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ENG
CRANKCASE
CHECKING THE CRANKCASE
1.Thoroughly wash the case halves in a mild
solvent.
2.Clean all the gasket mating surfaces and
crankcase mating surfaces thoroughly.
3.Check:
●
Crankcase
Cracks/damage → Replace.
●
Oil delivery passages
Clogged → Blow out with compressed air.
CHECKING THE BEARINGS
1.Check:
●
Bearings
Clean and lubricate, then rotate the inner
race with a finger.
Roughness → Replace.
ASSEMBLING THE CRANKCASE
1.Apply:
●
Sealant (Quick Gasket
®
) 1
(to the mating surfaces of both case halves)
2.Install:
●
Dowel pins 2
Sealant (Quick Gasket
®
):
P/N. ACC-11001-05-01
Yamaha bond No. 1215:
P/N. 90890-85505
3.Fit the left crankcase onto the right case. Tap
lightly on the case with a soft hammer.
CAUTION:
Before installing and torquing the
crankcase holding bolts, be sure to check
whether the transmission is functioning
properly by manually rotating the shift cam
in both directions.