UM DSR 125 SM vs Rieju Marathon 125 SM Pro (2023)

Side-by-side spec comparison, pricing, and a plain-English breakdown of how the UM DSR 125 SMstacks up against the Rieju Marathon 125 SM Pro. Numbers pulled from manufacturer spec sheets — click either bike for the full review.

Spec comparison

SpecUM DSR 125 SMRieju Marathon 125 SM Pro
Model year20232023
Price
Engine125 cc125 cc
Horsepower15 hp
Weight124 kg121 kg
Seat height34 mm34 mm
Fuel capacity1.7 L1.7 L
Fuel typepetrolpetrol
Transmission6-speed6-speed
Front brakesSingle disc. Wave disc. Hydraulic. Radially mounted two-piston fork caliper.Single disc. Double piston caliper. Galfer wave disk.
Rear brakesSingle disc. Wave disc. Hydraulic. Radially mounted two-piston fork caliper.Single disc. Galfer wave disk.
Tires100/80-17 / 130/70-17 100/80-17 / 130/70-17

UM DSR 125 SM vs Rieju Marathon 125 SM Pro — which should you buy?

Picking between the UM DSR 125 SM and the Rieju Marathon 125 SM Pro usually comes down to the numbers you care about most. On paper, the UM DSR 125 SM brings 15 hp in a 124 kg package, while the Rieju Marathon 125 SM Pro counters with its own power figure at 121 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: