main content of page
Professional rider(s) on a closed course.
KX™450
FOR THE CHAMPION INSIDE ALL OF US
Professional rider(s) on a closed course.
MODEL SPECS |
BREMBO BRAKE
COMPONENTS
ODI LOCK-ON
GRIPS
Click on a technology to learn more.
Engine Management Technology |
Chassis Management Technology |
Engine | 4-stroke, single-cylinder, DOHC, liquid-cooled |
Displacement | 449cc |
Bore x Stroke | 96.0 x 62.1mm |
Compression Ratio | 12.5:1 |
Fuel System | DFI® with 44mm Keihin throttle body |
Ignition | Digital CDI with handlebar-controlled Power Modes |
Transmission | 5-speed, return shift, with wet multi-disc manual clutch and hydraulic clutch actuation |
Final Drive | Chain |
Electronic Rider Aids | Power Modes, Kawasaki TRaction Control (KTRC), Launch Control Mode |
Front Suspension / Wheel Travel | 49mm Showa inverted telescopic coil-spring fork with 21-way adjustable compression and 22-way adjustable rebound damping/12.0 in |
Rear Suspension / Wheel Travel | Uni-Trak® gas charged shock with piggyback reservoir with adjustable dual-range compression damping (19-way low speed and 4.25 turn stepless high speed), 23-way adjustable rebound damping and stepless adjustable preload/12.1 in |
Front Tire | 80/100-21 |
Rear Tire | 120/80-19 |
Front Brakes | Single semi-floating 270mm Braking/Sunstar petal disc with Brembo master cylinder and dual-piston caliper |
Rear Brakes | Single 240mm Braking/Sunstar petal disc with single-piston caliper |
Frame Type | Aluminum perimeter |
Rake/Trail | 26.6°/4.5 in |
Overall Length | 85.8 in |
Overall Width | 32.3 in |
Overall Height | 50.0 in |
Ground Clearance | 13.6 in |
Seat Height | 37.8 in |
Curb Weight | 238.3 lb* without fuel / 248.2 lb* |
Fuel Capacity | 1.64 gal |
Wheelbase | 58.3 in |
Special Features | Smartphone Connectivity via RIDEOLOGY THE APP KX, ERGO-FIT® |
Color Choices | Lime Green |
Warranty | Not Available |
*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).
KAWASAKI CARES: Read Owner’s Manual and all on-product warnings. Always wear a helmet, eye protection and proper apparel. Never ride under the influence of drugs or alcohol. Adhere to the maintenance schedule in your Owner’s Manual. ©2024 Kawasaki Motors Corp., U.S.A.
Specifications subject to change.
GALLERY |
![](https://media.kawasaki.com/contentstorage/02c7cd58-35c7-49cd-b0c7-c2c378c42936.jpg?w=550)
2024 KX™450: CHAMPIONSHIP MOMENT
![](https://media.kawasaki.com/contentstorage/18c56e8d-7284-4933-99cc-590783d079e9.jpg?w=550)
2024 KX™️450 PRODUCT WALK AROUND VIDEO
![](https://media.kawasaki.com/contentstorage/42ba90cd-1556-401a-840f-bd19cc29551a.jpg?w=550)
Science of Supermotocross Engineered by Kawasaki – Episode 133 (Transition from SX to MX)
![](https://media.kawasaki.com/contentstorage/871d03c9-2b83-44a8-9cbb-41066e40dd4c.jpg?w=550)
Science of Supermotocross Engineered by Kawasaki – Episode 134 (TIRE SELECTION)
![](https://media.kawasaki.com/contentstorage/99709703-d357-4157-a263-9d594c26271d.jpg?w=550)
Science of Supermotocross Engineered by Kawasaki – Episode 135 (DIRT)
![](https://media.kawasaki.com/contentstorage/ce364fa6-14a3-4cba-a3f8-20458837c30a.jpg?w=550)
Science of Supermotocross Engineered by Kawasaki – Episode 136 (TESTING)
Professional rider(s) on a closed course.
SELECT A DISTRIBUTOR TO FIND A KAWASAKI
DEALER IN YOUR AREA
Locate a Dealer
DEALER IN YOUR AREA
SIMILAR MODELS |
FULL-SIZE MX
KX™250
KX™450