1977 | GS550

Younger brother and inheritor of the GS750 concept


The GS550 is equipped with a lightweight and compact 550 cm³ air-cooled 4-stroke 4-cylinder DOHC engine that generates maximum horsepower of 51 PS and maximum torque of 41.1 kg-m. This engine is paired with the first 6-speed transmission in its class. Combined with a low seat and a dry weight of only 198 kg, the GS550 is an easy-to-handle and highly maneuverable model. It also features a hydraulic single disc brake at the front wheel. The GS550E, which features star-shaped cast wheels, debuted in 1978.

Dimensions and weight Dimensions Overall length 2,175 mm
Overall width 850 mm
Overall height 1,155 mm
Wheelbase 1,435 mm
Weight 198 kg (Dry)
Engine Engine type 4-stroke, 4-cylinder, air-cooled, DOHC
Engine displacement 549 cm³
Bore x stroke 56.0 mm × 55.8 mm
Maximum power 37.5kW(51PS) / 9,000rpm
Maximum torque 41.2N-m / 7,500rpm
Transmission 6-speed constant mesh
Front tire size 3.25H-19-4PR
Rear tire size 3.75H-18-4PR