Yamaha KODIAK ULTRAMATIC YFM400FA Owner's Manual page 296

9. Fill the engine with sufficient oil to reach
the specified level. Install the dipstick and
tighten it.
Recommended oil:
See page 10-2.
Oil quantity:
Total amount:
2.6 L
Periodic oil change:
2.3 L
With oil filter replacement:
2.4 L
CAUTION:
Do not put in any chemical additives. En-
gine oil also lubricates the clutch and ad-
ditives could cause clutch slippage.
Be sure no foreign material enters the
crankcase.
8-39