Features Specifications: CRF450X Motocross
SPECIFICATIONS:
Engine Type:449cc liquid-cooled
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.
IgnitionFull Transistor with three-gearposition electronic advance
DRIVE TRAIN:
Transmission:Close-ratio five-speed
Final Drive:#520 chain; 13T/48T