Yamaha WR450F Owner's Manual page 54

PERIODIC MAINTENANCE AND ADJUSTMENT
TIP
Skip steps 8–10 if the oil filter element
is not being replaced.
1
8. Remove the oil filter element cover
by removing the bolts.
2
1
3
4
2
5
6
1. Oil filter element cover
2. Oil filter element cover bolt
7
9. Remove and replace the oil filter
element and O-rings.
8
9
3
3
2
1
3
1. Oil filter element cover
2. Oil filter element
3. O-ring
10. Install the oil filter element cover by
installing the bolts, and then tight-
en the bolts to the specified torque.
Tightening torque:
Oil filter element cover bolt:
10 Nm (1.0 m·kgf, 7.2 ft·lbf)
TIP
Make sure that the O-rings are properly
seated.
11. Install the engine oil drain bolts
and their new gasket, and then
tighten the bolts to the specified
torques.
6-11
Tightening torques:
Engine oil drain bolt (oil tank):
20 Nm (2.0 m·kgf, 14 ft·lbf)
Engine oil drain bolt (crank case):
20 Nm (2.0 m·kgf, 14 ft·lbf)
Engine oil filter element drain bolt:
10 Nm (1.0 m·kgf, 7.2 ft·lbf)
12. Refill with the specified amount of
the recommended engine oil, and
then install and tighten the engine
oil tank cap and the oil filler cap.
Recommended engine oil:
See page 8-1.
Oil quantity:
Without oil filter element replace-
ment:
0.95 L (1.00 US qt, 0.84 Imp.qt)
With oil filter element replacement:
1.00 L (1.06 US qt, 0.88 Imp.qt)
TIP
Be sure to wipe off spilled oil on any
parts after the engine and exhaust sys-
tem have cooled down.
NOTICE

In order to prevent clutch slip-
page (since the engine oil also
lubricates the clutch), do not
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