2002-2006 Yamaha YFR450FAR Service Manual LIT-11616-16-01, Page 265Get this manual
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REAR AXLEFINAL DRIVE GEAR AND DRIVE SHAFT
Reduce shim thicknessIncrease shim thickness
increased by more than 0.2 mm (0.008 in): Reduce the thrust washer thickness by 0.2 mm (0.008 in) for