KE 125

1978 Kawasaki KE 125 Technical Analysis & Specification Breakdown

Positioned in Kawasaki's enduro - offroad motorcycle lineup, the 1978 Kawasaki KE 125 utilizes a 125 cc (7.6 cu in) air-cooled single cylinder, two-stroke layout. In factory specification, peak output is rated at 10 HP (7.3 kW) at 6,300 rpm, transferring power to the rear wheel through a 6-speed gearbox and chain final drive. With a specific output of 80 HP per liter, the engine character is indicating a tractable, stress-free state of tune focused on everyday usability and broad torque delivery.

On the scales, the KE 125 measures 110 kg (243 lbs) wet (curb), translating to a power-to-weight ratio of 0.09 HP/kg (11 kg per horsepower). The 9.5-liter (2.5 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 94 km/h (58 mph).

Within MotoLibrary's Kawasaki archive, this model family spans 9 indexed model years from 1975 to 1983, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.