Yanmar 1GM User Manual page 95

SINGLE-CY LI NDER ENG INES
\
,-"
Outer rotor
~'L/~- B Od Y
.->-"'--\
,f--
Feeler gauge
.
~~~~,;::,;::=:}~
Straightedge
Body
Feeler gauge
Pressure relief valve
An oil pressure relief valve is threaded into the front
(timing gear ) of the engine (F igur e 66). When oil pres-
sure exceeds 300-400 kPa (43-57 psi), the relief valve
opens and expels oil into the timing gear area.
89
Do not attempt to disassemble the oil pressure relief
valve. The valve is scaled and it must be replaced as a unit
assembly.
Oi/pickup
The oil pickup
(A,
Figure 67) is located in the oil pan
(B). The pickup includes a strainer to prevent foreign mat-
ter from entering the lubrication system. A spring (C)
keeps the pickup in position in the oil pan.
NOTE
When removing the drain plug ill/he oil pan,
he aware thai the spring willforce the plug
oul
when the threads disengage.
Remove the drain plug (D) for access to the oil pickup.
FLYWHEEL
Remo val/I nst all ation
1. Remove the engine from the boat.
2. Remove the transmission .
5