14 August. Friday 2026
Kawasaki KMX 125 - 1986 Specifications and Reviews
The 1986 Kawasaki KMX 125 is a lightweight enduro designed for novice and recreational off-road riders seeking affordable trail capability. Its liquid-cooled single-cylinder engine delivers modest but adequate power for unpaved terrain, while the nimble 118 kg chassis and 6-speed transmission make it an accessible entry point into dual-sport riding.
General information | |
| Category | Enduro / offroad |
| Year | 1986 |
| Model | Kawasaki KMX 125 |
Engine and Transmission Specifications | |
| Transmission typefinal drive | Chain |
| Gearbox | 6-speed |
| Cooling system | Liquid |
| Fuel control | Membrane |
| Bore x stroke | 54.0 x 54.4 mm (2.1 x 2.1 inches) |
| Compression | 7.8:1 |
| Power | 17.00 |
| Stroke | 2 |
| Engine type | Single cylinder |
| Capacity: | 125.00 ccm (7.63 cubic inches) |
Physical measures and capacities | |
| Weight incl. oil, gas, etc | 118.0 kg (260.1 pounds) |
| | |
Kawasaki KMX 125 dimensions and frame | |
| Rear brakes | Single disc |
| Front brakes | Single disc |
| Rear tyre dimensions | 4.10-18 |
| Front tyre dimensions | 2.75-21 |
Speed and acceleration | |
| Top speed | 107.0 km/h (66.5 mph) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Fuel capacity | 9.00 litres (2.38 gallons) |
Performance Profile & Rider Fit
15 hp
Peak Power
66.5 mph
Top Speed
Best For
Track15%
City55%
Cornering55%
Daily Riding40%
Touring15%
Passenger15%
Rider Profile
| Best For | Best suited to beginner and learner riders due to its low power and light, manageable dimensions. |
| Purpose | Designed as a lightweight two-stroke enduro for trail riding, learning off-road skills, and casual commuting rather than outright speed. |
| Rider Fit | The tall-ish seat height and slim, light chassis make it accessible to shorter or lighter riders, though the firm off-road stance rewards an active riding posture. |
| Character | A playful, buzzy little two-stroke that loves being thrown around trails and tight corners but runs out of breath on the open road. |
| Not Ideal For | Not for riders wanting sustained highway speeds, long-distance touring comfort, or a passenger-friendly ride. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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