KSR Demonio 50 vs Yamaha Aerox 4 (2021)

Side-by-side spec comparison, pricing, and a plain-English breakdown of how the KSR Demonio 50stacks up against the Yamaha Aerox 4. Numbers pulled from manufacturer spec sheets — click either bike for the full review.

Spec comparison

SpecKSR Demonio 50Yamaha Aerox 4
Model year20212021
Price
Engine50 cc50 cc
Horsepower3 hp3 hp
Torque3 Nm
Weight95 kg
Seat height32 mm
Fuel capacity1.1 L1.6 L
Fuel typepetrolpetrol
TransmissionAutomatic
Front brakesSingle discSingle disc
Rear brakesSingle discSingle disc
Tires120/70-12 / 130/70-12 120/70-13 / 130/60-13

KSR Demonio 50 vs Yamaha Aerox 4 — which should you buy?

Picking between the KSR Demonio 50 and the Yamaha Aerox 4 usually comes down to the numbers you care about most. On paper, the KSR Demonio 50 brings 3 hp in a 95 kg package, while the Yamaha Aerox 4 counters with 3 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: