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8-2 Maintenance Description
Precautions in Operation
General Information
y
Drive face, clutch outer, and driven pulley can be serviced on the motorcycle.
y
Drive belt and drive pulley must be free of grease.
Specification
Item Standard
value
Limit
Driving belt width
24.000 mm
22.500 mm
OD of movable drive face boss
29.946~29.980 mm
29.926 mm
ID of movable drive face
30.000~30.040 mm
30.060 mm
OD of weight roller
19.500~20.000 mm
19.000 mm
ID of clutch outer
144.850~145.150 mm
145.450 mm
Thickness of clutch weight
6.000 mm
3.000 mm
Free length of driven pulley spring
102.400 mm
97.400 mm
OD of driven pulley boss
40.950~40.990 mm
40.930 mm
ID of driven face
41.000~41.050 mm
41.070 mm
Weight of weight roller
17.700~18.300 g
17.200 g
Torque value
y
Drive face nut: 8.5~10.5kgf-m
y
Clutch outer nut: 5.0~6.0kgf-m
y
Drive plate nut: 5.0~6.0kgf-m
Special Service Tools
Clutch spring compressor:
SYM-2301000
Inner bearing puller:
SYM-6204002
Clutch nut wrench 39 x 41 mm:
SYM-9020200
Universal holder:
SYM-2210100
Bearing driver:
SYM-9100100
8-3 Trouble Diagnosis
Engine can be started but motorcycle can
not be moved
1. Worn drive Belt
2. Worn drive face
3. Worn or damaged clutch weight
4. Broken driven pulley
Shudder or misfire when driving
1. Broken clutch weight
2. Worn clutch weight
Insufficient horsepower or poor high
speed performance
1. Worn drive belt
2. Insufficient spring force of driven pulley
3. Worn roller
4. Driven pulley operation un-smoothly
Summary of Contents for ET300 - SERVICE
Page 1: ...1 ET 300 Service Manual ...
Page 142: ...REAR BRAKE ...
Page 160: ......
Page 161: ...17 8 Wiring Diagram ...