•
YAMAHA
SNOWMOBILE
Frame
[
Engine
LIT
-12618-00-24
serial number: 8J6-025101
serial number: E338-025101 ~ E338-039999
~
8J6-039999 ]
8J6-28197-10
c
1.
NEW
SERVICE PROCEDURE ..............................................................
MAINTENANCE
2.
SPECiFiCATIONS .
3.
4.
SPECIAL TOOLS .....................................
5.
WIRING
6. WIRE
1.
NEW
(New
service procedure applied
SERVICE
CARBURETOR
1.
To achieve
main
nozzl
fitted
to
accordingly the main nozzle
removed.
the
the
e,
the
mixing
precise
CONTENTS
INTERVALS
DIAGRAM
AND
PIPE
.............
ROUTING
....
............................................
PROCEDURE
to
the
1980
fitting
main nozzle is press-
chamber body, and
of
cannot
the
be
....
......
....
..................................
.......
..........................................
.....
...
............
....
DIAGRAM
ET340D)
.... ..
......................
................... 2
....
................
...
............................. 9
....
....
..........................
......................
....
..
.
10
11
4
1980
ET340D
c
c
c
[Main
~
Altitude
Sea
level
~
600m
~
1200m
~
1800m
~
2400m
jet
setting
(2000
(4000
(6000
(8000
ft)
chart]
ft)
ft)
ft)
-#24
2. For better performance, the recommended
more effective at
-3
0° C
(-22°F)
I I I I I I
..
#
250
20
°C -
(-4°F)
..
10°C
(14°F)
#240
(Std)
..
#240
(Std)
..
#
220
.
.
#2
20
..
..
#210
type
ooe
(32°
..
..
#210
*
..
F)
..
of
the main
alititudes is changed .
10
°C
(50°F)
.
#220
.-
..
#200
#220
#
210
*
jet
20
°C
(68°
.
#200_
*
--#190
which
F)
is
~
3000m
or more
(10000
ft)
f--
-1
#200
-
-
*
#190
..
Newly
changed specification.
1980 ET340D
2.
MAINTENANCE
INTERVALS
[PERIODIC
ENGINE:
Tightness
Bends. cracks and
Abnormal noise
Loose connection and breaks
Loose connection and breaks
Loose connection and breaks
Manual rope starter system
Carburetor
Operation
•
Mixing
•
Idling speed adjustment
•
Operation and adjustment
Ignition
Cylinder compressions
Cylinder head/exhaust pipe decarbonize
Spark plug condition. gap and cleaning
Tightening
DRIVE:
Tightness
Wear on slide runners
Primary drive system
V-belt
Secondary drive system
Sheave distance
Sheave offset
Brake pad
Brake operation and adjustment
Guide wheel rubber
Wear
Drive track adjustment
Breaks in drive track
Bends in front and rear axles
Checking
Drive chain
Drive chain oil level
BODY:
Tightness
Bends and cracks
Welded riveted.
Ski adjustment
Ski runner
Breaks in fuel tank a
Cleaning
Fuel filter
Loose connection and breaks in fuel pipe
Breaks in oil tank
Oil filter
MAINTENANCE]
20
hrs. or
400
(250
km
mil
a
a
of
bolts and nuts
wear
Check point
a
a
a
of
starter jet
adjuster (pilot screw)
timing
of
fuel and pulse pipes
of
oil pipes a
of
oil delivery pipe
of
oil
pump
a a
of
the cylinder
of
bolts and nuts
head**
a
a
a
wear
of
drive track wheel sprocket a
of
lock washers
adjustment
of
bolts and nuts
a
a
wear
of
fuel tank
joints
a
a
Every
40
hrs. or
800km
(500mi)
80
hrs or
1600
km
(1000mi)
When
necessary
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a a
a a
a
a
a
a
Seasonally
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
)
-2
-
20
Check
point
ELECTRICAL:
Wear. breakage
Breaks in high -tension cord
Voltage regulator working
Operation
Operation
Headlight
Taillight 0
Brake
light
••
Retighten
of
of
every
of
engine
tether
10
hours
wire
cove ring 0
voltage
stop
switch
switch
from the first use.
400
(250
hrs.
0
km
mil
or
Every
40
hrs.
800
(500mi)
0
0
0
0
km
or
80
hrs
1600
km
(1000mi)
or
When
necessary
1980 ET340D
Seasonally
0
0
0
0
0
0
0
0
[LUBRICATION
Lubrication
ENGINE :
Starter
Oil
pump
Pump
Oil in the oil tank
DRIVE :
Primary sheave
roller
and
Secondary shaft
sliding sheave
Front
Shaft
(Slide rail)
Drive chain oil
replacement
BODY:
Steering
bearing
Steering
bearing
Steering links
Ski
column
Ski
wear
Ski retaining
8rake
and brake
point
case 0
con trol box
drive cover 0 0
weight
pins
and
axle
housing
1 and
shaft
2
column
lower
column upper
plate
pin
wire
end
stopper
lever
INTERVALS]
20
hrs. or
400
km
(2
50
mil
Every
40
hrs. or
800
(
500mi)
km
80
1600
(1000
hrs
km
mil
When
or
necessary Brand name
0
0 YAM.A.LUBE 2-cycle oil
0 0
0
0
0
0 0
0
0
0
0
0
0
0
Seasonally
0
0
0
0
0
0
0
0
0
0
0
Oil/Grease
Aeroshell grease #7 A
Esso Beac
Molybdenum
snowmobile
Molybdenum
snowmobi
Light all-purpose grease
Gear oil
SAE #
Light
Motor
Light
Esso Beacon
on
325
grease
disulfide
grease
disulfide
le grease
API
"GL
-3"
75
or
#BO
all-purpose grease
oil
all-purpose
325
grease
grease
or
- 3 -
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