Yamaha YZ250FD 2013 Owner's Manual

The recommended oil type for the Yamaha YZ250FD 2013 is a high-quality 10W-40 or 10W-50 4-stroke motorcycle oil. Make sure it meets JASO MA requirements.
The air filter should be inspected and cleaned after every ride or every 5-10 hours of usage, especially if riding in dusty conditions.
The correct spark plug gap for the Yamaha YZ250FD 2013 is 0.8-0.9 mm (0.031-0.035 inches).
To troubleshoot starting issues, check the fuel supply, ensure the spark plug is working, verify battery charge, and inspect the ignition coil. If problems persist, consult a professional mechanic.
To adjust the chain tension, ensure there is about 30-40 mm (1.2-1.6 inches) of slack at the chain's midpoint. Use the axle adjusters to make adjustments, then tighten the axle nut securely.
Common causes of overheating include low coolant levels, a clogged radiator, a malfunctioning thermostat, or a faulty water pump. Regular maintenance can prevent these issues.
For winter storage, clean the bike thoroughly, add a fuel stabilizer, change the oil, remove the battery and store it in a cool, dry place, and cover the bike to protect it from dust and moisture.
Brake pads should be inspected regularly and replaced when the pad thickness is less than 1 mm (0.04 inches) or if you notice reduced braking performance.
The recommended tire pressure for the Yamaha YZ250FD 2013 is typically around 12 psi for the front tire and 12-14 psi for the rear tire, but this can vary depending on the terrain and rider preference.
To improve suspension performance, adjust the preload, compression, and rebound settings according to your weight and riding style. Regularly check for leaks and replace the fork oil as needed.