Honda CRF450R 2012 Manual

Honda CRF450R 2012 Motorcycle manual cover

Pages 173

Year 2012

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Honda CRF450R 2012 Motorcycle Specification

The 2012 Honda CRF450R represents a benchmark in motocross engineering, combining advanced technology with Honda's renowned reliability. This model is powered by a 449cc liquid-cooled single-cylinder four-stroke engine, designed to deliver robust power and torque across a broad RPM range. The engine features a Unicam® design, which optimizes the compactness and efficiency of the power unit. Fuel injection ensures precise throttle response and enhances overall performance.

The CRF450R's chassis is constructed from an aluminum twin-spar frame, delivering an optimal balance between rigidity and flexibility. This frame is engineered to enhance handling, stability, and rider feedback. The suspension system includes a 48mm inverted Showa® cartridge fork with rebound and compression damping adjustability, and a Pro-Link® Showa® rear shock with adjustable preload, rebound, and compression damping. These components are designed to absorb impacts effectively, providing a smooth and controlled ride over varied terrain.

Braking power is managed by a front 240mm disc with a twin-piston caliper and a rear 240mm disc with a single-piston caliper, ensuring responsive and reliable stopping performance. The motorcycle's ergonomics are tailored for aggressive riding, featuring a slim bodywork design for improved rider movement and control. The overall weight of the bike is kept to a minimum, enhancing its agility and performance on the track.

The CRF450R's design is completed with a sleek, race-ready aesthetic, incorporating Honda's distinctive red and white color scheme. This model also includes practical features such as a quick-adjust clutch for easy on-the-fly adjustments and a durable, hard-wearing seat cover. The 2012 Honda CRF450R stands out as a well-engineered motocross machine, offering a blend of power, precision, and durability, making it a top choice for serious riders and competitors.

Honda CRF450R 2012 Motorcycle F.A.Q.

What is the recommended oil type for the Honda CRF450R 2012?

The recommended oil type for the Honda CRF450R 2012 is 10W-40, specifically formulated for 4-stroke motorcycle engines. Always refer to the owner's manual for specific brand recommendations.

How often should I change the oil on my Honda CRF450R 2012?

It is advised to change the oil every 15 hours of riding or every 3 races, whichever comes first. Regular maintenance can ensure optimal performance and longevity of the engine.

What is the correct tire pressure for the Honda CRF450R 2012?

The recommended tire pressure is typically 12 psi for the front tire and 12 psi for the rear tire. Adjust based on terrain and rider preference for best performance.

How do I adjust the suspension on my Honda CRF450R 2012?

To adjust the suspension, locate the compression and rebound adjusters on the forks and shock. Use a flathead screwdriver to fine-tune based on riding conditions and personal comfort. Refer to the manual for starting settings.

What spark plug should be used in a Honda CRF450R 2012?

The recommended spark plug for the Honda CRF450R 2012 is the NGK IMR9C-9H. Always ensure the spark plug gap is set to the manufacturer's specifications.

How do I troubleshoot a starting problem on the Honda CRF450R 2012?

Start by checking the basics: fuel level, spark plug condition, and battery charge. Ensure the kill switch is in the correct position. If the problem persists, inspect the fuel pump and electrical connections.

What type of coolant should be used in the Honda CRF450R 2012?

Use a high-quality ethylene glycol-based coolant specifically designed for aluminum engines. Ensure the mixture is a 50/50 ratio of coolant and distilled water for optimal performance.

How can I clean the air filter on the Honda CRF450R 2012?

Remove the air filter and wash it with a non-flammable or high flash-point solvent. Allow it to dry completely, then apply filter oil evenly. Reinstall carefully to ensure a proper seal.

What are common signs that the clutch needs adjustment on a Honda CRF450R 2012?

Common signs include difficulty in shifting gears, a slipping clutch, or a feeling that the clutch lever is too loose or too tight. Adjust the clutch cable for optimal tension and performance.

How do I check the chain tension on the Honda CRF450R 2012?

To check chain tension, place the bike on a stand and measure the slack midway between the front and rear sprockets. The ideal slack is around 1.2 inches. Adjust as necessary using the chain adjusters.