GN 400 TD

1980 Suzuki GN 400 TD Technical Analysis & Specification Breakdown

Built around Suzuki's sport motorcycle platform, the 1980 Suzuki GN 400 TD features a 396 cc (24.2 cu in) air-cooled single cylinder, four-stroke configuration. In factory specification, peak output is rated at 27 HP (19.7 kW) at 7,400 rpm, transferring power to the rear wheel through a 5-speed gearbox and chain final drive. With a specific output of 68.2 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 GN 400 TD measures 155 kg (342 lbs) wet (curb), translating to a power-to-weight ratio of 0.17 HP/kg (5.74 kg per horsepower). The 14-liter (3.7 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 129 km/h (80 mph).

Within MotoLibrary's Suzuki archive, this model family spans 2 indexed model years from 1980 to 1981, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.