22 June. Monday 2026
Yamaha XS 400 - 1981 Specifications and Reviews
The 1981 Yamaha XS 400 is a reliable middleweight twin perfect for novice and intermediate riders seeking an affordable, manageable motorcycle. Its air-cooled 392cc engine delivers modest power with excellent fuel efficiency, while the six-speed transmission and forgiving handling make it ideal for commuting and casual riding. Known for dependability and low maintenance costs, this Japanese machine earned respect as a practical entry-level bike.
General information | |
| Category | Allround |
| Year | 1981 |
| Model | Yamaha XS 400 |
| | |
Engine and Transmission Specifications | |
| Transmission type,final drive | Chain |
| Gearbox | 6-speed |
| Cooling system | Air |
| Fuel control | OHC |
| Valves per cylinder | 2 |
| Bore x stroke | 69.0 x 52.4 mm (2.7 x 2.1 inches) |
| Compression | 9.2:1 |
| Top speed | 140.0 km/h (87.0 mph) |
| Power | 27.00 |
| Engine type | Twin, four-stroke |
| Capacity: | 392.00 ccm (23.92 cubic inches) |
Brakes, suspension, Frame and wheels | |
| Rear brakes | Expanding brake |
| Front brakes | Single disc |
| Rear tyre dimensions | 3.75-18 |
| Front tyre dimensions | 3.00-18 |
| | |
Physical measures and capacities | |
| Fuel capacity | 17.00 litres (4.49 gallons) |
| Weight incl. oil, gas, etc | 182.0 kg (401.2 pounds) |
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