Yamaha DT50R vs Rieju 50 MRX Castrol (2011)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Yamaha DT50Rstacks up against the Rieju 50 MRX Castrol. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Yamaha DT50R | Rieju 50 MRX Castrol |
|---|---|---|
| Model year | 2011 | 2005 |
| Price | — | — |
| Engine | 50 cc | 50 cc |
| Horsepower | 3 hp | 8 hp |
| Torque | 3 Nm | — |
| Seat height | 35 mm | — |
| Fuel capacity | 1.6 L | 2.2 L |
| Fuel type | petrol | petrol |
| Transmission | 6-speed | 6-speed |
| Front brakes | Single disc | Single disc. 2 piston calipers |
| Rear brakes | Single disc | Single disc |
| Tires | 80/90-21 / 110/80-18 | 80/90-21 / 110/80-18 |
Yamaha DT50R vs Rieju 50 MRX Castrol — which should you buy?
Picking between the Yamaha DT50R and the Rieju 50 MRX Castrol usually comes down to the numbers you care about most. On paper, the Yamaha DT50R brings 3 hp, while the Rieju 50 MRX Castrol counters with 8 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:

