GPZ 1000 RX (reduced effect)

1988 Kawasaki GPZ 1000 RX (reduced effect) Technical Analysis & Specification Breakdown

Built around Kawasaki's sport touring motorcycle platform, the 1988 Kawasaki GPZ 1000 RX (reduced effect) relies on a 997 cc (60.8 cu in) liquid-cooled in-line four, four-stroke powerplant. In factory specification, peak output is rated at 100 HP (73 kW) at 9,500 rpm, transferring power to the rear wheel through a 6-speed gearbox and chain final drive. With a specific output of 100.3 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 GPZ 1000 RX (reduced effect) measures 267 kg (589 lbs) wet (curb), translating to a power-to-weight ratio of 0.37 HP/kg (2.67 kg per horsepower). The 21-liter (5.5 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 243 km/h (151 mph).

Within MotoLibrary's Kawasaki 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.