335 (Es33Pfe) Oil Flow Chart - Polaris Trail Blazer Service Manual

Thermo valve to cooler
Cooler to thermo valve
Oil bypasses
cooler at valve
when cold
Cooled Oil
Hot Oil
Path
= Filtered Oil

335 (ES33PFE) Oil Flow Chart

Oil Tank
Screen Fitting
(Bottom of Tank)
Hose Fitting
(Upper on engine)
Oil Hose
Crankcase
Oil Passage
Prevents oil
from draining
Oil Pump
into crankcase
(Feed)
with engine off
One Way Valve
Delivery Pipe
Bypass
Polaris Sales Inc.
Oil passes through
cylinder head bolt
passage, to camshaft
Bottom fitting is oil
outlet or return to
tank
Thermo valve allows oil to
by-pass cooler when cold
Top of Oil Tank
Oil Cooler
Hot Oil
Chain Room
Cam Shaft
Journal
Cam Lobe
Cam Shaft
Journal
Oil Filter
Oil Passage
In Cylinder
Delivery Pipe
3.45
Oil Flow Diagram - ES33PF
335 (ES33PFE) Engine
Also refer to thermo valve flow diagram
Top fitting is oil
feed or intake from
bottom of tank
Hose Fitting (Lower hose fitting on engine)
Oil Pump
Crankcase
(Scavenging)
Oil Gallery
Sprocket
Chain
Rocker Arm
Indirect
Rocker Shaft
Lubrication
Through Front Left
Cylinder Head Bolt
Passage
Indirect
Lubrication
Crankcase
Oil Gallery
ENGINE
Oil filter
Oil feed to
filter
From filter
to crankshaft
One way valve
Oil Pickup
Screen
Crankcase
Small End
Bearing
Balance Gears
Cylinder Sleeve
Main Bearing
(PTO)
Large End
Bearing
Oil Jet
(Fixed)
Crank Pin
Crankshaft
Stator Plate
Bushing
4/99