TR 7 T Tiger Trail

1981 Triumph TR 7 T Tiger Trail Technical Analysis & Specification Breakdown

At the heart of the 1981 Triumph TR 7 T Tiger Trail classic motorcycle, Triumph utilizes a 744 cc (45.4 cu in) air-cooled twin, four-stroke layout. In factory specification, peak output is rated at 42 HP (30.7 kW) at 6,500 rpm, transferring power to the rear wheel through a 5-speed gearbox and chain final drive. With a specific output of 56.5 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 TR 7 T Tiger Trail measures 185 kg (408 lbs) wet (curb), translating to a power-to-weight ratio of 0.23 HP/kg (4.4 kg per horsepower). The 12.5-liter (3.3 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 155 km/h (96 mph).

Within MotoLibrary's Triumph archive, this model family spans 2 indexed model years from 1981 to 1982, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.