Yamaha SR 250 Special vs NSU 251 OSL WH (1981)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Yamaha SR 250 Specialstacks up against the NSU 251 OSL WH. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Yamaha SR 250 Special | NSU 251 OSL WH |
|---|---|---|
| Model year | 1981 | 1941 |
| Price | — | — |
| Engine | 240 cc | 242 cc |
| Horsepower | 20 hp | 11 hp |
| Weight | — | 144 kg |
| Fuel capacity | 2.6 L | 2.9 L |
| Fuel type | petrol | petrol |
| Transmission | 5-speed | — |
| Front brakes | Expanding brake | Expanding brake (drum brake) |
| Rear brakes | Expanding brake | Expanding brake (drum brake) |
| Tires | 3.00-19 / 120/90-16 | 3-19 / 3-19 |
Yamaha SR 250 Special vs NSU 251 OSL WH — which should you buy?
Picking between the Yamaha SR 250 Special and the NSU 251 OSL WH usually comes down to the numbers you care about most. On paper, the Yamaha SR 250 Special brings 20 hp, while the NSU 251 OSL WH counters with 11 hp at 144 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:

