8. DRIVE AND DRIVEN PULLEYS/
V-BELT
8-2
Downtown 300i ABS
SERVICE INFORMATION
GENERAL INSTRUCTIONS
• The drive pulley, clutch and driven pulley can be serviced with the engine installed.
• Avoid getting grease and oil on the drive belt and pulley faces. Remove any oil or grease from
them to minimize the slipping of drive belt and drive pulley.
SPECIFICATIONS
Item
Standard (mm) Service Limit (mm)
Clutch lining thickness
4.0 2.0
Clutch outer I.D.
152.1～152.2 152.2
Weight roller O.D
19.92～20.08 20
TORQUE VALUES
Drive face nut 9.5 kgf-m (93.1 N-m) Apply oil
Clutch outer nut 5.5 kgf-m (54 N-m)
Clutch drive plate nut 5.5 kgf-m (54 N-m)
SPECIAL TOOLS
Universal holder E017
Clutch spring compressor/#41 Nut & Fitting E053 & E028
TROUBLESHOOTING
Engine starts but motorcycle won‘t move Lack of power
• Worn drive belt • Worn drive belt
• Broken ramp plate • Weak driven face spring
• Worn or damaged clutch lining • Worn weight roller
• Broken driven face spring • Faulty driven face
Engine stalls or motorcycle creeps
• Broken clutch weight spring
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