| 
					Technical specifications
					
				 | 
			
				| Model: | GSX-R 400 | 
			
				| Years: | 1987 | 
			
			
					
						| Engine: | Four stroke, transverse four cylinder, DOHC 4 valves per cylinder. TSCC | 
			
					
						| Capacity: | 398 cc / 24.3 cu-in | 
			
					
						| Bore x Stroke: | 53 x 45.2 mm | 
			
					
						| Lubrication: | Wet sump | 
			
					
						| Cooling System: | Liquid cooled | 
			
					
						| Compression Ratio: | 11.5:1 | 
			
					
						| Induction: | 2 x AS27VW carburetors | 
			
					
						| Ignition: | CDI | 
			
					
						| Headlight: | 12V 35/35w x 2 | 
			
					
						| Starting: | Electric | 
			
					
						| Max Power: | 44 kW / 59 hp @ 11000 rpm | 
			
					
						| Max Torque: | 39.2 Nm / 4.0 kgf-m / 28.9 lb-ft @ 9000 rpm | 
			
					
						| Clutch: | Wet multi-plate | 
			
					
						| Transmission: | 6 Speed, constant mesh | 
			
					
						| Final Drive: | Chain | 
			
					
						| Primary Reduction Ratio: | 2.212 | 
			
					
						| Final Drive Ratio: | 3.066 | 
			
					
						| Gear Ratio: | 1st 3.166 / 2nd 2.125 / 3rd 1.631 / 4th 1.333 / 5th .173 / 6th 1.083 | 
			
					
						| Frame: | Aluminum angular pipe double cradle | 
			
					
						| Front Suspension: | Telescopic forks | 
			
					
						| Rear Suspension: | Full floater swing arm, non-adjustable | 
			
					
						| Front Brakes: | 2 x Discs, 4 piston calipers | 
			
					
						| Rear Brakes: | Single disc, 2 piston caliper | 
			
					
						| Front Tyre: | 110/90-16 | 
			
					
						| Rear Tyre: | 140/90-18 | 
			
					
						| Rake: | 27° 25' | 
			
					
						| Trail: | 96 mm / 3.7 in | 
			
					
						| Dimensions: | Length 2090 mm / 82.3 in Width 710 mm / 28.0 in Height 1185 mm / 46.7 in | 
			
					
						| Wheelbase: | 1425 mm / 56.1 in | 
			
					
						| Seat Height: | 780 mm / 30.7 in | 
			
					
						| Dry Weight: | 152 kg / 334 lbs | 
			
					
						| Fuel Capacity: | 15 Litres / 3.96 US gal / 3.3 Imp gal |