Blackburne 4HP vs Honda CB 550 SS (1975)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Blackburne 4HPstacks up against the Honda CB 550 SS. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Blackburne 4HP | Honda CB 550 SS |
|---|---|---|
| Model year | 1919 | 1975 |
| Price | — | — |
| Engine | 499 cc | 544 cc |
| Horsepower | — | 50 hp |
| Fuel capacity | — | 4.5 L |
| Fuel type | petrol | petrol |
| Transmission | — | 5-speed |
| Front brakes | — | Single disc |
| Rear brakes | — | Expanding brake |
| Tires | 3-28 / 3-28 | 3.25-19 / 3.75-18 |
Blackburne 4HP vs Honda CB 550 SS — which should you buy?
Picking between the Blackburne 4HP and the Honda CB 550 SS usually comes down to the numbers you care about most. On paper, the Blackburne 4HP brings its published horsepower, while the Honda CB 550 SS counters with 50 hp.
Our spec tables above highlight the winning number on each line. For the full rider-focused reviews including real-world fuel economy, service costs and available colors, click into either bike: