Yamaha WR450F Owner's Manual page 52

PERIODIC MAINTENANCE AND ADJUSTMENT
And do not touch the radiator
pipe after high-speed operation,
otherwise the cooling system is
1
hot and cause burns. Always let
the engine oil cool down suffi-
ciently before removing the oil
2
tank cap.
[EWA16140]
operate the vehicle until you
3
know that the engine oil level is
sufficient.
[ECA10011]
4
TIP
The engine oil should be above the
minimum level mark.
5
6
7
8
1
9
1. Engine oil tank cap
NOTICE: Do not
1. Engine oil tank cap
2. Dipstick
3. Minimum level mark
4. Remove the engine oil check bolt
and its gasket, and then check the
engine oil level.
TIP
The engine oil should be below the brim
of the check bolt hole.
1
2
3
1. Engine oil check bolt
2. Gasket
5. If the engine oil is below the mini-
1. Engine oil check bolt hole
6-9
2
mum level mark, add sufficient oil
of the recommended type to raise
it to the brim of the engine oil check
bolt hole.
1
1