Vincent Mighty Mouse vs Yamaha SR 500 (reduced effect) (1985)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Vincent Mighty Mousestacks up against the Yamaha SR 500 (reduced effect). Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Vincent Mighty Mouse | Yamaha SR 500 (reduced effect) |
|---|---|---|
| Model year | 1966 | 1985 |
| Price | — | — |
| Engine | 498 cc | 499 cc |
| Horsepower | — | 27 hp |
| Fuel capacity | — | 3.2 L |
| Fuel type | petrol | petrol |
| Transmission | — | 5-speed |
| Front brakes | — | Single disc |
| Rear brakes | — | Expanding brake |
| Tires | — | 3.50-18 / 4.00-18 |
Vincent Mighty Mouse vs Yamaha SR 500 (reduced effect) — which should you buy?
Picking between the Vincent Mighty Mouse and the Yamaha SR 500 (reduced effect) usually comes down to the numbers you care about most. On paper, the Vincent Mighty Mouse brings its published horsepower, while the Yamaha SR 500 (reduced effect) counters with 27 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:

