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					Technical specifications
					
				 | 
			
				| Model: | GSX 400X Impulse | 
			
				| Years: | 1986-87 | 
			
			
					
						| Engine: | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder | 
			
					
						| Capacity: | 399 cc / 24.3 cu in | 
			
					
						| Bore x Stroke: | 52 x 47 mm | 
			
					
						| Compression Ratio: | 11.8:1 | 
			
					
						| Induction: | 4 x 29 mm carburetors | 
			
					
						| Ignition: | Transistorised | 
			
					
						| Starting: | Electric | 
			
					
						| Max Power: | 43 kW / 59 hp @ 12000 rpm | 
			
					
						| Max Torque: | 37 Nm / 3.8 kgf-m / 27.3 lb-ft @ 10500 rpm | 
			
					
						| Transmission: | 6 Speed | 
			
					
						| Final Drive: | Chain | 
			
					
						| Front Suspension: | Telescopic forks | 
			
					
						| Rear Suspension: | Dual shocks preload adjustable. | 
			
					
						| Front Brakes: | 2 x 290 mm Discs, 2 piston calipers | 
			
					
						| Rear Brakes: | Single disc, 1 piston caliper | 
			
					
						| Front Tyre: | 110/80-17 | 
			
					
						| Rear Tyre: | 130/80-17 | 
			
					
						| Dry-Weight: | 153 kg / 337 lbs | 
			
					
						| Fuel Capacity: | 18 Litres / 4.8 US gal / 4.0 Imp gal |