TS 125 ER

1981 Suzuki TS 125 ER Technical Analysis & Specification Breakdown

Positioned in Suzuki's naked motorcycle lineup, the 1981 Suzuki TS 125 ER relies on a 123 cc (7.5 cu in) air-cooled single cylinder, two-stroke powerplant. In factory specification, peak output is rated at 10 HP (7.3 kW) at 6,400 rpm, transferring power to the rear wheel through a 6-speed gearbox and chain final drive. With a specific output of 81.3 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 TS 125 ER measures 106 kg (234 lbs) wet (curb), translating to a power-to-weight ratio of 0.09 HP/kg (10.6 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 110 km/h (68 mph).

Within MotoLibrary's Suzuki archive, this model family spans 3 indexed model years from 1979 to 1981, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.