RG 500 Gamma

1985 Suzuki RG 500 Gamma Technical Analysis & Specification Breakdown

At the heart of the 1985 Suzuki RG 500 Gamma sport motorcycle, Suzuki utilizes a 498 cc (30.4 cu in) liquid-cooled square four cylinder layout. In factory specification, peak output is rated at 95 HP (69.3 kW) at 9,500 rpm, transferring power to the rear wheel through a 6-speed gearbox and chain final drive. With a specific output of 190.8 HP per liter, the engine character is placing it firmly in high-revving supersport territory where top-end breathing dominates.

On the scales, the RG 500 Gamma measures 181 kg (399 lbs) wet (curb), translating to a power-to-weight ratio of 0.52 HP/kg (1.91 kg per horsepower). The 22-liter (5.8 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 228 km/h (142 mph).

Within MotoLibrary's Suzuki archive, this model family spans 5 indexed model years from 1985 to 1989, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.