Yamaha YZ250N Owner's Service Manual page 348

CRANKCASE AND CRANKSHAFT
4-69
3. Install:
9O-ring 1
To crankcase (right) 2.
4. Apply:
9Sealant
On the crankcase (right) 1.
Quick gasket
ACC-QUICK-GS-KT
Yamaha bond No. 1215:
90890-85505
NOTE:
Clean the contacting surface of crankcase (left
and right) before applying the sealant.
5. Install:
9Dowel pin 1
9Crankcase (right) 2
To crankcase (left) 3.
NOTE:
9Fit the crankcase (right) onto the crankcase
(left). Tap lightly on the case with soft hammer.
9When installing the crankcase, the connecting
rod should be positioned at TDC (top dead
center).
6. Install:
9Bolt (crankcase) 1
NOTE:
Tighten the crankcase tightening bolts in stage,
using a crisscross pattern.
ENG
®
:
14 Nm (1.4 m•kg, 10 ft•lb)