Nightster
2026 Harley-Davidson Nightster Technical Analysis & Specification Breakdown
At the heart of the 2026 Harley-Davidson Nightster motorcycle, Harley-Davidson pairs a 975 cc engine architecture with road-focused gearing. In factory specification, peak output is rated at 91 HP. With a specific output of 93.3 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 Nightster measures 481 kg (1060 lbs) wet (curb), translating to a power-to-weight ratio of 0.19 HP/kg (5.29 kg per horsepower). Rider ergonomics and chassis geometry center around a 27 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 4 indexed model years from 2023 to 2026, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
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