Tengai

1989 Kawasaki Tengai Technical Analysis & Specification Breakdown

Engineered by Kawasaki for the allround motorcycle segment, the 1989 Kawasaki Tengai pairs a 652 cc (39.8 cu in) liquid-cooled single cylinder, four-stroke architecture with road-focused gearing. In factory specification, peak output is rated at 41 HP (29.9 kW) at 7,000 rpm, transferring power to the rear wheel through a 5-speed gearbox and chain final drive. With a specific output of 62.9 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 Tengai measures 190 kg (419 lbs) wet (curb), translating to a power-to-weight ratio of 0.22 HP/kg (4.63 kg per horsepower). The 23-liter (6.1 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 156 km/h (97 mph).

Within MotoLibrary's Kawasaki archive, this model family spans 4 indexed model years from 1989 to 1992, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.