2012 Honda CRF450X – Specifications
Model: CRF450X Engine Type: 449cc liquid-cooled single-cylinder four-stroke Bore and Stroke: 96mm x 62mm Compression ratio: 12.0:1 Valve Train: Unicam, four-valve; 35mm intake valve; 30mm exhaust valve Induction: Keihin 40mm flat-slide carburetor with Throttle Position Sensor (TPS) Ignition: CD with electronic advance and lighting coil Starting: Electric and kick Transmission: Wide-ratio five-speed Final Drive: #520 [...]
2011 Honda CRF450R Specifications
Long regarded as the bike of choice in the big-bore motocross division, the 2011 CRF450R incorporates improvements that will help this bike retain its premier standing. The prodigious powerband is now even stronger thanks to more low-end pull and midrange grunt along with enhanced throttle response via a new throttle body. Revised suspension linkage and [...]
2010 Honda CRF450R – Specifications
Model: CRF450R Engine Type: 449cc liquid-cooled single-cylinder four-stroke Bore and Stroke: 96mm x 62.1mm Compression ratio: 12.0:1 Valve Train: Unicam, four-valve; 36mm intake, titanium; 30mm exhaust, steel Induction: Programmed Fuel Injection (PGM-FI), 50mm throttle body Ignition: Full transistor with three-gear-position electronic advance Transmission: Close-ratio five-speed Final Drive: #520 chain; 13T/48T Suspension Front: 48mm inverted KYB [...]
