Your Polaris snowmobile has been engineered and manufactured by skilled Polaris personnel to the highest degree of performance and reliability. In order to maintain this high degree of performance and reliability your Polaris must be given regular service and maintenance inspections. This includes the pre-season tune up. Pre-season check ups can be as simple as replacement of spark plug or a 36-point tune up I like to use.

Check cylinder head and base area for signs of exhaust or coolant leaks.

Re-torque cylinder heads & cylinder base nuts.

Check compression and record readings.

Check timing. ________ Observed_________ corrected.

Inspect starter recoil rope.

Check drive to driven clutch offset (belt removed).

Inspect clutches for wear on surfaces. Clean Sheaves, repair clutch as necessary.

Check belt condition.

Check and adjust belt deflection.

Inspect rubber engine mounts.

Torque engine-mounting plate to chassis fasteners.

Adjust engine torque stop (if equipped) (0.10"-0.30")

Carburetor Inspections.

Adjust choke plungers.

Adjust pilot air screws.

Synchronize carburetor slide valves at idle and off idle.

Adjust engine RPM.

Adjust throttle lever free play.

Synchronize oil pump lever.

Inspect Choke/ Throttle Cables.

Inspect vent lines for wear or kinking.

Remove Chaincase cover, flush chaincase, inspect and adjust chain, refill with new Chaincase fluid.

Change primary fuel filter and oil filter.

Check fuel and oil line condition and routing.

Inspect fuel and oil tank vent lines/routing.

Inspect airbox fit/air filter. Clean or replace.

V.E.S. (Variable Exhaust System) if applicable. Disassemble and clean components.

ACCS (Altitude Compensating Carburetor System) if applicable. Inspect vent lines.

Brakes-Hydraulic

Check brake fluid.

Check for proper hose routing; Tightness of banjo blots and line fasteners.

Check for system fluid leaks.

Visually inspect pads for wear and damage or looseness.

Check the condition of brake disc.

Check auxiliary shut-off switch.

Inspect brake light, taillight, oil light and all electrical accessories.

Inspect Hi/Lo beam operation and aim headlight; check fasteners.

Liquid cooled models:

Check coolant level and specific gravity.

Check water pump drive belt condition & deflection.

Check coolant hose, routing and clamps.

Inspect heat exchangers condition and fasteners.

Check coolant system for proper coolant circulation.

Replace recovery line filter.

Check coolant recovery line one way check valve

Pressure test cooling system

Fan cooled: inspect cooling fins and shrouds.

Check condition of drive shaft and jackshaft bearings. Lubricate greaseable bearings with Polaris All Season grease.

Remove ski pivot bushings and lubricate.

Inspect ski wear bars.

Check radius rod ends for wear lubricate.

Check toe and front-end alignment.

Inspect steering arms and torque bolts. Inspect handlebar bolt torque.

Lubricate rear suspension pivot shafts.

Torque suspension-mounting bolts and check all rear suspension fasteners and components.

Inspect rear suspension wheels, bearings and hi-fax.

Inspect track for damage. Adjust tension and alignment.

 

If you are not mechanically skilled or are unsure of how to perform this maintenance function, See your owner’s manual, the Polaris Master Repair Manual, or contact your Polaris dealer to have the work performed. For specific specs refer to your owner’s manual or Polaris Master Repair Manual.