2003 2005 YFM45FAR, YFM450FAR Kodiak OEM Service Manual, Page 193Get this manual
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 ReplaceG Oil delivery passages Clogged Blow out with compressed airCHECKING THE BEARINGS 1.Check: Bearing Clean and lubricate, then rotate the inner race with fingerRoughness Replace
ASSEMBLING THE CRANKCASE 1.Apply: Sealant (Quick Gasket(to the mating surfaces of both case halves) Sealant (Quick Gasket): PNACC-11001-05-01 Yamaha bond No1215: PN90890-85505 2.Install: Dowel pin 2