14 August. Friday 2026
Kawasaki KX 450 F Monster Energy - 2009 Specifications and Reviews
The 2009 Kawasaki KX 450 F Monster Energy is a competitive 449cc four-stroke motocross machine designed for intermediate to advanced riders seeking professional-level performance. Known for its potent liquid-cooled engine and responsive fuel injection, it delivers strong acceleration and handling characteristics ideal for both track racing and high-performance recreational riding. This lightweight, nimble bike excels in competitive motocross environments.
2009
General information | |
| Category | Cross / motocross |
| Year | 2009 |
| Model | Kawasaki KX 450 F Monster Energy |
Engine and Transmission Specifications | |
| Gearbox | 5-speed |
| Cooling system | Liquid |
| Ignition | Digital DC-CDI |
| Fuel control | DOHC |
| Valves per cylinder | 4 |
| Fuel system | Injection |
| Bore x stroke | 96.0 x 62.1 mm (3.8 x 2.4 inches) |
| Compression | 12.5:1 |
| Stroke | 4 |
| Engine type | Single cylinder |
| Capacity: | 449.00 ccm (27.40 cubic inches) |
Physical measures and capacities | |
| Wheelbase | 1,481 mm (58.3 inches) |
| Ground clearance | 340 mm (13.4 inches) |
| Overall width | 820 mm (32.3 inches) |
| Overall length | 2,184 mm (86.0 inches) |
| Seat height | 965 mm (38.0 inches) If adjustable, lowest setting. |
| Weight incl. oil, gas, etc | 112.1 kg (247.1 pounds) |
| | |
Kawasaki KX 450 F Monster Energy dimensions and frame | |
| Rear brakes diameter | 240 mm (9.4 inches) |
| Rear brakes | Single disc |
| Front brakes diameter | 250 mm (9.8 inches) |
| Front brakes | Single disc. Two-piston calipers |
| Rear tyre dimensions | 120/80-19 |
| Front tyre dimensions | 90/80-21 |
| Rear suspension | UNI-TRAK linkage system and Kayaba shock with 22-position low-speed and stepless high-speed compression dampening, 22-position rebound dampening and fully adjustable spring preload / 12.4 in. |
| Front suspension | 48mm inverted, Kayaba AOS with DLC coated sliders, 22-position compression and 20-position rebound dampening adjustment / 12.4 in. |
| Rake (fork angle) | 26.7° |
| Frame type | Steel, double-cradle with box-section single-tube backbone |
Speed and acceleration | |
| Color options | Ebony |
| Fuel capacity | 7.00 litres (1.85 gallons) |
| | |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
Performance Profile & Rider Fit
Best For
Track85%
City10%
Cornering80%
Daily Riding10%
Touring10%
Passenger5%
Rider Profile
| Best For | This is a full-on competition motocross machine best suited to experienced off-road or racing riders, not beginners. |
| Purpose | Built purely for motocross racing and aggressive off-road riding on tracks and rough terrain, not for street use. |
| Rider Fit | The tall 965mm seat height, no-frills suspension travel, and lack of electric start demand strong physical fitness and confident bike handling skills. |
| Character | A raw, high-strung, race-bred machine that rewards aggressive input with explosive acceleration and razor-sharp handling over jumps and rough terrain. |
| Not Ideal For | This is not suitable for commuting, touring, passengers, or riders wanting a comfortable, road-legal daily bike. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
Rider Reviews
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