SSR Motorsports R-Series SR125RB vs Yamaha YZ 125 Monster Energy Racing Edition (2025)

Side-by-side spec comparison, pricing, and a plain-English breakdown of how the SSR Motorsports R-Series SR125RBstacks up against the Yamaha YZ 125 Monster Energy Racing Edition. Numbers pulled from manufacturer spec sheets — click either bike for the full review.

Spec comparison

SpecSSR Motorsports R-Series SR125RBYamaha YZ 125 Monster Energy Racing Edition
Model year20252025
Price
Engine125 cc125 cc
Weight95 kg
Fuel typepetrolpetrol
Tires100/70 R17 / 100/90 R14Bridgestone® X20F 80/100 R21 / Bridgestone® X20 100/90 R19

SSR Motorsports R-Series SR125RB vs Yamaha YZ 125 Monster Energy Racing Edition — which should you buy?

Picking between the SSR Motorsports R-Series SR125RB and the Yamaha YZ 125 Monster Energy Racing Edition usually comes down to the numbers you care about most. On paper, the SSR Motorsports R-Series SR125RB brings its published horsepower, while the Yamaha YZ 125 Monster Energy Racing Edition counters with its own power figure at 95 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: