Polaris 600 HO RMK 144 155, Dragon RMK Owner's Manual
![Polaris 600 HO RMK 144 155, Dragon RMK manual cover](/images/765a75b871387f7926bbfee4/thumbs/thumb175x175.webp)
To properly break in your Polaris 600 HO RMK engine, you should operate it at various speeds and loads for the first 10 hours. Avoid prolonged operation at full throttle. Vary the engine speed frequently and avoid excessive idling.
Check the fuel level and ensure the fuel valve is on. Inspect the spark plugs for wear or fouling and replace if necessary. Verify that the battery is fully charged and all electrical connections are secure.
The chaincase oil on your RMK 144 should be changed every 1,000 miles or at the start of each season. Use the recommended Polaris chaincase lubricant for optimal performance.
The recommended maintenance schedule includes regular checks of the drive belt, suspension, and track tension every 500 miles. Perform a thorough inspection and servicing at the start of each season, including oil changes and spark plug replacements.
To improve fuel efficiency, ensure your engine is well-tuned and the air filter is clean. Avoid aggressive acceleration and maintain a steady throttle. Properly inflate the track and suspension components to reduce drag.
Check the coolant level and ensure there are no leaks in the system. Inspect the radiator and coolant hoses for blockages or damage. Make sure the fan is functioning properly and the air intake is not obstructed.
To adjust the suspension on your Polaris RMK 155, start by setting the preload on the springs according to your weight and riding style. Adjust the shock absorber settings to balance comfort and performance. Consult the owner’s manual for specific guidance.
Use NGK BPR9ES spark plugs or equivalent as recommended for the Polaris 600 HO RMK. Ensure the spark plug gap is set to the manufacturer's specifications for optimal performance.
Inspect the air filter for clogs and clean or replace it if necessary. Check the fuel filter and fuel lines for blockages. Verify that the exhaust system is not obstructed. Ensure that the throttle cable is properly adjusted.
To store your Polaris 600 HO RMK during the off-season, clean and dry the snowmobile thoroughly. Treat the fuel system with a stabilizer and run the engine for a few minutes. Disconnect the battery and store it in a cool, dry place. Keep the snowmobile covered and stored in a dry location.