Honda CRF250R 2011 Manual

Honda CRF250R 2011 Motorcycle manual cover

Pages 172

Year 2011

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Honda CRF250R 2011 Motorcycle Specification

The 2011 Honda CRF250R is a high-performance motocross motorcycle renowned for its agility and power. It is equipped with a liquid-cooled, 249cc, single-cylinder, four-stroke engine that features a Unicam design, ensuring a compact and lightweight configuration. The engine delivers robust midrange power and torque, which is crucial for competitive racing scenarios. The bike's fuel injection system optimizes fuel delivery for improved throttle response and efficiency.

The CRF250R incorporates a twin-spar aluminum chassis, providing a balance of rigidity and flexibility, which enhances handling and stability. The Pro-Link rear suspension system, combined with Showa forks at the front, offers superior shock absorption and adjustability, enabling riders to tailor the bike's performance to various track conditions. The bike features a close-ratio five-speed transmission, allowing for precise gear selection and seamless power delivery.

Braking performance is ensured by a 240mm front disc brake and a 240mm rear disc brake, both equipped with wave rotors for improved heat dissipation. The motorcycle rides on Dunlop Geomax MX51 tires, designed to offer exceptional grip and traction on diverse terrains. Ergonomics are optimized with a slim profile, allowing for better maneuverability and rider control.

The 2011 Honda CRF250R’s lightweight build, advanced suspension systems, and potent engine make it a formidable choice for both amateur and professional motocross enthusiasts. Its design emphasizes ease of maintenance and durability, aligning with Honda's reputation for reliability and performance. This model continues to be a popular pick for its blend of speed, agility, and robustness on the track.

Honda CRF250R 2011 Motorcycle F.A.Q.

What is the recommended oil type and capacity for the 2011 Honda CRF250R?

The 2011 Honda CRF250R requires 0.73 liters (0.77 US qt) of 10W-40 motorcycle oil. It's important to use oil designed specifically for motorcycles to ensure proper engine performance and protection.

How often should I check and adjust the valve clearance for my CRF250R?

It's recommended to check and adjust the valve clearance every 15 hours of operation. Regular maintenance ensures optimal engine performance and prevents potential damage.

What are common starting issues with the 2011 Honda CRF250R and how can they be resolved?

Common starting issues may include a weak battery, clogged fuel injector, or faulty spark plug. Ensure the battery is charged, clean the fuel injector, and check the spark plug for wear and proper gap.

How do I properly clean and oil the air filter on my CRF250R?

Remove the air filter, wash it with a non-flammable solvent, and allow it to dry completely. Apply air filter oil evenly, making sure not to over-saturate, and then reinstall it securely.

What is the proper chain tension for the 2011 CRF250R?

The chain should have 30-40 mm (1.2-1.6 inches) of slack when measured at the midpoint between the sprockets. Regularly check and adjust the tension to prevent excessive wear.

How can I troubleshoot overheating issues on my CRF250R?

Check for coolant leaks, ensure the radiator is clean and free of debris, and confirm that the cooling fan is operational. Also, verify that the coolant level is adequate and replace it if necessary.

What spark plug type and gap should be used for the 2011 Honda CRF250R?

The recommended spark plug is an NGK IMR9C-9H or DENSO IU27D, with a gap of 0.8-0.9 mm (0.031-0.035 inches). Using the correct spark plug and gap ensures efficient combustion.

How do I adjust the suspension settings for different riding conditions?

Start by adjusting the preload, compression, and rebound settings according to your weight and riding style. Refer to the owner's manual for baseline settings and make incremental adjustments to suit specific conditions.

What maintenance steps should be taken before storing the CRF250R for an extended period?

Clean the motorcycle thoroughly, change the oil and filter, drain the fuel system, lubricate moving parts, and disconnect the battery. Store the bike in a dry, cool location to prevent rust and degradation.

How can I improve the braking performance of my 2011 Honda CRF250R?

Ensure the brake pads are not worn and replace them if necessary. Bleed the brake lines to remove air bubbles, and check that the brake fluid is at the correct level and in good condition. Consider upgrading to high-performance brake pads for better stopping power.