2026 KX450
The KX legacy created a long line of champions. The drive to produce more has not slowed down. Our all-new flagship race machine, the KX450 motorcycle, offers next-level engineering and power to dominate the track. Over the decades, we've learned what it takes to win and stay on top. The KX450 embodies this legacy to the fullest.
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Engine
Engine type
Liquid-cooled, 4-stroke Single
Bore x stroke
96 x 62.1 mm
Valve/Induction system
DOHC, 4 valves
Fuel system
Fuel injection: 44 mm x 1
Lubrication
Forced lubrication, semi-dry sump
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Frame & Dimensions
Frame type
Perimeter, aluminium
Wheel travel - front
305 mm
Wheel travel - rear
307 mm
Tyre - front
80/100-21 51M
Tyre - rear
120/80-19 63M
Steering angle - left / right
42 / 42
Dimensions (L x W x H)
2,180 x 820 x 1,270 mm
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Brakes & Suspension
Suspension - front
49 mm inverted telescopic fork with adjustable compression and rebound damping.
Suspension - rear
New Uni-Trak with adjustable dual-range (high/lowspeed) compression damping, adjustable rebound damping and adjustable preload.
Brakes - front
Single semi-floating 270 mm petal disc. Caliper: Brembo Dual-piston
Brakes - rear
Single 240 mm petal disc. Caliper: Single-piston