Change Engine Oil - Yamaha WR450F Owner's Manual

6. Install the engine oil tank cap, and
then the check bolt and its gasket.
To change the engine oil (with or
without oil filter element replace-
ment)
1. Place the vehicle on a level sur-
face.
2. Start the engine, warm it up for
several minutes, and then turn it
off.
3. Place an oil pan under the engine
to collect the used oil.
4. Remove the engine guard by re-
moving the bolts.
2
1
1. Bolt
2. Engine guard
5. Remove the engine oil tank cap
PERIODIC MAINTENANCE AND ADJUSTMENT
and the engine oil filler cap.
1
2
1. Engine oil tank cap
2. Engine oil filler cap
6. Remove the engine oil drain bolts
and their gasket to drain the oil
from the oil tank and crankcase.
1
1. Engine oil drain bolt (oil tank)
2. Gasket
1. Engine oil drain bolt (crankcase)
2. Gasket
2 1
1. Oil filter element drain bolt
2. Gasket
6-10
1 2
7. Remove the engine oil filter ele-
ment drain bolt and gasket to drain
the oil from the oil filter element.
1 2
2
3
4
5
6
7
8
9