Yamaha WOLVERINE R MAX 2021 Manual page 120

To change the engine oil
1. Park the vehicle on a level surface.
2. Start the engine, warm it up for several
minutes, and then turn it off.
3. Lift the cargo bed up.
4. Place an oil pan under the oil tank to col-
lect the used engine oil.
5. Remove the engine oil tank filler cap and
the cylinder head cap.
9
1. Cylinder head cap
2. Engine oil tank filler cap
1 1
2 2 2
9-13
6. Remove the engine oil tank drain bolt and
its gasket to drain the engine oil from the
oil tank. (Use a trough or a similar object
as shown to prevent oil from spilling on
the frame.)
2
1
1. Engine oil tank drain bolt
2. Gasket