Kawasaki KX 450F - 2018 Specifications and Reviews
The 2018 Kawasaki KX450F is a high-performance four-stroke motocross bike designed for intermediate to advanced riders seeking competitive racing capability. Known for its potent engine delivery and aggressive handling characteristics, it excels in both sand and hard-packed terrain. The lightweight frame and responsive suspension setup make it ideal for riders prioritizing speed and precision control.
General information | |
| Category | Cross / motocross |
| Year | 2018 |
| Model | Kawasaki KX 450F |
Engine and Transmission Specifications | |
| Clutch | Wet multi-disc |
| Transmission type,final drive | Chain |
| Gearbox | 5-speed |
| Cooling system | Liquid |
| Lubrication system | Forced lubrication, semi and #8209;dry sump |
| Ignition | Digital DC-CDI |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) |
| Fuel system | Injection. DFI® w/43mm Keihin throttle body |
| Valves per cylinder | 4 |
| Bore x Stroke | 96.0 x 62.1 mm (3.8 x 2.4 inches) |
| Compression | 12.8:1 |
| Engine type | Single cylinder, four-stroke |
Brakes, suspension, Frame and wheels | |
| Rear brakes diameter | 240 mm (9.4 inches) |
| Rear brakes | Single disc. Petal disc with single-piston caliper |
| Front brakes diameter | 270 mm (10.6 inches) |
| Front brakes | Single disc. Petal disc with 2-piston caliper |
| Rear tyre | 120/80-19 |
| Front tyre | 80/100-21 |
| Rear wheel travel | 305 mm (12.0 inches) |
| Rear Suspension | Uni-Trak® linkage system and Showa shock, 19-position low-speed and 4-turns high-speed compression damping, 22-position rebound damping and fully adjustable spring preload |
| Front wheel travel | 305 mm (12.0 inches) |
| Front Suspension | Inverted Showa SFF-Air TAC fork with Triple Air Chamber, DLC coated sliders, 22-position compression and 20-position rebound damping adjustment |
| Trail | 127 mm (5.0 inches) |
| Rake (fork angle) | 28.2° |
| Frame type | Perimeter, aluminium |
| | |
Physical measures and capacities | |
| Fuel capacity | 6.21 litres (1.64 gallons) |
| Wheelbase | 1,495 mm (58.9 inches) |
| Ground clearance | 335 mm (13.2 inches) |
| Overall width | 820 mm (32.3 inches) |
| Overall length | 2,195 mm (86.4 inches) |
| Overall height | 1,280 mm (50.4 inches) |
| Seat height | 950 mm (37.4 inches) If adjustable, lowest setting. |
| Weight incl. oil, gas, etc | 108.8 kg (239.8 pounds) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Starter | Kick |
| Color options | Lime Green |
Performance Profile & Rider Fit
Best For
Track95%
City5%
Cornering90%
Daily Riding10%
Touring5%
Passenger0%
Rider Profile
| Best For | This is a full-power motocross machine best suited to experienced off-road or racing riders, not beginners. |
| Purpose | Built purely for closed-course motocross racing and aggressive off-road riding, not general transportation. |
| Rider Fit | Demands strong physical fitness and technique, with a tall 950mm seat height, kick start, and no seating comfort for extended riding. |
| Character | A raw, high-strung, race-bred single-cylinder machine that rewards aggressive, committed riding with explosive acceleration and razor-sharp handling. |
| Not Ideal For | Not suitable for commuting, touring, passengers, or riders seeking comfort and low-maintenance road use. |
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 2018 Kawasaki KX 450F is a top-of-the-line motocross bike that offers impressive power and handling. With a 449cc engine and lightweight aluminum frame, this motorcycle is designed for high performance on the track. The advanced suspension system and responsive brakes provide excellent control, making it an ideal choice for experienced riders. The sleek design and quality construction of the KX 450F make it a standout in the competitive motocross market. Overall, the 2018 Kawasaki KX 450F is a remarkable motocross bike that delivers on performance and style. Its powerful engine, advanced suspension, and precision handling make it a top choice for serious riders. Whether you're hitting the track or tackling challenging terrain, the KX 450F is a reliable and powerful companion for any motocross enthusiast. Experience the thrill of the 2018 Kawasaki KX 450F and take your riding to the next level.Add a Comment
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