Yamaha YFM660FP Service Manual page 105

CHANGING THE ENGINE OIL
6.Install:
Engine oil drain bolt 1
●
7.Fill:
Crankcase
●
(with sufficient oil to reach the specified
level)
Refer to "CHECKING THE ENGINE OIL
LEVEL".
8.Install:
Engine oil filler plug
●
9.Warm up the engine for a few minutes, then
stop the engine.
10.Check:
Engine
●
(for engine oil leaks)
Oil level
●
Refer to "CHECKING THE ENGINE OIL
LEVEL".
11.Check:
Engine oil pressure
●
*****************************************************
● Slightly loosen the oil gallery bolt 1.
●
Start the engine and keep it idling until
engine oil starts to seep from the oil gallery
bolt. If no engine oil comes out after one
minute, turn the engine off so that it will not
seize.
●
Check the engine oil passages, the oil filter
cartridge and the oil pump for damage or
leakage. Refer to "CRANKSHAFT AND OIL
PUMP" in CHAPTER 4.
3 - 28
CHK
ADJ
30 Nm (3.0 m • kg, 22 ft • lb)
Oil quantity:
Periodic oil change:
1.9 L (1.7 Imp qt, 2.0 US qt)
With oil filter replacement:
2.0 L (1.8 Imp qt, 2.1 US qt)
Total amount:
2.2 L (1.9 Imp qt, 2.3 US qt)