Yamaha RD 125 vs Yamaha AS 3 (1975)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Yamaha RD 125stacks up against the Yamaha AS 3. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Yamaha RD 125 | Yamaha AS 3 |
|---|---|---|
| Model year | 1975 | 1972 |
| Price | — | — |
| Engine | 125 cc | 125 cc |
| Horsepower | 17 hp | 16 hp |
| Fuel capacity | 3.0 L | 2.4 L |
| Fuel type | petrol | petrol |
| Transmission | 5-speed | 5-speed |
| Front brakes | Single disc | Expanding brake |
| Rear brakes | Expanding brake | Expanding brake |
| Tires | 2.75-18 / 3.00-18 | 2.50-18 / 2.75-18 |
Yamaha RD 125 vs Yamaha AS 3 — which should you buy?
Picking between the Yamaha RD 125 and the Yamaha AS 3 usually comes down to the numbers you care about most. On paper, the Yamaha RD 125 brings 17 hp, while the Yamaha AS 3 counters with 16 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: