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3. MAINTENANCE
SERVICE INFORMATION
3-
1
DRIVE CHAIN
MAINTENANCE
SCHEDULE
3-3
BRAKE
SHOE
WEAR
FUEL LINE
3-4
BRAKE
SYSTEM
FUEL STRAINER SCREEN
3-4
CLUTCH SYSTEM
THROTTLE
OPERATION
3-4
SIDE STAND
AIR CLEANER
3-5
SUSPENSION
SPARK
PLUG
3-6
SPARK ARRESTER CLEANING
VALVE CLEARANCE
3-6
NUTS
/BOLTS
/FASTENERS
IGNITION TIMING
3-7
WHEElSITIRES
CYLINDER COMPRESSION
3-7
STEERING
HEAD BEARINGS
CARBURETOR IDLE SPEED
3 -8
SERVICE INFORMATION
GENERA
L
•
The following inspections and adjustments are included in the lubrication
section
.
- Engine oil
See page 2-
2
-
Engine oil filter rotor and Screen
See page 2-2
SPE
CIFICAT IONS
Throttle grip free play
2-
6 mrn 11
/
8
-
1/4 in)
Spark plug
'S8 NGK: CA6 HS
After '88 NGK: CR6HSA
'S8 and After 'S8 NIPPQNDENSO: U20FSR
-
U
Spark plug gap
0 .6-0.7 mm
(0.024-
0.028 inl
ignition liming
27"
BlOC
Valve clearance: cold
0 .05 mm 10.002 in)
Idle speed
1,700
± ,
00 rpm
Cylinder compression
981
-
1,
177 kPa
(10-
12 kg /em
2
,
142.2-
' 70.6 psi)
Drive chain slack
Front brake lever free play
Rear brake pedal free play
Cold Tire Pressure:
kPa (kg /cm
2
·psi)
15-
25
mm
(5/8
-
1
in
)
10-
20
mm
13/8
-
3/4
in
)
10-
20
rnm
13/8
-
3 /4
in
)
Front:
1 00
(1.0,
15
)
Rear: 125 (1
.25,
18)
Tire size
Front: 3.50-8
-
2PR
Rear:
3.50-
8
-
2PR
3-8
3
-9
3-
10
3-
11
3-
11
3-11
3-12
3-12
3-13
3
-13
3-1
11
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