Yamaha MT-03 Service Manual

Also see for MT-03: Owner's manual Owner's manual Owner's manual

5-47BALANCER DRIVEN GEARREMOVING THE BALANCER DRIVENGEAR AND BALANCER DRIVE GEAR1. Straighten the lock washer tab.2. Loosen:• Balancer driven gear nut “1”• Primary drive gear nut “2”NOTE:Place an aluminum plate “a” between the teethof the balancer driven gear “3” and balancerdrive gear “4”.3. Remove:• Balancer driven gear• Water pump drive gear• Primary drive gear• Balancer drive gearCHECKING THE BALANCER DRIVENGEAR, WATER PUMP DRIVE GEAR,PRIMARY DRIVE GEAR, AND BALANCERDRIVE GEAR1. Check:• Balancer driven gear• Balancer drive gear• Water pump drive gear• Primary drive gearDamage/wear → Replace.342a134aINSTALLING THE BALANCER DRIVENGEAR AND BALANCER DRIVE GEAR1. Install:• Washer• Balancer drive gear “1”• Straight key “2”• Balancer driven gear “3”• Straight key• Primary drive gear• Water pump drive gearNOTE:• Align the punch mark “a” on the balancerdrive gear with the punch mark “b” on the bal-ancer driven gear.• Install the key with its blunt surface facing “c”the crankshaft.2. Install:• Lock washer “1”• Primary drive gear nut “2”New2c312abPrimary drive gear nut80 Nm (8.0 m·kg, 58 ft·lb)• Lock washer “3”• Balancer driven gear nut “4”NewBalancer driven gear nut70 Nm (7.0 m·kg, 50 ft·lb)