9. DRIVE AND DRIVEN PULLEYS Mongoose/KXR 90/50 TORQUE VALUES Drive face nut 5.56.5kgf-m (Mongoose/KXR 90) 3.54.5kgf-m (Mongoose/KXR 50) Clutch outer nut 3.54.5kgf-m Drive plat nut 5.06.0kgf-m SPECIAL TOOLS Universal holder E017 Clutch spring compressor E034 Bearing puller E037 Oil seal and bearing install E014 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 · Fouled drive face Engine stalls or motorcycle creeps · Broken clutch weight spring 9-3