Kawasaki KX 250 - 1990 Specifications and Reviews
The 1990 Kawasaki KX 250 is a lightweight motocross machine built for competitive riders and enthusiasts seeking a nimble, responsive 2-stroke performer. Its liquid-cooled 249cc engine delivers strong low-to-mid range power ideal for technical terrain and racing. Known for its aggressive handling and high-revving character, the KX 250 remains a popular choice for serious motocross competition.
General information | |
| Category | Cross / motocross |
| Year | 1990 |
| Model | Kawasaki KX 250 |
| | |
Engine and Transmission Specifications | |
| Gearbox | 5-speed |
| Cooling system | Liquid |
| Starter | Kick |
| Ignition | CDI |
| Fuel system | Carburettor |
| Bore x stroke | 67.4 x 70.0 mm (2.7 x 2.8 inches) |
| Torque | 47.50 |
| Power | 52.50 |
| Stroke | 2 |
| Engine type | Single cylinder |
| Capacity: | 249.00 ccm (15.19 cubic inches) |
Physical measures and capacities | |
| Wheelbase | 1,480 mm (58.3 inches) |
| Ground clearance | 385 mm (15.2 inches) |
| Overall width | 815 mm (32.1 inches) |
| Overall length | 2,177 mm (85.7 inches) |
| Overall height | 1,215 mm (47.8 inches) |
| Dry weight | 96.5 kg (212.7 pounds) |
| | |
Kawasaki KX 250 dimensions and frame | |
| Rear brakes diameter | 190 mm (7.5 inches) |
| Rear brakes | Single disc |
| Front brakes diameter | 220 mm (8.7 inches) |
| Front brakes | Single disc |
| Rear tyre dimensions | 110/90-19 62 |
| Front tyre dimensions | 80/100-21 51 |
| Rear suspension travel | 330 mm (13.0 inches) |
| Rear suspension | Monoshock |
| Front suspension travel | 310 mm (12.2 inches) |
| Front suspension | Inverted Forks |
| Trail | 113 mm (4.4 inches) |
| Rake (fork angle) | 26.5° |
Speed and acceleration | |
| Power/weight ratio | 0.5440 HP/kg |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Fuel capacity | 8.50 litres (2.25 gallons) |
Performance Profile & Rider Fit
Best For
Track90%
City10%
Cornering85%
Daily Riding10%
Touring8%
Passenger0%
Rider Profile
| Best For | This is a competition-focused 250cc two-stroke motocrosser best suited to experienced or advanced off-road riders, not beginners. |
| Purpose | Built purely for closed-course motocross racing and aggressive off-road riding, not for street use or transportation. |
| Rider Fit | Its tall seat height, minimal weight, and race-tuned suspension demand strong physical fitness, good bike control, and confidence standing on the pegs. |
| Character | A light, high-revving, aggressive machine that rewards an active, attacking riding style with explosive acceleration out of corners and razor-sharp handling. |
| Not Ideal For | Not suitable for commuting, touring, carrying passengers, or riders seeking comfort and low-maintenance street usability. |
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 1990 Kawasaki KX 250 is a powerful and reliable dirt bike that has stood the test of time. With its strong engine and durable frame, it's no wonder that this bike is still highly sought after by motocross enthusiasts. The smooth handling and responsive suspension make it a joy to ride on the track or trails, and its overall performance continues to impress riders decades after its release. One of the standout features of the 1990 Kawasaki KX 250 is its exceptional power delivery, which allows for quick acceleration and impressive top speed. The bike's sturdy construction and well-designed components make it a reliable choice for riders of all skill levels. With its timeless design and outstanding performance, the 1990 Kawasaki KX 250 remains a standout choice for motocross riders looking for a vintage bike that can still compete with modern models.Add a Comment
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