GAS GAS SM 125 Halley vs Hyosung RX125D SM (2011)

Side-by-side spec comparison, pricing, and a plain-English breakdown of how the GAS GAS SM 125 Halleystacks up against the Hyosung RX125D SM. Numbers pulled from manufacturer spec sheets — click either bike for the full review.

Spec comparison

SpecGAS GAS SM 125 HalleyHyosung RX125D SM
Model year20102011
Price
Engine124 cc124 cc
Horsepower13 hp
Weight99 kg123 kg
Seat height37 mm33 mm
Fuel capacity2.5 L
Fuel typepetrolpetrol
Transmission6-speed5-speed
Front brakesSingle disc. 2 pistons caliper
Rear brakesSingle disc
Tires100/80-17 / 120/70-17 110/70-17 / 130/70-17

GAS GAS SM 125 Halley vs Hyosung RX125D SM — which should you buy?

Picking between the GAS GAS SM 125 Halley and the Hyosung RX125D SM usually comes down to the numbers you care about most. On paper, the GAS GAS SM 125 Halley brings its published horsepower in a 99 kg package, while the Hyosung RX125D SM counters with 13 hp at 123 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: