2001 Yamaha YFM660 Raptor Factory Service Manual, Page 247Get this manual

2001 Yamaha YFM660 Raptor Factory Service Manual, Page 247

CRANKCASE

CHECKING THE CRANKCASE 1.Thoroughly wash the case halves in mild solvent2.Clean all the gasket mating surfaces and crankcase mating surfaces thoroughly3.Check: Crankcase Cracksdamage ReplaceOil delivery passages Clogged Blow out with compressed air

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