>KX 450f
KX 450f 2018-06-06T15:20:36+00:00

KX 450F

The KX450F motorcycle is the most powerful, lightweight, and agile KX450F ever. Developed from the highest levels of racing, this championship bike has advanced technology sourced straight from the world’s premier race team—another reason why the KX450F is The Bike That Builds Champions.

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Engine 4-stroke, 1-cylinder, DOHC, water-cooled
Displacement 449cc
Bore x Stroke 96.0 x 62.1mm
Compression ratio 12.8:1
Fuel System Fuel injection: φ43 mm x 1
Ignition Digital DC-CDI
Transmission 5-speed, return
Final Drive Chain


Front Suspension / Wheel Travel 49 mm inverted Separate Function front Fork Air – Triple Air Chamber (SFF-Air TAC). Compression damping: 22-way. Rebound damping: 20-way / 12 in
Rear Suspension / Wheel Travel  Uni-Trak. Compression damping: 19-way (low-speed), 4-turns or more (high-speed). Rebound damping: 22way. Spring preload: Fully adjustable / 12 in
Front Tire 80/100-21
Rear Tire 120/80-19
Front Brakes Single semi-floating 270mm Braking® petal disc with dual-piston caliper
Rear Brakes Single 240mm Braking® petal disc with single-piston caliper


Frame Type Aluminum perimeter
Rake/Trail 28.2°/126 mm
Overall Length 86.4 in
Overall Width 32.3 in
Overall Height 50.4 in
Ground Clearance
13.2 in
Seat Height 37.4 in
Curb Weight 239.8 lb**
Fuel Capacity
1.66 gal
Wheelbase 58.9 in
Color Choices Lime Green