PERIODIC MAINTENANCE AND MINOR REPAIR6-286EAU22730Changing the brake fluidHave a Yamaha dealer change thebrake fluid at the intervals specified inthe NOTE after the periodic mainte-nance and lubrication chart. In addition,have the oil seals of the master cylin-ders and calipers as well as the brakehoses replaced at the intervals listedbelow or whenever they are damagedor leaking. Oil seals: Replace every twoyears. Brake hoses: Replace every fouryears.EAU22760Drive chain slackThe drive chain slack should bechecked before each ride and adjustedif necessary.EAU22770To check the drive chain slack1. Place the motorcycle on a levelsurface and hold it in an upright po-sition.NOTE:When checking and adjusting the drivechain slack, the motorcycle should bepositioned straight up and there shouldbe no weight on it.2. Shift the transmission into the neu-tral position.3. Move the rear wheel by pushingthe motorcycle to locate the tight-est portion of the drive chain, andthen measure the drive chain slackas shown.4. If the drive chain slack is incorrect,adjust it as follows.EAU22930To adjust the drive chain slack1. Loosen the axle nut, then loosenthe locknut at each end of theswingarm.2. To tighten the drive chain, turn theadjusting nut at each end of theswingarm in direction (a). To loos-en the drive chain, turn the adjust-ing nut at each end of theswingarm in direction (b), and thenpush the rear wheel forward.Drive chain slack:20.0–30.0 mm (0.79–1.18 in)1. Drive chain slackU5AH19E0.book Page 28 Thursday, May 13, 2004 4:23 AM
