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10. DRIVE PULLEY/DRIVEN PULLEY/CLUTCH
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.
• Do not apply grease to the movable drive face and weight rollers.
SPECIFICATIONS
Item
Drive belt width
Clutch shoe thickness
Driven pulley spring
Weight roller O.D.
TORQUE VALUES
Drive pulley nut
Clutch nut
Driven pulley nut
Driven pulley assembly plate nut
SPECIAL TOOLS
Oil seal & bearing install
Bearing puller
Y-type holder
Drive pulley holder
Driven pulley spring compressor
TROUBLESHOOTING
Engine starts but ATV won't move
• Worn drive belt
• Broken ramp plate
• Worn or damaged clutch lining
• Broken driven face spring
Engine stalls or ATV creeps
• Broken clutch weight spring
Standard
34.1 (1.364)
1.5 (0.06)
124.3 (4.972)
29.9 (1.196)～30.1 (1.204)
14 kgf-m (140 N-m, 100.8 lbf-ft) Apply oil to the threads
14 kgf-m (140 N-m, 100.8 lbf-ft)
10 kgf-m (100 N-m, 72 lbf-ft)
7.5 kgf-m (75 N-m, 54 lbf-ft)
A120E00014
A120E00037
A120E00056
A120E00058
A120E00059
Lack of power
• Worn drive belt
• Weak driven face spring
• Worn weight roller
• Faulty driven face
UXV 500
Unit: mm (in)
Service Limit
30.8 (1.232)
1 (0.04)
121.3 (4.852)
29.5 (1.18)
Apply oil to the threads
10-2
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