| 
					Technical specifications
					
				 | 
			
				| Model: | XJ 550 | 
			
				| Years: | 1981 | 
			
			
					
						| Engine: | Four stroke, transverse four cylinder. DOHC, 2 valves per cylinder. | 
			
					
						| Capacity: | 528 cc / 32.2 cu-in | 
			
					
						| Bore x Stroke: | 57 X 51.8 mm | 
			
					
						| Cooling System: | Air cooled | 
			
					
						| Compression Ratio: | 9.5:1 | 
			
					
						| Induction: | 4x 28mm Mikuni carburetors | 
			
					
						| Ignition: | Battery powered inductive | 
			
					
						| Starting: | Electric | 
			
					
						| Max Power: | 37 kW / 50 PS @ 9000 rpm | 
			
					
						| Max Torque: | 41.9 Nm / 4,3 m-kg @ 7500 rpm | 
			
					
						| Transmission: | 6 Speed | 
			
					
						| Final Drive: | Chain | 
			
					
						| Front Suspension: | Telescopic coil spring forks | 
			
					
						| Front Wheel Travel: | 137 mm / 5.3 in | 
			
					
						| Rear Suspension: | Swinging arm with dual dampers adjustable for preload | 
			
					
						| Rear Wheel Travel: | 80 mm / 3.7 in | 
			
					
						| Front Brakes: | 2x 267mm discs | 
			
					
						| Rear Brakes: | 182mm Drum | 
			
					
						| Front Tyre: | 3.25-19 | 
			
					
						| Rear Tyre: | 110/ 90-16 | 
			
					
						| Wet Weight: | 205 kg / 450 lbs | 
			
					
						| Fuel Capacity: | 15 liters / 3.9 US gal | 
			
					
						| Consumption Average: | 55 mpg | 
			
					
						| Standing ¼ Mile: | 13.4 sec / 98 mph | 
			
					
						| Top Speed: | 178.6 km/h / 111 mph |