KMX 125

1986 Kawasaki KMX 125 Technical Analysis & Specification Breakdown

Positioned in Kawasaki's enduro - offroad motorcycle lineup, the 1986 Kawasaki KMX 125 features a 125 cc (7.6 cu in) liquid-cooled single cylinder, two-stroke configuration. In factory specification, peak output is rated at 17 HP (12.4 kW) at 8,500 rpm, transferring power to the rear wheel through a 6-speed gearbox and chain final drive. With a specific output of 136 HP per liter, the engine character is reflecting a performance-oriented street tune that balances strong mid-range pull with an energetic top-end rush.

On the scales, the KMX 125 measures 118 kg (260 lbs) wet (curb), translating to a power-to-weight ratio of 0.14 HP/kg (6.94 kg per horsepower). The 9-liter (2.4 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 107 km/h (66 mph).

Within MotoLibrary's Kawasaki archive, this model family spans 7 indexed model years from 1986 to 2001, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.