Yamaha YZ450F Manuel D'atelier Du Proprietaire page 182

ENGINE OIL REPLACEMENT
6. If the oil filter is to be replaced during this
oil change, remove the following parts
and reinstall them.
Replacement steps:
Remove the exhaust pipe.
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Remove the oil filter cover 1 and oil filter
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element 2.
Check the O-rings 3, if cracked or dam-
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aged, replace them with a new one.
Install the oil filter element and oil filter
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cover.
7. Install:
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8. Install:
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9. Fill:
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10. Install:
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11. Inspect:
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Oil filter cover:
10 Nm (1.0 m • kg, 7.2 ft • lb)
Plain washer 1 New
Oil strainer (frame) 2
90 Nm (9.0 m · kg, 65 ft · lb)
Engine oil hose 3
Bolt (engine oil hose) 4
10 Nm (1.0 m · kg, 7.2 ft · lb)
Engine oil hose clamp 5
2 Nm (0.2 m · kg, 1.4 ft · lb)
Engine skid plate
Gaskets
New
Oil filter drain bolt
10 Nm (1.0 m · kg, 7.2 ft · lb)
Drain bolt (crankcase rear)
20 Nm (2.0 m · kg, 14 ft · lb)
Drain bolt (crankcase left)
10 Nm (1.0 m · kg, 7.2 ft · lb)
Drain bolt (frame)
23 Nm (2.3 m · kg, 17 ft · lb)
Crankcase
Oil quantity:
Total amount:
1.2 L (1.06 Imp qt, 1.27 US qt)
Periodic oil change:
1.0 L (0.88 Imp qt, 1.06 US qt)
With oil filter replacement:
1.1 L (0.97 Imp qt, 1.16 US qt)
Oil filler plug
Engine (for oil leaks)
Oil level
Refer to "ENGINE OIL LEVEL INSPEC-
TION".
INSP
ADJ