BSA Golden Flash vs Mash Dirt 650 Black (2020)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the BSA Golden Flashstacks up against the Mash Dirt 650 Black. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | BSA Golden Flash | Mash Dirt 650 Black |
|---|---|---|
| Model year | 1961 | 2020 |
| Price | — | — |
| Engine | 646 cc | 647 cc |
| Horsepower | 35 hp | 40 hp |
| Torque | — | 46 Nm |
| Weight | 190 kg | 163 kg |
| Seat height | — | 31 mm |
| Fuel capacity | 5.0 L | 3.4 L |
| Fuel type | petrol | petrol |
| Front brakes | Expanding brake (drum brake) | Single disc. ABS |
| Rear brakes | Expanding brake (drum brake) | Single disc. ABS |
| Tires | — | 120/80-18 / 130/80-18 |
BSA Golden Flash vs Mash Dirt 650 Black — which should you buy?
Picking between the BSA Golden Flash and the Mash Dirt 650 Black usually comes down to the numbers you care about most. On paper, the BSA Golden Flash brings 35 hp in a 190 kg package, while the Mash Dirt 650 Black counters with 40 hp at 163 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: