| MODEL | SUZUKI GS 550E 1979 - 1980 |
| Year | 1979 - 1980 |
| Engine Type | Four stroke, transverse four cylinders, DOHC, 2 valves per cylinder |
| Displacement / Capacity | 549 cc / 33.5 cu in |
| Bore X Stroke | 56 x 55.8 mm |
| Compression Ratio | 8.6:1 |
| Cooling System | Air cooled |
| Max Power | 35.8 kW / 49 hp @ 9000 rpm |
| Max Torque | 42 Nm / 4.3 kgf-m / 31 lb-ft @ 7500 rpm |
| Ignition | Battery and coil |
| Induction | 4 x Mikuni VM22SS carburettors |
| Start System | Electric |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 6 speed |
| Clutch | Wet, multi-plate |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | — |
| Front Suspension | Telescopic fork, oil damped |
| Rear Suspension | Twin shocks, coil over, 5-way adjustable preload |
| Front Brakes | Single 275 mm disc, 1 piston caliper |
| Rear Brakes | Drum |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | — |
| Wheelbase | — |
| Ground Clearance | — |
| Dry Weight | 195 kg / 430 lb |
| Wet Weight | 216 kg / 476 lb |
| WHEEL SPECS | |
| Front Tyre | 3.25-19 |
| Rear Tyre | 3.75-18 |
| FUEL SYSTEM | |
| Fuel Capacity | 17 Litres / 4.5 US gal / 3.7 Imp gal |
| Fuel Consumption | 5.6 L/100 km / 42 mpg US / 50.4 mpg Imp |
| Top Speed | 181 km/h / 112 mph |
The GS 550E was Suzuki's middleweight air-cooled DOHC four, a smaller sibling to the GS750 and GS1000. It combined a revvy 549 cc engine, six-speed gearbox, chain drive and a single front disc with drum rear brake, aimed at riders wanting four-cylinder smoothness without big-bike size.
