Yamaha WR450F(R) Owner's Service Manual page 182

OIL FILTER, WATER PUMP AND CRANKCASE COVER
(RIGHT)
EC4G5220
Impeller shaft
1. Install:
Impeller shaft 1
G
Plain washer 2
G
Impeller 3
G
NOTE:
Take care so that the oil seal lip is not dam-
G
aged or the spring does not slip off its posi-
tion.
When installing the impeller shaft, apply the
G
engine oil on the oil seal lip, bearing and
impeller shaft. And install the shaft while
turning it.
Hold the impeller shaft on its width across
G
the flats a with spanners, etc. and install the
impeller.
Crankcase cover (right)
1. Install:
Dowel pin 1
G
O-ring 2
G
Collar 3
G
Gasket 4
G
2. Install:
Crankcase cover (right) 1
G
Bolt
G
NOTE:
Apply the engine oil on the impeller shaft
G
end.
When installing the crankcase cover onto the
G
crankcase, be sure that the impeller shaft
end 2 aligns with the balancer end slot 3.
Tighten the bolts in stage, using a crisscross
G
pattern.
4 - 59
ENG
14 Nm (1.4 m · kg, 10 ft · lb)
New
10 Nm (1.0 m · kg, 7.2 ft · lb)