Yamaha VENTURE 700, SXVIPER S, SXVIPER MOUNTAIN, SXVIPER ER, MOUNTAIN MAX 700 User Manual

OWNER’S MANUAL
LIT-12628-02-31
SXV70ERJ
SXV70MJ
SXV70SJ
VT70J
8EK-28199-12
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
2-

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.
SXV70ERJ
SXV70MJ
SXV70SJ
VT70J
OWNER’S MANUAL
©2003 by Yamaha Motor Corporation, U.S.A.
1st Edition, March 2003
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-12628-02-31
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
Starter lever (choke) ........................5-2
Throttle lever....................................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
heat level indicator...........................5-5
Fuel level warning indicator .............5-6
Oil level warning indicator................5-7
Coolant temperature warning
indicator ...........................................5-7
Self-diagnosis warning indicator ......5-8
D.C.S. (Detonation Control
System) indicator light ...................5-10
Engine stop switch.........................5-12
Brake lever ....................................5-12
Parking brake lever........................5-13
Shift lever.......................................5-13
Headlight beam switch ..................5-14
Passenger grip warmer switch ......5-14
Shroud latches...............................5-15
Drive guard ....................................5-15
V-belt holders ................................5-16
.......................................1-1
...............................................1-4
.......................2-1
...................3-1
...................................4-1
....................5-1
Spark plug holders ........................5-16
Carburetor heating knob................5-16
Backrest ........................................5-17
Storage compartment....................5-17
PRE-OPERATION CHECKS
Fuel .................................................6-1
Engine oil.........................................6-2
Coolant ............................................6-2
Throttle lever ...................................6-3
Recoil starter ...................................6-3
Throttle override system
(T.O.R.S.) ........................................6-3
Brake ...............................................6-4
Brake fluid leakage..........................6-5
V-belt ...............................................6-5
Drive guard......................................6-5
Drive track .......................................6-6
51-mm (2.0-in) high-profile
pattern drive track............................6-6
Slide runners ...................................6-6
Skis and ski runners ........................6-7
Steering system...............................6-7
Lights...............................................6-7
Battery .............................................6-8
Air filter ............................................6-8
Fittings and fasteners ......................6-9
Tool kit and recommended
equipment........................................6-9
OPERATION
Starting the engine ..........................7-1
Emergency engine starting..............7-2
Break-in ...........................................7-4
Riding your snowmobile ..................7-5
Getting to know your snowmobile ...7-5 Learning to ride your snowmobile ...7-5
To start out and accelerate..............7-5
Braking ............................................7-5
Turning ............................................7-6
Riding uphill.....................................7-6
Riding downhill ................................7-7
......................................7-1
..............6-1
Traversing a slope ...........................7-7
Ice or icy surface .............................7-7
Hard-packed snow...........................7-8
Operation on surfaces other than
snow or ice ......................................7-8
Maximizing drive track life ...............7-9
Strap ..............................................7-10
Driving ...........................................7-11
Stopping the engine.......................7-12
Transporting ..................................7-13
PERIODIC MAINTENANCE ...............8-1
Periodic maintenance chart .............8-1
Tool kit .............................................8-4
Spark plug inspection ......................8-4
Engine idle speed adjustment .........8-5
Throttle cable adjustment ................8-6
Oil pump cable adjustment ..............8-6
Carburetor adjustment.....................8-7
Yamaha Power Valve System
(Y.P.V.S.).........................................8-9
High altitude adjustments ..............8-10
Cooling system ..............................8-11
V-belt replacement ........................8-13
Checking the oil level of the drive
chain housing ................................8-15
Checking the brake pads...............8-17
Checking the parking brake
pads...............................................8-17
Checking the brake fluid level........8-18
Brake fluid replacement.................8-18
Suspension....................................8-18
Drive track adjustment...................8-26
Ski alignment .................................8-28
Lubrication .....................................8-29
Headlight bulb replacement...........8-30
Headlight beam adjustment...........8-30
Battery ...........................................8-31
Fuse replacement..........................8-32
SPECIFICATIONS............................11-1
Dimensions....................................11-1
Engine ...........................................11-1
Chassis..........................................11-2
Electric...........................................11-3
WIRING DIAGRAM ..........................12-1
TROUBLESHOOTING .......................9-1
STORAGE ........................................10-1
ESU00004
CW-01E
1-
YAMAHA MOTOR CORPORATION, U.S.A.
SNOWMOBILE LIMITED WARRANTY
1-1
CW-02E
1-2
CW-03E
1-3
ESU00050
CW-05E

YAMAHA EXTENDED SERVICE (Y.E.S.)

1-4
1
SXV70M/SXV70S
1
SXV70ER
ESU00007
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.
1
VT70
2-1
2
4 SXV70M
5 SXV70M
3
6 SXV70M
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. SXV70ER, SXV70M and SXV70S 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 6-1–6-9 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 gentlynot 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
ESU00012
4-
DESCRIPTION
Windshield
1
Steering handlebar
2
Seat
3
Passenger grip warmer switch (VT70)
4
Frame
5
Slide rail suspension
6
Drive track
7
Skis
8
Headlight
9
Shroud
0
SXV70ER/SXV70S
SXV70M
VT70
4-1
VT70
Storage compartment
A
Tail/brake light
B
Snow flap
C
Side mirror (VT70)
D
Brake lever
E
Parking brake lever
F
Grip warmer adjustment switch
G
Headlight beam switch
H
Strap (SXV70M)
I
Engine stop switch
J
Thumb warmer adjustment switch
K
Throttle lever
L
Shift lever (SXV70ER/VT70)
M
Starter handle
N
Shroud latch
O
Main switch
P
Starter lever
Q
Tachometer
R
D.C. S. (Detonation Control System)
S
indicator light High beam indicator light
T
Warning light
U
Self-diagnosis warning indicator
V
Coolant temperature warning indicator
W
Fuel level warning indicator
X
Oil level warning indicator
Y
Speedometer
Z
Grip warmer indicator
[
Select/reset button
\
Thumb warmer indicator
]
Fuel meter and grip/thumb warmer heat
_
level indicator Odometer/tripmeter
a
4-2
ESU00013
5-
CONTROL FUNCTIONS
ESU00256
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
A
2
The ignition circuit is switched on. The engine can be started.
NOTE:
@
The headlight, meter lights, and taillight will come on after the engine starts.
@
B
For SXV70ER/VT70
START”
3
The starting circuit is switched on. The starter motor starts.
CAUTION
@
:
Release the switch immediately after the engine starts.
@
SXV70M/SXV70S
È
SXV70ER/VT70
É
5-1
ESU00020
Starter lever (choke)
Use the starter lever (choke) when starting and warming up a cold engine.
Starter lever (choke)
1
When starting a cold engine.
2
Warming up
3
When the engine is warm.
4
NOTE:
@
Refer the Starting the engine section for proper opera­tion.
@
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.
@
ESU00023
Throttle override system (T.O.R.S.)
If the carburetor or throttle cable should malfunction 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 ignition and keep the engine revolution speed between 2,800 and 3,000 r/min if the carburetor fails to return to idle when the lever is released.
5-2
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
A
properly.
@
CA-01E
Switch
Mode
A
starting
Idle
or
B C
Run Trouble
Throttle switch Off On Off Carburetor switch On Off Off
B
Engine Run Run
Idle or starting
È
Run
É
Tr o u b l e
Ê
Carburetor switch
1
Throttle switch
C
2
Throttle cable
3
Throttle valve
4
On
a
Off
b
T.O.R.S. will operate
5-3
ESU03810
Speedometer unit
The speedometer unit is equipped with the following:
a digital speedometer (which shows 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) warning indicators (which show self-diagnosis, cool-
ant temperature, fuel level, and oil level warnings) a D.C. S. (Detonation Control System) indicator light
(which shows occurrences of abnormal combustion) a fuel meter (which shows the fuel remaining in the
fuel tank) a grip/thumb warmer heat level indicator (which
shows the heat level of the grip warmer or the thumb warmer)
After the engine is started, the tachometer 1 makes one sweep, the warning light 2 and all segments of the meter 3 turn on and off once, and the “D.C . S.” indicator light 4 flashes three times, and then goes off if there are no problems. The grip warmer heat level is initially displayed for 5 sec­onds, then switches to the fuel meter display.
Odometer and tripmeter modes
Pushing the select/reset button 5 switches the display between the odometer mode “ODO” and the tripmeter mode TRIP”. To reset the tripmeter, push the select/reset button for at least one second while the tripmeter is displayed.
NOTE:
@
To switch the speedometer, odometer, and tripmeter dis­plays between kilometers and miles, select the odometer mode “ODO”, and then push the select/reset button
5
for at least 10 seconds while the snowmobile is stopped.
@
5-4
ESU03630
High beam indicator light
The high beam indicator light 1 comes on when the high beams of the headlights are switched on. (See page 5-14 for headlight beam switch operation.)
ESU03820
Fuel meter and grip/thumb warmer heat level indicator
The fuel meter and grip/thumb warmer heat level indica­tor have eight segments 1 which show the amount of fuel remaining in the fuel tank, the heat level of the grip warmer, or the heat level of the thumb warmer.
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. The fuel meter reading changes as the snowmobile moves and depend­ing on the inclination of the snowmobile.
@
Grip/thumb warmer heat level indicator
The grip warmer adjustment switch 1 and the thumb warmer adjustment switch 2 control the electrically heated handlebar grips and throttle lever. To raise the temperature, press each switch to “HI”. To lower the temperature, press each switch to “LO”.
5-5
NOTE:
@
The grip warmer indicator 3 comes on and the dis-
play switches to the grip warmer heat level when the grip warmer adjustment switch is pressed. The thumb warmer indicator 4 comes on and the
display switches to the thumb warmer heat level when the thumb warmer adjustment switch is pressed. The grip/thumb warmer heat level is displayed for
5 seconds after releasing the grip/thumb warmer adjustment switch, then switches to the fuel meter. The top segment of the heat level indicator flashes
once if the grip/thumb warmer adjustment switches are continually pressed at the maximum level. The bottom segment of the heat level indicator flashes once if the grip/thumb warmer adjustment switches are continually pressed at the minimum level. When the engine is started, the grip/thumb heat lev-
els are set to the levels saved when the engine was stopped.
@
ESU00287
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. (See the table below for warning indicator, warning light and fuel meter segment flash pattern.) When this occurs, have a Yamaha dealer inspect the snowmobile as soon as possible.
CA-08E
Warning indicator, warning light, and fuel meter segments of the fuel meter flash pattern
12 8
0.5 s 3 s
0.5 s
· · ·
Warning indicator, warning light, and fuel meter segment flash continuously in this pattern.
: On : Off s: Second
5-6
ESU00288
Oil level warning indicator
If the oil level falls below the minimum level, the oil level warning indicator 1 and the warning light 2 come on. If the oil level warning indicator and the warning light come on, add engine oil to the oil tank at the first oppor­tunity.
ESU00289
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 page 6-2.)
Warning indicator and warning light flash pattern
12 8
0.5 s 3 s
0.5 s
: On : Off s: Second
CAUTION
@
:
Do not operate the engine if it overheats.
@
The coolant temperature warning indicator indicates a malfunctioning sensor, disconnected coupler, broken lead, or short circuit when detected by the self-diagnosis device of the snowmobile. The coolant temperature warning indicator and warning light warn the rider of the above problems by flashing continuously. (See the table below for warning indicator and warning light flash pattern.) When this occurs, have a Yamaha dealer inspect the snowmobile as soon as possible.
CA-09E
· · ·
Warning indicator and warning light flash continuously in this pattern.
5-7
ESU03830
Self-diagnosis warning indicator
The self-diagnosis warning indicator indicates a malfunc­tioning sensor, disconnected coupler, broken lead, etc., when detected by the self-diagnosis device of the snow­mobile. The self-diagnosis warning indicator 1 and warning light2 warn the rider of the above problems by flashing continuously. If necessary, ask a Yamaha dealer for fur­ther details. (See page 5-9 for warning indicator and warning light flash patterns.)
WARNING
@
If the self-diagnosis warning indicator and warn­ing light flash continuously during operation, there may be some problem with the electrical circuit, lead couplers, etc. (See page 5-9 for warn­ing indicator and warning light flash pattern num­bers 1–8.)
Stop the engine and allow it to cool off. Then, check that the wire harness couplers are con­nected properly in the engine compartment.
If the self-diagnosis warning indicator and warn­ing light flash after the engine has been started, note the flash pattern, and then have a Yamaha dealer inspect the snowmobile as soon as possi­ble.
@
5-8
3.5 s
4.5 s
5.5 s
6.5 s
7.5 s
CA-15E
· · ·
· · ·
· · ·
· · ·
· · ·
· · ·
Warning indicator and warning light flash continuously in this pattern.
Warning indicator and warning light flash continuously in this pattern.
Warning indicator and warning light flash continuously in this pattern.
Warning indicator and warning light flash continuously in this pattern.
Warning indicator and warning light flash continuously in this pattern.
Warning indicator and warning light flash continuously in this pattern.
Warning indicator and warning
· · ·
light flash continuously in this pattern.
Warning indicator and warning
· · ·
light flash continuously in this pattern.
No. Self-diagnosis warning indicator and warning light flash patterns
1
2
3
4
5
6
7
8
0.25 s
0.25 s
0.75 s
2.5 s
0.75 s
0.25 s
0.75 s
0.25 s
0.75 s
0.25 s
0.75 s
0.25 s
0.75 s
0.25 s
0.75 s
0.25 s 4 s
5 s
: On : Off s: Second
5-9
ESU03840
D.C.S. (Detonation Control System) indicator light
This snowmobile is equipped with a system which is able to detect and control engine detonations in order to pro­tect the engine from damage. The D. C.S. indicator light 1 flashes to inform the rider that the detonation control system has been activated. If a detonation is detected by the knock sensor, the sys­tem automatically adjusts the ignition timing for optimal firing, and the “D.C.S. ” indicator light flashes. The system helps protect the engine from detonation damage while the light is flashing. (See page 5-11 for “D.C. S.” indicator light flash pattern numbers 1 and 2.)
NOTE:
@
If the detonation level increases, the “D.C.S.” indica-
tor light flash pattern changes from pattern number 1 to pattern number 2. If excessive detonation levels continue, maximum engine speed is reduced to pro­tect the engine. Engine performance will decline according to the det-
onation level.
@
After detonation stops, the engine protection control is deactivated, and the “D.C. S.” indicator light goes off.
NOTE:
@
If the carburetor settings are not appropriate for the
operating conditions, detonations may occur. If the “D.C.S.” indicator light flashes continuously, it is
recommended to consult a Yamaha dealer.
@
5-10
· · ·
CA-16E
Light flashes continuously in this pattern.
No. D.C.S. indicator light flash patterns
1
0.5 s
0.5 s
2
0.2 s
0.2 s
· · ·
: On : Off s: Second
Light flashes continuously in this pattern.
5-11
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.
ESU00241
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.
For SXV70ER/SXV70S/VT70
The brake lever is equipped with a position adjuster. To adjust the brake lever position:
1. Loosen the locknut 1.
2. While lightly pushing the brake lever in direction a, finger tighten the adjusting bolt 2 to set the brake lever to the desired position.
3. Tighten the locknut securely after adjusting the brake lever.
5-12
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