GT 125

1977 Suzuki GT 125 Technical Analysis & Specification Breakdown

Built around Suzuki's touring motorcycle platform, the 1977 Suzuki GT 125 features a 125 cc (7.6 cu in) air-cooled twin, two-stroke configuration. In factory specification, peak output is rated at 14.2 HP (10.4 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 113.6 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 GT 125 measures 122 kg (269 lbs) wet (curb), translating to a power-to-weight ratio of 0.12 HP/kg (8.59 kg per horsepower). The 10-liter (2.6 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 127 km/h (79 mph).

Within MotoLibrary's Suzuki archive, this model family spans 5 indexed model years from 1974 to 1978, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.