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The 1978 Honda CX500 and 1972 Kawasaki H2 Mach IV are both iconic 1970s standards that defined their respective markets.
The 1978 Honda CX500 from Japan was powered by a 497cc OHV V-twin producing 50hp at 9000rpm. Weighing 205.0kg (452 lbs) and with a seat height of 800mm, it was aimed at standard riders.
The 1972 Kawasaki H2 Mach IV by contrast offered 748cc of 2-stroke triple power, delivering 74hp at 6800rpm. Tipping the scales at 192.0kg (423 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 1978 Honda CX500 from Japan was powered by a 497cc OHV V-twin producing 50hp at 9000rpm. Weighing 205.0kg (452 lbs) and with a seat height of 800mm, it was aimed at standard riders.
The 1972 Kawasaki H2 Mach IV by contrast offered 748cc of 2-stroke triple power, delivering 74hp at 6800rpm. Tipping the scales at 192.0kg (423 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
| 1978 Honda CX500 | 1972 Kawasaki H2 Mach IV | |
|---|---|---|
| Displacement | 497 cc | 748 cc |
| Power | 50 hp | 74 hp |
| Torque | 42.0 Nm | 68.0 Nm |
| Cylinders | 2 | 3 |
| Top Speed | 170 km/h | 210 km/h |
| Quarter Mile | — | — |
| Dry Weight | 205.0 kg | 192.0 kg |
| Wet Weight | 222.0 kg | 210.0 kg |
| Seat Height | 800 mm | 810 mm |
| Wheelbase | 1440 mm | 1420 mm |
| Fuel Capacity | 14.0 L | 16.0 L |
| Gears | 5 -speed | 5 -speed |
The Verdict
For pure standard performance, the 1972 Kawasaki H2 Mach IV has the edge thanks to more power (74hp vs 50hp) and a higher top speed and lower weight. The 1978 Honda CX500, however, excels when all-round versatility and everyday riding is the priority. For collectors, the 1972 Kawasaki H2 Mach IV commands more attention with a 9/10 collectibility rating. Parts availability is good for the 1978 Honda CX500 and moderate for the 1972 Kawasaki H2 Mach IV — an important factor for any restoration project.
About the 1978 Honda CX500
The 1978 1978 Honda CX500 packs a 497cc OHV V-twin engine with 50hp into a standard motorcycle package from Honda.
Full 1978 Honda CX500 Profile →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 →