Yamaha YFZ450S 2003 Service Manual page 214

CRANKCASE
4. Fit the right crankcase onto the left crank-
case. Tap lightly on the case with a soft
hammer.
CAUTION:
_
Before installing and torquing the crank-
case holding bolts, be sure to check
whether the transmission is functioning
properly by manually rotating the shift
drum in both directions.
5. Install:
• hose guide 1
1
• crankcase bolts
6. Tighten:
• crankcase bolts
(follow the proper tightening sequence)
NOTE:
_
Tighten the bolts in stages, using a crisscross
pattern.
7. Apply:
• 4-stroke engine oil
(to the crankshaft pin, bearing and oil deliv-
ery hole)
8. Check:
• crankshaft and transmission operation
Unsmooth operation → Repair.
4 - 71
ENG
12 Nm (1.2 m · kg, 8.7 ft · lb)