Polaris Predator 90 Owner's Manual
![Polaris Predator 90 manual cover](/images/fe9c5fece2d43aa3eeba7ef4/thumbs/thumb175x175.webp)
Regular maintenance for the Polaris Predator 90 includes checking and changing the engine oil, cleaning the air filter, inspecting the brakes, and checking tire pressure. It's also important to lubricate moving parts and inspect the drive chain for proper tension and lubrication.
The Polaris Predator 90 requires 10W-30 or 10W-40 engine oil, depending on the climate and temperature conditions in which you are operating. Always refer to the owner's manual for the manufacturer's recommendations.
If your Polaris Predator 90 won't start, check the battery for proper charge, ensure the fuel is fresh, and inspect the spark plug for wear or fouling. Make sure the fuel valve is open and the choke is set correctly.
If your Polaris Predator 90 is overheating, check the coolant level and ensure there are no leaks. Clean any debris from the radiator and check for proper fan operation. Avoid running the engine at high RPMs for extended periods.
The air filter should be checked and cleaned after every ride in dusty conditions, and replaced if it shows signs of wear or damage. Under normal conditions, inspect it every 10 hours of operation.
Loss of power can be caused by a clogged air filter, dirty carburetor, or old spark plug. Check these components and ensure the fuel lines are clear and the fuel is fresh.
The recommended tire pressure for the Polaris Predator 90 is 4 psi for both front and rear tires. Check the owner's manual for specific recommendations based on your model year.
To adjust the chain tension, loosen the rear axle nuts and adjust the chain tensioner until there is about 1/2 inch of slack in the middle of the chain. Tighten the axle nuts securely after adjustment.
If the brakes feel weak, check the brake fluid level and ensure there are no leaks. Inspect the brake pads for wear and replace them if necessary. Bleed the brake lines to remove any air bubbles.
To winterize your Polaris Predator 90, clean it thoroughly, change the oil, and add fuel stabilizer to the gas tank. Remove the battery and store it in a warm place. Cover the ATV to protect it from dust and moisture.