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2022 Kawasaki KX450
Product #kx450-22
The KX450 has always been built with one goal in mind: to put riders on the top step of the podium. With over 40 years of KX heritage, Kawasaki delivers an unrivalled MX1 category machine with a stronger engine mounted in the leanest chassis to date. On top of that, the machine has many class defining features ensuring riders reach the podium in style.
Kawasaki KX450 2022
Engine
Engine type Liquid-cooled, 4-stroke Single
Displacement 449 cm³
Bore x stroke 96 x 62.1 mm
Compression ratio 12.5:1
Valve system DOHC, 4 valves
Fuel system Fuel injection: Ø 44 mm x 1
Ignition Digital DC-CDI
Starting System Electric
Lubrication Forced lubrication, semi‑dry sump
Transmission
Transmission 5-speed
Final drive Chain
Primary Reduction Ratio 2.727 (60/22)
Gear Ratios 1st 1.750 (28/16)
Gear Ratios 2nd 1.412 (24/17)
Gear Ratios 3rd 1.188 (19/16)
Gear Ratios 4th 1.000 (19/19)
Gear Ratios 5th 0.875 (21/24)
Final reduction ratio 3.846 (50/13)
Clutch Wet multi-disc, manual
Brakes & Suspension
Brakes, front Single semi-floating 270 mm petal disc. Caliper: Dual-piston
Brakes, rear Single 250 mm petal disc. Caliper: Single-piston
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.
Frame & Dimensions
Frame type TBD
Trail 122 mm
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°
L x W x H 2,185 x 820 x 1,265 mm
Wheelbase 1,485 mm
Ground clearance 340 mm
Fuel capacity 6.2 litres
Seat height 955 mm
Curb mass 110.2 kg

The KX450 has always been built with one goal in mind: to put riders on the top step of the podium. With over 40 years of KX heritage, Kawasaki delivers an unrivalled MX1 category machine with a stronger engine mounted in the leanest chassis to date. On top of that, the machine has many class defining features ensuring riders reach the podium in style.