UM DTF-90 vs Yamaha RS 100 DX (2007)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the UM DTF-90stacks up against the Yamaha RS 100 DX. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | UM DTF-90 | Yamaha RS 100 DX |
|---|---|---|
| Model year | 2007 | 1977 |
| Price | $1,299 | — |
| Engine | 86 cc | 97 cc |
| Horsepower | — | 11 hp |
| Weight | 63 kg | — |
| Seat height | 27 mm | — |
| Fuel capacity | 1.5 L | 2.4 L |
| Fuel type | petrol | petrol |
| Transmission | 4-speed | 5-speed |
| Front brakes | Single disc | Expanding brake |
| Rear brakes | Expanding brake (drum brake) | Expanding brake |
| Tires | — | 2.50-18 / 2.75-18 |
UM DTF-90 vs Yamaha RS 100 DX — which should you buy?
Picking between the UM DTF-90 and the Yamaha RS 100 DX usually comes down to the numbers you care about most. On paper, the UM DTF-90 brings its published horsepower in a 63 kg package, while the Yamaha RS 100 DX counters with 11 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: