SL 125 S

1975 Honda SL 125 S Technical Analysis & Specification Breakdown

Built around Honda's custom - cruiser motorcycle platform, the 1975 Honda SL 125 S features a 124 cc (7.6 cu in) air-cooled single cylinder, four-stroke configuration. In factory specification, peak output is rated at 12 HP (8.8 kW) at 9,700 rpm, transferring power to the rear wheel through a 5-speed gearbox and chain final drive. With a specific output of 96.8 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 SL 125 S measures 108 kg (238 lbs) wet (curb), translating to a power-to-weight ratio of 0.11 HP/kg (9 kg per horsepower). The 7.5-liter (2 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 102 km/h (63 mph).

Within MotoLibrary's Honda archive, this model family spans 2 indexed model years from 1974 to 1975, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.