The 1981 Kawasaki KZ1100 from Japan was powered by a 1089cc DOHC inline-4 producing 108hp at 8500rpm. Weighing 250.0kg (551 lbs) and with a seat height of 820mm, it was aimed at standard riders.
The 1985 Kawasaki GPZ750 Turbo by contrast offered 738cc of DOHC inline-4 turbo power, delivering 112hp at 9000rpm. Tipping the scales at 261.0kg (575 lbs) with a top speed of 240km/h (149 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 KZ1100 | 1985 Kawasaki GPZ750 Turbo | |
|---|---|---|
| Displacement | 1089 cc | 738 cc |
| Power | 108 hp | 112 hp |
| Torque | 92.0 Nm | 92.0 Nm |
| Cylinders | 4 | 4 |
| Top Speed | 225 km/h | 240 km/h |
| Quarter Mile | — | — |
| Dry Weight | 250.0 kg | 261.0 kg |
| Wet Weight | 270.0 kg | 282.0 kg |
| Seat Height | 820 mm | 790 mm |
| Wheelbase | 1530 mm | 1505 mm |
| Fuel Capacity | 20.0 L | 20.0 L |
| Gears | 5 -speed | 5 -speed |
The Verdict
Comparing these two Kawasaki machines reveals the brand's evolution. The 1981 Kawasaki KZ1100 laid the groundwork with 108hp, while the later 1985 Kawasaki GPZ750 Turbo pushed output to 112hp. From a collector's perspective, the 1985 Kawasaki GPZ750 Turbo holds the edge with a 7/10 rating. Either way, both are worthy additions to any Kawasaki collection. Parts availability is good for the 1981 Kawasaki KZ1100 and difficult for the 1985 Kawasaki GPZ750 Turbo — an important factor for any restoration project.
About the 1981 Kawasaki KZ1100
Introduced in 1981, the 1981 Kawasaki KZ1100 features a 1089cc DOHC inline-4 engine producing 108hp, establishing itself as a notable standard motorcycle.
Full 1981 Kawasaki KZ1100 Profile →About the 1985 Kawasaki GPZ750 Turbo
Introduced in 1985, the 1985 Kawasaki GPZ750 Turbo features a 738cc DOHC inline-4 turbo engine producing 112hp, establishing itself as a notable sport bike.
Full 1985 Kawasaki GPZ750 Turbo Profile →