Lubrication System - Yamaha F150A Service Manual

GEN
INFO

Lubrication system

The lubrication oil flow diagram is as follows.
Balancer
journal
There is a small hole in the relief valve to allow oil to drain from the oil filter bracket so that it does
not remain in the oil filter. This prevents oil from spilling out when replacing the oil filter.
1 Relief valve
2 Oil filter bracket
È Oil
1-13
General information
Crankcase
Cylinder sleeve
Piston
Crankpin
Crankshaft main journal
Main passage
Oil filter bracket
Relief valve
Oil strainer
1
Camshaft journal
Oil filter
Oil pump
Oil pan
2
Cylinder head
Camshaft
IN/EX valve
Oil pressure sensor
È
:
S63P1260
S63P1180
63P3F11