| Year | 1983 |
| Bore x Stroke | 92 X 84 mm |
| Capacity | 558 cc / 34.0 cu-in |
| Compression Ratio | 8.5:1 |
| Consumption Average | 47.3 mpg |
| Cooling System | Air cooled |
| Dimensions | Length 2260 mm / 88.9 in Width 860 mm / 33.8 in Height 1180 mm / 46.4 in |
| Dry Weight | 138 kg / 304.2 lbs |
| Engine | Four stroke, single cylinder, SOHC, 4 valve |
| Final Drive | Chain |
| Front Brakes | Drum |
| Front Suspension | 38mm Air assisted forks |
| Front Tyre | 3.00S-21-4PR |
| Front Wheel Travel | 201 mm / 7.9 in |
| Fuel Capacity | 14 Litres / 3.6 US gal |
| Ground Clearance | 250 mm / 9.8 in |
| Ignition | CDI |
| Induction | 26mm TK carburetor |
| Max Power | 38 hp / 27.7 kW @ 6500 rpm |
| Max Torque | .4.5 kg-m / 44.0 Nm @ 5500 rpm |
| Model | Yamaha XT 550 |
| Oil Capacity | 2.2 Litres |
| Rear Brakes | Drum |
| Rear Suspension | Monoshock adjustable preload |
| Rear Tyre | 4.60S-18-4PR |
| Rear Wheel Travel | 186 mm / 7.3 in |
| Road Test | Cycle magzine |
| Seat Height | 860 mm / 33.8 in |
| Standing ¼ Mile | 14.1 sec / 90 mph |
| Starting | Kick |
| Top Speed | 162.2 km/h / 100.8 mph |
| Transmission | 5 Speed |
| Wet Weight | 145 kg / 319.6 lbs |
| Wheelbase | 1400 mm / 55.1 in |
