Valve Clearance - Polaris Ranger 500 2x4 2007 Service Manual

3. Remove the clamp from the vent hose. The oil pump will
now be properly primed and ready for field operation.
NOTE: If the system is primed properly you should
hear some air release. If you do not, the system has
not primed. Repeat the process if necessary.

Valve Clearance

Inspect and adjust valve clearance while the engine is cold and
the piston positioned at Top Dead Center (TDC) on compression
stroke.
1. Remove the seat.
2. Remove the spark plug high tension lead (A) and remove
the spark plug (B). CAUTION: Place a clean shop towel
into the spark plug cavity to prevent dirt from entering.
B
3. Remove rocker cover bolts, cover (C) and gasket.
NOTE: It may be necessary to tap cover lightly with
a soft-faced hammer to loosen it from the cylinder
head.
Vent Hose to Air Box
Oil Lines
To Engine
A
4. Remove the flywheel cover (D) and rotate flywheel so the
piston is at TDC.
D
CAUTION
Failure to position the crankshaft at TDC on
compression stroke will result in
improper valve adjustment.
Sprocket Alignment pin facing up
Crankshaft-to-Camshaft Centerline
5. Rotate engine slowly by turning the flywheel, watching the
intake valve(s) open and close.
MAINTENANCE
C
2.23
2