| 
					Technical specifications
					
				 | 
			
				| Model: | DR 400S | 
			
				| Years: | 1980 | 
			
			
					
						| Engine: | Four stroke, single cylinder, SOHC, 2 valves | 
			
					
						| Capacity: | 396 cc / 24.2 cu in | 
			
					
						| Bore x Stroke: | 88 x 65.2 mm | 
			
					
						| Compression Ratio: | 9.3:1 | 
			
					
						| Cooling System: | Air cooled | 
			
					
						| Lubrication System: | Wet sump | 
			
					
						| Induction: | 33 mm Mikuni carburetor | 
			
					
						| Ignition: | CDI | 
			
					
						| Starting: | Kick | 
			
					
						| Max Power: | 19.7 kW / 27 hp @ 7500 rpm | 
			
					
						| Transmission: | 5 Speed | 
			
					
						| Final Drive: | Chain | 
			
					
						| Frame: | Single down-tube, mild steel, steel swingarm | 
			
					
						| Rake: | 30° | 
			
					
						| Front Suspension: | Telescopic coil forks, 185mm wheel travel. | 
			
					
						| Front Wheel Travel: | 231 mm / 9.1" | 
			
					
						| Rear Suspension: | Kayaba dual gas shocks | 
			
					
						| Rear Wheel Travel: | 211 mm / 8.3" | 
			
					
						| Front Brakes: | Drum, 150 mm | 
			
					
						| Rear Brakes: | Drum, 150 mm | 
			
					
						| Front Tyre: | 3.00-21 | 
			
					
						| Rear Tyre: | 4.60-18 | 
			
					
						| Dry Weight: | 141 kg / 311 lbs | 
			
					
						| Fuel Capacity: | 9 Litres / 2.4 US gal / 2.0 Imp gal | 
			
					
						| Consumption average: | 4.2 L/100 km / 55 US mpg / 66 Imp mpg | 
			
					
						| Standing ¼ Mile: | 16.8 sec | 
			
					
						| Top Speed: | 141 km/h / 88 mph |