Enduro 400
1990 KTM Enduro 400 Technical Analysis & Specification Breakdown
Built around KTM's enduro - offroad motorcycle platform, the 1990 KTM Enduro 400 features a 344 cc (21 cu in) liquid-cooled single cylinder, two-stroke configuration. In factory specification, peak output is rated at 17 HP (12.4 kW) at 7,200 rpm, transferring power to the rear wheel through a 5-speed gearbox and chain final drive. With a specific output of 49.4 HP per liter, the engine character is prioritizing low-RPM tractability, mechanical longevity and relaxed throttle response over peak redline numbers.
On the scales, the Enduro 400 measures 125 kg (276 lbs) wet (curb), translating to a power-to-weight ratio of 0.14 HP/kg (7.35 kg per horsepower). The 12-liter (3.2 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 110 km/h (68 mph).
Within MotoLibrary's KTM archive, this model family spans 2 indexed model years from 1987 to 1990, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
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