Yamaha DT50X vs Rieju RR Castrol (2012)

Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Yamaha DT50Xstacks up against the Rieju RR Castrol. Numbers pulled from manufacturer spec sheets — click either bike for the full review.

Spec comparison

SpecYamaha DT50XRieju RR Castrol
Model year20122005
Price
Engine249 cc50 cc
Horsepower18 hp10 hp
Torque19 Nm
Weight133 kg
Seat height31 mm
Fuel capacity2.5 L1.6 L
Fuel typepetrolpetrol
Transmission5-speed6-speed
Front brakesSingle discSingle disc. Double piston
Rear brakesSingle discSingle disc
Tires110/70-17 / 130/70-17 80/90-21 / 110/80-18

Yamaha DT50X vs Rieju RR Castrol — which should you buy?

Picking between the Yamaha DT50X and the Rieju RR Castrol usually comes down to the numbers you care about most. On paper, the Yamaha DT50X brings 18 hp in a 133 kg package, while the Rieju RR Castrol counters with 10 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: