Norton Mercury 650 vs Norton 650SS (1969)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Norton Mercury 650stacks up against the Norton 650SS. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Norton Mercury 650 | Norton 650SS |
|---|---|---|
| Model year | 1969 | 1967 |
| Price | — | — |
| Engine | 646 cc | 646 cc |
| Horsepower | — | 52 hp |
| 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 Norton 650SS — which should you buy?
Picking between the Norton Mercury 650 and the Norton 650SS usually comes down to the numbers you care about most. On paper, the Norton Mercury 650 brings its published horsepower, while the Norton 650SS counters with 52 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: