GR 650

1983 Suzuki GR 650 Technical Analysis & Specification Breakdown

Built around Suzuki's naked motorcycle platform, the 1983 Suzuki GR 650 utilizes a 652 cc (39.8 cu in) air-cooled twin, four-stroke layout. In factory specification, peak output is rated at 50 HP (36.5 kW) at 7,200 rpm, transferring power to the rear wheel through a 5-speed gearbox and chain final drive. With a specific output of 76.7 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 GR 650 measures 200 kg (441 lbs) wet (curb), translating to a power-to-weight ratio of 0.25 HP/kg (4 kg per horsepower). The 12-liter (3.2 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 165 km/h (103 mph).

Within MotoLibrary's Suzuki archive, this model family spans 3 indexed model years from 1983 to 1989, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.