4-70
CRANKCASE AND CRANKSHAFT
ENG
3. Install:
9
O-ring
1
To crankcase (right)
2
.
5. Install:
9
Dowel pin
1
9
Crankcase (right)
2
To crankcase (left)
3
.
NOTE:
9
Fit the crankcase (right) onto the crankcase
(left). Tap lightly on the case with soft hammer.
9
When installing the crankcase, the connecting
rod should be positioned at TDC (top dead
center).
c
C
In order to prevent the oil seal lip
a
a
from
being turned up or damaged, wrap a vinyl
tape or the like
b
b
around the right end of
the crankshaft and apply the lithium soap
base grease over the tape.
NOTE:
Clean the contacting surface of crankcase (left
and right) before applying the sealant.
4. Apply:
9
Sealant
On the crankcase (right)
1
.
Yamaha bond No. 1215
(ThreeBond
®
No. 1215):
90890-85505
2. Check:
9
Shifter operation
9
Transmission operation
Unsmooth operation
→
Repair.
1P8-9-32-4c 5/1/06 10:47 AM Page 42
Summary of Contents for YZ250(W)/W1
Page 78: ...2 11 MAINTENANCE SPECIFICATIONS SPEC MEMO...
Page 594: ...TUN MEMO...