Yamaha YFM70GPAL, YFM70GPHL, YFM70GPSL Grizzly 2020 Owner's Manual

To change the oil on your Yamaha Grizzly 2020, first warm up the engine for a few minutes to thin the oil. Turn off the engine and place the ATV on a level surface. Remove the skid plate if necessary. Locate and remove the oil drain plug and let the oil drain completely. Replace the drain plug and remove the oil filter. Install a new oil filter and refill with the recommended oil type and amount. Check for leaks and double-check the oil level before riding.

The recommended maintenance schedule for the Yamaha Grizzly 2020 includes regular checks of the engine oil, air filter, brakes, and tire pressure. It is advised to change the oil every 6 months or 100 hours, whichever comes first. Inspect the air filter every 50 hours and replace if necessary. Check the brakes and adjust or replace as needed. Regularly inspect the tires for wear and maintain proper pressure. A comprehensive maintenance checklist can be found in the owner's manual.

To troubleshoot electrical issues on the Yamaha Grizzly 2020, start by checking the battery connections for corrosion or looseness. Ensure the battery is charged and in good condition. Inspect the fuses and replace any that are blown. Check the wiring harness for any visible damage or disconnections. If the problem persists, consult the service manual for specific electrical diagrams and further diagnostic steps.

The Yamaha Grizzly 2020 requires a high-quality ethylene glycol-based antifreeze coolant with corrosion inhibitors designed for aluminum engines. It is important to use a coolant that is pre-mixed to the correct ratio or be prepared to mix it with distilled water if purchasing concentrated coolant. Always refer to the owner's manual for the exact specifications.

To adjust the suspension of your Yamaha Grizzly 2020, locate the preload adjusters on the front and rear shocks. For softer suspension suited to rough terrain, decrease the preload by turning the adjuster counterclockwise. For firmer suspension suitable for smoother trails, increase the preload by turning the adjuster clockwise. Test the vehicle on the terrain intended and make incremental adjustments as needed for optimal performance.

If your Yamaha Grizzly 2020 is overheating, first stop the engine and allow it to cool down. Check the coolant level and top off if necessary. Inspect the radiator for obstructions or debris and clean if needed. Ensure the radiator fan is functioning properly. If overheating continues, check for any leaks in the cooling system or a faulty thermostat. Consult a professional mechanic if the problem persists.

To properly store your Yamaha Grizzly 2020 for the winter, start by cleaning the ATV thoroughly to remove any dirt and debris. Change the oil and filter, and fill the gas tank, adding a fuel stabilizer to prevent fuel degradation. Disconnect the battery and store it in a cool, dry place. Inflate the tires to the recommended pressure and cover the ATV to protect it from dust and moisture. Store in a dry location, if possible.

The recommended tire pressure for the Yamaha Grizzly 2020 is typically around 5 psi for both front and rear tires. However, this can vary depending on the specific model and the type of terrain you plan to ride on. Always refer to the owner's manual for the precise tire pressure recommendations and adjust according to the load and riding conditions.

To replace the drive belt on the Yamaha Grizzly 2020, first remove the seat and paneling to access the belt housing. Remove the housing cover and take note of the belt routing. Loosen the tension on the belt by adjusting the tensioner. Remove the old belt and install the new one following the correct routing. Ensure the belt is properly seated and re-tension the belt according to the specifications. Reassemble the housing and paneling.

If your Yamaha Grizzly 2020 won't start, first check the battery to ensure it is charged and the connections are clean and tight. Verify the fuel level and quality, and ensure the fuel valve is open. Inspect the spark plug for fouling and replace if necessary. Check the kill switch and any other safety switches. If the ATV still won't start, it may need professional diagnosis for further electrical or mechanical issues.