GS 650 G Katana

1983 Suzuki GS 650 G Katana Technical Analysis & Specification Breakdown

Positioned in Suzuki's sport motorcycle lineup, the 1983 Suzuki GS 650 G Katana pairs a 674 cc (41.1 cu in) air-cooled in-line four, four-stroke architecture with road-focused gearing. In factory specification, peak output is rated at 73 HP (53.3 kW) at 9,500 rpm, transferring power to the rear wheel through a 5-speed gearbox and shaft drive (cardan) final drive. With a specific output of 108.3 HP per liter, the engine character is reflecting a performance-oriented street tune that balances strong mid-range pull with an energetic top-end rush.

On the scales, the GS 650 G Katana measures 239 kg (527 lbs) wet (curb), translating to a power-to-weight ratio of 0.31 HP/kg (3.27 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 197 km/h (122 mph).

Within MotoLibrary's Suzuki archive, this model family spans 3 indexed model years from 1981 to 1983, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.