Hercules K 125 T vs Yamaha YZ 125 (2026)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Hercules K 125 Tstacks up against the Yamaha YZ 125. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Hercules K 125 T | Yamaha YZ 125 |
|---|---|---|
| Model year | 1973 | 2026 |
| Price | — | $7,199 |
| Engine | 124 cc | 125 cc |
| Horsepower | 17 hp | — |
| Weight | — | 96 kg |
| Seat height | — | 980 mm |
| Fuel capacity | 2.8 L | 6.0 L |
| Fuel type | petrol | petrol |
| Transmission | 6-speed | Manual, 6 speed, Chain |
| Front brakes | Expanding brake | Hydraulic Disc |
| Rear brakes | Expanding brake | Hydraulic Disc |
| Tires | 2.75-17 / 3.00-17 | Bridgestone® Battlecross X20F 80/100 R21 / Bridgestone® Battlecross X20 100/90 R19 |
Hercules K 125 T vs Yamaha YZ 125 — which should you buy?
Picking between the Hercules K 125 T and the Yamaha YZ 125 usually comes down to the numbers you care about most. On paper, the Hercules K 125 T brings 17 hp, while the Yamaha YZ 125 counters with its own power figure at 96 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: