Big Dog Mutt vs Sanya SY125-8C (2023)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Big Dog Muttstacks up against the Sanya SY125-8C. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Big Dog Mutt | Sanya SY125-8C |
|---|---|---|
| Model year | 2008 | 2023 |
| Price | — | — |
| Engine | 117 cc | 124 cc |
| Horsepower | — | 10 hp |
| Weight | 315 kg | 130 kg |
| Seat height | 24 mm | 30 mm |
| Fuel capacity | 3.8 L | 4.0 L |
| Fuel type | petrol | petrol |
| Transmission | 6-speed | — |
| Front brakes | Single disc | Single disc. 2-piston calipers |
| Rear brakes | Single disc | Expanding brake (drum brake) |
| Tires | MH90-21 / 250/40-R18 | 2.50-18 / 2.75-16 |
Big Dog Mutt vs Sanya SY125-8C — which should you buy?
Picking between the Big Dog Mutt and the Sanya SY125-8C usually comes down to the numbers you care about most. On paper, the Big Dog Mutt brings its published horsepower in a 315 kg package, while the Sanya SY125-8C counters with 10 hp at 130 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:

