TX 141 Chopper

1975 Fantic TX 141 Chopper Technical Analysis & Specification Breakdown

Engineered by Fantic for the classic motorcycle segment, the 1975 Fantic TX 141 Chopper relies on a 123 cc (7.5 cu in) air-cooled single cylinder, two-stroke powerplant. In factory specification, peak output is rated at 12 HP (8.8 kW) at 6,870 rpm, transferring power to the rear wheel through a 5-speed gearbox and chain final drive. With a specific output of 97.6 HP per liter, the engine character is reflecting a performance-oriented street tune that balances strong mid-range pull with an energetic top-end rush.

On the scales, the TX 141 Chopper measures 110 kg (243 lbs) wet (curb), translating to a power-to-weight ratio of 0.11 HP/kg (9.17 kg per horsepower). The 6-liter (1.6 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 103 km/h (64 mph).

Within MotoLibrary's Fantic archive, this model family spans 3 indexed model years from 1973 to 1975, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.