| MODEL | KAWASAKI GPZ 550 1984 |
| Year | 1984 |
| Engine Type | Four stroke, transverse four cylinder, DOHC, 2 valves per cylinder |
| Displacement / Capacity | 553 cc / 33.7 cu in |
| Bore X Stroke | 58 x 52.4 mm |
| Compression Ratio | 10.0:1 |
| Cooling System | Air cooled |
| Max Power | 65 hp @ 9000 rpm |
| Max Torque | 48.1 Nm / 35.5 lb-ft @ 8000 rpm |
| Ignition | CDI |
| Induction | 4x 22 mm Teikei constant vacuum carburetors, main jets #94 |
| Start System | Electric |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 6 speed |
| Clutch | Wet, multiplate |
| Final Drive | #530 O-ring chain |
| CHASSIS SPECS | |
| Frame | Double down tube, full cradle, box section aluminium swingarm |
| Front Suspension | Telescopic forks, 165 mm / 6.4 in wheel travel |
| Rear Suspension | Dual shocks, swinging arm, 100 mm / 3.9 in wheel travel |
| Front Brakes | 2x 260 mm discs |
| Rear Brakes | Single 260 mm disc |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | 800 mm / 31.6 in |
| Wheelbase | — |
| Ground Clearance | 147 mm / 5.8 in |
| Dry Weight | — |
| Wet Weight | 210 kg / 461 lb |
| WHEEL SPECS | |
| Front Tyre | 3.25 H19 |
| Rear Tyre | 3.75 H18 |
| FUEL SYSTEM | |
| Fuel Capacity | 15 Litres / 3.9 US gal |
| Fuel Consumption | 46 mpg (average) |
| Top Speed | 191.5 km/h / 119 mph |
The 1984 GPz 550 kept the air-cooled 553 cc four but received updated styling and chassis changes at the end of the model run. The page notes that its power had risen from about 54 to 65 bhp over the years through steady refinement, and that the later engines run hot and need frequent oil changes.
