Top-End Disassembly; Engine Disassembly; Cam Chain Tensioner Removal; Cam Chain Tensioner Inspection - Polaris PREDATOR 50 2009 Manual

ENGINE / TRANSMISSION
USE THE FLYWHEEL TIMING MARK
1. Remove timing hole plug from flywheel cover.
2. Rotate the engine in normal direction of rotation and watch
the intake valve open and then close.
3. View straight into the timing hole and continue rotation
engine until the "T" mark on flywheel (E) aligns with the
groove in the timing hole (F). There should be clearance on
both valves.
F

TOP-END DISASSEMBLY

Engine Disassembly

REMOVE:
1. Engine from frame.
2. Bolt (A) and camshaft cover. Top cover nuts (B).
A
3.14
E
B

Cam Chain Tensioner Removal

NOTE: Tensioner can be removed with engine in
frame.
1. Find TDC on compression stroke. See "Finding Top Dead
Center (TDC)" on page 3.13
2. Remove camshaft tensioner cap with spring (C).
3. Remove tensioner body bolts (D).

Cam Chain Tensioner Inspection

1. Pull plunger out of tensioner body until fully extended.
Closely inspect teeth on pawl (E) and on plunger (F).
2. Hold ratchet pawl back, and push plunger in and out of
tensioner body. The plunger should move smoothly
through the travel range.
3. Replace tensioner assembly if any part is worn or damaged.
C
D
F
E
A