Sportster S
2026 Harley-Davidson Sportster S Technical Analysis & Specification Breakdown
Engineered by Harley-Davidson for the motorcycle segment, the 2026 Harley-Davidson Sportster S relies on a 1252 cc engine powerplant. In factory specification, peak output is rated at 121 HP. With a specific output of 96.6 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 Sportster S measures 502 kg (1107 lbs) wet (curb), translating to a power-to-weight ratio of 0.24 HP/kg (4.15 kg per horsepower). Rider ergonomics and chassis geometry center around a 28 mm (1.1 in) seat height — giving shorter riders and urban commuters confident flat-foot reach at traffic stops. The 3.1-liter (0.8 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Within MotoLibrary's Harley-Davidson archive, this model family spans 5 indexed model years from 2022 to 2026, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
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