Periodic maintenance and adjustment8-27123456789101112EAU57971To adjust the drive chain slackConsult a Yamaha dealer before ad-justing the drive chain slack.1. Loosen the axle nut and the lock-nut on each side of the swingarm.2. To tighten the drive chain, turn thedrive chain slack adjusting bolt oneach side of the swingarm in direc-tion (a). To loosen the drive chain,turn the adjusting bolt on each sideof the swingarm in direction (b),and then push the rear wheel for-ward.TIPUsing the alignment marks and notchon each side of the swingarm, makesure that both drive chain pullers are inthe same position for proper wheelalignment.3. Tighten the axle nut, then the lock-nuts to their specified torques.4. Make sure that the drive chain pull-ers are in the same position, thedrive chain slack is correct, andthe drive chain moves smoothly.1. Axle nut2. Locknut121. Drive chain slack adjusting bolt1(a)(b)1. Notch2. Alignment marks3. Drive chain pullerTightening torques:Axle nut:150 N·m (15 kgf·m, 108 lb·ft)Locknut:16 N·m (1.6 kgf·m, 12 lb·ft)12 3