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Honda CRF450R 2010 Parts & Accessories

Introduced in 2002 to replace the legendary CR500R in premier-class motocross competition, the Honda CRF450R revolutionized big-bore racing by proving four-stroke technology could dominate professional motocross and supercross. Built around Honda's compact Unicam single-cam engine architecture, the CRF450R combined high-rpm four-stroke power with lightweight, agile chassis performance. Through continuous multi-generational updates, the CRF450R introduced electronic fuel injection (2009), electric start (2018), HRC Launch Control, selectable engine mapping, and successive iterations of Honda's aluminum twin-spar frame, serving as the foundation for Honda's championship-winning factory racing efforts worldwide.

• 449.7 cc liquid-cooled Unicam SOHC 4-valve 4-stroke single-cylinder engine with titanium intake valves and high-lift rocker arm
• 44 mm PGM-FI electronic fuel injection with 3-mode Honda Selectable Torque Control (HSTC), HRC Launch Control, and 3 selectable engine power maps
• Ninth-generation lightweight aluminum twin-spar frame with narrow geometry, optimized lateral rigidity, and removable subframe
• 49 mm Showa inverted (USD) coil-spring front forks with adjustable compression and rebound damping providing 310 mm (12.2 in) wheel travel
• Pro-Link single Showa rear shock absorber with fully adjustable spring preload, low-speed compression, high-speed compression, and rebound damping providing 315 mm (12.4 in) wheel travel
• Single 260 mm hydraulic front wave disc brake with dual-piston caliper and single 240 mm hydraulic rear wave disc brake with single-piston caliper
• Close-ratio 5-speed manual transmission with heavy-duty 8-disc hydraulic clutch and chain final drive
• Electric push-button starter powered by a lightweight lithium-ion battery
• 21-inch front (80/100-21) and 19-inch rear (120/80-19) Dunlop Geomax MX33 tires on spoked aluminum rims
• 965 mm (38.0 in) seat height and 105.8 kg (233 lbs) wet curb weight ready-to-race with a 6.3-litre (1.7 US gal) titanium fuel tank capacity