Yamaha 2001 YZ426F/LC Owner's Service Manual page 168

ENGINE OIL LEVEL INSPECTION
3 - 13
6. Apply:
Lithium soap base grease
On the matching surface a on air filter
element.
7. Install:
Air filter element 1
Washer
Fitting bolt
2 Nm (0.2 m · kg, 1.4 ft · lb)
NOTE:
Align the projection a on filter guide with the
hole b in air filter case.
ENGINE OIL LEVEL INSPECTION
1. Stand the motorcycle on a level surface.
NOTE:
When checking the oil level make sure that
the motorcycle is upright.
Place the motorcycle on a suitable stand.
WARNING
Never remove the oil tank cap just after
high speed operation. The heated oil could
spurt out. causing danger. Wait until the oil
cools down to approximately 70 ˚C (158 ˚F).
2. Idle the engine more than 3 minutes
while keeping the motorcycle upright.
Then stop the engine and inspect the oil
level.
3. Remove:
Oil tank cap 1
INSP
ADJ