Polaris TRAIL BOSS 325 2001 Manual page 66

ENGINE
OIL FLOW DIAGRAM - ES32PF
Small End
Bearing
Cylinder Sleeve
Main Bearing
Large End
Bearing
Crank Pin
Crankshaft
Pressure Relief
Engine Sump
Oil Pickup
Oil Pump
Screen
3.10
Piston
Oil Jet
(Fixed)
Connecting Rod
Cam Shaft
Journal
Cam Lobe
Crankcase
Oil Passage
Crankcase
Oil Passage
Chain Room
Rocker Arm /
Rocker Shaft /
Sprocket /
Chain
Indirect
Lubrication
Cam Shaft
Journal
Oil Passage In
Cylinder
Crankcase
Oil Passage
Bypass
Oil Filter
Crankcase
Oil Passage
In
Out
Oil Hoses
Thermo Valve
Through Front Right
Cylinder Head Bolt
Passage
Oil Cooler