Yamaha XTZ 125K Owner's Manual page 55

e.Fill engine with oil. Install the oil filter cap and tighten.
Recommended oil:
YAMALUBE 4
Oil quantity:
Total amount:
1.2 L ( 0.264 Imp gal, 0.317 US gal)
Periodic oil change:
1.0 L ( 0.220 Imp gal, 0.264 US gal)
NOTE:
Recommended engine oil classification; API Service "SH"
type or equivalent
CAUTION:
Do not put in any chemical additives. Engine oil also
lubricates the clutch and additives could cause clutch
slippage.
CAUTION:
Be sure no foreign material enters the crankcase.
f. Start the engine and warm up for a few minutes. While
warming up, check for oil leakage. If oil leakage is found,
stop the engine immediately, and check for the cause.
g. Stop the engine and check the oil level.
CAUTION:
After replacing the engine oil, be sure to check the oil
pressure.
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