XS 750

1977 Yamaha XS 750 Technical Analysis & Specification Breakdown

At the heart of the 1977 Yamaha XS 750 touring motorcycle, Yamaha utilizes a 747 cc (45.6 cu in) air-cooled in-line three, four-stroke layout. In factory specification, peak output is rated at 64 HP (46.7 kW) at 7,500 rpm, transferring power to the rear wheel through a 5-speed gearbox and shaft drive (cardan) final drive. With a specific output of 85.7 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 XS 750 measures 257 kg (567 lbs) wet (curb), translating to a power-to-weight ratio of 0.25 HP/kg (4.02 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 189 km/h (117 mph).

Within MotoLibrary's Yamaha archive, this model family spans 2 indexed model years from 1976 to 1977, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.