2002 Yamaha YFM660 Grizzly factory service and repair manual, Page 217Get this manual

2002 Yamaha YFM660 Grizzly factory service and repair manual, Page 217

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CRANKSHAFT AND OIL PUMP
CHECKING THE OIL PUMP 1.Check: Rotor housings Rotor cover Cracksweardamage Replace
2.Measure: Tip clearance (between the inner rotor and the outer rotor 2) Side cle