Yamaha YW50P Service Manual page 112

CRANKSHAFT I ENG I{ ll
C R A N K S H A F T I N S T A L L A T I O N
1. Attach:
• Crankshaft Installing Tool
Q
Crankshaft installation set (~
YU-90050
Crankshaft installer adapter
(M10) ~)
YU-90062
2. Install:
• Crankshaft ®
(to the crankcase (~)
CAUTION:
To avoid scratching the crankshaft and to ease
the installation procedure, lubricate the oil seal
lips w i t h grease and each bear-ing w i t h engine
oil.
NOTE:
Hold the connecting rod at t o p dead center
(TDC) w i t h one hand w h i l e t u r n i n g the nut of
the crankshaft installing tool w i t h the other.
Turn the crankshaft installing tool until the
crankshaft assembly b o t t o m s against the bear-
ing.
i ~ P
J
.
Install:
• Oil seal (~
• A p p l y lithium soap base grease onto
the oil seal lip.
Use the guide (~ and seal d r i v e r ~) to
install the oil seal
Oil seal driver
YM-1410
Oil seal guide
YM-1409
4-40