9. DRIVE AND DRIVEN PULLEYS Mongoose/KXR 90/50 INSPECTION Check each weight roller for wear or damage. Measure each weight roller O.D. Service Limit: 15.4mm replace if below. Measure the movable drive face bushing I.D. Service Limit: Mongoose/KXR 90: 24.06mm over Mongoose/KXR 50: 20.06mm over ASSEMBLY Install the weight rollers into the movable drive face. Install the ramp plate. Check the drive pulley collar for wear or damage. Measure the O.D. of the drive pulley collar sliding surface. Service Limit: Mongoose/KXR 90: 23.94mm below Mongoose/KXR 50: 19.98mm below INSTALLATION Install the drive pulley face assembly and collar. Install the drive pulley, starting ratchet and nut. When installing the drive pulley face, compress it to let the drive belt move downward to the lowest position so that the drive pulley can be tightened. Do not get oil or grease on the drive belt or pulley faces. Torque: Mongoose/KXR 90: 5.56.5kgf-m Mongoose/KXR 50: 3.54.5kgf-m 9-8