2002 Yamaha YFM660 Grizzly factory service and repair manual, Page 236Get this manual

2002 Yamaha YFM660 Grizzly factory service and repair manual, Page 236

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MIDDLE GEAR To
find shim thickness "B" use the following formula: Middle driven pinion gear shim thickness: "B"+0.05

Where:numeral (usually decimal number) on the bearing housing is