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The 1972 Kawasaki H2 Mach IV and 1972 Kawasaki Z1 900 represent two chapters in Kawasaki's storied history.
The 1972 Kawasaki H2 Mach IV from Japan was powered by a 748cc 2-stroke triple producing 74hp at 6800rpm. Weighing 192.0kg (423 lbs) and with a seat height of 810mm, it was aimed at standard riders.
The 1972 Kawasaki Z1 900 by contrast offered 903cc of DOHC inline-4 power, delivering 82hp at 8500rpm. Tipping the scales at 230.0kg (507 lbs) with a top speed of 210km/h (130 mph), it offered a distinct riding experience. 1970s bikes from the Japanese superbike revolution are increasingly sought after. Clean, original examples have seen significant value appreciation.
The 1972 Kawasaki H2 Mach IV from Japan was powered by a 748cc 2-stroke triple producing 74hp at 6800rpm. Weighing 192.0kg (423 lbs) and with a seat height of 810mm, it was aimed at standard riders.
The 1972 Kawasaki Z1 900 by contrast offered 903cc of DOHC inline-4 power, delivering 82hp at 8500rpm. Tipping the scales at 230.0kg (507 lbs) with a top speed of 210km/h (130 mph), it offered a distinct riding experience. 1970s bikes from the Japanese superbike revolution are increasingly sought after. Clean, original examples have seen significant value appreciation.
Specifications Comparison
| 1972 Kawasaki H2 Mach IV | 1972 Kawasaki Z1 900 | |
|---|---|---|
| Displacement | 748 cc | 903 cc |
| Power | 74 hp | 82 hp |
| Torque | 68.0 Nm | 73.0 Nm |
| Cylinders | 3 | 4 |
| Top Speed | 210 km/h | 210 km/h |
| Quarter Mile | — | — |
| Dry Weight | 192.0 kg | 230.0 kg |
| Wet Weight | 210.0 kg | 250.0 kg |
| Seat Height | 810 mm | 820 mm |
| Wheelbase | 1420 mm | 1490 mm |
| Fuel Capacity | 16.0 L | 18.0 L |
| Gears | 5 -speed | 5 -speed |
The Verdict
Comparing these two Kawasaki machines reveals the brand's evolution. The 1972 Kawasaki H2 Mach IV laid the groundwork with 74hp, while the later 1972 Kawasaki Z1 900 pushed output to 82hp. Both share equal collector appeal at 9/10. Either way, both are worthy additions to any Kawasaki collection. Parts availability is moderate for the 1972 Kawasaki H2 Mach IV and good for the 1972 Kawasaki Z1 900 — an important factor for any restoration project.
About the 1972 Kawasaki H2 Mach IV
A standard motorcycle from 1972, the 1972 Kawasaki H2 Mach IV delivers 74hp from its 748cc 2-stroke triple engine.
Full 1972 Kawasaki H2 Mach IV Profile →About the 1972 Kawasaki Z1 900
The 1972 1972 Kawasaki Z1 900 is a 903cc four-cylinder standard motorcycle that became one of Kawasaki's most memorable motorcycles of the 1970s.
Full 1972 Kawasaki Z1 900 Profile →