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Yamaha DT 400 MX 19781978 Yamaha DT 400 MX specifications, pictures, reviews and rating |
| General information | |
|---|---|
| Model name | Yamaha DT 400 MX |
| Year | 1978 |
| Category | Enduro / offroad |
| Rating | 3.4 Check out the detailed rating of off-road capabilities, engine performance, maintenance cost, etc. Compare with any other bike. |
| Engine and transmission | |
| Displacement | 397.0 ccm (24.22 cubic inches) |
| Engine type | Single cylinder, two-stroke |
| Power | 21.0 HP (15.3 kW)) @ 5600 RPM |
| Top speed | 136.0 km/h (84.5 mph) |
| Compression | 6.4:1 |
| Bore x stroke | 85.0 x 70.0 mm (3.3 x 2.8 inches) |
| Fuel control | Membrane |
| Cooling system | Air |
| Gearbox | 5-speed |
| Transmission type | Chain (final drive) |
| Chassis, suspension, brakes and wheels | |
| Front tire | 3.00-21 |
| Rear tire | 4.00-18 |
| Front brakes | Expanding brake |
| Rear brakes | Expanding brake |
| Physical measures and capacities | |
| Weight incl. oil, gas, etc | 141.0 kg (310.9 pounds) |
| Fuel capacity | 9.00 litres (2.38 US gallons) |
| Other specifications | |
| 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 78 Yamaha DT 400 MX 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 1978 Yamaha DT 400 MX 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 | |
Reliability for the 1978 Yamaha DT 400 MX:  (64.6 out of 100)Click here for complete rating. |
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