The Kawasaki KLX 450 R motorcycle specifications include a 449 cc (27.40 cu in) engine, a 5-speed gearbox, and a listed weight of 450 kg (992.1 lb).
Key specifications
How the Kawasaki KLX 450 R compares
This compares the motorcycle with all Kawasaki models in this specifications database. The blue marker is this model and the grey line is the Kawasaki database average.
About 35% lower than the Kawasaki database average. Around the 34th percentile across Kawasaki models.
About 17% taller than the Kawasaki database average. Around the 96th percentile across Kawasaki models.
About 48% smaller than the Kawasaki database average. Around the 17th percentile across Kawasaki models.
Kawasaki database percentile rankings
Percentiles show where this motorcycle sits across the Kawasaki specifications database. They are descriptive database rankings, not performance ratings.
449 cc — larger displacement than about 34% of Kawasaki models.
940 mm — taller than about 96% of Kawasaki models.
7.9 L — larger than about 17% of Kawasaki fuel tanks in this database.
Dimensions compared with Kawasaki average
Each measurement is compared with the average value across Kawasaki models where that dimension is available.
2,179
2,122
Close to average.
820
833
Close to average.
1,255
1,175
7% above average.
1,481
1,441
Close to average.
940
801
17% above average.
320
187
71% above average.
Mechanical overview
Additional useful specifications
| Front tire size | 80/80-21 |
|---|---|
| Rear tire size | 110/90-18 |
| Front tire width | 80 mm |
| Front tire aspect ratio | 80% |
| Front rim diameter | 21 in |
| Rear tire width | 110 mm |
| Rear tire aspect ratio | 90% |
| Rear rim diameter | 18 in |
| Bore/stroke ratio | 1.55:1 (Oversquare) |
Model information
| Year released | 2009 |
|---|
Engine specifications
| Engine type | Single cylinder, four-stroke |
|---|---|
| Displacement | 449 cc (27.40 cu in) |
| Bore × stroke | 96.0 x 62.1 mm (3.8 x 2.4 inches) |
| Compression ratio | 12.0:1 |
| Valves per cylinder | 4 |
| Cooling system | Liquid |
| Fuel system | Carburettor. Keihin FCR40 |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) |
| Ignition | Digital AC-CDI |
| Starter | Electric & kick |
Transmission and drivetrain
| Gearbox | 5-speed |
|---|---|
| Final drive | Chain (final drive) |
Chassis and suspension
| Frame | Aluminum, perimeter design |
|---|---|
| Front suspension | 48mm inverted AOS-type cartridge fork with 22-way compression damping and 20-way rebound damping / 12.0 in. |
| Rear suspension | UNI-TRAK® single shock system with 22-way low-speed, two-turn variable high-speed compression damping and 22-way rebound damping / 12.4 in. |
| Rake | 27.7° |
| Trail | 122 mm (4.8 inches) |
Brakes, wheels and tires
| Front brakes | Single disc |
|---|---|
| Rear brakes | Single disc |
| Front tire | 80/80-21 |
| Rear tire | 110/90-18 |
Dimensions and weight
| Dry weight | 450 kg (992.1 lb) |
|---|---|
| Seat height | 940 mm (37.0 inches) |
| Overall length | 2,179 mm (85.8 inches) |
| Overall width | 820 mm (32.3 inches) |
| Overall height | 1,255 mm (49.4 inches) |
| Wheelbase | 1,481 mm (58.3 inches) |
| Ground clearance | 320 mm (12.6 inches) |
Fuel and emissions
| Fuel capacity | 7.94 L (2.10 US gal) |
|---|
Other specifications
| Color options | Lime Green |
|---|---|
| Price as new | US$ 7499. MSRP depends on country, taxes, accessories, etc. |
Disclaimer: Specifications may vary by market, trim, production date and optional equipment, and scraped or historical data can contain errors. Comparison and percentile values are calculated from Kawasaki models in this specifications database. Always double-check important specifications against the motorcycle owner’s/service manual and official Kawasaki information before relying on them. Visit the official Kawasaki website.