Mbike - Catalogue. Community. Map.
Catalogue. Community. Map.
Yamaha DT 400 MX 1978 
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Engine and transmission
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| Engine type: | 1 cylinders, 2-stroke, Single |
| Displacement: | 397 cc (24.26 cubic inches) |
| Bore × stroke: | 3.35 inch × 2.76 inch (oversquare - shortstroke) |
| Cooling system: | Air cooled |
| Power: | 20.8 HP (15.3 kW) @ 5600 rpm |
| Throttle: | Cable operated |
| Valves | |
| Valve train: | Reed valve, variable |
| Fuel and ignition | |
| Sparks per cylinder: | 1 |
| Fuel supply system: | Carburetor |
| Ignition type: | mechanically timed |
| Compression: | 6.4:1 |
| Engine mounting: | Transverse |
| Gear box: | Manual 5-speed |
| Clutch: | Wet, multiple discs, cable operated |
| Final drive: | Chain |
| Starter: | Electric |
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Dimensions
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| Weight | |
| Curb weight: | 310.9 lbs |
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Chassis and suspension
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| Frame type: | steel, Double cradle frame |
| Front | |
| Suspension: | Cartridge |
| Brake: | Drum |
| Rear | |
| Suspension: | mono shock, Swingarm |
| Brake: | Drum |
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Other
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| ABS available: | No |
| Power-to-weight ratio: | 0.11 KW/lbs (9.22 lbs/HP) |
| Top speed: | 84.51 mph |
| Fuel capacity: | 2.38 gals |
| Number of riders: | 2 persons |
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