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Yamaha XS 400 19791979 Yamaha XS 400 specifications, pictures, reviews and rating |
| General information | |
|---|---|
| Model name | Yamaha XS 400 |
| Year | 1979 |
| Category | Classic |
| Rating | 2.9 See the detailed rating of design and look, engine performance, reliability, fun-factor, etc. Compare with any other bike. |
| Engine and transmission | |
| Displacement | 392.0 ccm (23.92 cubic inches) |
| Engine type | Twin, four-stroke |
| Power | 27.0 HP (19.7 kW)) @ 7000 RPM |
| Torque | 31.2 Nm (3.2 kgf-m or 23.0 ft.lbs) @ 6000 RPM |
| Top speed | 140.0 km/h (87.0 mph) |
| Compression | 9.2:1 |
| Bore x stroke | 69.0 x 52.4 mm (2.7 x 2.1 inches) |
| Valves per cylinder | 2 |
| Fuel system | Injection. 2 x Mikuni BS32 |
| Fuel control | Overhead Cams (OHC) |
| Ignition | Battery ignition - With contact breaker points |
| Lubrication system | Pressure-lubricated wet sump |
| Cooling system | Air |
| Gearbox | 6-speed |
| Transmission type | Chain (final drive) |
| Clutch | Wet multiplate |
| Chassis, suspension, brakes and wheels | |
| Front suspension | Telescopic fork |
| Rear suspension | Dual shocks swing arm, preload adjustable |
| Front tire | 3.00-18 |
| Rear tire | 3.50-18 |
| Front brakes | Single disc |
| Rear brakes | Expanding brake |
| Physical measures and capacities | |
| Dry weight | 182.0 kg (401.2 pounds) |
| Weight incl. oil, gas, etc | 182.0 kg (401.2 pounds) |
| Power/weight ratio | 0.1484 HP/kg |
| Seat height | 780 mm (30.7 inches) If adjustable, lowest setting. |
| Wheelbase | 1364 mm (53.7 inches) |
| Fuel capacity | 17.00 litres (4.49 US gallons) |
| Other specifications | |
| Starter | Electric |
| Electrical | Starting battery. |
| Update specs | Report missing specs or required updates. |
| Further information | |
| Insurance costs | Compare US insurance quotes from the nation's top providers. |
| Parts finder | CMSNL provides
online schematics & OEM parts |
| Maintenance | Find parts, fluids. filters, maintenance tools and service manuals at Amazon.com. |
| Ask questions | Join the 79 Yamaha XS 400 discussion group or the general Yamaha discussion group. |
| Related bikes | List related bikes for comparison of specs. |
| Compare with another motorcycle | |
Discussions for every bike
Bikez has discussion forums for every bike. View comments, questions and answers at the 1979 Yamaha XS 400 discussion group. You can sign up for e-mail notifications when other riders answer you. If you have extensive experience with the MC, please send us a review. If you consider buying this bike, you should view the list of related motorbikes Look at photos. Compare technical specs. And check out the rating of the bike's engine performance, reliability, repair costs, etc. You can compare the rating with other bikes.| Rating sample for this Yamaha bike | |
Offroad capabilities for the 1979 Yamaha XS 400:  (38.1 out of 100)Click here for complete rating. |
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