Tomos BT 50 S vs Zündapp 517 KS 50 (1989)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Tomos BT 50 Sstacks up against the Zündapp 517 KS 50. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Tomos BT 50 S | Zündapp 517 KS 50 |
|---|---|---|
| Model year | 1989 | 1969 |
| Price | — | — |
| Engine | 50 cc | 50 cc |
| Horsepower | 5 hp | — |
| Weight | 70 kg | 86 kg |
| Fuel capacity | — | 3.6 L |
| Fuel type | petrol | petrol |
| Transmission | 5-speed | — |
| Front brakes | Expanding brake (drum brake) | Single disc |
| Rear brakes | — | Expanding brake (drum brake) |
Tomos BT 50 S vs Zündapp 517 KS 50 — which should you buy?
Picking between the Tomos BT 50 S and the Zündapp 517 KS 50 usually comes down to the numbers you care about most. On paper, the Tomos BT 50 S brings 5 hp in a 70 kg package, while the Zündapp 517 KS 50 counters with its own power figure at 86 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: