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Kawasaki KLX450R - 2021 Specifications and Reviews
The 2021 Kawasaki KLX450R is a competitive-focused enduro machine built for serious off-road riders and motocross enthusiasts. Powered by a liquid-cooled 449cc single-cylinder four-stroke engine with DOHC technology, it delivers reliable performance on challenging terrain. Known for its lightweight construction and nimble handling, the KLX450R excels in both trail riding and amateur racing applications.
General information | |
| Category | Enduro / offroad |
| Year | 2021 |
| Model | Kawasaki KLX450R |
| | |
Engine and Transmission Specifications | |
| Clutch | Wet multi-disc, manual |
| Transmission type | Chain (final drive) |
| Gearbox | 5-speed |
| Cooling system | Liquid |
| Lubrication system | Forced lubrication, semi and #8209;dry sump |
| Ignition | Digital AC-CDI |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) |
| Fuel system | Carburettor. Keihin FCR MX40 |
| Valves per Cylinder | 4 |
| Bore x Stroke | 96.0 x 62.1 mm (3.8 x 2.4 inches) |
| Compression | 12.0:1 |
| Engine type | Single cylinder, four-stroke |
| Capacity: | 449.0 ccm (27.40 cubic inches) |
Brakes, suspension, Frame and wheels | |
| Rear brakes | Single disc |
| Diameter | 250 mm (9.8 inches) |
| Front brakes | Double disc. Dual piston |
| Rear tire | 120/90-18 |
| Front tire | 80/100-21 |
| Rear wheel travel | 315 mm (12.4 inches) |
| Rear Suspension | Uni-Trak with 22-way low-speed, 2 turns or more high speed compression damping, 22 way rebound damping and adjustable spring preload |
| Front wheel travel | 305 mm (12.0 inches) |
| Front Suspension | 48 mm inverted AOS type telescopic fork with 22-way compression and 18-way rebound damping |
| Frame type | Perimeter, aluminium |
Physical measures and capacities | |
| Fuel capacity | 8.00 litres (2.11 US gallons) |
| Wheelbase | 1480 mm (58.3 inches) |
| Ground clearance | 315 mm (12.4 inches) |
| Overall width | 860 mm (33.9 inches) |
| Overall length | 2220 mm (87.4 inches) |
| Overall height | 1250 mm (49.2 inches) |
| Seat height | 935 mm (36.8 inches) If adjustable, lowest setting. |
| Weight incl. oil, gas, etc | 126.0 kg (277.8 pounds) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Factory warranty | 3 Months Parts Only |
| Starter | Electric & kick |
| Color options | Lime Green |
Performance Profile & Rider Fit
Best For
Track55%
City15%
Cornering60%
Daily Riding15%
Touring12%
Passenger5%
Rider Profile
| Best For | This is a competition-focused enduro machine best suited to experienced off-road riders comfortable with a tall, firm, race-bred motorcycle. |
| Purpose | Built purely for aggressive trail riding, enduro competition, and technical off-road terrain rather than road use. |
| Rider Fit | The tall 935mm seat height, minimal weight at 126kg, and firm long-travel suspension demand good rider fitness, leg length, and off-road technique. |
| Character | A light, high-revving, single-cylinder dirt weapon with fully adjustable premium suspension that rewards an active, standing-up riding style. |
| Not Ideal For | Not suitable for commuting, highway travel, passengers, or riders seeking a plush, low, easy-to-manage everyday bike. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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Rider Reviews
Total comments: 1
MotorcycleDB Review
The 2021 Kawasaki KLX450R is a powerful and well-built off-road motorcycle that is an excellent choice for riders looking for a versatile and capable machine. With its 449cc engine, the KLX450R offers plenty of power for tackling tough terrain, making it perfect for riders who want to take on challenging off-road trails. The bike's lightweight and agile frame also make it easy to handle, while its advanced suspension system provides a smooth and comfortable ride even over rough terrain. Overall, the 2021 KLX450R is a top-notch off-road motorcycle that delivers impressive performance and durability. In addition to its exceptional performance, the 2021 Kawasaki KLX450R also boasts a stylish and modern design that is sure to turn heads. The bike's aggressive bodywork and sharp lines give it a striking appearance, while its bold color options make it stand out from the crowd. With its high-quality construction and attention to detail, the KLX450R is a motorcycle that not only looks great but is also built to last. Whether you're hitting the trails or carving through the desert, the 2021 KLX450R is a fantastic choice for riders who want a high-performance off-road machine that looks as good as it rides.Add a Comment
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