Yamaha Motor YZ250 N/LC 2001 Manuel D'atelier Du Proprietaire page 346

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CRANKCASE AND CRANKSHAFT
B
EC4N5102
Oil seal
1. Install:
9Oil seal (left) 1
9Oil seal (right) 2
NOTE:
9Apply the lithium soap base grease on the oil
seal lip.
9Install the oil seal with its manufacture's marks
or numbers facing outward.
EC4N5282
Crankshaft
1. Install:
9Crankshaft 1
Use the crankshaft installing tool 2, 3, 4.
Crankshaft installing tool:
Pot 2:
Bolt 3:
Adapter 4: YM-1277/90890-01277
å For USA and CDN
∫ Except for USA and CDN
NOTE:
9Hold the connecting rod at top dead center with
one hand while turning the nut of the installing
tool with the other. Operate the installing tool
until the crankshaft bottoms against the bear-
ing.
9Before installing the crankshaft, clean the con-
tacting surface of crankcase.
9Apply the lithium soap base grease on the oil
seal lip.
cC
Do not use a hammer to drive in the crank-
shaft.
2. Check:
9Shifter operation
9Transmission operation
Unsmooth operation
4-68
ENG
YU-90050/90890-01274
YU-90050/90890-01275
Repair.

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