CB77

1963 Honda CB77 Technical Analysis & Specification Breakdown

Positioned in Honda's sport motorcycle lineup, the 1963 Honda CB77 utilizes a 305 cc (18.6 cu in) air-cooled twin, four-stroke layout. In factory specification, peak output is rated at 28.5 HP (20.8 kW) at 9,000 rpm, transferring power to the rear wheel through a 4-speed gearbox and chain final drive. With a specific output of 93.4 HP per liter, the engine character is indicating a tractable, stress-free state of tune focused on everyday usability and broad torque delivery.

On the scales, the CB77 measures 159 kg (351 lbs) dry, translating to a power-to-weight ratio of 0.18 HP/kg (5.58 kg per horsepower). Rider ergonomics and chassis geometry center around a 760 mm (29.9 in) seat height — giving shorter riders and urban commuters confident flat-foot reach at traffic stops, combined with a 1,300 mm (51.2 in) wheelbase engineered for quick, flickable steering geometry. The 14-liter (3.7 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 153 km/h (95 mph).

Within MotoLibrary's Honda archive, this model family spans 4 indexed model years from 1961 to 1964, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.