Yamaha 115-225 HP Outboards Service Manual, Page 253Get this manual
_THRTBG Is
? 1_ INJECTION OIL SYSTEM
(C) Engine over heatOil emission is not enough
Is there sufficient oil in the oil tank? YES Has the oil deteriorated or is it dirty? YES
Add oil(P3-37)
Replace(P3-37)
Are the oil hoses flattenedbent disconnected cracked or damaged?
Replace(P3-12, 3-14, 3-16)
Is air contained in the hoses? NO Does the oil pump link operate normally? YES Is air contained in the pump?