TX 125

1987 Aprilia TX 125 Technical Analysis & Specification Breakdown

At the heart of the 1987 Aprilia TX 125 motorcycle, Aprilia pairs a 124 cc (7.6 cu in) liquid-cooled single cylinder, two-stroke architecture with road-focused gearing. In factory specification, peak output is rated at 10 HP (7.3 kW) at 7,000 rpm, transferring power to the rear wheel through a 6-speed gearbox and chain final drive. With a specific output of 80.6 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 TX 125 measures 85 kg (187 lbs) wet (curb), translating to a power-to-weight ratio of 0.12 HP/kg (8.5 kg per horsepower). The 10-liter (2.6 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 100 km/h (62 mph).

Within MotoLibrary's Aprilia archive, this model family spans 2 indexed model years from 1987 to 1988, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.