2009 CRF450X
ENGINE
Engine Type	449cc liquid-cooled single-cylinder Unicam four-stroke
Bore and Stroke	96.0 x 62.1mm
Induction	40.0mm Keihin© flat-slide
Compression Ratio	12.0:1
Valve Train	Unicam; four-valve
Ignition	CD
DRIVE TRAIN
Transmission	Wide-ratio five-speed
Final Drive	#520 T-ring-sealed chain; 13T/51T
CHASSIS / SUSPENSION / BRAKES
Front Suspension	47.0mm inverted Showa® cartridge fork with 16-position rebound and 16-position compression damping adjustability; 12.4-inch travel
Rear Suspension	Pro-Link® Showa single-shock with spring preload, 13-position [low-speed] and 3.5-turn [high-speed] compression damping and 17-position rebound damping adjustability; 12.4-inch travel
Front Brakes	Single-disc with twin-piston caliper
Rear Brakes	Single-disc
Front Tire	80/100-21
Rear Tire	110/100-18
DIMENSIONS
Rake	27.05 degrees
Trail	115 mm (4.5 inches)
Wheelbase	58.2 inches
Seat Height	37.9 inches
Ground Clearance	13.6 inches
Curb Weight	269 lbs (Includes all standard equipment, required fluids and a full tank of fuel—ready to ride)
Fuel Capacity	1.9 gallons
Available Colors	Red