CB 450 S (reduced effect)

1986 Honda CB 450 S (reduced effect) Technical Analysis & Specification Breakdown

Engineered by Honda for the sport touring motorcycle segment, the 1986 Honda CB 450 S (reduced effect) pairs a 447 cc (27.3 cu in) air-cooled twin, four-stroke architecture with road-focused gearing. In factory specification, peak output is rated at 27 HP (19.7 kW) at 7,000 rpm, transferring power to the rear wheel through a 6-speed gearbox and chain final drive. With a specific output of 60.4 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 CB 450 S (reduced effect) measures 185 kg (408 lbs) wet (curb), translating to a power-to-weight ratio of 0.15 HP/kg (6.85 kg per horsepower). The 18-liter (4.8 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 141 km/h (88 mph).

Within MotoLibrary's Honda archive, this model family spans 5 indexed model years from 1986 to 1990, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.