CB 250 disc

1974 Honda CB 250 disc Technical Analysis & Specification Breakdown

Positioned in Honda's classic motorcycle lineup, the 1974 Honda CB 250 disc relies on a 249 cc (15.2 cu in) air-cooled twin, four-stroke powerplant. In factory specification, peak output is rated at 30 HP (21.9 kW) at 10,500 rpm, transferring power to the rear wheel through a 5-speed gearbox and chain final drive. With a specific output of 120.5 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 CB 250 disc measures 170 kg (375 lbs) wet (curb), translating to a power-to-weight ratio of 0.18 HP/kg (5.67 kg per horsepower). The 10-liter (2.6 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 150 km/h (93 mph).

Within MotoLibrary's Honda archive, this model family spans 2 indexed model years from 1974 to 1975, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.