The 1974 Kawasaki KZ400 from Japan was powered by a 398cc DOHC twin producing 36hp at 8500rpm. Weighing 177.0kg (390 lbs) and with a seat height of 800mm, it was aimed at standard riders.
The 1975 Kawasaki KH500 by contrast offered 498cc of 2-stroke triple power, delivering 52hp at 7000rpm. Tipping the scales at 183.0kg (403 lbs) with a top speed of 175km/h (109 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
| 1974 Kawasaki KZ400 | 1975 Kawasaki KH500 | |
|---|---|---|
| Displacement | 398 cc | 498 cc |
| Power | 36 hp | 52 hp |
| Torque | 32.0 Nm | 46.0 Nm |
| Cylinders | 2 | 3 |
| Top Speed | 155 km/h | 175 km/h |
| Quarter Mile | — | — |
| Dry Weight | 177.0 kg | 183.0 kg |
| Wet Weight | 192.0 kg | 198.0 kg |
| Seat Height | 800 mm | 800 mm |
| Wheelbase | 1370 mm | 1395 mm |
| Fuel Capacity | 14.0 L | 15.0 L |
| Gears | 5 -speed | 5 -speed |
The Verdict
Comparing these two Kawasaki machines reveals the brand's evolution. The 1974 Kawasaki KZ400 laid the groundwork with 36hp, while the later 1975 Kawasaki KH500 pushed output to 52hp. From a collector's perspective, the 1975 Kawasaki KH500 holds the edge with a 6/10 rating. Either way, both are worthy additions to any Kawasaki collection. Parts availability is good for the 1974 Kawasaki KZ400 and moderate for the 1975 Kawasaki KH500 — an important factor for any restoration project.
About the 1974 Kawasaki KZ400
The 1974 1974 Kawasaki KZ400 is a 398cc twin-cylinder standard motorcycle that became one of Kawasaki's most memorable motorcycles of the 1970s.
Full 1974 Kawasaki KZ400 Profile →About the 1975 Kawasaki KH500
The 1975 1975 Kawasaki KH500 is a 498cc triple-cylinder standard motorcycle that became one of Kawasaki's most memorable motorcycles of the 1970s.
Full 1975 Kawasaki KH500 Profile →