If you want to go racing, then take the shortcut to the circuit with the KFX450R. Extensive modifications are unnecessary to get this ATV race-ready because Kawasaki has already done the job for you. Out of the crate, the KFX450R comes equipped with the race winning performance to make your entry into racing easier and more successful.


Displacement 449 cc
Type 4-stroke, single cylinder
Bore and stroke 96.0 x 62.1 mm
Cooling Liquid
Compression ratio 12.0:1
Valve system DOHC, 4 valves per cylinder
Fuel system Fuel injection: ø42 mm x 1, Keihin
Ignition Digital AC-CDI
Lubrication Forced lubrication, semi-dry sump


Front: type Dual, 163mm drilled discs
Front: calipers Twin piston, pin slide
Rear: type Single 200mm, petal style drilled disc
Rear: calipers Single-piston, pin slide


Overall length 1,806 mm
Overall width 1,170 mm
Overall height 1,064 mm
Wheelbase 1,255 mm
Seat height 786 mm
Curb mass** 178 kg (392.4 lbs)
Fuel capacity 10 litres


Transmission 5-speed, return shift, reverse
Final drive 2 wheel drive, chain
Primary reduction ratio 2.952 (62/21)
Gear ratio: 1st 2.230 (29/13)
Gear ratio: 2nd 1.800 (27/15)
Gear ratio: 3rd 1.529 (26/17)
Gear ratio: 4th 1.278 (23/18)
Gear ratio: 5th 1.048 (22/21)
Final reduction ratio 2.714 (38/14)
Clutch Wet multi-disc, cable operation


Type Double cradle, aluminum
Wheel travel: front 215 mm
Tire: front AT 21 x 7-10
Wheel travel: rear 254 mm
Tire: rear AT 20 x 10-9
Steering angle (left/right) 42° / 42°
Tread (Front/Rear) 972 mm / 899 mm


Suspension, front Dual A-arms with piggy-back reservoir gas shocks
Suspension, rear Uni-Trak swingarm with piggy-back reservoir gas shock


Warranty 12 months warranty

Factory Limited Warranty Owner's Warranty Guide

This model comes with 12 months factory limited warranty. 


Kawasaki keeps the good times rolling with unlimited kilometers/hours of usage. We have you covered with our nationwide, Kawasaki dealer network. Visit any authorized Kawasaki dealer (for this product line) throughout Canada and continental USA for factory warranty coverage.


Click “Owner’s Warranty Guide” for full details regarding Kawasaki’s factory limited warranty coverage.

Kawasaki Protection Plus Learn More

Kawasaki’s own Kawasaki Protection Plus (KPP) goes the distance with available two, three, and four years of unlimited kilometers/hours additional coverage on top of the original Kawasaki limited warranty. That’s up to seven years total coverage depending on the base warranty term!


Feel secure knowing that Kawasaki Protection Plus repairs are performed only at authorized Kawasaki dealers (for this product line) throughout Canada and continental USA using only Kawasaki genuine parts.


Enjoy additional peace of mind with roadside assistance on street legal motorcycles. Buy early - roadside assistance coverage begins when you buy KPP.


No surprises. There’s no deductible fees with KPP for covered repairs.


Click “Learn More” for more details regarding Kawasaki Protection Plus.



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* The Manufacturer's Suggested Retail Price does not include freight, pre-delivery inspection or applicable taxes. The final price is at the discretion of the dealer. Prices and Specifications are subject to change without prior notice. The amount indicated as "Your price" may include an optional instant Mega Cash credit that is deducted from the manufacturer's suggested retail price before taxes. This promotion is time limited and certain conditions will apply. See your dealer for complete details. Offer not available on financed purchases and cannot be combined with any other special offers. The final price is at the discretion of the dealer. Prices and Specifications are subject to change without prior notice.

** Includes all necessary materials and fluids to operate correctly, full tank of fuel (more than 90% of capacity) and tool kit (if supplied)

‡ Power / Torque figures measured at the crankshaft.

The specifications mentioned here apply to and have been achieved by production models under standard operating conditions. We intend only to give a fair description of the vehicle and its performance capabilities but these specifications may not apply to every machine supplied for sale. Kawasaki Heavy Industries, Ltd. reserves the right to alter specifications without prior notice. Equipment illustrated and specifications may vary to meet individual markets. Available colours may vary by market.