
the appropriate Owner’s Manual.
from this warranty shall
under this
1-1
CW-08E
YAMAHA MOTOR CORPORATION, U.S.A.
MAKES NO OTHER WARRANTY OF ANY KIND,
EXPRESSED OR IMPLIED. ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE WHICH
EXCEED THE OBLIGATIONS AND TIME LIMITS STATED IN THIS WARRANTY ARE HEREBY
DISCLAIMED BY YAMAHA MOTOR CORPORATION, U.S.A. AND EXCLUDED FROM THIS
WARRANTY.
SOME STATES DO NOT ALLOW LIMITATIONS
ON HOW LONG AN IMPLIED WARRANTY
LASTS, SO THE ABOVE LIMITATION MAY
NOT APPLY TO YOU. ALSO EXCLUDED FROM
THIS WARRANTY ARE ANY INCIDENTAL OR
CONSEQUENTIAL DAMAGES INCLUDING
LOSS OF USE. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF
INCIDENTAL OR CONSEQUENTIAL DAMAGES, SO THE ABOVE EXCLUSION MAY NOT
APPLY TO YOU.
THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS, AND YOU MAY ALSO HAVE
OTHER RIGHTS WHICH VARY FROM STATE
TO STATE.
WARRANTY QUESTIONS AND
ANSWERS
Q. What costs are my responsibility during the warranty
period?
A. The customer’s responsibility includes all costs of
normal maintenance services, non-warranty repairs,
accident and collision damages, as well as oil, spark
plugs, clutch drive belts, and slide runners.
Q. What are some examples of “abnormal” strain, ne-
glect, or abuse?
A. These terms are general and overlap each other in
areas. Specific examples include: Running the machine out of oil, hitting an object submerged under
snow, operation on surfaces other than snow or ice,
operating the machine with a broken or damaged
part which causes another part to fail, and so on. If
you have any specific questions on operation or
maintenance, please contact your dealer for advice.
Q. May I perform any or all of the recommended main-
tenance shown in the Owner’s Manual instead of
having the dealer do them?
A. Yes, if you are a qualified snowmobile mechanic and
follow the procedures specified in the Owner’s and
Service Manual. We do recommend, however, that
items requiring special tools or equipment be done by
a Yamaha snowmobile dealer.
SPECIAL EARLY-SEASON WARRANTY EXTENSION
A special warranty extension is available for all new
Yamaha snowmobiles purchased between June 1 and
December 1.
All new Yamaha snowmobiles purchased between June
1 and December 1 will have the warranty extended to
November 30 of the following year.
YAMAHA MOTOR CORPORATION, U.S.A.
Post Office Box 6555
Cypress, California 90630
Q. Under what conditions is the clutch not covered by
warranty?
A. Clutches as well as clutch components wear with
use. Normal wear is not covered under warranty such
service is the customer’s responsibility. Abnormal
wear is, however, covered for one (1) year from the
date of purchase. Your Yamaha snowmobile dealer
possesses criteria as to what constitutes abnormal
wear.
Q. Will the warranty be void or canceled if I do not
operate or maintain my new Yamaha exactly as
specified in the Owner’s Manual?
A. No. The warranty on a new Yamaha cannot be
“voided” or “canceled.” However, if a particular failure
is caused by operation or maintenance other than as
shown in the Owner’s Manual, that failure may not be
covered under warranty.
1-2
CW-09E
Q. What responsibility does my dealer have under this
warranty?
A. Each Yamaha snowmobile dealer is expected to:
1. Completely set up every new machine before sale.
2. Explain the operation, maintenance, and warranty
requirements to your satisfaction at the time of sale,
and upon your request at any later date.
3. In addition, each Yamaha snowmobile dealer is held
responsible for his setup, service and warranty repair
work.
Q. Whom should I contact if I have further questions
about this warranty?
A. Your Yamaha snowmobile dealer has the informa-
tion and experience necessary to answer almost any
questions about this warranty. If the dealer is not able
to do so, he is expected to contact Yamaha Motor
Corporation, U.S.A., for clarification or assistance.
CUSTOMER SERVICE
When contacting Yamaha Motor Corporation, U.S.A. be sure to include the model,
serial number, names, dates, and receipts.
CHANGE OF ADDRESS
The federal government requires each manufacturer of a
motor vehicle to maintain a complete, up-to-date list of all
first purchasers against the possibility of a safety-related
defect and recall. This list is compiled from the purchase
registrations sent to Yamaha Motor Corporation, U.S.A.
by the selling dealer at the time of your purchase.
If you should move after you have purchased your new
snowmobile, please advise us of your new address by
sending a postcard listing your snowmobile model name,
engine serial number, dealer number (or dealer’s name)
as it is shown on your warranty registration identification,
your name and new mailing address. Mail to:
If your machine requires warranty service, you must take
it to any authorized Yamaha snowmobile dealer within
the continental United States. Be sure to bring your
warranty identification card or other valid proof of the
original date of purchase. If a question or problem arises
regarding warranty, first contact the owner of the dealership. Since all warranty matters are handled at the dealer
level, this person is in the best position to help you. If you
are still not satisfied and require additional assistance,
please write:
YAMAHA MOTOR CORPORATION, U.S.A.
CUSTOMER RELATIONS
DEPARTMENT
P.O. Box 6555
Cypress, California 90630
YAMAHA MOTOR CORPORATION, U.S.A.
WARRANTY DEPARTMENT
P.O. Box 6555
Cypress, California 90630
This will ensure that Yamaha Motor Corporation, U.S.A.
has an up-to-date registration record in accordance with
federal law.
1-3
ESU04280
CW-06E
YAMAHA EXTENDED SERVICE (Y.E.S.)
1-4
1
PZ50FX/PZ50GT/PZ50M
1
PZ50VT
ESU00070
2-
LOCATION OF THE IMPORTANT
LABELS
Please read the following labels carefully before operating this snowmobile.
NOTE:
@
Maintain or replace safety and instruction labels, as necessary.
@
2
2-1
3 PZ50FX 4 PZ50FX/PZ50GT/PZ50M
4AA-22259-70
4AA-22259-60
5 PZ50M
6 PZ50M
7 PZ50M
8ED-2191H-E0
8FN-77761-E0
2-2
ESU00090
3-
SAFETY INFORMATION
When you ride your snowmobile, you must know and use
the following for your safety. Severe injury or death may
result if you ignore any of the following.
Before operating
1. Read the Owner’s Manual and all labels before oper-
ating this snowmobile. Become familiar with all of the
operating controls and their function. Consult a
Yamaha dealer about any control or function you do
not understand.
2. This snowmobile was not manufactured for use on
public streets, roads, or highways. Such use is prohibited by law, and you could collide with another
vehicle.
3. PZ50FX, PZ50GT and PZ50M are designed to carry
the OPERATOR ONLY.
Passengers are prohibited. Carrying a passenger
can cause loss of control.
4. Do not operate the snowmobile after drinking alcohol
or taking drugs. Your ability to operate the snowmobile is reduced by the influence of alcohol or drugs.
5. For safety and proper care of the snowmobile, always
perform the pre-operation checks on pages 6-1–6-11
before starting the engine. Check the throttle, brake,
and steering for proper operation every time before
starting the engine. Make sure that the throttle lever
moves freely and it returns to the home position when
it is released.
6. Apply the parking brake before starting the engine.
Never drive the snowmobile with the parking brake
applied. This may overheat the brake disc and reduce
braking ability.
3-1
7. Do not allow anyone to stand behind the snowmobile
when starting, inspecting, or adjusting the snowmobile. A broken track, track fittings, or debris thrown by
the track could be dangerous to the operator or
bystanders.
8. Handle fuel with care; it is HIGHLY FLAMMABLE.
Never add fuel when the engine is running or hot.
●
Allow the engine to cool for several minutes after
running.
Use an approved fuel container.
●
Fill the fuel tank outdoors with extreme care.
●
Never remove the fuel cap indoors. Never fill the
fuel tank indoors.
Never refuel while smoking or in the vicinity of an
●
open flame.
Make sure that the fuel tank cap is closed securely
●
after refueling. Wipe up any spilled fuel immediately.
9. If you swallow some gasoline, inhale a lot of gasoline
vapor, or get some gasoline into your eyes, see your
doctor immediately. If any gasoline spills on your skin
or clothing, immediately wash your skin with soap
and water, and change your clothes.
10. Wear protective clothing. Wear an approved helmet,
and a face shield or goggles. Also, wear a good quality snowmobile suit, boots, and a pair of gloves or mittens that will permit use of your thumbs and fingers
for operation of the controls.
Operation
1. Do not run the engine indoors, except when starting
the engine to transport the snowmobile in or out of
the building. Open the outside doors; exhaust fumes
are dangerous.
2. Be careful where you ride. There may be obstacles
hidden beneath the snow. Stay on established trails
to minimize your exposure to hazards. Ride slowly
and cautiously when you ride off of established trails.
Hitting a rock or stump, or running into wires could
cause an accident and injury.
3-2
3. This snowmobile is not designed for use on surfaces
other than snow or ice. Use on dirt, sand, grass,
rocks, or bare pavement may cause loss of control
and may damage the snowmobile.
4. Avoid operating on glare ice, or on snow which has a
lot of dirt or sand mixed in. Operation under such
conditions will damage or result in rapid wear of ski
runners, drive track, slide runners, and drive sprockets.
5. Always ride with other snowmobilers when going on a
ride. You may need help if you run out of fuel, have an
accident, or damage your snowmobile.
6. Many surfaces such as ice and hard-packed snow
require much longer stopping distances. Be alert,
plan ahead and begin decelerating early. The best
braking method on most surfaces is to release the
throttle and apply the brake gently—not suddenly.
Maintenance and storage
1. Do not leave the snowmobile on its left side for an
extended period of time. Fuel may leak out from the
fuel breather hose.
2. Modifications made to the snowmobile not approved
by Yamaha, or the removal of original equipment may
render your snowmobile unsafe for use that may
cause severe personal injury. Modifications may also
make the snowmobile illegal to use.
3. Never store the snowmobile with fuel in the fuel tank
inside a building where ignition sources are present
such as hot water and space heaters, an open flame,
sparks, clothes dryers, and the like. Allow the engine
to cool off before storing the snowmobile in an
enclosed space.
4. Always refer to the “STORAGE” section if the snow-
mobile is to be stored for an extended period.
5. Maintain or replace safety and instruction labels, as
necessary.
3-3
PZ50FX
PZ50GT
PZ50M
ESU00012
4-
DESCRIPTION
Windshield
1
Top cover
2
Steering handlebar
3
Seat
4
Passenger grip warmer switch (PZ50VT)
5
Frame
6
Backrest (PZ50VT)
7
Rear carrier (PZ50VT)
8
Storage compartment
9
(PZ50FX/PZ50GT/PZ50M)
Tool kit
0
Slide rail suspension
A
Drive track
B
Skis
C
PZ50VT
4-1
PZ50FX/PZ50GT/PZ50M
PZ50VT
Right side cover
D
Right upper cover
E
Side mirror (PZ50VT)
F
Headlights
G
Shroud (PZ50VT)
H
Left upper cover
I
Left side cover
J
Air filter case cover
K
Front cover
L
(PZ50FX/PZ50GT/PZ50M)
Strap (PZ50M)
M
Tail/brake light
N
Snow flap
O
4-2
PZ50FX/PZ50GT/PZ50M
PZ50VT
Brake lever
P
Parking brake lever
Q
Grip/Thumb warmer
R
adjustment switch
Headlight beam switch
S
Speedometer unit
T
Engine stop switch
U
Throttle lever
V
Shroud latch (PZ50VT)
W
Main switch
X
Auxiliary DC jack (PZ50VT)
Y
“RESET” button
Z
“SELECT” button
[
Fuel level warning indicator
\
Oil level warning indicator
]
Coolant temperature warning
_
indicator
Self-diagnosis warning indicator
a
Speedometer
b
Odometer/tripmeter/
c
engine speed meter
Fuel meter and grip/thumb warmer level
d
indicator
Fuel meter indicator
e
Drive “D” indicator light
f
Reverse “R” indicator light
g
Drive select switch
h
Knock control system “KCS” indicator
i
light
High beam indicator light
j
Low coolant temperature indicator light
k
Warning light
l
Grip warmer indicator
m
Thumb warmer indicator
n
4-3
ESU00013
5-
CONTROL FUNCTIONS
ESU05210
Main switch
The main switch controls the following items.
“OFF”
1
The ignition circuit is switched off.
The key can be removed only in this position.
“ON”
2
The ignition circuit is switched on.
“START”
3
The starting circuit is switched on.
The starter motor starts.
CAUTION
@
:
Release the switch immediately after the engine
starts.
@
NOTE:
@
The headlights and taillight come on after the engine
starts.
@
ESU00022
Throttle lever
Once the engine is running cleanly, squeezing a the throttle lever 1 will increase the engine speed and cause
engagement of the drive system. Regulate the speed of
the snowmobile by varying the throttle position. Because
the throttle is spring-loaded, the snowmobile will decelerate, and the engine will return to idle when it is released b.
WARNING
@
Check the throttle, brake, and steering for proper
operation before starting the engine.
@
5-1
ESU00361
Engine overheating prevention system
This model is equipped with an engine overheating prevention system to prevent overheating when the engine
is idling.
When the engine has been idling for at least 3 minutes
and the coolant temperature has risen above 100 °C
(212 °F), the engine automatically shuts off to prevent
overheating.
NOTE:
The engine can be started after it shuts off.
ESU04701
Throttle override system (T.O.R.S.)
If the throttle bodies or throttle cable malfunctions during
operation, the T.O.R.S. will operate when the throttle
lever is released.
The T.O.R.S. is designed to interrupt the fuel injection
and keep the engine speed between 2,800 and
3,000 r/min if the throttle valves fail to return to the idle
position when the throttle lever is released.
WARNING
@
●
If the T.O.R.S. is activated, make sure that the
cause of the malfunction has been corrected and
that the engine can be operated without a problem before restarting the engine.
●
Be sure to use the specified spark plug and spark
plug cap. Otherwise, the T.O.R.S. will not work
properly.
@
5-2
A
CA-19E
Item
Mode
A
Idling/
starting
B C
Running Trouble
Throttle switch Off On Off
Throttle position
sensor
Engine Run Run
B
Idling/starting
È
Running
É
Tr o u b l e
Ê
Throttle position sensor (throttle valve position)
1
Throttle switch
2
Throttle cable
3
On
C
a
Off
b
Open
c
Closed
d
NOTE:
@
When the T.O.R.S. is activated, the warning light
●
Closed Open Open
T.O.R.S.
will operate
4
and self-diagnosis warning indicator 5 will flash and
the two-digit code “84” 6 will flash in the clock display.
The T.O.R.S. monitors the condition of the throttle
●
position sensor, speedometer assembly, and speed
sensor, and will operate if any of the monitored items
is disconnected or malfunctioning.
@
5-3
ESU05470
Speedometer unit
The speedometer unit is equipped with the following:
a digital speedometer (which shows the riding speed)
●
an odometer (which shows the total distance trav-
●
eled)
a tripmeter (which shows the distance traveled since
●
it was last set to zero)
an engine speed meter (which shows the engine
●
speed; not for use while riding)
warning indicators (which show self-diagnosis, cool-
●
ant temperature, fuel level, and oil level warnings)
indicator lights (which show high beam, low coolant
●
temperature, transmission position, and knock control
system conditions)
a warning light (which shows warnings together with
●
the warning indicators)
a fuel meter (which shows the fuel remaining in the
●
fuel tank)
a grip/thumb warmer level indicator (which shows the
●
grip warmer or the thumb warmer level)
After the main switch is turned on, the warning light 1,
the low coolant temperature indicator light 2, the knock
control system “KCS” indicator light 3, the drive “D” indicator light 4, the reverse “R” indicator light 5, and all
segments of the meter display 6 turn on and off once.
The grip warmer level is initially displayed for 5 seconds,
then the display switches to the fuel meter.
Odometer, tripmeter, and engine speed meter modes
Pushing the “SELECT” button 1 switches the display
between the odometer mode “ODO”, tripmeter mode
“TRIP”, and engine speed meter mode “r/min”.
To reset the tripmeter, push the “RESET” button 2 for at
least 1 second while the tripmeter is displayed.
5-4
NOTE:
@
To switch the speedometer, odometer, and tripmeter
●
displays between kilometers and miles, select the
odometer mode “ODO”, and then push the “SELECT”
button for at least 10 seconds while the snowmobile
is stopped.
Use the engine speed meter only when checking the
●
snowmobile and performing basic maintenance. The
engine speed meter should not be used while riding
the snowmobile since the reading will vary from the
actual engine speed.
@
ESU00363
High beam indicator light
The high beam indicator light 1 comes on when the high
beams of the headlights are switched on. (See page 5-11
for headlight beam switch operation.)
ESU05390
Fuel meter and grip/thumb warmer level indicator
The fuel meter and grip/thumb warmer level indicator
have eight segments which show the amount of fuel
remaining in the fuel tank, or show the grip warmer, or
the thumb warmer level.
1
Fuel meter
As the fuel level decreases in the fuel tank, the segments
disappear until the level goes down to the last segment
“E” (Empty). When this occurs, the fuel level warning
indicator 2 and the warning light 3 come on.
If the fuel level warning indicator and the warning light
come on, fill the fuel tank at the first opportunity.
NOTE:
@
The snowmobile must be stopped on a level surface to
obtain an accurate fuel meter reading, since the reading
changes according to the movement and inclination of
the snowmobile.
@
5-5
Grip/thumb warmer level indicator
The grip warmer indicator 1 comes on and the display
switches to the grip warmer level when the grip warmer
side of the grip/thumb warmer adjustment switch 2 is
pressed.
The thumb warmer indicator 3 comes on and the display switches to the thumb warmer level when the thumb
warmer side of the grip/thumb warmer adjustment switch
is pressed.
NOTE:
@
The grip/thumb warmer level is displayed for 5 seconds
●
after releasing the grip/thumb warmer adjustment
switch, then the display switches to the fuel meter.
When the engine is started, the grip/thumb warmer
●
levels are set to the levels saved when the engine
was stopped.
@
ESU04260
Fuel level warning indicator
The fuel level warning indicator indicates a malfunctioning sensor, disconnected coupler, broken lead, or short
circuit when detected by the self-diagnosis device of the
snowmobile.
The fuel level warning indicator 1, warning light 2, and
all segments of the fuel meter 3 warn the rider of the
above problems by flashing continuously.
When this occurs, have a Yamaha dealer inspect the
snowmobile as soon as possible.
ESU03770
Oil level warning indicator
The oil level warning indicator 1 and the warning light
come on when the engine oil level is low.
If the oil level warning indicator and the warning light
come on, place the snowmobile on a level surface and
allow it to idle for one minute.
If the oil level warning indicator and the warning light go
off, the engine oil level is sufficient, however it is getting
low. Add engine oil as soon as possible.
If the oil level warning indicator and the warning light do
not go off, check the engine oil level in the oil tank (see
pages 6-3–6-4), and add engine oil if necessary.
5-6
2
ESU04840
Low coolant temperature indicator light
The low coolant temperature indicator light 1 comes on
when the coolant temperature is low and informs the
rider that the snowmobile must be warmed up. After the
engine is started, warm it up until the indicator light goes
off.
The snowmobile can be operated normally after the indicator light goes off.
NOTE:
@
While the low coolant temperature indicator light is on,
the engine control system prevents the engine speed
from rising even if the throttle lever is pressed.
@
ESU05480
Drive “D” and reverse “R” indicator lights
These indicator lights show whether the snowmobile is
shifted into drive or reverse.
The drive “D” indicator light 1 comes on when the transmission is in drive (forward).
The reverse “R” indicator light 2 comes on when the
transmission is in reverse.
The snowmobile can be shifted into drive or reverse by
pushing the drive select switch. (See page 5-9 for drive
select switch operation.)
ESU05410
Knock control system “KCS” indicator light
This snowmobile is equipped with a system which
detects engine knocking in order to protect the engine
from damage.
The knock control system “KCS” indicator light 1 comes
on if knocking is detected, then flashes if the knocking
increases.
After the knocking has stopped, the knock control system
“KCS” indicator light goes off.
5-7
CAUTION
@
If the knock control system “KCS” indicator light
●
:
comes on, the fuel tank may not have been filled
with the recommended fuel. Reduce the engine
speed to 6,000 r/min or less. As soon as possible,
stop the engine, let it cool sufficiently, and then
drain the fuel and refuel with the recommended
fuel.
If the knock control system “KCS” indicator light
●
is flashing, have a Yamaha dealer inspect the
snowmobile as soon as possible.
@
NOTE:
@
To help prevent knocking, use premium unleaded gasoline only. (See pages 6-1–6-2 for more details.)
@
ESU04180
Coolant temperature warning indicator
If the engine overheats, the coolant temperature warning
indicator 1 and the warning light 2 come on. When this
occurs, stop the engine immediately and allow the
engine to cool down, and then check the coolant level in
the coolant reservoir. (See pages 6-4–6-5.)
CAUTION
@
:
Do not operate the engine if it overheats.
@
ESU04254
Self-diagnostic system
This model is equipped with a self-diagnostic system for
various electrical circuits.
If any of those circuits are defective, the warning light
and the self-diagnosis warning indicator 2 will flash, and
then an error code (e.g., 16 and 81) 3 will flash slowly in
the tripmeter/odometer display.
5-8
1
WARNING
@
If the self-diagnosis warning indicator and warn-
●
ing light flash continuously, and an error code is
displayed during operation, there may be some
problem with the electrical circuit, lead couplers,
etc.
Stop the engine and allow it to cool off. Then,
●
check that the wire harness couplers in the
engine compartment are connected properly.
If the self-diagnosis warning indicator, warning
●
light, and an error code flash after the engine has
been restarted, note the error code, and then
have a Yamaha dealer inspect the snowmobile as
soon as possible.
@
ESU00031
Engine stop switch
The engine stop switch 1 is used to stop the engine in
an emergency. Simply push 2 the stop switch to stop the
engine. To start the engine, pull 3 the stop switch and
proceed with starting the engine. (See page 7-1 for more
details.)
During the first few rides, practice using the stop switch
so that you can react quickly in an emergency.
ESU05440
Drive select switch
The drive select switch 1 is used to shift the snowmobile
into drive or reverse. After coming to a complete stop,
press the drive select switch.
The drive “D” indicator light 2 comes on when the transmission is in drive (forward).
The reverse “R” indicator light 3 comes on when the
transmission is in reverse.
CAUTION
@
Do not shift from drive to reverse or from reverse to
drive while the snowmobile is moving. Otherwise,
the drive system could be damaged.
@
:
5-9
ESU00320
Brake lever
The snowmobile is stopped by braking the entire drive
system.
Squeeze the brake lever towards the handlebar grip to
stop the snowmobile.
Brake lever
1
Brake lever end
2
Handlebar end
3
NOTE:
@
When the brake lever is operated, the brake light will illuminate.
@
CAUTION
@
:
Make sure that the brake lever end does not project
out over the handlebar end. This will help prevent
brake lever damage when the snowmobile is placed
on its side for service.
@
A
ESU00035
Parking brake lever
When parking the snowmobile or starting the engine,
apply the parking brake by moving the brake lever 1 to
the left.
To release the parking brake, move the parking brake
lever 1 to the right.
To apply the parking brake
B
È
To release the parking brake
É
WARNING
@
●
Always set the parking brake before attempting to
start the engine.
●
Never run the snowmobile with the parking brake
applied. This may overheat the brake disc and
reduce braking ability.
@
5-10
ESU00039
Headlight beam switch
Push the headlight beam switch to change the headlight
beam to high or low.
Headlight beam switch
1
Push
2
High beam
3
Low beam
4
ESU05200
Grip/thumb warmer adjustment switch
The grip/thumb warmer adjustment switch 1 controls
the electrically heated handlebar grips and throttle lever.
To raise the temperature
To raise the grip warmer temperature, press the “”
side of the switch. To raise the thumb warmer temperature, press the “” side of the switch.
To lower the temperature
Continue to press the switch until the temperature level
returns to the minimum level, and then raise the temperature to the desired level.
ESU04290
Passenger grip warmer switch
For PZ50VT
The passenger grip warmer switch controls the electrically heated passenger grips.
Passenger grip warmer switch
1
Off
2
“HI” High
3
“LO” Low
4
5-11
ESU04301
Auxiliary DC jack
For PZ50VT
The auxiliary DC jack is located in the front panel and
can be used for accessories.
NOTE:
@
The auxiliary DC jack cannot be used if the engine is not
running.
@
1. Start the engine.
2. Open the auxiliary DC jack cap 1, and then insert
the accessory power plug into the jack 2.
NOTE:
@
After using the auxiliary DC jack, be sure to remove the
accessory power plug from the jack and close the auxiliary DC jack cap.
@
CAUTION
@
●
Do not use accessories requiring more than the
:
maximum rated capacity for the auxiliary DC jack.
This may overload the circuit and cause the fuse
to blow. (See page 8-33 for the specified amperage.)
●
Do not use an automotive cigarette lighter or
other accessory with a plug that gets hot
because the jack can be damaged.
@
Maximum rated capacity: DC 12 V, 2.5 A (30 W)
ESU00482
Shroud latches
For PZ50VT
To open the shroud, unhook the shroud latches, and then
slowly raise the shroud forward until it stops. When closing the shroud, slowly lower it to its home position, and
then hook the shroud latches.
Shroud latch
1
Shroud
2
5-12
CAUTION
@
:
Make sure that all cables and wires are in place when
closing the shroud.
@
WARNING
@
Do not drive the snowmobile with the shroud
●
open, unlatched, or removed.
Keep your body and clothing away from rotating
●
parts when servicing with the shroud open.
Do not touch the hot muffler and engine during or
●
immediately after operation.
@
ESU05460
Shroud and covers
Securely fasten the shroud and covers before operating
the snowmobile. (See pages 8-6–8-9 for removal and
installation procedures.)
For PZ50FX/PZ50GT/PZ50M
Air filter case cover
1
Fro nt c over
2
Right side cover
3
Right upper cover
4
To p co ve r
5
Right lower cover
6
Left side cover
7
5-13
For PZ50VT
Shroud
8
Left upper cover
9
Left side cover
0
Right upper cover
A
Right side cover
B
Right lower cover
C
Air filter case cover
D
WARNING
@
Do not drive the snowmobile with the shroud or
●
covers unfastened or removed.
Keep your body and clothing away from rotating
●
parts when servicing snowmobiles with the
shroud open or the covers removed.
Do not touch the hot muffler and engine during or
●
immediately after operation.
@
CAUTION
@
:
Make sure that all cables, leads, etc., are in place
when closing the shroud and installing the covers.
@
ESU00521
Drive guard
The drive guard is designed to cover the V-belt clutch
and V-belt in case parts break or come loose.
WARNING
@
Make sure that the drive guard is tightened
●
securely before operating the snowmobile.
Never run the engine with the V-belt or drive
●
guard removed.
@
ESU05430
V-belt holder
For PZ50VT
Keep a spare V-belt for emergency use by placing it into
the V-belt holder provided.
CAUTION
@
Make sure that the V-belt is installed securely in the
holder.
@
:
5-14
ESU05450
Backrest
For PZ50VT
The backrest is adjustable.
1. Open the backrest zipper and loosen the backrest
bolts 1.
2. Adjust the backrest angle to the desired position.
3. Tighten the bolts and close the zipper.
Backrest bolt tightening torque:
19 Nm (1.9 m·kgf, 14 ft·lb)
WARNING
@
Do not sit on the backrest.
@
ESU02422
Storage compartment
For PZ50FX/PZ50GT/PZ50M
Open the storage compartment to store the tool kit,
spare parts, or other small items.
ESU05020
Rear carrier
For PZ50VT
The rear carrier is located at the rear of the snowmobile.
Rear carrier
1
Maximum load limit: 20 kg (44 lb)
WARNING
@
Do not use the rear carrier to lift the snowmobile.
The snowmobile could fall, which could result in
severe injury or death.
@
5-15
ESU00072
6-
PRE-OPERATION CHECKS
NOTE:
@
Pre-operation checks should be made each time the
snowmobile is used.
@
WARNING
@
The engine and muffler will be very hot after the
engine has been run.
Avoid touching the engine and muffler while they are
still hot with any part of your body or clothing during
inspection or repair.
@
ESU00771
Fuel
Make sure that there is sufficient fuel in the fuel tank.
Recommended fuel:
Premium unleaded gasoline
Pump octane (R+M)/2 91 or higher
Fuel tank capacity:
30.1 L (6.6 Imp gal, 8.0 US gal)
NOTE:
@
Your Yamaha engine has been designed to use pre-
●
mium unleaded gasoline with a pump octane number
[(R+M)/2] of 91 or higher, or a research octane number of 95 or higher.
If the recommended fuel is not used, the engine may
●
not perform as it should.
@
WARNING
@
●
Fuel is HIGHLY FLAMMABLE and poisonous.
Check the “SAFETY INFORMATION” section
carefully before refueling. (See page 3-2.)
●
Do not fill the fuel tank above the bottom of the
filler tube 1. Fuel could overflow if the snowmobile is tilted or if the ambient temperature rises,
causing the fuel to warm up and expand.
●
Make sure that the fuel tank cap is closed securely
after refueling. Leaking fuel can catch fire.
@
Fuel level
2
6-1
CAUTION
@
Oxygenated fuels (gasohol) containing a maxi-
●
:
mum 5% of ethanol can be used, although richer
jetting may be required to prevent engine damage. Consult a Yamaha dealer. Gasohol containing methanol is not recommended.
Make sure that snow or ice does not enter the fuel
●
tank when refueling.
Do not use alcohol deicers or water absorbing
●
additives with oxygenated fuel.
The fuel tank should be filled with straight gaso-
●
line as specified.
@
ESU04031
Engine oil
Use a combination of the recommended SAE and API oil
classifications shown in the chart below.
CB-02E
-40˚
-20˚ 0˚
-40˚
-29˚ -18˚
CAUTION
@
Use only 4-stroke engine oil.
@
6-2
SAE API
60˚ F
40˚
20˚
SAE 0W-30
16˚ C
4˚
-7˚
:
SE, SF, SG
or
higher
ESU05600
Engine oil level
The engine oil level should be checked before each use.
CAUTION
@
:
Do not run the engine with too much or not enough
oil in the oil tank. Oil could flow into the air filter case
and the engine could be damaged.
@
Checking the engine oil level
1. Place the snowmobile on a level surface and apply
the parking brake.
2. Start the engine, warm it up for 10–15 minutes, and
then turn it off.
NOTE:
@
The engine can also be warmed up by operating the
●
snowmobile for 10–15 minutes.
After operating the snowmobile, allow the engine to
●
idle for at least 10 seconds before turning it off.
@
3. Remove the right side cover (for PZ50FX/PZ50GT/
PZ50M), or open the shroud and remove the right
upper cover and the right side cover (for PZ50VT).
(See pages 8-6–8-9 for removal procedures.)
4. Disconnect the oil level gauge coupler 1.
CAUTION
@
:
Disconnect the oil level gauge coupler before removing the oil level gauge/dipstick. Otherwise, the cable
can twist and break.
@
5. Remove the oil level gauge/dipstick 2, wipe it clean,
insert it back into the oil filler hole (without screwing it
in), and then remove it again to check the oil level.
NOTE:
@
The engine oil should be between the “H” 3 and “L”
4
level marks on the oil level gauge/dipstick.
@
6. If the engine oil is below the “L” level mark, add sufficient oil of the recommended type to raise it to the “H”
level mark. (See page 6-2 for the recommended oil.)
6-3
CAUTION
@
When adding the engine oil, be careful not to fill
●
:
above the “H” level mark on the oil level gauge/
dipstick.
Make sure that no foreign material enters the
●
engine oil tank.
@
7. Insert the oil level gauge/dipstick into the oil filler
hole, and then tighten it securely.
8. Connect the oil level gauge coupler.
9. Install the right side cover (for PZ50FX/PZ50GT/
PZ50M), or install the right side cover and the right
upper cover, and then close the shroud (for PZ50VT).
ESU05490
Coolant
Checking the coolant level
1. Remove the top cover (for PZ50FX/PZ50GT/PZ50M)
or open the shroud (for PZ50VT), and then remove
the right upper cover. (See pages 8-6–8-9 for removal
procedures.)
2. Check the coolant level in the coolant reservoir when
the engine is cold. If the coolant level is below the
“COLD LEVEL” mark, add soft water until it reaches
the “COLD LEVEL” mark. (See pages 8-15–8-17 for
more details.)
“COLD LEVEL” mark
1
WARNING
@
Do not remove the coolant reservoir cap when the
engine is hot.
@
Coolant reservoir cap
2
CAUTION
@
Hard water or salt water is harmful to the engine
●
:
parts. You may use boiled or distilled water, if soft
water is not available.
Tap water can be used temporarily in an emer-
●
gency.
@
6-4
3. Install the right upper cover, and then install the top
cover (for PZ50FX/PZ50GT/PZ50M) or close the
shroud (for PZ50VT).
ESU00087
Throttle lever
Check the throttle lever operation before starting the
engine.
The throttle lever must open smoothly and spring back to
its home position when released.
ESU00090
Throttle override system (T.O.R.S.)
Check the T.O.R.S. for proper operation.
WARNING
@
When checking T.O.R.S.:
●
Make sure that the parking brake is applied.
●
Make sure that the throttle lever moves smoothly.
●
Do not run the engine up to clutch engagement
r/min. Otherwise, the snowmobile could start
moving forward unexpectedly, which could
cause an accident.
@
1. Start the engine.
NOTE:
@
Refer to the “Starting the engine” section.
@
2. Hold the pivot point of the throttle lever away from the
throttle switch by putting your thumb (above) and
forefinger (below) between the throttle lever pivot
and the engine stop switch housing 2.
While holding the pivot point as described above,
press the throttle lever 3 gradually.
The T.O.R.S. will operate and the engine should run
between 2,800 and 3,000 r/min.
1
WARNING
@
If the engine does not run between 2,800 and
3,000 r/min, stop the engine by turning the main
switch to the “OFF” position and consult a Yamaha
dealer.
@
6-5
ESU00091
Brake
1. Brake lever
Test the brake at a low speed when starting out to
make sure that it is working properly. If the brake
does not provide proper braking performance,
inspect the brake for wear or brake fluid leakage.
(See pages 8-19–8-21 for more details.)
WARNING
@
●
A soft, spongy feeling in the brake lever indicates
a failure in the brake system.
●
Do not operate the snowmobile if you find any
problems in the brake system. You could lose
braking ability, which could lead to an accident.
Ask a Yamaha dealer to inspect and repair the
brake system.
@
CAUTION
@
:
Make sure that the brake lever end does not project
out over the handlebar end. This is to prevent brake
lever damage when the snowmobile is placed on its
side.
@
2. Brake fluid
Check the brake fluid level. (See page 8-20.)
Add fluid if necessary.
Lower level
1
Specified brake fluid: DOT 4
6-6
ESU00093
Brake fluid leakage
Apply the brake for a few minutes. Check to see if any
brake fluid leaks out from the brake hose joints or the
master cylinder.
WARNING
@
If brake fluid leakage is found, ask a Yamaha dealer
for immediate repairs.
@
CAUTION
@
:
Brake fluid may deteriorate painted surfaces or plastic parts. Never spill any brake fluid. If any is spilled,
clean it up immediately.
@
ESU05500
V-bel t
Check the V-belt.
1. Remove the left side cover (for PZ50FX/PZ50GT/
PZ50M), or open the shroud and remove the left
upper cover and the left side cover (for PZ50VT).
(See pages 8-6–8-9 for removal procedure.)
2. Remove the drive guard.
3. Check the V-belt for wear and damage. Replace if
necessary.
Wear limit a: 32.5 mm (1.28 in)
4. Install the drive guard.
5. Install the left side cover (for PZ50FX/PZ50GT/
PZ50M), or install the left side cover and the left
upper cover, and then close the shroud (for PZ50VT).
WARNING
@
●
Make sure that the drive guard is installed
securely before operating the snowmobile.
●
Never run the engine with the V-belt or drive
guard removed.
@
6-7
ESU00096
Drive guard
Check the drive guard mounts for damage. Make sure
that the drive guard is firmly in place.
ESU00097
Drive track
Check the drive track for deflection, wear, or damage.
Adjust or replace if necessary. (See pages 8-29–8-31 for
more details.)
WARNING
@
Do not operate the snowmobile if you find damage to
the drive track, or if it has been maladjusted. Drive
track damage or failure could result in loss of braking ability and snowmobile control, which could
cause an accident.
@
ESU02430
51-mm (2.0-in) high-profile pattern drive track
For PZ50M
This snowmobile is originally equipped with a 51-mm
(2.0-in) high-profile pattern drive track specifically for use
in deep snow riding conditions.
Therefore, avoid prolonged operation on hard surfaces
such as ice, hard-packed snow, dirt, etc., to extend the
life of the track and slide runners.
CAUTION
@
●
Only use in deep snow riding conditions.
●
Operation on areas with light snowfall, ice, hard-
:
packed snow, dirt, or grass will result in rapid
wear or damage to the track and slide runners
from lack of snow which serves as a lubricant.
@
6-8
ESU00982
Slide runners
Check the slide runners for wear and damage.
If the slide runners reach the wear limit, they should be
replaced.
Slide runners
1
Wear limit
a
Wear limit height:
10.5 mm (0.41 in)
CAUTION
@
:
Ride on fresh snow frequently. Operating on ice or
hard packed snow will rapidly wear the slide runners.
@
ESU03201
Skis and ski runners
Check the skis and ski runners for wear and damage.
Replace if necessary.
For PZ50FX/PZ50GT/PZ50VT
Ski runner wear limit a:
6 mm (0.24 in)
Ski wear limit b:
13 mm (0.51 in)
For PZ50M
Ski runner wear limit a:
6 mm (0.24 in)
Ski wear limit b:
24 mm (0.94 in)
CAUTION
@
Avoid scratching the skis when loading and unloading the snowmobile, when riding in areas with little
or no snow, or on sharp edges such as concrete,
curbs, etc. This will wear or damage the skis.
@
:
6-9
ESU00103
Steering system
Check the handlebar for excessive free play:
1. Push the handlebar up and down and back and forth.
2. Turn the handlebar slightly to the right and left.
If excessive free play is noticed, consult a Yamaha
dealer.
ESU01050
Lights
Check the lights.
Replace any burned out bulbs.
CAUTION
@
:
Avoid using a scraper or hot water for cleaning the
plastics lens 1.
@
ESU05510
Air filter
Always check that there is no snow under the air filter
element.
1. Remove the front cover (for PZ50FX/PZ50GT/
PZ50M) or open the shroud (for PZ50VT), and then
remove the air filter case cover. (See pages 8-6–8-9
for removal procedures.)
2. Unhook the air filter element frame fasteners.
3. Lift up the air filter element frame and check the air
filter element. If there is any snow on the air filter element, remove the element and brush off the snow,
and then install the air filter element.
4. Place the air filter element frame in its original position, and then hook the fasteners onto the frame.
5. Install the air filter case cover, and then install the
front cover (for PZ50FX/PZ50GT/PZ50M) or close
the shroud (for PZ50VT).
NOTE:
@
After riding the snowmobile, make sure that there is no
snow under the air filter element.
@
ESU00110
Fittings and fasteners
Check the tightness of the fittings and fasteners.
Tighten in proper sequence and torque if necessary.
6-10
ESU00345
Tool kit and recommended equipment
It is good practice to carry the tool kit, spare parts, and
other necessary equipment with you while riding the
snowmobile so that minor repairs can be done if necessary. The following should be carried at all times:
Tool kit
●
Flashlight
●
Roll of plastic tape
●
Steel wire
●
Towrope
●
Jumper cables
●
V-belt
●
Light bulbs
●
Spark plugs
●
When you start out for a long distance trip, extra fuel and
oil should be carried as well.
6-11
ESU00112
7-
OPERATION
ESU04640
Starting the engine
WARNING
@
●
Be sure to check the “SAFETY INFORMATION”
section carefully before starting the engine.
●
Make sure that the parking brake is applied.
@
NOTE:
@
Make sure that the engine stop switch is in the on position. The starter motor cannot be operated when the
engine stop switch is in the off position.
@
1. Turn the main switch to the “START” position. Warm
up the engine until it does not run roughly.
“START”
1
CAUTION
@
●
Release the switch immediately after the engine
:
starts.
●
If the engine fails to start, release the switch, wait
a few seconds, then try again. Each attempt
should be as short as possible to preserve the
battery. Do not crank the engine more than 10
seconds on any one attempt.
@
7-1
ESU05270
Break-in
There is never a more important period in the life of your
engine than the period between 0 and 500 km (300 mi).
For this reason, you should read the following material
carefully.
Since the engine is brand new, do not put an excessive
load on it for the first 500 km (300 mi). The various parts
in the engine wear and polish themselves to the correct
operating clearances. During this period, prolonged fullthrottle operation or any condition that might result in
engine overheating must be avoided.
Operating your snowmobile for the first time
Start the engine and let it idle for 15 minutes.
0–160 km (0–100 mi)
Avoid prolonged operation above 8,000 r/min.
160–500 km (100–300 mi)
Avoid prolonged operation above 10,000 r/min.
500 km (300 mi) and beyond
The snowmobile can now be operated normally.
CAUTION
@
●
After 800 km (500 mi) of operation, the engine oil
:
must be changed and the oil filter cartridge
replaced.
●
If any engine trouble should occur during the
engine break-in period, immediately have a
Yamaha dealer check the snowmobile.
@
7-2
ESU01272
Riding your snowmobile
totally familiar with the snowmobile’s han-
dling and performance characteristics.
Getting to know your snowmobile
A snowmobile is a rider active vehicle, and
your riding position and your balance are
the two basic factors of maneuvering your
snowmobile.
Riding your snowmobile requires skills
acquired through practice over a period of
time. Take the time to learn the basic techniques well before attempting more difficult
maneuvers.
Riding your new snowmobile can be a very
enjoyable activity, providing you with hours
of pleasure. However, it is essential to
familiarize yourself with the operation of
the snowmobile to achieve the skill necessary to enjoy riding safely. Before operating
the snowmobile, read this Owner’s Manual
completely and understand the operation
of the controls.
Pay particular attention to the safety information on pages 3-1–3-3. Please read all
warning and caution labels on your snowmobile. Also, read the Snowmobiler’s
Safety Handbook that is supplied with your
snowmobile.
Set the parking brake and follow the
instructions on page 7-1 to start the
engine. Once the engine has warmed up,
you are ready to begin riding your snowmobile.
To start out and accelerate
1. With the engine idling, release the
parking brake.
2. Apply the throttle slowly and smoothly.
The V-belt clutch will engage and you
will start to accelerate.
WARNING
@
The operator should always keep both
hands on the handlebar. Never put your
feet outside the running boards. Avoid
high speeds until you have become
thoroughly familiar with your snowmobile and all of its controls.
@
Braking
When slowing down or stopping, release
the throttle and apply the brake gently—not
suddenly.
Learning to ride your snowmobile
Before you ride, always perform the preoperation checks listed on pages 8-1–8-4.
The short time spent checking the condition of the snowmobile will be rewarded
with added safety and a more reliable
snowmobile. Always wear the proper clothing for both warmth and to help protect you
from injury if an accident occurs.
Become familiar with operating your snowmobile at low speeds, even if you are an
experienced rider. Do not attempt to operate at maximum performance until you are
WARNING
@
●
Many surfaces such as ice and hardpacked snow require much longer
stopping distances. Be alert, plan
ahead, and begin decelerating early.
●
Improper use of the brake can cause
the drive track to lose traction,
reduce control, and increase the
possibility of an accident.
@
7-3
Tu rn in g
Riding uphill
For most snow surfaces, “body English” is
the key to turning.
As you approach a curve, slow down and
begin to turn the handlebar in the desired
direction. As you do so, put your weight on
the running board to the inside of the turn
and lean your upper body into the turn.
This procedure should be practiced at low
speeds many times, in a large flat area
with no obstacles. Once you have learned
this technique, you should be able to perform it at higher speeds or in tighter
curves. Lean more as the turn gets
sharper or is made at higher speeds.
Improper riding techniques such as abrupt
throttle changes, excessive braking, incorrect body movements, or too much speed
for the sharpness of the turn may cause
the snowmobile to tip.
If your snowmobile begins to tip while turning, lean more into the turn to regain balance. If necessary, gradually let off on the
throttle or steer to the outside of the turn.
Remember:
Avoid higher speeds until you are thoroughly familiar with the operation of your
snowmobile.
You should practice first on gentle slopes.
Try more difficult climbs only after you have
developed your skill. As you approach a
hill, accelerate before you start the climb,
and then reduce the throttle to prevent
track slippage. It is also important to keep
your weight on the uphill side at all times.
On climbs straight up the hill, this can be
accomplished by leaning forward and, on
steeper inclines, standing on the running
boards and leaning forward over the handlebar. (Also see “Traversing a slope.”)
Slow down as you reach the crest of the
hill, and be prepared to react to obstacles,
sharp drops, or other vehicles or people
which may be on the other side. If you are
unable to continue up a hill, do not spin the
track. Stop the engine and set the parking
brake. Then pull the rear of the snowmobile around to point the snowmobile back
down the hill. When the snowmobile is
pointed downhill, mount your snowmobile
from the uphill side. Restart the engine,
release the parking brake, and descend
the hill.
WARNING
@
Side hills and steep slopes are not recommended for a novice snowmobiler.
@
7-4
Riding downhill
When riding downhill, keep speed to a minimum. It is important to apply just enough
throttle to keep the clutch engaged while
descending the hill. This will allow you to
use engine compression to help slow the
snowmobile, and to keep the snowmobile
from rolling freely down the hill. Also apply
the brake frequently, with light pressure.
WARNING
@
Use extra caution when applying the
brake during a descent. Excessive
braking will cause the drive track to
lock, causing a loss of control.
@
Traversing a slope
downhill leg on the seat and the foot of
your uphill leg on the running board. This
position will make it easier for you to shift
your body weight as needed.
Snow and ice are slippery, so be prepared
for the possibility that your snowmobile
could begin to slip sideways on the slope. If
this happens, steer in the direction of the
slide if there are no obstacles in your path.
As you regain proper balance, gradually
steer again in the direction you wish to
travel.
If your snowmobile starts to tip, steer down
the hill to regain balance.
WARNING
@
If you are unable to maintain correct
balance, and your snowmobile is going
to tip over, dismount your snowmobile
immediately on the uphill side.
@
Ice or icy surface
Operating on ice or icy surfaces can be
very dangerous. Traction for turning, stopping, and starting is much less than that on
snow.
WARNING
@
Traversing slopes is not recommended
for a novice snowmobiler.
@
Traversing a slope requires you to properly
position your weight to maintain proper balance. As you travel across the slope, lean
your body to position your weight towards
the uphill side. A recommended riding
position is to kneel with the knee of your
WARNING
@
When you have to operate on ice or icy
surfaces, drive slowly and cautiously.
Avoid accelerating, turning, and braking
rapidly. Steering is minimal and uncontrolled spins are an ever-present danger.
@
7-5
Hard-packed snow
It can be more difficult to negotiate on
hard-packed snow as both the skis and
drive track do not have as much traction as
when the snowmobile is operated on fresh
snow. Avoid rapid acceleration, turning,
and braking.
Operation on surfaces other than snow or ice
Operation of your snowmobile on surfaces
other than snow or ice should be avoided.
Operation under such conditions will damage or result in rapid wear of the ski runners, drive track, slide runners, and drive
sprockets. Operation of the snowmobile on
the following surfaces should be avoided at
all times:
1. Dirt
2. Sand
3. Rocks
4. Grass
5. Bare pavement
Other surfaces that should be avoided for
the sake of drive track and slide runner life
are:
1. Glare ice surfaces
2. Snow mixed with a lot of dirt and sand
All of the above surfaces have one thing in
common in regard to drive track and slide
runners; little or no lubricating ability. Drive
track and all slide rail systems require
lubrication (snow or water) between the
slide runners and the slide metal. In the
absence of lubrication, the slide runners
will rapidly wear and in severe cases, literally melt away, and the drive track will be
subject to damage or failure.
Also traction aids such as studs, cleats,
etc., may cause further track damage or
failure.
WARNING
@
Drive track damage or failure could
result in loss of braking ability and
snowmobile control, which could cause
an accident.
●
Always check the drive track for
damage or maladjustment before
operating the snowmobile.
●
Do not operate the snowmobile if
you find damage to the drive track.
@
CAUTION
@
:
Ride on fresh snow frequently. Operating on ice or hard-packed snow will rapidly wear the slide runners.
@
7-6
ESU00251
Maximizing drive track life
Recommendations
Track tension
During initial break-in, the new drive track will tend to
stretch quickly as the track settles. Be sure to correct the
track tension and alignment frequently. (See pages
8-29–8-31 for adjustment procedures.) A loose track can
slip (ratchet), derail or catch on suspension parts causing severe damage. Do not overtighten the drive track,
otherwise it may increase the friction between the track
and the slide runners, resulting in the rapid wear of both
components. Also, this may put an excessive load on the
suspension components, resulting in component failure.
Marginal snow
The drive track and the slide runners are lubricated and
cooled by snow and water. To prevent the drive track and
slide runners from overheating, avoid sustained highspeed usage in areas such as icy trails, frozen lakes and
rivers that have minimal snow coverage. An overheated
track will be weakened internally, which may cause failure or damage.
Off-trail riding
Avoid off-trail riding until there is sufficient snow coverage. It generally takes several feet of snow to provide a
good overall base to properly cover debris, such as
rocks, logs, etc. If snow coverage is not sufficient, stay on
trails to avoid impact damage to the drive track.
Studded track
In general, track life will be shortened when studs are
installed. Drilling stud holes into the drive track will cut
the internal fibers, which weakens the track. Avoid spinning the drive track. Studs may catch on an object and
pull out of the track, leaving tears and damage around
the already weakened area. To minimize possible damage, consult your stud manufacturer for installation and
stud pattern recommendations.
Yamaha does not recommend track studding.
7-7
ESU02450
Strap
For PZ50M
The strap 1 should be used only by experienced operators to assist them when traverse (side-hill) riding.
WARNING
@
Improper use of the strap on the handlebar can
result in severe injury or death.
●
Use the strap only as an operator grip point when
needed to shift weight uphill to maintain balance
during traverse (side-hill) riding. Only experienced operators should traverse slopes steep
enough to require strap use.
●
Keep the right hand on the right handlebar grip
for steering, and grip the strap with the left hand
to shift weight uphill for balance during traverse
riding.
●
Ride cautiously while using the strap. Do not
accelerate or decelerate abruptly while holding
onto the strap.
●
Do not use the strap to lift the snowmobile.
●
Do not use the strap as a mounting point for
cargo or accessories.
@
ESU05520
Driving
WARNING
@
Be sure to read the “SAFETY INFORMATION” and
“Riding your snowmobile” sections carefully before
operating the snowmobile.
@
NOTE:
@
Make sure that the engine is warmed up enough before
riding.
@
7-8
1. While the engine is idling, select the desired operating position by pressing the drive select switch 1.
Make sure that the drive “D” indicator light 2 or the
reverse “R” indicator light 3 flashes, and then comes
on and remains on.
NOTE:
@
Once the indicator light for the selected position comes
on and remains on, the snowmobile can be driven. If the
indicator light keeps flashing, the snowmobile is not correctly shifted into drive or reverse. Apply a little throttle,
and then press the drive select switch again.
@
Drive select switch
1
Drive “D” indicator light
2
Reverse “R” indicator light
3
WARNING
@
●
Make sure that the throttle lever is fully released
and the snowmobile is at a full stop before shifting.
●
Be sure to press the drive select switch only
while the engine is idling.
●
Make sure that the area behind the snowmobile is
clear before reversing. Watch behind.
●
Reduce speed and avoid sharp turning when
operating the snowmobile in reverse.
@
CAUTION
@
:
Do not shift from drive to reverse or from reverse to
drive while the snowmobile is moving. Otherwise,
the drive system could be damaged.
@
NOTE:
@
The reverse buzzer beeps while the transmission is in
reverse.
@
2. Release the parking brake by moving the parking
brake lever to the right.
3. Press the throttle lever slowly to move the snowmobile.
4. Turn the handlebar in the desired direction.
7-9
5. Squeeze the brake lever to stop the snowmobile.
6. Apply the parking brake by moving the parking brake
lever to the left.
ESU00136
Stopping the engine
Turn the main switch to the “OFF” position to stop the
engine.
“OFF”
1
WARNING
@
●
Push down the engine stop switch to stop the
engine in an emergency.
●
Make sure that the key is removed from the main
switch whenever the operator leaves the snowmobile, to prevent accidental starting.
@
ESU04651
Transporting
When transporting your snowmobile on a trailer or in a
truck, observe the following recommendations to help
protect it from damage:
If transporting the snowmobile in an open trailer or
●
truck, put a tight fitting cover on the snowmobile. A
cover specifically designed for your snowmobile is
best. This will help keep foreign objects out of the
cooling vents, and also help protect the snowmobile
against damage from debris on the road.
If transporting the snowmobile in an open trailer or
●
truck in areas where road salt is used, coat metal
suspension surfaces lightly with oil or another protectant. This will help protect against corrosion. Be
sure to clean the snowmobile when you get to your
destination to remove any corrosive salts.
7-10
ESU04960
8-
PERIODIC MAINTENANCE
Safety is an obligation of the owner. Periodic inspection, adjustment, and lubrication will
keep your snowmobile in the safest and most efficient condition possible. The most important points of snowmobile inspection, adjustment, and lubrication are explained on the following pages.
Maintenance, replacement, or repair of devices and systems related to emissions
control may be performed by any repair establishment or individual that is certified
(if applicable).
WARNING
@
If you are not familiar with maintenance work, have a Yamaha dealer do it for you.
@
PROPER PERIODIC MAINTENANCE OF YOUR SNOWMOBILE IS IMPORTANT IN
ORDER TO ENJOY LONG, PLEASURABLE SERVICE. ESPECIALLY IMPORTANT ARE
THE MAINTENANCE SERVICES RELATED TO EMISSIONS CONTROL. THESE SERVICES NOT ONLY ENSURE CLEANER AIR, BUT ARE ALSO VITAL TO PROPER
ENGINE OPERATION AND MAXIMUM PERFORMANCE. IN THE FOLLOWING PERIODIC MAINTENANCE CHARTS, THE SERVICES RELATED TO EMISSIONS CONTROL
ARE GROUPED SEPARATELY. THESE SERVICES REQUIRE SPECIALIZED DATA,
KNOWLEDGE, AND EQUIPMENT. YAMAHA DEALERS ARE TRAINED AND EQUIPPED
TO PERFORM THESE PARTICULAR SERVICES.
ESU04970
Periodic maintenance chart for the emission control system
CD-31E
Pre-
Item Remarks
Check condition.
Spark plugs
Valve clearance
∗
Crankcase breather
∗
system
Fuel filter
∗
It is recommended that these items be serviced by a Yamaha dealer.
∗
Adjust gap and clean.
Replace if necessary.
Check clearance.
Adjust clearance when engine
is cold.
Check breather hose for
cracks or damage.
Replace if necessary.
Check condition.
Replace if necessary.
operation
check
(Daily)
Every 40,000 km (25,000 mi) 8-12
Initial
1 month
or
800 km
(500 mi)
(40 hr)
Every
Seasonally
or
4,000 km
(2,500 mi)
(200 hr)
●
●
●
Page
8-9–8-10
8-1
Pre-
Item Remarks
operation
check
(Daily)
Check fuel hose for cracks or
Fuel line
∗
damage.
Replace if necessary.
Idle speed
∗
Fuel injection Adjust synchronization.
∗
Check and adjust engine idle
speed.
Check for leakage.
Exhaust system
∗
Tighten or replace gasket if
necessary.
It is recommended that these items be serviced by a Yamaha dealer.
∗
ESU04980
General maintenance and lubrication chart
CD-32E
Pre-
Item Remarks
Engine oil
Engine oil filter
∗
cartridge
Check oil level.
Replace.
∗
Replace.
Fuel Check fuel level.
Check coolant level.
Engine coolant
Air bleed the cooling system
∗
if necessary.
Throttle lever
(handlebar side)
Throttle override
system (T.O.R.S.)
Engine stop switch
Check operation.
Repair if necessary.
∗
Check operation.
Repair if necessary.
∗
Check operation.
Repair if necessary.
∗
Check for cracks, bends or
Drive guard
V-belt
It is recommended that these items be serviced by a Yamaha dealer.
∗
damage.
Replace if necessary.
∗
Check for wear and damage.
Replace if necessary.
operation
check
(Daily)
●
●
●
●
●
●
●
●
Initial
1 month
or
800 km
(500 mi)
(40 hr)
Every
Seasonally
or
4,000 km
(2,500 mi)
(200 hr)
●
●●
●●
●
Initial
1 month
or
800 km
(500 mi)
(40 hr)
Every
Seasonally
or
4,000 km
(2,500 mi)
(200 hr)
●●
Every
20,000 km
●
(12,000 mi)
●
Page
8-11
Page
6-3–6-4
8-13–8-15
6-1–6-2
6-4–6-5
8-15
5-1, 6-5
5-2, 6-5
5-9
5-14, 6-8
6-7,
8-17–8-18
8-2
Pre-
Item Remarks
operation
check
(Daily)
Drive track and idler
wheels
Slide runners
Brake and parking
brake
Check deflection, and for wear
and damage.
Adjust/replace if necessary.
∗
Check for wear and damage.
Replace if necessary.
∗
Check operation and fluid
leakage.
Adjust free play and/or re-
∗
●
●
●
place pads if necessary.
Replace brake fluid. See NOTE on page 8-4. 8-21
∗
Disc brake
∗
installation
Drive chain oil
Drive chain
Skis and ski runners
Steering system
Strap (PZ50M)
Lights
Battery
∗
Check for slight free play.
Lubricate shaft with specified
grease as required.
Check oil level.
Replace.
∗
Check deflection.
Adjust if necessary.
∗
Check for wear and damage.
Replace if necessary.
∗
Check operation.
Adjust toe-out if necessary.
∗
Check for damage.
Replace if necessary.
∗
Check operation.
Replace bulbs if necessary.
Check condition.
Charge if necessary.
Initial at 500 km (300 mi) and every
800 km (500 mi) thereafter.
●
●
●
●
Check engagement and shift
speed.
Adjust if necessary.
Whenever operating elevation is changed.
Inspect sheaves for wear/
damage.
Primary and second-
∗
ary clutches
Inspect weights/rollers and
bushings for wear-for primary.
Inspect ramp shoes/bushings
for wear-for secondary.
Replace if necessary.
Lubricate with specified
grease.
It is recommended that these items be serviced by a Yamaha dealer.
∗
Initial
1 month
or
800 km
(500 mi)
(40 hr)
●
Every
Seasonally
or
4,000 km
(2,500 mi)
(200 hr)
●
●
Every
1,600 km
(1,000 mi)
●
●
●
●
●
●
●
Page
6-8,
8-29–8-31
6-9
5-10,
6-6–6-7,
8-19–8-21
8-19–8-21
8-18–8-19
8-19
6-9
6-10
6-10,
8-33–8-34
8-34
8-3
Every
Seasonally
or
4,000 km
(2,500 mi)
(200 hr)
●
●
●
●
●
Pre-
Item Remarks
operation
check
(Daily)
Steering column
∗
bearing
Ski and front
∗
suspension
Suspension
∗
component
Parking brake cable
∗
end and lever end/
throttle cable end
Shroud and covers
Fittings and fasteners
Tool kit and recommended equipment
It is recommended that these items be serviced by a Yamaha dealer.
∗
NOTE:
@
Lubricate with specified
grease.
Lubricate with specified
grease.
Lubricate with specified
grease.
Lubricate with specified
grease.
Check cable damage.
Replace if necessary.
Make sure that the shroud and
covers are securely fastened.
Check tightness.
Repair if necessary.
∗
Check for proper placement.
●
●
●
Initial
1 month
or
800 km
(500 mi)
(40 hr)
Brake system:
After disassembling the master cylinder or caliper cylinder, always change the brake
●
fluid. Regularly check the brake fluid level and add fluid if necessary.
Replace the oil seals of the master cylinder and caliper cylinder every two years.
●
Replace the brake hose every four years, or if cracked or damaged.
●
@
Page
8-32
8-32
5-13,
8-6–8-9
6-10
6-11
8-4
A
ESU03761
Tool kit
The owner’s tool kit has the tools which are sufficient for
most periodic maintenance and minor repairs. A torque
wrench is also necessary to properly tighten nuts and
bolts.
Tool kit
B
1
PZ50FX/PZ50GT/PZ50M
È
PZ50VT
É
CAUTION
@
:
Before starting the engine, make sure that the tool
kit is properly seated in its holder and is securely
fastened.
@
NOTE:
@
If you do not have a torque wrench available during a
service operation requiring one, take your snowmobile to
a Yamaha dealer to check the torque settings and adjust
them if necessary.
@
8-5
ESU05550
Removing and installing the shroud and covers
Shroud, front cover, and air filter case cover
To open the shroud and remove the front cover and
air filter case cover
1. Unhook the latch, and then slide the front cover
upward (for PZ50FX/PZ50GT/PZ50M).
Unhook the shroud latches, and then slowly raise the
shroud forward until it stops (for PZ50VT).
2. Loosen the quick fasteners, lift up the air filter case
cover slightly, and then unhook the cover from the air
filter case to remove it.
Latch
1
Fro nt c over
2
Air filter case cover
3
Quick fastener
4
Shroud latch
5
Shroud
6
To close the shroud and install the front cover and
air filter case cover
1. Insert the projections on the end of the air filter case
cover into the slots in the air filter case, place it in the
original position, and then tighten the quick fasteners.
2. Fit the holders on the front cover over the projections
on the air filter case cover, slide the front cover downward, and then hook the latch onto the holder on the
front of the snowmobile (for PZ50FX/PZ50GT/
PZ50M).
Slowly lower the shroud to the original position, and
then hook the shroud latches (for PZ50VT).
Projection on the end of the air filter case cover
1
Slot in the air filter case
2
Holder on the front cover
3
Projection on the air filter case cover
4
8-6
Left side cover
To remove the left side cover
Loosen the quick fasteners, and then remove the left side
cover.
Quick fastener
1
Left side cover
2
To install the left side cover
Place the left side cover in the original position, and then
tighten the quick fasteners.
Right side cover
To remove the right side cover
Loosen the quick fastener screws, and then remove the
right side cover.
Quick fastener screw
3
Right side cover
4
To install the right side cover
Place the right side cover in the original position, and
then tighten the quick fastener screws.
Top cover (for PZ50FX/PZ50GT/PZ50M)
To remove the top cover
Pull up on the rear of the top cover.
To p co ve r
1
To install the top cover
Insert the projections on the front of the top cover into the
slots in the left and right upper covers, and then fit the
projections on the rear of the top cover into the grommets.
8-7
Right upper cover (for PZ50FX/PZ50GT/PZ50M)
To remove the right upper cover
1. Remove the top cover. (See the above procedure.)
2. Remove the right upper cover by removing the bolts.
Right upper cover bolt
1
Right upper cover
2
To install the right upper cover
1. Place the right upper cover in the original position,
and then install and tighten the bolts to the specified
torque.
Right upper cover bolt tightening torque:
8 Nm (0.8 m·kgf, 6 ft·lb)
2. Install the top cover.
Left and right upper covers (for PZ50VT)
To remove an upper cover
1. Open the shroud. (See the above procedure.)
2. Loosen the quick fasteners, and then remove the
upper cover.
Quick fastener
1
Left upper cover
2
Right upper cover
3
To install an upper cover
Insert the projections on the upper cover into the slots
and fit the holders on the cover onto the grommets, and
then tighten the quick fasteners.
Projection
4
Holder
5
Grommet
6
Slot
7
WARNING
@
Do not drive the snowmobile with the shroud or
●
covers unfastened or removed.
Keep your body and clothing away from rotating
●
parts when servicing the snowmobile with the
shroud open or the covers removed.
Do not touch the hot muffler and engine during or
●
immediately after operation.
@
8-8
CAUTION
@
:
Make sure that all cables, leads, etc., are routed
properly before installing the covers.
@
NOTE:
@
When installing the covers, be sure to tighten the quick
fasteners and the quick fastener screws securely.
@
ESU03681
Checking the spark plugs
The spark plug is an important engine component and is
easy to inspect. The condition of the spark plug can indicate the condition of the engine. Check the coloration on
the white porcelain insulator around the center electrode.
The ideal coloration at this point is a medium to a light
tan color for a snowmobile that is being ridden normally.
If a spark plug shows a distinctly different color, there
could be something wrong with the engine. For example,
a very white center electrode porcelain color could indicate an intake track air leak or carburetion problem for
that cylinder. Do not attempt to diagnose such problems
yourself. Instead, take the snowmobile to a Yamaha
dealer for inspection and possible repairs. You should
periodically remove and inspect the spark plug because
heat and deposits will cause a spark plug to slowly break
down and erode. Consult a Yamaha dealer before changing to a different type of spark plug.
Specified spark plug:
R CR9EKB (NGK)
Spark plugs are produced in several different thread
lengths. The thread length or reach is the distance from
the spark plug gasket seat to the end of the threaded
portion. If the reach is too long, overheating and engine
damage may result. If the reach is too short, spark plug
fouling and poor performance may result. Also, if the
reach is too short, carbon will form on the exposed
threads resulting in combustion chamber hot spots and
thread damage. Always use a spark plug with the specified reach.
8-9
Spark plug reach a: 19.0 mm (0.75 in)
Before installing any spark plug, measure the electrode
gap with a wire thickness gauge and adjust to specification.
Spark plug gap b: 0.6–0.7 mm (0.024–0.028 in)
When installing the spark plug, always clean the gasket
surface. Wipe off any grime from the threads and tighten
the spark plug to the specified torque.
Spark plug tightening torque:
12.5 Nm (1.25 m·kgf, 9 ft·lb)
CAUTION
@
:
Make sure that the spark plug caps are securely
installed. Otherwise the spark plug caps could be
damaged due to engine vibration.
@
8-10
ESU05370
Adjusting the engine idling speed
CAUTION
@
:
Be sure to have a Yamaha dealer make this adjustment.
@
1. Start the engine and warm it up.
2. Select the engine speed meter mode. (See page 5-4
for details.)
3. Remove the rubber cap 1.
4. Insert a Phillips screwdriver into the hole, and then
turn the idle adjusting screw 2 in or out to adjust the
engine idling speed.
Standard engine idling speed: 1,800 ± 100 r/min
5. Install the rubber cap.
ESU05310
Adjusting the throttle cable
For PZ50FX/PZ50GT/PZ50M
1. Loosen the locknut.
2. Turn the adjuster in or out until the proper throttle
lever free play is achieved.
Throttle lever free play a:
2.0–3.0 mm (0.08–0.12 in)
Locknut
1
Adjuster
2
3. Tighten the locknut.
ESU05530
Checking the throttle cable
For PZ50VT
Check the throttle lever free play.
Throttle lever free play a:
2.0–3.0 mm (0.08–0.12 in)
Have a Yamaha dealer adjust the free play if necessary.
8-11
ESU04540
Adjusting the high-altitude settings
Operating at high altitude reduces the performance of a
gasoline engine about 3% for every 305 m (1,000 ft) of
elevation. This is because there is less air as altitude
increases. Less air means less oxygen available for combustion.
Your snowmobile utilizes an electronic fuel injection system that delivers the optimal air/fuel ratio required by the
engine. Therefore, the fuel injection system does not
need to be adjusted, even for operation at high altitude.
Remember:
Less air at higher altitude means there is less horsepower available, even with the optimal air/fuel ratio.
Expect acceleration and top speed to be reduced at
higher altitudes.
To overcome operating with less power at high altitudes,
your snowmobile may also require different settings for
the drive chain gears and V-belt clutch to avoid poor performance and rapid wear. If you plan to operate your
snowmobile at an altitude different from the area where
you bought it, be sure to consult a Yamaha dealer. The
dealer can tell you if there are any changes necessary
for the altitude where you plan to ride.
CAUTION
@
:
The drive chain gears and V-belt clutch should be
adjusted when operating above a high altitude of
900 m (3,000 ft). Consult a Yamaha dealer.
@
ESU00348
Adjusting the valve clearance
The valve clearance changes with use, resulting in
improper air-fuel mixture and/or engine noise. To prevent
this from occurring, the valve clearance must be adjusted
by a Yamaha dealer at the intervals specified in the periodic maintenance chart.
8-12
ESU05580
Changing the engine oil
It is recommended to have a Yamaha dealer change the
engine oil.
WARNING
@
Engine oil is extremely hot immediately after the
engine is turned off. Coming into contact with or getting any engine oil on your clothes could result in
burns.
@
CAUTION
@
●
Do not run the engine with too much or not
:
enough oil in the oil tank. Oil could spray out or
the engine could be damaged.
●
Be sure to change the engine oil after the first
800 km (500 mi) of operation, and every 4,000 km
(2,500 mi) thereafter or at the start of a new season, otherwise the engine will wear quickly.
●
The oil filter cartridge should be replaced every
20,000 km (12,000 mi) of operation. Have a
Yamaha dealer replace the oil filter cartridge.
@
To change the engine oil (without oil filter cartridge
replacement)
1. Place the snowmobile on a level surface and apply
the parking brake.
2. Start the engine, warm it up for several minutes, and
then turn it off.
3. Remove the right side cover (for PZ50FX/PZ50GT/
PZ50M), or open the shroud and remove the right
upper cover and the right side cover (for PZ50VT).
(See pages 8-6–8-9 for removal procedure.)
4. Remove the bottom panel 1 and the right lower
cover 2.
5. Place oil pans under both the engine and the oil tank
to collect the used oil.
6. Disconnect the oil level gauge coupler 3.
7. Remove the oil level gauge/dipstick 4, and then
remove the crankcase engine oil drain bolt 5 and the
oil tank engine oil drain bolt 6 to drain the oil from
the crankcase and the oil tank.
NOTE:
@
Dispose of used oil according to local regulations.
@
8-13
8. Install the engine oil drain bolts, and then tighten
them to the specified torques.
Tightening torques:
Crankcase engine oil drain bolt:
30 Nm (3.0 m·kgf, 22 ft·lb)
Oil tank engine oil drain bolt:
16 Nm (1.6 m·kgf, 11 ft·lb)
9. Add 1.5 L (1.3 Imp qt, 1.6 US qt) of the recommended engine oil to the oil tank, and then install and
tighten the oil level gauge/dipstick.
Recommended engine oil:
See page 6-2.
Oil quantity:
With oil filter cartridge replacement:
2.63 L (2.31 Imp qt, 2.78 US qt)
Without oil filter cartridge replacement:
2.45 L (2.16 Imp qt, 2.59 US qt)
Total amount:
3.00 L (2.64 Imp qt, 3.17 US qt)
10. Start the engine, warm it up for several minutes, and
then turn it off.
11. Add sufficient oil of the recommended type to raise it
to the “H” level mark on the oil level gauge/dipstick.
(See pages 6-3–6-4 for the checking procedure.)
CAUTION
@
When adding the engine oil, be careful not to fill
●
:
above the “H” level mark on the oil level gauge/
dipstick.
Make sure that no foreign material enters the
●
engine oil tank.
@
12. Start the engine, and then let it idle for several minutes while checking it for oil leakage. If oil is leaking,
immediately turn the engine off and make sure that
the engine oil drain bolts and oil level gauge/dipstick
are installed correctly.
13. Turn the engine off, and then connect the oil level
gauge coupler.
8-14
14. Install the bottom panel and the right lower cover.
15. Install the right side cover (for PZ50FX/PZ50GT/
PZ50M), or install the right side cover and the right
upper cover, and then close the shroud (for PZ50VT).
CAUTION
@
:
If oil is leaking or the oil level warning indicator
comes on when the engine is running, immediately
turn the engine off and have a Yamaha dealer check
the snowmobile. Continuing to operate the engine
under such conditions could cause severe engine
damage.
@
ESU05570
Cooling system
Bleeding the cooling system
WARNING
@
Do not remove the coolant reservoir cap when
●
the engine is hot. Scalding hot fluid and steam
may be blown out under pressure, which could
cause serious injury.
When the engine has cooled, place a thick rag or
towel over the coolant reservoir cap, and slowly
rotate the cap counterclockwise to the detent.
This procedure allows any residual pressure to
escape. When the hissing sound has stopped,
press down on the cap while turning counterclockwise and remove it.
The cooling system must be bled of air if the
●
coolant reservoir becomes empty, if air can be
seen in the cooling system, or if there is a cooling
system leak. Consult a Yamaha dealer.
@
Coolant reservoir
1
Coolant reservoir cap
2
CAUTION
@
:
Operating the engine with an improperly bled cooling system can cause overheating and severe
engine damage.
@
8-15
Replenishing the coolant
WARNING
@
Do not remove the coolant reservoir cap when
●
the engine is hot. Scalding hot fluid and steam
may be blown out under pressure, which could
cause serious injury.
When the engine has cooled, place a thick rag or
towel over the coolant reservoir cap, and slowly
rotate the cap counterclockwise to the detent.
This procedure allows any residual pressure to
escape. When the hissing sound has stopped,
press down on the cap while turning counterclockwise and remove it.
The cooling system must be bled of air if the
●
coolant reservoir becomes empty, if air can be
seen in the cooling system, or if there is a cooling
system leak. Consult a Yamaha dealer.
@
1. Remove the top cover and the right upper cover (for
PZ50FX/PZ50GT/PZ50M), or open the shroud and
remove the right upper cover (for PZ50VT). (See
pages 8-6–8-9 for removal procedures.)
2. Remove the coolant reservoir cap, add the recommended coolant until it reaches the “COLD LEVEL”
mark, and then install the cap.
Recommended coolant:
High quality ethylene glycol antifreeze containing corrosion inhibitors
Antifreeze and water mixing ratio:
60:40
Total amount:
For PZ50FX/PZ50GT/PZ50M
3.6 L (3.17 Imp qt, 3.81 US qt)
For PZ50VT
3.7 L (3.26 Imp qt, 3.91 US qt)
“COLD LEVEL” mark
1
Coolant reservoir cap
2
3. Start the engine, allow it to idle for several minutes,
and then turn it off.
4. Check for any coolant leakage.
8-16
NOTE:
@
If you find any leaks, consult a Yamaha dealer.
@
5. Install the right upper cover and the top cover (for
PZ50FX/PZ50GT/PZ50M), or install the right upper
cover and close the shroud (for PZ50VT).
ESU05540
Replacing the V-belt
WARNING
@
Have a Yamaha dealer replace the V-belt and adjust
the gap between the secondary fixed sheave and the
secondary sliding sheave.
Serious injury can occur from the sudden release of
spring tension during sheave disassembly.
@
CAUTION
@
:
To ensure proper clutch performance as the V-belt
wears, it is necessary to adjust the gap between the
secondary fixed sheave and secondary sliding
sheave by changing the positions of the spacers.
Have a Yamaha dealer make this adjustment.
@
CD-05E
New belt width 34.1 mm (1.34 in)
Belt wear limit width 32.5 mm (1.28 in)
NOTE:
@
Apply the parking brake before replacing the V-belt.
@
1. Remove the left side cover (for PZ50FX/PZ50GT/
PZ50M), or open the shroud and remove the left
upper cover and the left side cover (for PZ50VT).
(See pages 8-6–8-9 for removal procedure.)
2. Remove the drive guard.
3. Rotate the secondary sliding sheave clockwise
1
and push 2 it so that it separates from the secondary
fixed sheave.
4. Pull 3 the V-belt up over the secondary fixed sheave.
5. Remove the V-belt from the secondary sheave
assembly and primary sheave assembly.
6. Install the new V-belt over the primary sheave assembly.
8-17
7. Rotate the secondary sliding sheave clockwise
4
and push 5 it so that it separates from the secondary
fixed sheave.
8. Install the V-belt 6 between the secondary sliding
and secondary fixed sheaves.
9. Install the drive guard.
10. Install the left side cover (for PZ50FX/PZ50GT/
PZ50M), or install the left side cover and the left
upper cover, and then close the shroud (for PZ50VT).
WARNING
@
Never run the engine with the V-belt or drive guard
removed.
@
ESU05640
Checking the drive chain housing oil level and the drive chain tension
Checking the oil level
WARNING
@
The engine, oil tank, brake disc, and coolant hoses
will be very hot after the engine has been run. Avoid
contact while they are still hot with any part of your
body or clothing during inspection or repair.
@
1. Place the snowmobile on a level surface.
2. Remove the right side cover. (See pages 8-6–8-9 for
removal procedures.)
3. Remove the dipstick 1, wipe it off with a clean rag,
and then insert it back into the filler hole.
8-18
4. Remove the dipstick and check that the oil level is
within the range a shown at the bottom of the dipstick. If the oil does not reach the bottom of the dipstick, add sufficient oil to raise it to the correct level.
Drive chain oil: GL-3
75 W or 80 W
CAUTION
@
:
Make sure that no foreign material enters the drive
chain housing.
@
5. Install the dipstick, making sure to align the notch
2
in the dipstick handle with the projection 3 on the
drive chain housing.
6. Install the right side cover.
7. Operate the snowmobile for several minutes at more
than 20 km/h (12.4 mph), and then repeat steps 1–6
to check the oil level again.
Adjusting the chain tension
1. Remove the right side cover. (See pages 8-6–8-9 for
removal procedures.)
2. Loosen the locknut.
3. Turn the adjusting bolt clockwise until it is finger tight,
and then loosen it 1/4 turn.
4. Hold the adjusting bolt in place while tightening the
locknut.
Locknut
1
Adjusting bolt
2
5. Install the right side cover.
ESU00174
Checking the brake pads
Check the brake pads for wear.
If the brake pads reach the wear limit, ask a Yamaha
dealer to replace them.
Brake pad wear indicator
1
Wear limit a: 1.5 mm (0.06 in)
8-19
ESU00352
Checking the parking brake pads
Check the parking brake pads for wear by measuring the
thickness of the pads. If the parking brake pads reach
the wear limit, ask a Yamaha dealer to replace them.
Wear limit a: 1.2 mm (0.05 in)
Adjustment
As the parking brake pads wear, adjustment may be necessary to ensure proper brake performance.
WARNING
@
Be sure to have a Yamaha dealer make this adjustment.
@
1. Loosen the locknut 1 and the adjusting bolt 2.
2. Loosen the cable locknut 3.
3. Turn the cable adjuster 4 in or out to adjust the cable
length.
Cable length a: 43.5–46.5 mm (1.713–1.831 in)
4. Tighten the cable locknut.
5. Turn the adjusting bolt in or out to adjust the clearance between the parking brake pads 5 and the
brake disc 6.
Clearance b + c: 1.5–2.0 mm (0.059–0.079 in)
6. Tighten the locknut.
ESU00180
Checking the brake fluid level
Place the snowmobile on a level surface. Check that the
brake fluid is above the lower level and replenish when
necessary.
Lower level
1
Specified brake fluid: DOT 4
8-20
WARNING
@
Be careful that water does not enter the master cylinder when refilling. Water will significantly lower the
boiling point of the fluid and may result in vapor
lock.
If the brake fluid level goes down, consult a Yamaha
dealer.
@
CAUTION
@
:
Brake fluid may deteriorate painted surfaces or plastic parts. Never spill any fluid. If any is spilled, clean
it up immediately.
@
ESU01811
Changing the brake fluid
Brake fluid replacement is necessary when the following
components are replaced during the periodic maintenance or if they are damaged or leaking.
a. All oil seals of the master cylinder and caliper cylinder
b. The brake hose
WARNING
@
Make sure that the brake fluid and the above parts
are replaced by a Yamaha dealer.
@
ESU00183
Suspension
The suspension can be adjusted to suit rider preference.
A softer setting, for example, may provide greater rider
comfort, while a harder setting may allow more precise
handling and control over certain types of terrain or riding
conditions.
WARNING
@
Be sure to have a Yamaha dealer make this adjustment.
@
8-21
ESU03851
Adjusting the ski spring preload
The spring preload can be adjusted by turning the spring
preload adjuster 1.
For PZ50M/PZ50VT
CD-10E
Spring adjuster position 54321
Preload
Hard Soft
2
3
Standard 1
CAUTION
@
:
The left and right ski spring preload must be set to
the same pressure. Uneven settings can cause poor
handling and loss of stability.
@
For PZ50FX
CD-11E
Spring seat length*
Increased
Preload Harder
Maximum
Length
a
129.0 mm
(5.08 in)
The spring seat length changes approximately 1.5 mm (0.06 in) with
∗
each full turn of the adjuster.
Standard
←→
←→
119.0 mm
(4.69 in)
Decreased
Softer
Minimum
119.0 mm
(4.69 in)
For PZ50GT
CD-11E
Spring seat length*
Increased
Preload Harder
Maximum
Length
a
160.5 mm
(6.32 in)
The spring seat length changes approximately 1.5 mm (0.06 in) with
∗
each full turn of the adjuster.
Standard
←→
←→
150.5 mm
(5.93 in)
Decreased
Softer
Minimum
150.5 mm
(5.93 in)
8-22
CAUTION
@
:
The left and right ski spring preload must be set to
the same pressure. Uneven settings can cause poor
handling and loss of stability.
@
WARNING
@
This shock absorber contains highly pressurized
nitrogen gas. It could explode by improper handling,
causing injury, or property damage.
Do not tamper with or attempt to open the shock
●
absorber.
Do not subject the shock absorber to an open
●
flame or other high heat source, which could
cause it to explode.
Do not deform or damage the shock absorber in
●
any way.
Do not dispose of a worn or damaged shock
●
absorber by yourself. Take the unit to a Yamaha
dealer.
@
ESU04750
Adjusting the ski damping forces
For PZ50FX
Compression damping force
The compression damping force of each ski shock
absorber can be adjusted by turning the compression
damping force adjusting knob 1.
CD-28E
Adjusting knob
position
12 clicks
out out
Minimum Standard
Turns out
b
∗
7 clicks
2 clicks
out
Maximum
Turns in
a
Damping
∗
With the adjuster fully turned in direction
8-23
Soft Hard
a
Rebound damping force
The rebound damping force of each ski shock absorber
can be adjusted by turning the rebound damping force
adjusting knob 2.
CD-29E
Adjusting knob
position
20 clicks
out out
Minimum Standard
Turns out
b
12 clicks
∗
3 clicks
out
Maximum
Turns in
a
Damping
∗
With the adjuster fully turned in direction
NOTE:
@
Soft Hard
a
The damping forces will not decrease past the minimum
levels even if the adjusting knobs are turned out more
than the minimum settings.
@
CAUTION
@
:
The damping forces for the left and right ski shock
absorbers must be adjusted to the same settings.
Uneven settings can cause poor handling and loss
of stability.
@
WARNING
@
This shock absorber contains highly pressurized
nitrogen gas. It could explode by improper handling,
causing injury, or property damage.
Do not tamper with or attempt to open the shock
●
absorber.
Do not subject the shock absorber to an open
●
flame or other high heat source, which could
cause it to explode.
Do not deform or damage the shock absorber in
●
any way.
Do not dispose of a worn or damaged shock
●
absorber by yourself. Take the unit to a Yamaha
dealer.
@
8-24
ESU04213
Adjusting the rear suspension spring preload
The spring preload can be adjusted by turning the spring
preload adjuster 1 on each shock absorbers.
A
For PZ50GT/PZ50M
CD-13E
Spring adjuster position 12345
Preload Soft Hard
Standard (front) 1
È
B
For PZ50VT
CD-13E
Spring adjuster position 12345
Preload Soft Hard
Standard (front) 3
É
C
D
For PZ50FX
CD-17E
Spring seat length*
Increased
Preload Harder
Maximum
Length (front)
Ê a
123.5 mm
(4.86 in)
The spring seat length changes approximately 1.5 mm (0.06 in) with
∗
each full turn of the adjuster.
CD-23E
Spring adjuster position S M H
Standard
←→
←→
113.5 mm
(4.47 in)
Decreased
Softer
Minimum
113.5 mm
(4.47 in)
Preload Soft Medium Hard
Standard (rear) M
Ë
8-25
WARNING
@
Be sure to have a Yamaha dealer make this adjustment.
This shock absorber contains highly pressurized
nitrogen gas. It could explode by improper handling,
causing injury, or property damage.
Do not tamper with or attempt to open the shock
●
absorber.
Do not subject the shock absorber to an open
●
flame or other high heat sources, which could
cause it to explode.
Do not deform or damage the shock absorber in
●
any way.
Do not dispose of a worn or damaged shock
●
absorber by yourself. Take the unit to a Yamaha
dealer.
@
ESU05080
Adjusting the rear suspension damping forces
For PZ50FX
The compression damping force can be adjusted by turning the adjuster 1.
CD-30E
Adjuster position
20 clicks
out out
Minimum Standard
Turns out
b
11 clicks
∗
1 click
out
Maximum
Turns in
a
Damping force
∗
With the adjuster fully turned lightly in direction
CAUTION
@
Do not continue to turn the adjuster in
●
:
Soft Hard
a
direction a after it stops. The shock absorber
can be damaged and damping force adjustments
cannot be made.
Do not turn the adjuster in direction b more than
●
20 clicks. Even if the adjuster is continually
turned after 20 clicks, there will be no change in
the damping force.
Be sure to stop the adjuster at a position where
●
there is a click.
@
8-26
WARNING
@
This shock absorber contains highly pressurized
nitrogen gas. It could explode by improper handling,
causing injury, or property damage.
Do not tamper with or attempt to open the shock
●
absorber.
Do not subject the shock absorber to an open
●
flame or other high heat source, which could
cause it to explode.
Do not deform or damage the shock absorber in
●
any way.
Do not dispose of a worn or damaged shock
●
absorber by yourself. Take the unit to a Yamaha
dealer.
@
ESU04221
Adjusting the control rods
For PZ50VT
The weight transfer can be adjusted by turning the control rod adjusting nut 1.
1. Loosen the locknut 2 while holding the control rod
adjusting nut.
2. Turn the adjusting nut in direction a to increase
weight transfer or direction b to decrease weight
transfer.
3. Tighten the locknut while holding the adjusting nut in
place.
Locknut tightening torque:
25 Nm (2.5 m·kgf, 18 ft·lb)
CAUTION
@
When using the two wrenches included in the
●
:
owner’s tool kit, make sure that they are situated
at a right angle to the control rod as shown, and
that they are tightly fitted to the locknut and the
control rod adjusting nut.
The left and right adjusting nuts must be set to
●
the same position. Uneven settings can cause
poor handling and loss of stability.
@
8-27
WARNING
@
Never adjust the control rods beyond the maximum
range indicated on the rods with red paint 3.
@
Adjustable range
c
Standard position
d
ESU04342
Adjusting the 2-up adjusting block spring force
For PZ50VT
The spring force can be adjusted by changing the position of the 2-up adjusting blocks.
NOTE:
@
Be sure to make this adjustment when there is no load
(rider or cargo) on the snowmobile.
@
1. Install the special tools 1 and 2 included in the
owner’s tool kit to the 2-up adjusting block 3.
2. Pull the lock lever 4 and turn the special tool 2 to
change the block position.
3. Release the lock lever.
CAUTION
@
:
Make sure that the 2-up adjusting blocks are
installed in the same position on both sides of the
snowmobile.
@
2-up position (rider and passenger)
a
Solo rider position
b
8-28
ESU03532
Adjusting the drive track
WARNING
@
A broken track, track fittings or debris thrown by the
drive track could be dangerous to an operator or
bystanders. Observe the following precautions:
●
Do not allow anyone to stand behind the snowmobile when the engine is running.
●
When the rear of the snowmobile is raised to
allow the drive track to spin, a suitable stand
must be used to support the rear of the snowmobile. Never allow anyone to hold the rear of the
snowmobile off the ground to allow the drive
track to spin. Never allow anyone near a rotating
drive track.
●
Inspect the drive track condition frequently.
Replace damaged slide metal. Replace the drive
track if it is damaged to the depth where fabric
reinforcement material is visible or support rods
are broken. Otherwise, track damage or failure
could result in loss of braking ability and snowmobile control, which could cause an accident.
@
Measuring the drive track deflection
1. Lay the snowmobile on its side.
2. Measure the drive track deflection with a spring
scale. Pull at the center of the drive track with a force
of 100 N (10 kg, 22 lb).
NOTE:
@
Measure the gap between the slide runner and the edge
of the track window. Measure both sides.
@
Deflection
1
100 N (10 kg, 22 lb)
2
Standard drive track deflection:
30–35 mm (1.18–1.38 in) / 100 N (10 kg, 22 lb)
3. If the deflection is incorrect, adjust the drive track.
8-29
Adjusting the drive track
WARNING
@
Be sure to have a Yamaha dealer make this
●
adjustment.
Support the snowmobile securely on a suitable
●
stand before working underneath the snowmobile.
Operate the engine in a well-ventilated area.
●
@
1. Lift the rear of the snowmobile onto a suitable stand
to raise the drive track off the ground.
2. Loosen the rear axle nut 1.
3. Start the engine and rotate the drive track one or two
turns. Stop the engine.
4. Check the drive track alignment with the slide
runners2. If the alignment is incorrect, align the
drive track by turning the left and right adjusters.
CD-08E
Drive track
alignment
Left adjuster Turn out Turn in
3
Right adjuster Turn in Turn out
4
Shifted to right6 Shifted to left
5
5 6
Slide runners
7
Drive track
8
Slide metal
9
Gap
a
Forward
b
5. Adjust the drive track deflection to specification.
CD-09E
Drive track
deflection
Left adjuster Turn in Turn out
3
Right adjuster Turn in Turn out
4
8-30
More than
specified
Less than
specified
CAUTION
@
:
The right and left adjusters should be turned to an
equal amount.
@
6. Recheck alignment and deflection. If necessary,
repeat steps 3 to 5 until the proper adjustment is
achieved.
7. Tighten the rear axle nut.
Rear axle tightening torque:
75 Nm (7.5 m·kgf, 54.2 ft·lb)
ESU02001
Aligning the skis
1. Turn the handlebar so the skis face straight ahead.
2. Check the following for ski alignment:
a.Skis are facing forward.
b.Ski toe-out (1 – 2) is within specification.
Ski toe-out (1 – 2): 0–15 mm (0–0.59 in)
3. If the alignment is not correct, consult a Yamaha
dealer.
8-31
2
ESU05290
Lubrication
Lubricate the following points.
Lubricant: Low-temperature grease
Throttle cable end
1
WARNING
@
Apply a dab of grease onto the cable end only. Do
not grease the throttle cable because it could
become frozen, which could cause loss of control.
@
Rear suspension
2
WARNING
@
Be sure to have a Yamaha dealer lubricate the front
and rear suspensions.
@
2
8-32
A
ESU05560
Replacing a headlight bulb
1. Remove the top cover (for PZ50FX/PZ50GT/PZ50M)
or open the shroud (for PZ50VT). (See pages 8-6–
8-9 for removal procedures.)
2. Disconnect the headlight coupler.
3. Remove the bulb holder cover.
B
4. Unhook the bulb holder by pushing it in, then downward.
Headlight coupler
1
Bulb holder cover
2
Bulb holder
3
PZ50FX/PZ50GT/PZ50M
+
PZ50VT
,
5. Remove the bulb.
WARNING
@
Keep flammable products and your hands away from
the hot bulb until it has cooled down.
@
6. Install the new bulb, and then hook the bulb holder
onto the headlight unit.
Bulb type: 12 V, 60/55 W
7. Install the bulb holder cover, and then connect the
headlight coupler.
8. Install the top cover (for PZ50FX/PZ50GT/PZ50M) or
close the shroud (for PZ50VT).
CAUTION
@
:
Keep oil and your hands away from the glass part of
the bulb or its life and illumination will be affected.
If the glass is oil stained, thoroughly clean it with a
cloth moistened with alcohol or lacquer thinner.
@
8-33
ESU02121
Adjusting the headlight beams
1. Turn the headlight beam adjuster 1 in or out to
adjust the headlight beams.
Headlight beam movement:
Down and to the left
a
Up and to the right
b
Down and to the right
c
Up and to the left
d
ESU00355
Battery
This snowmobile is equipped with a sealed-type (MF)
battery, which does not require any maintenance. There
is no need to check the electrolyte or to add distilled
water.
To charge the battery
Have a Yamaha dealer charge the battery as soon as
possible if it seems to have discharged. Keep in mind
that the battery tends to discharge more quickly if the
snowmobile is equipped with electrical accessories.
WARNING
@
Battery electrolyte is poisonous and dangerous. It
contains sulfuric acid and can cause severe burns.
Avoid contact with skin, eyes, or clothing.
ANTIDOTE:
●
EXTERNAL: Flush with water.
●
INTERNAL: Drink large quantities of water or
milk. Follow with milk of magnesia, beaten egg,
or vegetable oil. Call physician immediately.
●
EYES: Flush with water for 15 minutes and get
prompt medical attention.
Batteries produce explosive gases. Keep sparks,
flame, cigarettes, etc. away. Ventilate when charging
or using in an enclosed space. Always shield your
eyes when working near batteries.
KEEP OUT OF THE REACH OF CHILDREN.
@
8-34
ESU05590
Replacing a fuse
WARNING
@
Be sure to use the specified fuse. A wrong fuse
could cause electrical system damage or A FIRE
HAZARD.
@
CAUTION
@
:
Be sure to turn the main switch off and disconnect
the negative battery lead to prevent accidental shortcircuiting.
@
1. Remove the right side cover. (See pages 8-6–8-9 for
removal procedures.)
2. Disconnect the negative battery lead.
3. Replace the blown fuse with one of the proper
amperage.
Specified fuses:
Main fuse: 40 A
1
Fuel injection system fuse: 10 A
2
“HEAD” (Headlight) fuse: 20 A
3
“SIG” (Signal) fuse: 7.5 A
4
“DC TERM” (Auxiliary DC jack) fuse: 3 A
5
“IGN” (Ignition) fuse: 20 A
6
“FAN” (Radiator fan) fuse: 15 A
7
“GEAR” (Electric shift reverse system) fuse: 4 A
8
Spare fuses (20 A, 15 A, 10 A, 7.5 A, 4 A, 3 A)
9
4. Connect the negative battery lead.
5. Install the right side cover.
NOTE:
@
If the fuse immediately blows again, ask a Yamaha
dealer to inspect the snowmobile.
@
8-35
ESU05380
9-
TROUBLESHOOTING
A. Engine turns over but does not start
1. Fuel system
No fuel supplied to combustion chamber
No fuel in tank ... Supply fuel.
●
Clogged fuel line ... Clean fuel line.
●
Clogged injector ... Ask a Yamaha
●
dealer to inspect.
Fuel supplied to combustion chamber
Flooded engine (too much choke) ...
●
Crank engine with throttle open or wipe
the spark plugs dry.
2. Electrical system
Poor or no spark
Spark plugs are dirty with carbon or are
●
wet ... Remove carbon or wipe the
spark plugs dry; replace if necessary.
Faulty ignition system ... Ask a Yamaha
●
dealer to inspect.
T.O.R.S. malfunction ... Disconnect the
●
throttle switch connectors and connect
the wire harness connectors together
to bypass the T.O.R.S.
WARNING
@
●
Before bypassing the T.O.R.S., make
sure that the throttle returns properly to the fully closed position.
●
The T.O.R.S. is an important safety
device; in the case of a malfunction,
take the snowmobile to a Yamaha
dealer immediately for repair.
@
3. Compression
Insufficient
Loose cylinder head nuts ... Tighten
●
nuts properly.
Worn or damaged gasket ... Replace
●
gasket.
Worn or damaged piston and cylinder
●
... Ask a Yamaha dealer to inspect.
B. Starting the engine with a dis-
charged battery
If the snowmobile battery is discharged,
the engine can be started using a 12-volt
battery and jumper cables.
WARNING
@
●
Connect the jumper cables only to
the battery terminals. Do not connect them to the frame or any wire or
other lead.
●
When connecting the jumper cables,
do not contact the jumper cables to
each other or to the frame or any
metal part of the snowmobile. This
can cause electrical system damage or A FIRE HAZARD.
@
1. Apply the parking brake and turn the
main switch off.
2. Remove the right side cover. (See
pages 8-6–8-9 for removal procedures.)
3. Connect the red (+) jumper cable to the
positive (+) terminal of the discharged
battery.
4. Connect the other end of the red (+)
jumper cable to the positive (+) terminal
of the booster battery.
5. Connect the black (-) jumper cable to
the negative (-) terminal of the booster
battery.
6. Connect the other end of the black (-)
jumper cable to the negative (-) terminal of the discharged battery.
9-1
CAUTION
@
:
Do not reverse the connections! Make
sure that all connections are secure
and correct before attempting to start
the engine. Any wrong connection
could damage the electrical system.
@
7. Start the engine.
8. Disconnect the black (-) jumper cable
from the negative (-) terminal of the discharged battery.
9. Disconnect the black (-) jumper cable
from the negative (-) terminal of the
booster battery.
10. Disconnect the red (+) jumper cable
from the positive (+) terminal of the
booster battery.
11. Disconnect the red (+) jumper cable
from the positive (+) terminal of the discharged battery.
12. Install the right side cover.
2. Faulty wire connections ... Check connections or ask a Yamaha dealer to
inspect.
3. Discharged battery... Charge battery or
see B above.
4. Seized engine ... Seizure is caused by
poor lubrication, inadequate fuel, or an
air leak—Ask a Yamaha dealer to
inspect.
D. Engine power is low
1. Low coolant temperature indicator light
is flashing ... Warm the engine up.
2. Faulty spark plugs ... Clean or replace
the spark plugs.
3. Improper fuel flow ... See A.1. above.
4. Incorrect V-belt clutch settings for altitude or conditions ... Ask a Yamaha
dealer to inspect.
E. Engine constantly backfires or mis-
fires
1. Faulty spark plugs ... Replace the
spark plugs.
2. Clogged fuel system ... See A.1. above.
3. Malfunctioning T.O.R.S. ... See A.2.
above.
F. Engine overheats
1. Insufficient coolant ... Add coolant.
2. Air in cooling system ... Bleed the cooling system or ask a Yamaha dealer to
inspect.
3. Leaking coolant ... Ask a Yamaha
dealer to inspect.
C. Electric starter does not operate or
operates slowly
1. Engine stop switch is pushed in ... Pull
it out.
9-2
G. Snowmobile does not move
1. Malfunctioning V-belt clutch ... Ask a
Yamaha dealer to inspect.
2. Drive track does not move ... Foreign
object is caught in the drive track, or
slide runners have melted to the slide
metal due to lack of lubrication.
3. Tight, loose, or broken drive chain ...
Ask a Yamaha dealer to inspect.
H. V-belt twists
1. Improper V-belt ... Replace with the
correct V-belt.
2. Incorrect V-belt clutch offset ... Ask a
Yamaha dealer to inspect.
3. Loose or broken engine mount ... Ask a
Yamaha dealer to inspect.
I. V-belt slips or burns
1. Oily or dirty V-belt or primary and secondary sheave assembly surfaces ...
Clean.
2. Problem with the driveline ... See H
above.
K. Noise or excessive vibration in drive
chain and sprockets
1. Broken V-belt clutch components ...
Ask a Yamaha dealer to inspect.
2. Worn or damaged bearings ... Ask a
Yamaha dealer to inspect.
3. Worn or damaged V-belt with flat spots
... Replace.
4. Worn or damaged idler wheels or
shafts ... Ask a Yamaha dealer to
inspect.
5. Worn or damaged drive track ... Ask a
Yamaha dealer to inspect.
J. Engine does not upshift or down-
shift properly or engages harshly
1. Worn or damaged V-belt ... Replace the
V-belt or ask a Yamaha dealer to
inspect.
2. Incorrect V-belt clutch settings for altitude or conditions ... Ask a Yamaha
dealer to inspect.
3. Worn or sticking primary sheave
assembly ... Ask a Yamaha dealer to
inspect.
4. Worn or sticking secondary sheave
assembly ... Ask a Yamaha dealer to
inspect.
9-3
ESU04742
10-
STORAGE
Long-term storage requires some preventive procedures to guard against deterioration.
1. Cleaning
Thoroughly clean the snowmobile, inside
and out, to remove the corrosive salts and
acids that can accumulate. Use Yamaha
Mud, Grease, and Engine Cleaner, or an
equivalent product, to loosen mud, grease,
and grime. Wash with mild soap, then rinse
and dry completely.
remove the intake silencer and squirt oil
into the throttle bodies while the engine is
running.
CAUTION
@
:
Do not attempt to store the snowmobile
by simply starting the engine occasionally during the storage period. This can
cause more harm than good! Moisture
and acids form during combustion
which can actually increase the chance
for corrosion damage during the storage period.
@
2. Lubrication
Lubricate moving parts, suspension linkage, and pivot points. Use the grease or
lubricant specified in the MAINTENANCE
section, or Yamaha Lube-Zall general-purpose lubricant. Proper lubrication fights
corrosion while it reduces friction.
3. Fuel system
Add Yamaha Fuel Stabilizer and Conditioner, or an equivalent stabilizer, to the
fuel tank to help prevent fuel oxidation and
gum and varnish deposits, and to inhibit
corrosion in the fuel system and injectors.
In areas where oxygenated fuel (gasohol)
is used, consult a Yamaha dealer.
4. Engine
Proper storage of the engine is essential to
prevent costly rust and corrosion damage
to internal engine components. This is
more important in areas where oxygenated
fuel (gasohol) is used, because the alcohol
content in the fuel increases the chance for
water to enter the engine. Use Yamaha
Stor-Rite Engine Fogging Oil, or an equivalent fogging oil, to protect both the combustion chamber and crankshaft from
corrosion. An alternate method is to
5. Surface protection
Apply a coat of wax to painted surfaces.
Apply suitable protectants to the exterior of
the engine, drive track, and to other metal,
plastic, and rubber parts.
6. Battery
Remove the battery from the snowmobile.
Store it in a cool, dry place that is above
0 °C (32 °F), but less than 30 °C (90 °F).
Check the condition of the battery once a
month, and charge it as necessary.
WARNING
@
●
Never smoke around the battery
while it is being charged. Sparks
may ignite the hydrogen gas created
by the battery.
●
Never connect the battery to or disconnect it from the snowmobile
while it is being charged. Sparks
may ignite the hydrogen gas created
by the battery.
●
Make sure that the battery terminals
are tight.
@
10-1
CAUTION
@
Always keep the battery charged.
●
:
Storing a discharged battery can
cause permanent battery damage.
To charge a sealed-type (MF) battery,
●
a special (constant-voltage) battery
charger is required. Using a conventional battery charger will damage
the battery. If you do not have
access to a sealed-type (MF) battery
charger, have a Yamaha dealer
charge your battery.
Do not charge the battery quickly.
●
Charge the battery for 10 hours at
1.2 amperes.
@
7. Drive track
Loosen the drive track and block up the
chassis so that the track is suspended
above the ground.
8. V-belt
Remove the V-belt and store separately.
NOTE:
@
Before installing the battery, have a
Yamaha dealer inspect and fully charge it.
@
For peak performance, it is recommended
that you have your snowmobile checked
and tuned by a Yamaha dealer. The dealer
has the experience and training to help you
get the maximum performance and use out
of your Yamaha snowmobile.
9. Storage
Store the snowmobile in a dry, well-ventilated place out of direct sunlight. Put a fabric cover over the snowmobile, preferably
one that is designed for it. Do not use a
plastic or vinyl cover—condensation could
be trapped underneath which could
increase the chances of rusting.
Returning to service after storage
When returning your snowmobile to service, install the V-belt and battery and
adjust the drive track.
Remove the spark plugs and clean or
replace them if necessary. Perform all
other pre-operation and seasonal maintenance checks listed in the periodic maintenance chart.
10-2
ESU00228
11-
ESU00229
SPECIFICATIONS
Dimensions
CS-01E
PZ50FX/PZ50GT/PZ50M/PZ50VT
Overall length 2,820 mm (111.0 in): PZ50FX/PZ50GT
3,195 mm (125.8 in): PZ50M
3,150 mm (124.0 in): PZ50VT
Overall width 1,215 mm ( 47.8 in): PZ50FX/PZ50GT/
PZ50VT
1,165 mm ( 45.9 in): PZ50M
Overall height 1,190 mm ( 46.9 in): PZ50FX
1,340 mm ( 52.8 in): PZ50GT/PZ50M
1,380 mm ( 54.3 in): PZ50VT
Dry weight 221 kg ( 487 lb): PZ50FX/PZ50GT
233 kg ( 514 lb): PZ50M
268 kg ( 591 lb): PZ50VT
Ski stance 1,080 mm ( 42.5 in): PZ50FX/PZ50GT/
PZ50VT
980 mm ( 38.6 in): PZ50M
ESU00230
Engine
CS-02E
PZ50FX/PZ50GT/PZ50M/PZ50VT
Type Liquid cooled 4-stroke, 10 valves
Cylinder arrangement Parallel 2-cylinder
Displacement 449 cm
Bore × Stroke 77.0 × 53.6 mm (3.03 × 2.11 in)
Idle speed 1,800 ± 100 r/min
Engine oil type API SE, SF, SG or higher
Throttle body type KEIHIN, TSK43
Fuel Premium unleaded gasoline
Starting system Electric starter
3
SAE 0W-30
Pump octane (R+M)/2 91 or higher
11-1
ESU00231
Chassis
CS-03E
PZ50FX/PZ50GT/PZ50M/PZ50VT
Drive track and suspension:
Track Molded rubber, fiber glass rod reinforced
Width 356 mm (14.0 in): PZ50FX/PZ50GT/
PZ50M
381 mm (15.0 in): PZ50VT
Track deflection 30–35 mm (1.18–1.38 in)/
100 N (10 kg, 22 lb)
Length on ground 769 mm (30.3 in): PZ50FX/PZ50GT
1,084 mm (42.7 in): PZ50M
985 mm (38.8 in): PZ50VT
Suspension type Slide Rail Suspension
Drive sprocket Double polyethylene, 9 teeth:
PZ50FX/PZ50GT/PZ50VT
Double polyethylene, 8 teeth:
PZ50M
Transmission:
Type Automatic centrifugal engagement, infinite-
ly variable 3.8:1–0.95:1
Sheave distance Approx. 268.5 mm (10.57 in)
Sheave offset Approx. 16 mm (0.63 in)
Engagement speed
Shift speed
1
∗
1
∗
Drive chain Silent chain enclosed in oil bath
Reduction ratio 41/18 (2.28): PZ50FX
Fuel tank:
Tank capacity 30.1 L (6.6 lmp gal, 8.0 US gal):
Oil quantity:
With oil filter cartridge replacement 2.63 L (2.31 lmp qt, 2.78 US qt)
Without oil filter cartridge replacement 2.45 L (2.16 lmp qt, 2.59 US qt)
Total amount 3.00 L (2.64 lmp qt, 3.17 US qt)
Approx. 3,900 r/min:PZ50FX/PZ50GT
Approx. 4,300 r/min:PZ50M
Approx. 3,500 r/min:PZ50VT
Approx. 11,300 r/min
2
∗
41/20 (2.05): PZ50GT
41/17 (2.41): PZ50M
45/19 (2.37): PZ50VT
PZ50FX/PZ50GT/PZ50M
36.0 L (7.9 lmp gal, 9.5 US gal):
PZ50VT
11-2
PZ50FX/PZ50GT/PZ50M/PZ50VT
Brake:
Type Hydraulic disc type (ventilated disc)
Operation Handle lever, left hand operated
Throttle:
Operation Handle lever, right hand operated
1 Subject to change according to elevation settings.
∗
2 Usually achieved after approximately 800 m (0.5 mi) traveled.
∗
ESU00232
Electric
CS-04E
PZ50FX/PZ50GT/PZ50M/PZ50VT
Ignition system TCI
Spark plug Type R CR9EKB (NGK)
Gap 0.6–0.7 mm (0.024–0.028 in)
Battery Capacity YTX14-BS 12 V 12 A·h
Maximum charge rate 1.2 Amperes/hr for 10 hrs
Headlight Bulb × Quantity 12 V, 60/55 W × 2
Tail/brake light Bulb × Quantity LED
Meter light Bulb × Quantity LED
Indicator light Bulb × Quantity LED
11-3
–MEMO–
ESU00233
WIRING DIAGRAM
1-
B
B
R/L
R
R/L
O
L/W
4
(40A)
(GRAY)
Gy/R
B
B
P
YB/L
L
B
R/L
Q
L
Y
B/L
R/LG/B
(GRAY)
R/L
R/L
O
R/B
G/BG/B G/B
A
A
R/B R/B
L
Y
BOB
L/R
R/L
R/B
P/W
G/B
W/B
W/Y
K
Lg
L/Y
B/Y
Y/R
O/B
G/Y
Br/L
B/R
Y/R
Ë
O/B
L/R
P
Br
E
O/B
L/W
R/W
(BLACK)
L/W
R/W
B
R/W
L/W
L/W
R/G
R/W
7
6
B
B
(10A)
R/G
R R
9
R
R
R
R
Br
R
B
R
R
0
R
5
Br/LW
Br/L
R
W
Br
RWW
R
WW
W/Y
B/L
L
O/R
B/W
P
R
L
B/L
W/Y
W
(BLACK)
P
B/L
W
Br/W
G/W
Y/G
H
Y/G
B
F
Y/R
Ì
L/R
B/Y
B/Y
B/Y
CLOSE
B/W
Br
RUN
CD
8
B
B
B
B
R/YL/RL/W
(20A)
(15A)
Br/R
(7.5A)
(20A)
rqputs
(3A)
O/BR/G
(4A)
Y/L
OPEN
STOP
W/B
L
B/R
B/R
Y/R
Y/R
Y/R
Y/R
(BLACK)
(BLACK)
LP
P/W
(BLACK)
(BLACK)
B/L
B/L
U
T
B
G/W
L
L
P
B/L
B/L
P/W
C
G/W G/W
Br/B
Y/R
R/G
Br/R
(BLACK)
R/G
R/G
Y/RBr/R
R/G
R/G
Br/B
Z
Ch
W/R
Lg
E
Lg
W/L
W/R W/R
E
W/L
W/L
B
Lg
W
B
G
B
B
F
B
B
B
FF
B
B
B
B
B/L
L
(BLACK)
L/Y
B/L
W
(BLACK)
S
L
B/L
W/B
B
(BLACK)
V
W
Y/W
Br/B
Sb/W
Y/L
Lg
B/R
W/L
W/R
Y/G
Lg
B
B
B/R
B
B
Ch
B/L
(BLACK)
Ch
Br
Br/W
Br
R/W
(BLACK)
G/WB/L
W
B
Y/R
[
B B
R/G
\
C
Ch
IJ
O/B
e
L/R
B/L
Br/W
X
B/L
Br/W
C
B/L B/L
Sb/W
L/B
Y/R
E
L/B
L/B
Sb/W
E
Sb
Sb/W
Sb/W
B
Sb
R/G
R/G
Ch
Ch
L/R
È
ON
OFF
START
c
Ê
L/R
G
G
L/R
G
ON
OFF
G
L/R
B
L/R
G
O/B
D
G
O/B
B/L
B
L/R
È
Ch
Y/L
Y/W
Sb
Br/R
L/B
L/B
L/B
SbSbSb
]
Br/R
Br/RBr/R
E
^
Y/L
O/B
L/R
Y/LL/R
O/BL/R
O/BO/B
D
a
B
Y/L G/R
O/B
G/R
Y/L
(BLACK)(BLACK)
O/B
G/R
Y/L
L/R
B
G
B
LY
D
G
G
D
L/R
L/R
f
B
g
G
G/B
h
L/Y
R/B
G/B
B/R
Y
A
B
B
G/Y
L
Br/R
R/W
n
G/Y
L
Br/RR/W
O/B
o
W/B
G
È
i
L/YR/B
(BLACK)
R/WG/B
Ch B/R
R/W
B
B
L
B
m
L
B
(BLACK)
L
B
É
(BLACK)
B
B
O/B
G
Y
G
L/W
(BLACK)
Lg
k
L/W
Y
Lg
Lg
L/W
HI
LO
G
L/W
L
Lg
l
YG
B
SUB-WIRE
HARNESS 3
WIRE HARNESS
Y
Y/LY/W
B/L
Ch
Y/LY/W
HEADLIGHT
F
B
YG
Br/R
W/R
Sb
L/B
W/L
GEAR MOTOR
E
W/L
Sb
L/B
Br/R
W/R
G/W
Ch
B/L
C
B/L
Ch
G/W
R/L
B
FUEL PUMP
B
B
R/L
O
R/B
G/BR/L
Gy/R
R/W
A
R/W
G/BR/L
Gy/R
O
R/B
b
BB
Y
B
G
B
G/R
Y/L
Y/L Y/LG/R G/R
Y
B
G
dd
B
G/R
Y/L
D
B
B
G/B
Ch
Ch
R/B
Ch
(GRAY)
Ch
Ch
BY
Y
G
j
Y GY G
j
F
B
B B
BY
G
HARNESS
SUB-WIRE
WIRE HARNESS
HARNESS
SUB-WIRE
WIRE HARNESS
SUB-WIRE
HARNESS 2
WIRE HARNESS
HARNESS
SUB-WIRE
WIRE HARNESS
SUB-WIRE
HARNESS 1
WIRE HARNESS
B
B
B
R/L
R/L
N
R/GR/W
R/L
R/G
R/W
O
(BLACK)
L
M
O
R/WR/WR/W
A
OY/R
Gy/RSb/W
R/B
B
G/Y
Lg B G/B
Y/L
Br/L
L/R
L/W
R/Y
Gy
B/L
1
B
Gy
Gy
B/L
(BLACK)
A
R/L
R/L L/R
L/R
R/LR/B
R/W
R/W
Gy/R
(BLACK)
L
M
R/W
Gy/R
A
Gy/R
Gy/R
A
O
O
Ch
B/L
Lg
L/Y
R/W
LW/BR/W
P/WR/LY/G
Gy
R/W
R/W
B/YW/YY/WW/L
L/WPY/L
Br/W
YW
O/BG/WBr/BGy
B/R
W/R
R/Y
B
L/W
3
Br/W
R/W
R
Br Br
R
Br B
ON
OFF
START
R
2
WWW
W WW
WWW
(GRAY)
RB
WWW
12-1
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