Installing The Crankshaft; Assembling The Crankcase - Yamaha XF50W Service Manual

CRANKSHAFT
EAS00408

INSTALLING THE CRANKSHAFT

1. Install:
8timing chain guide (intake side)
8timing chain1
8crankshaft assembly2
NOTE:
Install the timing chain so it is not visible through
the opening in the left crankcase 3 .
cC
To avoid scratching the crankshaft and to
ease the installation procedure, lubricate the
oil seal lips with lithium-soap-based grease
and each bearing with engine oil.
NOTE:
Put the timing chain in parallel into the crank-
case, then use hands to place the crankshaft
assembly into the crankcase. Manually rotate
the crankshaft to check whether it is tightly en-
gaged with the timing chain. (if not, install again)
EAS00418

ASSEMBLING THE CRANKCASE

1. Thoroughly clean all the gasket mating sur-
faces and crankcase mating surfaces.
2. Apply:
8sealant
(onto the crankcase mating surfaces)
Yamaha bond No. 1215
90890-85505
Sealant (Quick Gasket
ACC-11001-05-01
NOTE:
Do not allow any sealant to come into contact
with the oil gallery.
5-72
®
)