2002 Yamaha YFM660 Grizzly factory service and repair manual, Page 179Get this manual

2002 Yamaha YFM660 Grizzly factory service and repair manual, Page 179

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CYLINDER AND PISTON
Calculate

the piston pin-to-piston clearance with the following formula
Piston pin-to-piston clearanceBore size (piston pin) Outside diameter (piston pin)