PERIODIC MAINTENANCE AND ADJUSTMENT7-261234567891011124. If the drive chain slack is incorrect,adjust it as follows.EAU34318To 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. NOTICE: Improper drivechain slack will overload the en-gine as well as other vital partsof the motorcycle and can leadto chain slippage or breakage.To prevent this from occurring,keep the drive chain slack with-in the specified limits.[ECA10572]TIPUsing the alignment marks on eachside of the swingarm, make sure thatboth drive chain pullers are in the sameposition for proper wheel alignment.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. Drive chain slack11. Axle nut2. Drive chain puller3. Drive chain slack adjusting bolt4. Locknut5. Alignment marks1 2 3 45(a)(b)Tightening torques:Axle nut:190 Nm (19 m·kgf, 137 ft·lbf)Locknut:16 Nm (1.6 m·kgf, 12 ft·lbf)2CR-9-E0_1.book 26 ページ ２０１５年１月５日 月曜日 午前１１時５４分
