| TECHNICAL SPECIFICATION | 
|---|
| Model ID | 
|---|
| Manufacturer (Make) | Kawasaki | 
| Model Name | GPZ 500 S (reduced effect) | 
| Year | 1987 | 
| Category(class) | Sport-touring | 
| Engine | 
|---|
| Engine Capacity (Displacement) | 499 ccm (30.45 cubic inches) | 
| Engine Type | Twin | 
| Bore x Stroke | Ø74.0 mm x 58.0 mm (Ø2.91 inches x 2.28 inches) | 
| Bore/Stroke Ratio | 1.28 | 
| Stroke | 4 | 
| Valves per Cylinder | 4 | 
| Timing System | DOHC | 
| Cooling System | Liquid | 
| Powertrain | 
|---|
| Gearbox | 6 speed | 
| Chassis/Suspension/Brakes | 
|---|
| Front Brakes | Single disc | 
| Rear Brakes | Drum | 
| Front Tire | 100/90-16 | 
| Rear Tire | 120/90-16 | 
| Dimensions | 
|---|
| Curb Weight | 196 kg (432 lb) | 
| Fuel Capacity | 18 litres (4.76 gallons) | 
| Performance | 
|---|
| Max Power | 50.00 HP (36.5 kW) at 9300 RPM | 
| Power/Weight Ratio | 0.26 Hp/Kg | 
| Top Speed | 165 km/h (102mph) | 
| Acceleration (dart, speedup) time |  | 
| 0-100 km/h | 5.5 seconds | 
| 0-60 mph | 5.2 seconds | 
| 1/4 mile | - | 
| 60 to 140 km/h, highest gear | - |