Kawasaki KX450 - 2026 Specifications and Reviews

The 2026 Kawasaki KX450 is a high-performance 450cc four-stroke motocross bike engineered for competitive and serious amateur riders. It delivers aggressive power through its 12.5:1 compression ratio engine and lightweight aluminum perimeter frame, excelling in aggressive terrain and racing applications. Known for its potent acceleration and responsive handling, it's the weapon of choice for riders demanding top-tier performance.

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Engine and Transmission Specifications

Final DrivePERFORMANCE
ClutchWet multi-disc, manual
Gearbox5-speed, return
Lubrication SystemForced lubrication, semi-dry sump
IgnitionDigital DC-CDI
InductionFuel injection: ø44 mm x 1
Compression Ratio12.5:1
Bore x Stroke96.0 x 62.1 mm
 
 

Physical measures and capacities

Fuel Capacity*Curb weight includes all necessary materials and fluids to operate correctly, full tank of fuel (more than 90 percent capacity) and tool kit (if supplied).
Wet Weight112.6 kg (248 lb)
Seat Height960 mm (37.8 in)
Wheelbase1,480 mm (58.3 in)

Kawasaki KX450 dimensions and frame

Rear Tyre120/80-19 63M
Front Tyre80/100-21 51M
FramePerimeter, aluminum
 
 

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay

Performance Profile & Rider Fit

Best For

Track90%
City10%
Cornering85%
Daily Riding8%
Touring5%
Passenger0%

Rider Profile

Best ForThis is a full-blown motocross competition bike best suited to experienced off-road or motocross riders, not beginners or road riders.
PurposeBuilt purely for motocross racing on closed circuits, jumps, and rough terrain rather than any form of street use.
Rider FitIts tall seat height, minimal weight, and aggressive ergonomics demand good rider fitness, strength, and off-road skill to control effectively.
CharacterA razor-sharp, lightweight, high-revving dirt weapon that rewards aggressive, athletic riding with explosive agility over jumps and rough tracks.
Not Ideal ForIt is not suitable for commuting, touring, passengers, or anyone seeking comfort, storage, or street-legal practicality.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Reviews

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