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The 1975 Honda CB400F Super Sport and 1978 Honda CBX represent two chapters in Honda's storied history.
The 1975 Honda CB400F Super Sport from Japan was powered by a 408cc SOHC inline-4 producing 37hp at 8500rpm. Weighing 174.0kg (384 lbs) and with a seat height of 790mm, it was aimed at standard riders.
The 1978 Honda CBX by contrast offered 1047cc of DOHC inline-6 power, delivering 105hp at 9000rpm. Tipping the scales at 247.0kg (545 lbs) with a top speed of 215km/h (134 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 1975 Honda CB400F Super Sport from Japan was powered by a 408cc SOHC inline-4 producing 37hp at 8500rpm. Weighing 174.0kg (384 lbs) and with a seat height of 790mm, it was aimed at standard riders.
The 1978 Honda CBX by contrast offered 1047cc of DOHC inline-6 power, delivering 105hp at 9000rpm. Tipping the scales at 247.0kg (545 lbs) with a top speed of 215km/h (134 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
| 1975 Honda CB400F Super Sport | 1978 Honda CBX | |
|---|---|---|
| Displacement | 408 cc | 1047 cc |
| Power | 37 hp | 105 hp |
| Torque | 32.0 Nm | 85.0 Nm |
| Cylinders | 4 | 6 |
| Top Speed | 165 km/h | 215 km/h |
| Quarter Mile | — | — |
| Dry Weight | 174.0 kg | 247.0 kg |
| Wet Weight | 189.0 kg | 272.0 kg |
| Seat Height | 790 mm | 810 mm |
| Wheelbase | 1375 mm | 1510 mm |
| Fuel Capacity | 13.0 L | 22.0 L |
| Gears | 6 -speed | 5 -speed |
The Verdict
Comparing these two Honda machines reveals the brand's evolution. The 1975 Honda CB400F Super Sport laid the groundwork with 37hp, while the later 1978 Honda CBX pushed output to 105hp. From a collector's perspective, the 1978 Honda CBX holds the edge with a 9/10 rating. Either way, both are worthy additions to any Honda collection.
About the 1975 Honda CB400F Super Sport
Born in 1975, the 1975 Honda CB400F Super Sport is a 408cc four-cylinder standard motorcycle producing 37hp from Honda.
Full 1975 Honda CB400F Super Sport Profile →About the 1978 Honda CBX
The 1978 1978 Honda CBX packs a 1047cc DOHC inline-6 engine with 105hp into a standard motorcycle package from Honda.
Full 1978 Honda CBX Profile →