GAS GAS TXT Racing 125 E4 vs Yamaha ST 125 (2017)

Side-by-side spec comparison, pricing, and a plain-English breakdown of how the GAS GAS TXT Racing 125 E4stacks up against the Yamaha ST 125. Numbers pulled from manufacturer spec sheets — click either bike for the full review.

Spec comparison

SpecGAS GAS TXT Racing 125 E4Yamaha ST 125
Model year20172013
Price
Engine125 cc125 cc
Weight66 kg67 kg
Seat height25 mm25 mm
Fuel capacity0.7 L
Fuel typepetrolpetrol
Transmission6-speed5-speed
Front brakesSingle disc. Floating wave disk, 4-piston caliperSingle disc. Hydraulically activated Formula floating disc
Rear brakesSingle disc. Wave discSingle disc. Hydraulically activated Formula floating disc
Tires2.75-21 / 4.00-18

GAS GAS TXT Racing 125 E4 vs Yamaha ST 125 — which should you buy?

Picking between the GAS GAS TXT Racing 125 E4 and the Yamaha ST 125 usually comes down to the numbers you care about most. On paper, the GAS GAS TXT Racing 125 E4 brings its published horsepower in a 66 kg package, while the Yamaha ST 125 counters with its own power figure at 67 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: