RX 250

1984 Aprilia RX 250 Technical Analysis & Specification Breakdown

Built around Aprilia's enduro - offroad motorcycle platform, the 1984 Aprilia RX 250 pairs a 246 cc (15 cu in) liquid-cooled single cylinder, two-stroke architecture with road-focused gearing. In factory specification, peak output is rated at 47 HP (34.3 kW) at 8,000 rpm, transferring power to the rear wheel through a 5-speed gearbox and chain final drive. With a specific output of 191.1 HP per liter, the engine character is placing it firmly in high-revving supersport territory where top-end breathing dominates.

On the scales, the RX 250 measures 100 kg (220 lbs) wet (curb), translating to a power-to-weight ratio of 0.47 HP/kg (2.13 kg per horsepower). The 8.5-liter (2.2 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 120 km/h (75 mph).

Within MotoLibrary's Aprilia archive, this model family spans 4 indexed model years from 1984 to 1987, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.