T. T.

1992 Norton T. T. Technical Analysis & Specification Breakdown

At the heart of the 1992 Norton T. T. speedway motorcycle, Norton relies on a 588 cc (35.9 cu in) liquid-cooled dual disk wankel powerplant. In factory specification, peak output is rated at 90 HP (65.7 kW) at 9,500 rpm, transferring power to the rear wheel through a 5-speed gearbox and chain final drive. With a specific output of 153.1 HP per liter, the engine character is placing it firmly in high-revving supersport territory where top-end breathing dominates.

On the scales, the T. T. measures 228 kg (503 lbs) wet (curb), translating to a power-to-weight ratio of 0.39 HP/kg (2.53 kg per horsepower). The 25-liter (6.6 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 215 km/h (134 mph).