NGR 250 (reduced effect)

1986 Gilera NGR 250 (reduced effect) Technical Analysis & Specification Breakdown

Built around Gilera's motorcycle platform, the 1986 Gilera NGR 250 (reduced effect) relies on a 249 cc (15.2 cu in) liquid-cooled single cylinder, two-stroke powerplant. In factory specification, peak output is rated at 27 HP (19.7 kW) at 6,750 rpm, transferring power to the rear wheel through a 5-speed gearbox and chain final drive. With a specific output of 108.4 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 NGR 250 (reduced effect) measures 160 kg (353 lbs) wet (curb), translating to a power-to-weight ratio of 0.17 HP/kg (5.93 kg per horsepower). The 22-liter (5.8 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 138 km/h (86 mph).

Within MotoLibrary's Gilera archive, this model family spans 3 indexed model years from 1986 to 1988, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.