Yamaha YFZ45D YFZ 450 2013 Owner's Manual
![Yamaha YFZ45D YFZ 450 2013 manual cover](/images/a09650d3204c7b472598e699/thumbs/thumb175x175.webp)
The recommended oil type for the Yamaha YFZ450 2013 is Yamalube 4-Stroke Performance All Purpose SAE 10W-40.
It is recommended to change the oil every 20 hours of riding or every 6 months, whichever comes first, to ensure optimal engine performance.
The correct tire pressure for the Yamaha YFZ450 2013 is 4 PSI for the front tires and 4 PSI for the rear tires.
To adjust the chain tension, loosen the rear axle nut, adjust the chain adjusters evenly on both sides, and then re-tighten the axle nut. Ensure there is about 1-1.5 inches of slack in the chain.
Check the battery connections, ensure the fuel valve is open, inspect the spark plug for wear, and verify that the kill switch is in the run position.
Performance can be improved by installing a high-performance exhaust, upgrading the air filter to a high-flow model, and re-jetting the carburetor for optimal fuel-air mixture.
The recommended spark plug for the Yamaha YFZ450 2013 is the NGK CR8E. Ensure it is gapped to 0.7-0.8 mm before installation.
Remove the air filter from the airbox, wash it with a mild detergent in warm water, rinse thoroughly, let it dry completely, and then re-oil the filter before reinstalling.
The Yamaha YFZ450 2013 uses DOT 4 brake fluid. Ensure the brake fluid is at the correct level and replace it every two years to maintain braking performance.
Start by checking the battery voltage, inspect all fuses, and look for any loose or corroded connections. Use a multimeter to test continuity in the wiring harness if needed.