22 June. Monday 2026
Suzuki GSX 400 S - 1981 Specifications and Reviews
The 1981 Suzuki GSX 400 S is a lightweight middleweight twin suited to new riders and daily commuters seeking reliable, accessible performance. Its air-cooled 399cc engine delivers 27 horsepower through a smooth six-speed gearbox, earning the model recognition for combining simplicity with competent handling at an affordable price point during the early 1980s.
General information | |
| Category | Classic |
| Year | 1981 |
| Model | Suzuki GSX 400 S |
Engine and Transmission Specifications | |
| Transmission typefinal drive | Chain |
| Gearbox | 6-speed |
| Cooling system | Air |
| Fuel control | DOHC |
| Valves per cylinder | 4 |
| Bore x stroke | 67.0 x 56.6 mm (2.6 x 2.2 inches) |
| Compression | 9.0:1 |
| Power | 27.00 |
| Stroke | 4 |
| Engine type | Twin |
| Capacity: | 399.00 ccm (24.35 cubic inches) |
| | |
Physical measures and capacities | |
| Weight incl. oil, gas, etc | 194.0 kg (427.7 pounds) |
Suzuki GSX 400 S dimensions and frame | |
| Rear brakes | Expanding brake |
| Front brakes | Single disc |
| Rear tyre dimensions | 3.75-18 |
| Front tyre dimensions | 3.00-18 |
| | |
Speed and acceleration | |
| Top speed | 151.0 km/h (93.8 mph) |
Other specs | |
| Fuel capacity | 15.00 litres (3.96 gallons) |
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