Chang-Jiang BD50QT-9 150 vs Italjet Jack 150 (2007)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Chang-Jiang BD50QT-9 150stacks up against the Italjet Jack 150. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Chang-Jiang BD50QT-9 150 | Italjet Jack 150 |
|---|---|---|
| Model year | 2007 | 2007 |
| Price | — | — |
| Engine | 150 cc | 150 cc |
| Horsepower | 4 hp | — |
| Weight | 97 kg | — |
| Fuel capacity | 1.6 L | — |
| Fuel type | petrol | petrol |
| Transmission | — | Automatic |
| Front brakes | Single disc. Hand operation, disc | — |
| Rear brakes | Expanding brake (drum brake). Hand operation, drum | — |
| Tires | 130/60-13 / 130/60-13 | — |
Chang-Jiang BD50QT-9 150 vs Italjet Jack 150 — which should you buy?
Picking between the Chang-Jiang BD50QT-9 150 and the Italjet Jack 150 usually comes down to the numbers you care about most. On paper, the Chang-Jiang BD50QT-9 150 brings 4 hp in a 97 kg package, while the Italjet Jack 150 counters with its own power figure.
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:

