Print Specs
Back One Page 

 2011 KX450F

Engine
 
Type 449cc, Liquid-cooled, 4-stroke with DOHC / 4-valves
Bore and Stroke 96.0mm x 62.1mm
Compression Ratio 12.5:1
Fuel System 43mm Keihin Throttle body
Ignition Digital DC-CDI
Transmission 5-Speed
Final Drive Chain

Chassis
 
Suspension/Front Uni-Trak® linkage system and Kayaba shock with 50mm piston, 22-position low-speed and stepless high-speed compression damping, 33-position rebound dampening and fully adjustable spring preload / 12.4 in.
Suspension/Rear UNI-TRAK® linkage system and Kayaba shock with 50mm piston, 22-position low-speed and stepless high-speed compression dampening, 33-position rebound dampening and fully adjustable spring preload / 12.4 in.
Front Tire 90/100-21
Rear Tire 120/80-19
Front Brake Single semi-floating 250mm petal disc with dual piston caliper
Rear Brake Single 240mm petal disc with single-piston caliper
Length 86.0"
Width 32.3"
Height 50.4"
Wheelbase 58.3"
Ground Clearance 13.2"
Seat Height 37.8"
Curb Weight 249.9 lbs
Fuel Capacity 1.9 Gallons
Colors Lime Green