2010 Yamaha Motorsports V Star 250 Owners Manual - Page 59
2010 Yamaha Motorsports V Star 250 Manual
Page 59 highlights
PERIODIC MAINTENANCE AND ADJUSTMENT 2. Remove the cotter pin from the axle nut, and then loosen the axle nut. 3. Loosen the chain puller locknut at each end of the swingarm. 4. To tighten the drive chain, turn the drive chain slack adjusting nut at each end of the swingarm in direction (a). To loosen the drive chain, turn the adjusting nut at each end of the swingarm in direction (b), and then push the rear wheel forward. NOTICE: Improper drive chain slack will overload the engine as well as other vital parts of the motorcycle and can lead to chain slippage or breakage. To prevent this from occurring, keep the drive chain slack within the specified limits. [ECA10571] TIP Using the alignment marks on each side of the swingarm, make sure that both chain pullers are in the same position for proper wheel alignment. 1. Brake pedal free play adjusting nut 6 1. Drive chain slack 4. If the drive chain slack is incorrect, adjust it as follows. EAU22861 To adjust the drive chain slack 1. Loosen the brake pedal free play adjusting nut. 1. 2. 3. 4. 5. 6. Axle nut Axle nut cotter pin Chain puller locknut Drive chain slack adjusting nut Alignment marks Drive chain puller 5. Tighten the locknuts, and then tighten the axle nut to the specified torque. Tightening torque: Axle nut: 104 Nm (10.4 m·kgf, 75 ft·lbf) 7 6. Insert a new cotter pin into the axle nut, and then bend its ends as shown. WARNING! Always use a new cotter pin for the axle nut. [EWA10701] 7-24