Yamaha DT 50 MX vs Simson S51 B1-4 (1983)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Yamaha DT 50 MXstacks up against the Simson S51 B1-4. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Yamaha DT 50 MX | Simson S51 B1-4 |
|---|---|---|
| Model year | 1983 | 1980 |
| Price | — | $1,500 |
| Engine | 50 cc | 50 cc |
| Horsepower | — | 4 hp |
| Weight | 81 kg | 79 kg |
| Seat height | 31 mm | — |
| Fuel capacity | 1.1 L | 2.3 L |
| Fuel type | petrol | petrol |
| Transmission | 6-speed | 4-speed |
| Front brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
Yamaha DT 50 MX vs Simson S51 B1-4 — which should you buy?
Picking between the Yamaha DT 50 MX and the Simson S51 B1-4 usually comes down to the numbers you care about most. On paper, the Yamaha DT 50 MX brings its published horsepower in a 81 kg package, while the Simson S51 B1-4 counters with 4 hp at 79 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: