9. KICK STARTER/DRIVE PULLEY/ CLUTCH/DRIVEN PULLEY ATV 50 SERVICE INFORMATION GENERAL INSTRUCTIONS · Avoid getting grease and oil on the drive belt and pulley faces. SPECIFICATIONS Unit: mm (in) Item Standard Service Limit Drive pulley collar O.D. 20.01 (0.8004)20.025 (0.801) 19.97 (0.7988) Movable drive face I.D. 20.035 (0.8014)20.085 (0.8034) 20.24 (0.8096) Weight roller O.D. 13 (0.52) 12.4 (0.496) Clutch outer I.D. 107 (4.28)107.2 (4.288) 107.5 (4.3) Driven face spring free length 98.1 (3.924) 92.8 (3.712) Driven face O.D. 33.965 (1.3586)33.985 (1.3594) 33.94 (1.3576) Movable driven face I.D. 34 (1.36)34.25 (1.37) 34.4 (1.376) Drive belt width 17.5 (0.7) 16.5 (0.66) TORQUE VALUES Drive face nut 3.8 kgf-m (38 N-m, 27.4 lbf-ft) Clutch outer nut 3.8 kgf-m (38 N-m, 27.4 lbf-ft) Clutch drive plate nut 5.5 kgf-m (55 N-m, 39.6 lbf-ft) SPECIAL TOOLS Universal holder A120E00017 Clutch spring compressor A120E00034 Bearing outer driver A120E00037 Bearing driver pilot A120E00014 TROUBLESHOOTING Engine starts but motorcycle won`t move Poor performance at high speed or · Worn drive belt lack of power · Broken ramp plate · Worn drive belt · Worn or damaged clutch lining · Weak driven face spring · Worn weight roller · Faulty driven face Engine stalls or motorcycle creeps · Broken clutch weight spring 9-2