Kymco Top Boy 50 vs Derbi Revolution 50 GS (2006)

Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Kymco Top Boy 50stacks up against the Derbi Revolution 50 GS. Numbers pulled from manufacturer spec sheets — click either bike for the full review.

Spec comparison

SpecKymco Top Boy 50Derbi Revolution 50 GS
Model year20062006
Price
Engine50 cc50 cc
Horsepower5 hp9 hp
Torque6 Nm
Weight96 kg
Fuel capacity1.1 L
Fuel typepetrolpetrol
TransmissionAutomaticAutomatic
Front brakesSingle discExpanding brake (drum brake)
Rear brakesExpanding brake (drum brake)Expanding brake (drum brake)
Tires120/90-J10 / 130/90-J10

Kymco Top Boy 50 vs Derbi Revolution 50 GS — which should you buy?

Picking between the Kymco Top Boy 50 and the Derbi Revolution 50 GS usually comes down to the numbers you care about most. On paper, the Kymco Top Boy 50 brings 5 hp in a 96 kg package, while the Derbi Revolution 50 GS counters with 9 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: