Polaris 2009 Trail Boss 330 Service Manual

ENGINE
3.43
INTAKE VALVE
CLEARANCE
ADJUSTMENT
1. Insert a .006″ (.15mm) feeler gauge betweenend
of intake valve stem and clearance adjuster
screw.
2. Using Valve/Clutch Adjuster Tool (PN
PA--44689), loosen adjuster lock nut and turn
adjusting knob until there is a slight drag on the
feeler gauge.
330 Engine
Valve Adjuster Tool: PA--44689
3. Hold adjuster screw and tighten adjuster lock nut
securely.
4. Re-check the valve clearance.
5. Repeat adjustment procedure if necessary until
clearance is correct with locknut secured.
EXHAUST VALVE
CLEARANCE
ADJUSTMENT
1. Insert .006″ feeler gauge(s) between end of
exhaust valve stem and adjuster screw(s).
2. Loosenlocknut(s)andturnadjusterscrew(s) until
there is a slight drag on feeler gauge(s).
NOTE: The 330 exhaust valve is adjusted the same
as the intake valve. The Valve/Clutch Adjuster Tool
(PNPA--44689) canbeusedtoadjustthe330engines
valves.
3. When clearance is correct, hold adjuster screw
and tighten locknut securely
4. Re-check the valve clearance.
5. Repeat adjustment procedure if necessary until
clearance is correct with locknut secured.
330 Engines
.006″ (.15 mm)
VALVE CLEARANCE
6. 330: Inspect o-rings on the plastic valve plugs,
replace if damaged. Securelyfasten valveplugs.
7. Scrape gasket surfaces to remove all traces of
the old gasket.
8. Remove the shop towel from the spark plug
cavity.
9. Install the spark plug. Torque to 14 ft. lbs. (19
Nm).
10. Install the spark plug high tension lead.
11. Install parts removed for access.
330 Engine
Spark Plug Torque: 14 ft. lbs. (19 Nm)
PartShark.com
877-999-5686

Polaris 2009 Trail Boss 330 Specifications

General

Brand	Polaris
Model	2009 Trail Boss 330
Category	Offroad Vehicle
Language	English