CBX

1978 Honda CBX Technical Analysis & Specification Breakdown

Built around Honda's classic motorcycle platform, the 1978 Honda CBX pairs a 1046 cc (63.8 cu in) air-cooled in-line six, four-stroke architecture with road-focused gearing. In factory specification, peak output is rated at 105 HP (76.6 kW) at 9,000 rpm, transferring power to the rear wheel through a 5-speed gearbox and chain final drive. With a specific output of 100.4 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 CBX measures 274 kg (604 lbs) wet (curb), translating to a power-to-weight ratio of 0.38 HP/kg (2.61 kg per horsepower). The 24-liter (6.3 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 220 km/h (137 mph).

Within MotoLibrary's Honda archive, this model family spans 4 indexed model years from 1978 to 1981, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.