Simplex Automatic vs Yamaha RX 135 (1987)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Simplex Automaticstacks up against the Yamaha RX 135. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Simplex Automatic | Yamaha RX 135 |
|---|---|---|
| Model year | 1960 | 1987 |
| Price | — | — |
| Engine | 130 cc | 132 cc |
| Horsepower | 4 hp | 11 hp |
| Weight | — | 109 kg |
| Fuel capacity | 2.5 L | — |
| Fuel type | petrol | petrol |
| Transmission | — | 4-speed |
| Rear brakes | Expanding brake (drum brake) | — |
Simplex Automatic vs Yamaha RX 135 — which should you buy?
Picking between the Simplex Automatic and the Yamaha RX 135 usually comes down to the numbers you care about most. On paper, the Simplex Automatic brings 4 hp, while the Yamaha RX 135 counters with 11 hp at 109 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: