Commander
1989 Norton Commander Technical Analysis & Specification Breakdown
Positioned in Norton's sport touring motorcycle lineup, the 1989 Norton Commander relies on a 588 cc (35.9 cu in) liquid-cooled dual disk wankel powerplant. In factory specification, peak output is rated at 85 HP (62 kW) at 9,000 rpm, transferring power to the rear wheel through a 5-speed gearbox and chain final drive. With a specific output of 144.6 HP per liter, the engine character is placing it firmly in high-revving supersport territory where top-end breathing dominates.
On the scales, the Commander measures 262 kg (578 lbs) wet (curb), translating to a power-to-weight ratio of 0.32 HP/kg (3.08 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 192 km/h (119 mph).
Within MotoLibrary's Norton 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.
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