14 August. Friday 2026
Kawasaki GPZ 550 - 1981 Specifications and Reviews
The 1981 Kawasaki GPZ 550 is a lightweight sport-touring machine ideal for novice riders and commuters seeking affordable performance. Its air-cooled 553cc inline-four engine delivers smooth, tractable power with excellent fuel efficiency, while the manageable weight and nimble handling make it accessible yet engaging for everyday riding and weekend adventures.
General information | |
| Category | Sport touring |
| Year | 1981 |
| Model | Kawasaki GPZ 550 |
Engine and Transmission Specifications | |
| Transmission typefinal drive | Chain |
| Gearbox | 6-speed |
| Cooling system | Air |
| Fuel control | DOHC |
| Valves per cylinder | 2 |
| Bore x stroke | 58.0 x 52.4 mm (2.3 x 2.1 inches) |
| Compression | 10.0:1 |
| Power | 58.00 |
| Stroke | 4 |
| Engine type | In-line four |
| Capacity: | 553.00 ccm (33.74 cubic inches) |
Physical measures and capacities | |
| Weight incl. oil, gas, etc | 216.0 kg (476.2 pounds) |
| | |
Kawasaki GPZ 550 dimensions and frame | |
| Rear brakes | Single disc |
| Front brakes | Dual disc |
| Rear tyre dimensions | 3.75-18 |
| Front tyre dimensions | 3.25-19 |
| | |
Speed and acceleration | |
| Top speed | 194.0 km/h (120.5 mph) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Fuel capacity | 18.00 litres (4.76 gallons) |
Performance Profile & Rider Fit
65 hp
Peak Power
4.2s
0-60 mph
120.5 mph
Top Speed
Best For
Track45%
City65%
Cornering68%
Daily Riding65%
Touring60%
Passenger55%
Rider Profile
| Best For | Suits riders with some experience who want a classic air-cooled four without overwhelming power. |
| Purpose | Best for mixed sport-touring duty, weekend twisty-road rides, and general road use rather than dedicated track or long-haul touring. |
| Rider Fit | A moderate 209 kg curb weight and mid-size dimensions make it manageable for average-height riders without excessive physical strain. |
| Character | A classic 1980s-90s inline-four with smooth, linear power delivery and a sporty yet balanced chassis feel. |
| Not Ideal For | Not ideal for riders seeking modern performance, off-road capability, or heavy long-distance touring comfort. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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