125 Sport HP 1

1989 Fantic 125 Sport HP 1 Technical Analysis & Specification Breakdown

Positioned in Fantic's allround motorcycle lineup, the 1989 Fantic 125 Sport HP 1 utilizes a 124 cc (7.6 cu in) liquid-cooled single cylinder, two-stroke layout. In factory specification, peak output is rated at 17 HP (12.4 kW) at 8,000 rpm, transferring power to the rear wheel through a 6-speed gearbox and chain final drive. With a specific output of 137.1 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 125 Sport HP 1 measures 110 kg (243 lbs) wet (curb), translating to a power-to-weight ratio of 0.15 HP/kg (6.47 kg per horsepower). The 12.5-liter (3.3 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 125 km/h (78 mph).

Within MotoLibrary's Fantic archive, this model family spans 4 indexed model years from 1987 to 1990, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.