02 November. Sunday 2025
General information | |
| Category | Naked bike |
| Year | 1981 |
| Model | Yamaha XJ 400 Seca |
| | |
Engine and Transmission Specifications | |
| Transmission typefinal drive | Chain |
| Gearbox | 6-speed |
| Cooling system | Air |
| Starter | Electric |
| Ignition | Battery Powered Inductive |
| Fuel control | DOHC |
| Fuel system | Carburettor. 2x34 Mikuni |
| Bore x stroke | 51.0 x 48.8 mm (2.0 x 1.9 inches) |
| Compression | 9.7:1 |
| Torque | 33.90 |
| Power | 45.00 |
| Stroke | 4 |
| Engine type | Four cylinder boxer |
| Capacity: | 398.00 ccm (24.29 cubic inches) |
Physical measures and capacities | |
| Dry weight | 176.0 kg (388.0 pounds) |
Yamaha XJ 400 Seca dimensions and frame | |
| Rear brakes | Expanding brake (drum brake) |
| Front brakes | Single disc. 1 Piston Caliper |
| Rear tyre dimensions | 110/90-18 |
| Front tyre dimensions | -19 |
| Rear suspension travel | 96 mm (3.8 inches) |
| Rear suspension | Single Adjustable Spring Preload |
| Front suspension travel | 142 mm (5.6 inches) |
| Front suspension | 35mm Telescopic Forks |
| | |
Speed and acceleration | |
| Power/weight ratio | 0.2557 HP/kg |
| 1/4 mile (0.4 km) | 14.000 seconds |
| Top speed | 162.5 km/h (101.0 mph) |
Other specs | |
| Color options | Black |
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