KR250

1975 Kawasaki KR250 Technical Analysis & Specification Breakdown

At the heart of the 1975 Kawasaki KR250 sport motorcycle, Kawasaki features a 247 cc (15.1 cu in) liquid-cooled twin, two-stroke configuration. In factory specification, peak output is rated at 55 HP (40.1 kW) at 12,000 rpm while maximum torque reaches 47.5 Nm (35 lb-ft) at 10,000 rpm. With a specific output of 222.7 HP per liter and a 2,000 rpm working window between peak torque (10,000 rpm) and peak power (12,000 rpm), the engine character is placing it firmly in high-revving supersport territory where top-end breathing dominates.

On the scales, the KR250 measures 104 kg (229 lbs) dry, translating to a power-to-weight ratio of 0.53 HP/kg (1.89 kg per horsepower). Rider ergonomics and chassis geometry center around a 1,360 mm (53.5 in) wheelbase engineered for quick, flickable steering geometry.

Within MotoLibrary's Kawasaki archive, this model family spans 3 indexed model years from 1975 to 1977, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.