Yamaha WR250F(N) Owner's Service Manual page 192

ENGINE OIL LEVEL INSPECTION
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10. 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. Start the engine, warm it up for several
minutes, and then turn off the engine and
wait for five minutes.
2. Place the machine on a level place and
hold it up on upright position by placing
the suitable stand under the engine.
3. Remove:
Oil tank cap 1
4. Inspect:
Oil level
Oil level should be between maximum
a and minimum b marks.
Oil level is low
level.
NOTE:
When inspecting the oil level, do not screw the
oil tank cap into the oil tank. Insert the gauge
lightly.
INSP
ADJ
Add oil to proper