VS
The 1981 Kawasaki GPz550 and 1990 Yamaha FZR400RR 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 1990 Yamaha FZR400RR by contrast offered 399cc of DOHC inline-4 power, delivering 63hp at 12000rpm. Tipping the scales at 163.0kg (359 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 1990 Yamaha FZR400RR by contrast offered 399cc of DOHC inline-4 power, delivering 63hp at 12000rpm. Tipping the scales at 163.0kg (359 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 | 1990 Yamaha FZR400RR | |
|---|---|---|
| Displacement | 553 cc | 399 cc |
| Power | 58 hp | 63 hp |
| Torque | 47.0 Nm | 38.0 Nm |
| Cylinders | 4 | 4 |
| Top Speed | 185 km/h | 210 km/h |
| Quarter Mile | — | — |
| Dry Weight | 194.0 kg | 163.0 kg |
| Wet Weight | 210.0 kg | 177.0 kg |
| Seat Height | 800 mm | 770 mm |
| Wheelbase | 1430 mm | 1360 mm |
| Fuel Capacity | 16.0 L | 15.0 L |
| Gears | 6 -speed | 6 -speed |
The Verdict
For pure sportbike performance, the 1990 Yamaha FZR400RR has the edge thanks to more power (63hp 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. Parts availability is good for the 1981 Kawasaki GPz550 and moderate for the 1990 Yamaha FZR400RR — 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 1990 Yamaha FZR400RR
The 1990 1990 Yamaha FZR400RR is a 399cc four-cylinder sport bike that became one of Yamaha's most memorable motorcycles of the 1990s.
Full 1990 Yamaha FZR400RR Profile →