Eh50Pl Oil Flow Chart - Polaris Trail Blazer Service Manual

EH50PL Engine

EH50PL 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
Polaris Sales Inc.
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
Cam Shaft
Journal
Cam Lobe
Cam Shaft
Journal
Oil Filter
Delivery Pipe
Delivery Pipe
3.47
EH50PL Oil Flow Diagram
Top fitting is oil
feed or intake
from bottom of
tank
Union Fitting (Lower)
Oil Pump
Crankcase
(Scavenging)
Oil Gallery
Sprocket
Chain
Rocker Arm
Rocker Shaft
Metal
Through Cylinder
Stud Front Left
Crankcase
Oil Gallery
ENGINE
Oil filter
Oil feed to
filter
From filter
to crankshaft
One way valve
Oil Strainer
Crankcase
Small End
Bearing
Cylinder Sleeve
Main Bearing
Indirect
(PTO)
Lubrication
Large End
Bearing
Crank Pin
Crankshaft
Oil Jet
4/99