ENGINE
EH50PL Oil Flow Diagram
Oil Tank
Oil Flow Chart
Oil Tank
Union Fitting
(Upper)
Oil Hose
Crankcase
Oil Gallery
Oil Pump
(Feed)
Prevents oil from
draining into
crankcase with
engine off
One Way Valve
Delivery Pipe
Bypass
3.14
Internal passage to
camshaft (front left
head bolt)
Bottom fitting is oil exhaust
or return to tank
Top of Oil Tank
Oil Hose
Screen Fitting
(Bottom of tank)
Chain Room
Oil Filter
Delivery Pipe
Delivery Pipe
Top fitting is oil
feed or intake
from bottom of tank
Union Fitting (Lower)
Crankcase
(Scavenging)
Oil Gallery
Cam Shaft
Rocker Arm
Journal
Rocker Shaft
Cam Lobe
Cam Shaft
Journal
Through Cylinder
Stud Front Left
Crankcase
Oil Gallery
Oil filter
Oil feed to filter
From filter
to crankshaft
One way valve
Oil Pump
Oil Strainer
Crankcase
Sprocket
Chain
Small End
Bearing
Cylinder
Sleeve
Indirect
Lubrication
Large End
Bearing
Metal
Crank Pin
Crankshaft
Main Bearing
(PTO)
Oil Jet