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					Technical specifications
					
				 | 
			
				| Model: | GS 400S | 
			
				| Years: | 1984-86 | 
			
			
					
						| Engine: | Four stroke, parallel twin cylinder, DOHC, 4 valves per cylinder. | 
			
					
						| Capacity: | 399 cc / 24.3 cu in | 
			
					
						| Bore x Stroke: | 67 x 56.6 mm | 
			
					
						| Compression Ratio: | 10.0:1 | 
			
					
						| Lubrication: | Wet sump | 
			
					
						| Induction: | MBwni BS34SS | 
			
					
						| Ignition: | Transistorized | 
			
					
						| Starting: | Electric | 
			
					
						| Max Power: | 29 kW / 39 hp @ 9500 rpm | 
			
					
						| Max Torque: | 31.4 Nm / 3.2 kgf-m / 23.2 lb-ft @ 3000 rpm | 
			
					
						| Transmission: | 6 Speed constant mesh | 
			
					
						| Final Drive: | s530 chain | 
			
					
						| : | 6-speed. Final Drive: , O-rlng seeW Overall Seat Height: 755 mm (29.7 in.) Wh«elbase 55.9m.) | 
			
					
						| Front Suspension: | Telescopic, coil spring, oil damped | 
			
					
						| Rear Suspension: | Dual dampers, coil spring, 5-way adjustable | 
			
					
						| Front Brakes: | Single disc | 
			
					
						| Rear Brakes: | Drum | 
			
					
						| Front Tyre: | 3.00S184PR | 
			
					
						| Rear Tyre: | 3.50S184PR | 
			
					
						| Dimensions: | Length 2105 mm / 82.9 in Width 755 mm / 297 in Height 1160 mm / 45.7 in | 
			
					
						| Wheelbase: | 1420mm / 55.9 in | 
			
					
						| Seat Height: | 755 mm / 29.7 in | 
			
					
						| Ground Clearance: | 145 mm / 5.7 in | 
			
					
						| Dry Weight: | 177 kg / 390 lbs | 
			
					
						| Fuel Capacity: | 16 Litres / 4.8 US gal |