S3 Thunderbolt

1997 Buell S3 Thunderbolt Technical Analysis & Specification Breakdown

Built around Buell's naked motorcycle platform, the 1997 Buell S3 Thunderbolt features a 1203 cc (73.4 cu in) air-cooled v2, four-stroke configuration. In factory specification, peak output is rated at 86 HP (62.8 kW) while maximum torque reaches 107 Nm (78.9 lb-ft), transferring power to the rear wheel through a 5-speed gearbox and belt final drive. With a specific output of 71.5 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 S3 Thunderbolt measures 211 kg (465 lbs) dry, translating to a power-to-weight ratio of 0.41 HP/kg (2.45 kg per horsepower). Rider ergonomics and chassis geometry center around a 749 mm (29.5 in) seat height — giving shorter riders and urban commuters confident flat-foot reach at traffic stops.

Within MotoLibrary's Buell archive, this model family spans 2 indexed model years from 1997 to 1998, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.