Street Bob

2026 Harley-Davidson Street Bob Technical Analysis & Specification Breakdown

At the heart of the 2026 Harley-Davidson Street Bob custom - cruiser motorcycle, Harley-Davidson relies on a 1923 cc engine powerplant. In factory specification, peak output is rated at 98 HP. With a specific output of 51 HP per liter, the engine character is prioritizing low-RPM tractability, mechanical longevity and relaxed throttle response over peak redline numbers.

On the scales, the Street Bob measures 646 kg (1424 lbs) wet (curb), translating to a power-to-weight ratio of 0.15 HP/kg (6.59 kg per horsepower). Rider ergonomics and chassis geometry center around a 25 mm (1 in) seat height — giving shorter riders and urban commuters confident flat-foot reach at traffic stops. The 3.5-liter (0.9 US gal) fuel tank supports practical everyday commuting and weekend road stints.

Within MotoLibrary's Harley-Davidson archive, this model family spans 3 indexed model years from 2020 to 2026, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.