HER CHEE 2002 ATV-320 S, Service Manual

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Chapter 1 Engine, Transmission & Gear
I-39
Drive Pulley/Clutch/Driven Pulley Service Information
GENERAL
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The drive pulley, clutch and driven pulley can be service with the engine installed.
。
Avoid getting grease and oil on the drive belt and pulley faces.
SPECIFICATION
ITEM STANDARD mm (in) SERVICE LIMIT mm (in)
Moveable drive face bushing I.D. 27.000-27.021 (1.0630-1.0638) 27.06 (1.065)
Drive face boss O.D. 26.970-26.990 (1.0618-1.0628-6) 26.94 (1.061)
Drive belt width 23.8-24.3 (0.937-0.957) 23.0 (0.9055 )
Clutch lining thickness --- 0.5 (0.02)
Clutch outer I.D. 153.0-153.3 (6.023-6.035) 153.5 (6.043)
Driven face spring free length 114.8 (4.520) 110.0 (4.33)
Driven face O.D. 40.96-40.98 (1.612-1.613) 40.92 (1.611)
Moveable driven face I.D. 41.00-41.04 (1.614-1.616) 41.06 (1.617)
Weight roller O.D. 23.0-23.2 (0.906-0.913) 22.4 (0.8819)
Drive/Driven face depth --- 0.40 (0.016)
Torque Values
Left crankcase cover bolt
8-12 N.m (6-9 ft.lb)
Drive face nut 90-100 N.m (65-72 ft.lb)
Clutch outer nut 50-60 N.m (36-43 ft.lb)
Moveable driven face nut 70-90 N.m (51-65 ft.lb)
Troubleshooting
Engine starts but vehicle won’t move
。
Worn or damaged drive belt
。
Damaged ramp plate
。
Worn or damaged clutch lining
Engine stalls or vehicle creeps
。
Broken clutch weight spring
Poor performance at high speed or lack of power
。
Worn drive belt
。
Weak driven face spring
。
Faulty driven face