Yamaha YZ250F(R) Owner's Service Manual page 199

CRANKCASE AND CRANKSHAFT
NOTE:
Tighten the crankcase tightening bolts in
stage, using a crisscross pattern.
NOTE:
Apply the lithium soap base grease on the O-
rings.
4 - 95
6. Tighten:
Hose guide 1
●
Clutch cable holder 2
●
Bolt (crankcase) 3
●
12 Nm (1.2 m · kg, 8.7 ft · lb)
7. Install:
Oil delivery pipe 2 1
●
O-ring 2
●
Bolt (oil delivery pipe 2) 3
●
10 Nm (1.0 m · kg, 7.2 ft · lb)
8. Install:
Timing chain 1
●
Timing chain guide (intake side) 2
●
Bolt (timing chain guide) 3
●
10 Nm (1.0 m · kg, 7.2 ft · lb)
9. Remove:
Sealant
●
Forced out on the cylinder mating sur-
face.
10. Apply:
Engine oil
●
To the crank pin, bearing and oil deliv-
ery hole.
11. Check:
Crankshaft and transmission operation.
●
Unsmooth operation → Repair.
ENG