Polaris 120 Indy v3 Owner's Manual
![Polaris 120 Indy 2019 manual cover](/images/884aacf65216b6102da3cec6/thumbs/thumb175x175.webp)
To start the Polaris 120 Indy 2019, ensure the kill switch is in the 'run' position, turn the ignition key to the 'on' position, and pull the recoil starter handle firmly.
Use unleaded gasoline with a minimum octane rating of 87. Avoid using ethanol blends higher than E10.
Change the engine oil every 50 hours of operation or at the start of each season, whichever comes first.
The recommended spark plug for the Polaris 120 Indy 2019 is NGK BPMR6A. Ensure it is gapped to 0.027 inches (0.7 mm).
To adjust track tension, elevate the rear of the snowmobile, loosen the axle bolts, adjust the tension bolts equally on both sides, and tighten the axle bolts once the desired tension is achieved.
Check if the kill switch is in the 'run' position, ensure there is fuel in the tank, inspect the spark plug, and verify that the ignition key is turned to 'on'.
For off-season storage, clean the snowmobile thoroughly, add fuel stabilizer, change the oil, remove the battery, and store it in a cool, dry place. Cover the snowmobile to protect it from dust and debris.
Before each ride, check the fuel and oil levels, inspect the track and skis for damage, verify that all controls are functioning properly, and ensure the brakes are operational.
To improve fuel efficiency, maintain proper track tension, keep the engine well-tuned, and avoid prolonged idling. Also, ensure the air filter is clean and the carburetor is adjusted correctly.
Backfiring can be caused by issues such as a fouled spark plug, incorrect carburetor settings, or a clogged air filter. Check these components and adjust or replace them as necessary.