Norton Mercury 650 vs BSA Super Rocket (1969)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Norton Mercury 650stacks up against the BSA Super Rocket. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Norton Mercury 650 | BSA Super Rocket |
|---|---|---|
| Model year | 1969 | 1966 |
| Price | — | — |
| Engine | 646 cc | 646 cc |
| Weight | — | 186 kg |
| Fuel type | petrol | petrol |
| Front brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
Norton Mercury 650 vs BSA Super Rocket — which should you buy?
Picking between the Norton Mercury 650 and the BSA Super Rocket usually comes down to the numbers you care about most. On paper, the Norton Mercury 650 brings its published horsepower, while the BSA Super Rocket counters with its own power figure at 186 kg.
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: