Polini 911 GP5 Reverse 50 vs KTM 50 SX Junior (2011)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Polini 911 GP5 Reverse 50stacks up against the KTM 50 SX Junior. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Polini 911 GP5 Reverse 50 | KTM 50 SX Junior |
|---|---|---|
| Model year | 2011 | 2009 |
| Price | — | — |
| Engine | 49 cc | 49 cc |
| Weight | 21 kg | 38 kg |
| Seat height | 18 mm | 24 mm |
| Fuel capacity | 0.4 L | 0.6 L |
| Fuel type | petrol | petrol |
| Transmission | — | Automatic |
| Front brakes | Single disc | Single disc |
| Rear brakes | Single disc | Single disc |
| Tires | 90/65-R6.5 / 110/50-R6.5 | 2.5-10 / 2.75-10 |
Polini 911 GP5 Reverse 50 vs KTM 50 SX Junior — which should you buy?
Picking between the Polini 911 GP5 Reverse 50 and the KTM 50 SX Junior usually comes down to the numbers you care about most. On paper, the Polini 911 GP5 Reverse 50 brings its published horsepower in a 21 kg package, while the KTM 50 SX Junior counters with its own power figure at 38 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: