BSA Kirby vs Suzuki DR 800 S Big (1999)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the BSA Kirbystacks up against the Suzuki DR 800 S Big. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | BSA Kirby | Suzuki DR 800 S Big |
|---|---|---|
| Model year | 1968 | 1999 |
| Price | — | — |
| Engine | 750 cc | 779 cc |
| Horsepower | — | 50 hp |
| Torque | — | 59 Nm |
| Seat height | — | 34 mm |
| Fuel capacity | — | 6.3 L |
| Fuel type | petrol | petrol |
| Transmission | — | 5-speed |
| Front brakes | — | Single disc |
| Rear brakes | — | Single disc |
| Tires | — | 90/90-21 / 130/80-17 |
BSA Kirby vs Suzuki DR 800 S Big — which should you buy?
Picking between the BSA Kirby and the Suzuki DR 800 S Big usually comes down to the numbers you care about most. On paper, the BSA Kirby brings its published horsepower, while the Suzuki DR 800 S Big 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:

