Yamaha WOLVERINE X4 2021 Owner's Manual page 127

7. Place an oil pan under the engine to col-
lect the used engine oil.
8. Remove the engine oil drain bolts and
their gaskets to drain the oil from the en-
gine.
1. Engine oil drain bolt
2. Gasket
9. Install the engine oil drain bolts, engine oil
tank drain bolt and their new gaskets,
and then tighten the bolts to the specified
torques.
Tightening torques:
Engine oil drain bolt:
Engine oil tank drain bolt:
10. Add 2.50 L (2.64 US qt, 2.2 Imp.qt) of the
recommended engine oil to the oil tank.
11. Check the O-rings for damage, and re-
place them if necessary.
1
2
2
1
1. Engine oil tank filler cap
2. O-ring
3. Cylinder head cap
9-15
20 N·m (2.0 kgf·m, 15 lb·ft)
9 N·m (0.9 kgf·m, 6.6 lb·ft)
3
9
2