14 August. Friday 2026
Kawasaki KX 450SR - 2024 Specifications and Reviews
The 2024 Kawasaki KX 450SR is a liquid-cooled four-stroke motocross machine designed for competitive off-road racers and serious enthusiasts. Powered by a 449cc single-cylinder engine with advanced fuel injection and DOHC technology, it delivers reliable performance and precision handling. This bike excels in competitive motocross environments where power delivery and rideability are paramount.
General information | |
| Price as new | Do you know this bike?Click here to rate it. We miss 2 votes to show the rating. |
| Type | Cross / motocross |
| Year model | 2024 |
| Model name | Kawasaki KX 450SR |
| | |
Engine and Transmission Specifications | |
| Clutch | Wet multi-disc, manual |
| Transmission type | Chain (final drive) |
| Gearbox | 5-speed |
| Cooling system | Liquid |
| Ignition | Digital CDI with 3 Coupler Options |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) |
| Fuel system | Injection. DFI® with 44mm Keihin throttle body |
| Bore x stroke | 96.0 x 62.0 mm (3.8 x 2.4 inches) |
| Compression | 12.5:1 |
| Type of engine | Single cylinder, four-stroke |
| Capacity: | 449.0 ccm (27.40 cubic inches) |
Brakes, suspension, Frame and wheels | |
| Wheels | Wire spoked |
| Rear brakes | Single disc. Petal disc. Single-piston caliper. |
| Diameter | 270 mm (10.6 inches) |
| Front brakes | Single disc. Semi-floating petal discs. Dual piston. |
| Rear tire | 120/80-19 |
| Front tire | 80/100-21 |
| Rear wheel travel | 307 mm (12.1 inches) |
| Rear suspension | Uni-Trak® gas charged shock with piggyback reservoir with dual-range (4 turns stepless high speed/19-way low-speed) compression damping, 38-way rebound damping and adjustable preload |
| Front wheel travel | 315 mm (12.4 inches) |
| Front suspension | 49mm inverted telescopic coil-spring fork with 16-way compression damping and 16-way rebound damping |
| Trail | 122 mm (4.8 inches) |
| Rake (fork angle) | 27.6° |
| Frame type | Aluminum perimeter |
| | |
Physical measures and capacities | |
| Fuel capacity | 6.20 litres (1.64 US gallons) |
| Wheelbase | 1485 mm (58.5 inches) |
| Ground clearance | 340 mm (13.4 inches) |
| Overall width | 820 mm (32.3 inches) |
| Overall length | 2185 mm (86.0 inches) |
| Overall height | 1265 mm (49.8 inches) |
| Seat height | 955 mm (37.6 inches) If adjustable, lowest setting. |
| Weight incl. oil, gas, etc | 110.2 kg (242.9 pounds) |
| Dry weight | 105.6 kg (232.7 pounds) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Update specs | |
| Starter | Electric |
| Color options | Lime Green |
Performance Profile & Rider Fit
Best For
Track85%
City5%
Cornering90%
Daily Riding10%
Touring5%
Passenger5%
Rider Profile
| Best For | This bike suits experienced off-road and motocross riders comfortable with a tall, aggressive competition machine. |
| Purpose | Built purely for closed-course motocross racing, not for street use or general recreation. |
| Rider Fit | Demands strong rider fitness and confidence given its tall 955mm seat height, light weight, and full-size suspension travel. |
| Character | A race-ready, high-strung single-cylinder motocrosser that rewards aggressive riding with sharp handling and huge suspension travel. |
| Not Ideal For | Not suitable for beginners, commuting, passengers, or anyone wanting road-legal or touring capability. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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