Kawasaki KX 125 - 2006 Specifications and Reviews
The 2006 Kawasaki KX 125 is a lightweight motocross bike designed for young riders and beginners entering competitive off-road racing. Its compact 124cc four-stroke engine delivers responsive power ideal for learning fundamental riding skills on the track. The KX 125 became legendary as the primary stepping stone motorcycle for aspiring professional motocross racers worldwide.
General information | |
| Category | Cross / motocross |
| Year | 2006 |
| Model | Kawasaki KX 125 |
| | |
Engine and Transmission Specifications | |
| Transmission type,final drive | Chain |
| Gearbox | 6-speed |
| Cooling system | Liquid |
| Ignition | Digital CDI |
| Fuel control | OHV |
| Fuel system | Carburettor |
| Bore x stroke | 54.0 x 54.5 mm (2.1 x 2.1 inches) |
| Compression | 10.9:1 |
| Torque | 26.50 Nm (2.7 kgf-m or 19.5 ft.lbs) @ 2700 |
| Power | 40.49 |
| Engine type | Single cylinder, four-stroke |
| Capacity: | 124.00 ccm (7.57 cubic inches) |
Brakes, suspension, Frame and wheels | |
| Rear tyre dimensions | 100/90-M19 |
| Front tyre dimensions | 80/100-M21 |
| Rear suspension travel | 275 mm (10.8 inches) |
| Rear suspension | 310 mm |
| Front suspension travel | 275 mm (10.8 inches) |
| Front suspension | 300 mm |
| Rake (fork angle) | 27.0° |
| Frame type | Perimeter, high-tensile steel |
Physical measures and capacities | |
| Fuel capacity | 8.20 litres (2.17 gallons) |
| Wheelbase | 1,470 mm (57.9 inches) |
| Overall width | 815 mm (32.1 inches) |
| Overall length | 2,165 mm (85.2 inches) |
| Overall height | 1,265 mm (49.8 inches) |
| Seat height | 945 mm (37.2 inches) If adjustable, lowest setting. |
| Power/weight ratio | 0.4654 HP/kg |
| Dry weight | 87.0 kg (191.8 pounds) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Starter | Kick |
Performance Profile & Rider Fit
40.5 hp
Peak Power
Best For
Track60%
City10%
Cornering90%
Daily Riding10%
Touring8%
Passenger5%
Rider Profile
| Best For | This bike suits experienced off-road riders who are comfortable with a tall seat, aggressive power delivery, and no electronic aids. |
| Purpose | Built purely as a competition motocross machine for racing on dirt tracks, not as a street or all-purpose bike. |
| Rider Fit | Demands a fit, athletic rider able to stand on the pegs, shift body weight actively, and handle a firm, high suspension setup. |
| Character | A raw, high-strung racing tool that rewards aggressive riding with sharp handling and explosive acceleration out of corners. |
| Not Ideal For | Not suitable for commuting, touring, passengers, or riders seeking comfort, low seat height, or road-legal usability. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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