Polaris 120 Assault Owner's Manual

The recommended oil type for Polaris 120 Assault is Polaris Synthetic 2-Stroke Oil. It ensures optimal performance and longevity.
It's advisable to check the chain tension every 10 hours of operation or before each ride to ensure safe and efficient performance.
The correct spark plug gap for the Polaris 120 Assault is 0.030 inches (0.76 mm).
If you're experiencing starting issues, check the fuel level, ensure the kill switch is in the run position, inspect the spark plug, and verify that the choke is properly set.
For off-season storage, clean the snowmobile thoroughly, stabilize the fuel, disconnect the battery, and store it in a dry, cool place. Consider using a cover for added protection.
To adjust the carburetor, locate the air and idle screws. Turn the air screw to adjust the air-fuel mixture and the idle screw to set the engine idle speed. Refer to the user manual for specific settings.
Common track alignment issues include uneven wear and steering difficulties. To correct, adjust the track tension and alignment using the adjustment bolts on the rear suspension.
Regularly inspect the brake pads for wear, check the brake fluid level, and ensure the brake lever has proper tension and movement. Replace any worn components as necessary.
If the engine overheats, stop the engine immediately, allow it to cool, check the coolant level, ensure the cooling fins are clean and unobstructed, and inspect for any leaks.
For a proper break-in, operate the snowmobile at varying speeds and avoid prolonged idling for the first 10 hours. Follow the manufacturer's recommendations for initial service and inspections.