Yamaha YW125Y_ Utility Trailer User Manual


 
ENG
5-67
3. Measure:
8crankshaft width
Out of specification JReplace the crank-
shaft.
Crankshaft width
45.45 ~ 45.50mm (1.789 ~ 1.791in)
4. Check:
8crankshaft sprocket 1
Damage/wear JReplace the crankshaft.
8bearing 2
Cracks/damage/wear J Replace the
crankshaft.
8oil pump drive gear 3
Damage/wear J Replace the crankshaft.
EAS00399
CHECKING THE CRANKCASE
1. Thoroughly wash the crankcase halves in
a mild solvent.
2. Thoroughly clean all the gasket surfaces
and crankcase mating surfaces.
3. Check:
8crankcase
Cracks/damage J Replace.
8oil delivery passages
Obstruction J Blow out with compressed
air.
CRANKSHAFT
5. Check:
8crankshaft journal
Scratches/wear J Replace the crank-
shaft.
8crankshaft journal oil passage
Obstruction J Blow out with compressed
air.
1
2
2
3
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