Honda CRF70F 2011 Manual
![Honda CRF70F 2011 Motorcycle manual cover](/images/gsPcYVWedrmWvuNPYBrTcHPN/thumbs/thumb175x175.webp)
Honda recommends using 4-stroke motorcycle oil that meets or exceeds the requirements of the API service classification SJ or later. SAE 10W-40 viscosity is ideal for most conditions.
It's recommended to change the oil every 1,000 miles or every 6 months, whichever comes first. More frequent changes are advised if the motorcycle is used in harsh conditions.
The recommended tire pressure for the front tire is 15 psi and for the rear tire is 15 psi. Always check the tire pressure when the tires are cold.
First, check the fuel level and ensure the fuel valve is open. Verify that the engine kill switch is in the 'Run' position. Inspect the spark plug for fouling or damage. Finally, ensure the choke is correctly set for the current temperature conditions.
Perform regular checks on the oil level, air filter, chain tension, and tire pressure before each ride. Every 600 miles, inspect the spark plug, brake system, and suspension. Refer to the owner’s manual for a detailed maintenance schedule.
To adjust the chain tension, first place the motorcycle on a stand. Loosen the axle nut, then adjust the chain tensioners evenly on both sides of the swingarm until you achieve 20-30 mm of slack. Tighten the axle nut securely after adjustment.
Ensure that the cooling fins on the engine are clean and not obstructed. Check the oil level, as low oil can lead to overheating. Avoid running the engine at high RPMs for long periods, especially in hot weather.
Remove the seat and the air filter cover. Take out the air filter and clean it with a mild detergent and water. Allow it to dry completely, then apply air filter oil before reinstalling it.
Signs of a worn-out spark plug include difficulty starting the engine, misfiring, poor fuel economy, and reduced engine performance. Inspect the spark plug for excessive carbon build-up or a damaged electrode.
To improve fuel efficiency, ensure the engine is well-maintained with regular oil changes and clean air filters. Maintain proper tire pressure, avoid excessive idling, and ride at moderate speeds.