Yamaha YFM45FXZ Wolverine 450 2010 Owner's Manual
![Yamaha YFM45FXZ Wolverine 450 2010 manual cover](/images/6ce8d39c24f04c8ed6c491df/thumbs/thumb175x175.webp)
To perform an oil change, first warm up the engine, then turn it off. Remove the oil drain plug and let the old oil drain completely. Replace the drain plug and remove the oil filter. Install a new oil filter and refill the engine with the recommended oil type and amount.
Check the battery to ensure it is fully charged. Inspect the spark plug for wear or damage and replace if necessary. Verify that fuel is reaching the engine and that the fuel is not old or contaminated.
The air filter should be inspected every 20 hours of operation or monthly. Replace it if it is dirty or damaged to ensure optimal engine performance and longevity.
The recommended tire pressure for the front tires is 4.0 psi, while the rear tires should be inflated to 4.0 psi as well. Always check the pressure when the tires are cold.
Start by checking the battery connections for corrosion or looseness. Inspect fuses and replace any that are blown. Examine wiring for frays or cuts, and ensure all connections are secure.
Remove the carburetor from the engine. Disassemble it carefully, noting the placement of each part. Use a carburetor cleaner to thoroughly clean all parts, then reassemble and reinstall it.
Locate the idle adjustment screw on the carburetor. Start the engine and let it warm up. Turn the screw clockwise to increase the idle speed or counterclockwise to decrease it until the desired speed is reached.
Inspect the drive belt regularly for signs of wear, such as fraying or cracking. Replace it if any damage is found. Also, ensure the belt has proper tension and alignment to avoid slippage or premature wear.
Clean the ATV thoroughly and apply a protective coating to metal parts to prevent rust. Drain the fuel system or add a stabilizer to the fuel. Disconnect the battery and store it in a cool, dry place. Cover the ATV to protect it from dust and moisture.
Check the coolant level and refill if necessary. Inspect the radiator for obstructions or damage. Ensure the fan is operational and not blocked. If the problem persists, consult a professional for a thorough inspection.