10. DRIVE PULLEY/DRIVEN PULLEY/CLUTCH
10-2
MXU 500
SERVICE INFORMATION
GENERAL INSTRUCTIONS
xThe drive pulley, clutch and driven pulley can be serviced with the engine installed.
xAvoid 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.
xDo not apply grease to the movable drive face and weight rollers.
SPECIFICATIONS Unit: mm (in)
Ite
Service Limit
Drive belt width
34.1 (1.364) 30.8 (1.232)
Clutch shoe thickness
1.5 (0.06) 1 (0.04)
Driven pulley spring
124.3 (4.972) 121.3 (4.852)
Weight roller O.D.
29.9 (1.196)阡30.1 (1.204) 29.5 (1.18)
TORQUE VALUES
Drive pulley nut 14 kgf-m (140 N-m, 100.8 lbf-ft) Apply oil to the threads
Clutch nut 14 kgf-m (140 N-m, 100.8 lbf-ft)
Driven pulley nut 10 kgf-m (100 N-m, 72 lbf-ft) Apply oil to the threads
Driven pulley assembly plate nut 7.5 kgf-m (75 N-m, 54 lbf-ft)
SPECIAL TOOLS
Oil seal & bearing install A120E00014
Bearing puller A120E00037
Y-type holder A120E00056
Drive pulley holder A120E00058
Driven pulley spring compressor A120E00059
Lock nut wrench A120E00067
TROUBLESHOOTING
Engine starts but ATV won‘t move Lack of power
xWorn drive belt x Worn drive belt
xBroken ramp plate x Weak driven face spring
xWorn or damaged clutch lining x Worn weight roller
xBroken driven face spring x Faulty driven face
Engine stalls or ATV creeps
xBroken clutch weight spring
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