Duet

2020 Hero Duet Technical Analysis & Specification Breakdown

At the heart of the 2020 Hero Duet scooter motorcycle, Hero relies on a 110.9 cc (6.8 cu in) single cylinder, four-stroke powerplant. In factory specification, peak output is rated at 8 HP (5.8 kW) at 7,500 rpm while maximum torque reaches 8.7 Nm (6.4 lb-ft) at 5,500 rpm, transferring power to the rear wheel through a automatic gearbox and shaft drive (cardan) final drive. With a specific output of 72.1 HP per liter and a 2,000 rpm working window between peak torque (5,500 rpm) and peak power (7,500 rpm), the engine character is indicating a tractable, stress-free state of tune focused on everyday usability and broad torque delivery.

On the scales, the Duet measures 116 kg (256 lbs) wet (curb), translating to a power-to-weight ratio of 0.07 HP/kg (14.5 kg per horsepower). Rider ergonomics and chassis geometry center around a 795 mm (31.3 in) seat height — offering a neutral standover height that accommodates most average-inseam riders without sacrificing cornering clearance, combined with a 1,245 mm (49 in) wheelbase engineered for quick, flickable steering geometry.

Within MotoLibrary's Hero archive, this model family spans 3 indexed model years from 2015 to 2020, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.