VS
The 1981 Kawasaki GPz550 and 1979 Ducati MHR 900 both compete in the sportbike segment, offering riders distinct interpretations of the formula.
The 1981 Kawasaki GPz550 from Japan was powered by a 553cc DOHC inline-4 producing 58hp at 9500rpm. Weighing 194.0kg (428 lbs) and with a seat height of 800mm, it was aimed at sportbike riders.
The 1979 Ducati MHR 900, hailing from Italy, by contrast offered 864cc of SOHC L-twin bevel power, delivering 72hp at 7500rpm. Tipping the scales at 192.0kg (423 lbs) with a top speed of 210km/h (130 mph), it offered a distinct riding experience. 1980s motorcycles are the rising stars of the collector market. Early sportbikes and final-generation air-cooled models are gaining strong interest.
The 1981 Kawasaki GPz550 from Japan was powered by a 553cc DOHC inline-4 producing 58hp at 9500rpm. Weighing 194.0kg (428 lbs) and with a seat height of 800mm, it was aimed at sportbike riders.
The 1979 Ducati MHR 900, hailing from Italy, by contrast offered 864cc of SOHC L-twin bevel power, delivering 72hp at 7500rpm. Tipping the scales at 192.0kg (423 lbs) with a top speed of 210km/h (130 mph), it offered a distinct riding experience. 1980s motorcycles are the rising stars of the collector market. Early sportbikes and final-generation air-cooled models are gaining strong interest.
Specifications Comparison
| 1981 Kawasaki GPz550 | 1979 Ducati MHR 900 | |
|---|---|---|
| Displacement | 553 cc | 864 cc |
| Power | 58 hp | 72 hp |
| Torque | 47.0 Nm | 66.0 Nm |
| Cylinders | 4 | 2 |
| Top Speed | 185 km/h | 210 km/h |
| Quarter Mile | — | — |
| Dry Weight | 194.0 kg | 192.0 kg |
| Wet Weight | 210.0 kg | 207.0 kg |
| Seat Height | 800 mm | 790 mm |
| Wheelbase | 1430 mm | 1440 mm |
| Fuel Capacity | 16.0 L | 18.0 L |
| Gears | 6 -speed | 5 -speed |
The Verdict
For pure sportbike performance, the 1979 Ducati MHR 900 has the edge thanks to more power (72hp vs 58hp) and a higher top speed and lower weight. The 1981 Kawasaki GPz550, however, excels when aggressive cornering and track-day performance is the priority. For collectors, the 1979 Ducati MHR 900 commands more attention with a 9/10 collectibility rating. Parts availability is good for the 1981 Kawasaki GPz550 and moderate for the 1979 Ducati MHR 900 — an important factor for any restoration project.
About the 1981 Kawasaki GPz550
The 1981 1981 Kawasaki GPz550 is a 553cc four-cylinder sport bike that became one of Kawasaki's most memorable motorcycles of the 1980s.
Full 1981 Kawasaki GPz550 Profile →About the 1979 Ducati MHR 900
A sport bike from 1979, the 1979 Ducati MHR 900 delivers 72hp from its 864cc SOHC L-twin bevel engine.
Full 1979 Ducati MHR 900 Profile →