Sachs SpeedJet RS 50 vs Yamaha Aerox SP55 (2012)

Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Sachs SpeedJet RS 50stacks up against the Yamaha Aerox SP55. Numbers pulled from manufacturer spec sheets — click either bike for the full review.

Spec comparison

SpecSachs SpeedJet RS 50Yamaha Aerox SP55
Model year20122012
Price
Engine49 cc49 cc
Horsepower3 hp3 hp
Torque4 Nm
Weight90 kg
Seat height32 mm33 mm
Fuel capacity1.6 L1.9 L
Fuel typepetrolpetrol
TransmissionAutomaticAutomatic
Front brakesSingle discSingle disc
Rear brakesExpanding brake (drum brake)Single disc
Tires120/70-12 / 120/70-12 130/60-13 / 140/60-13

Sachs SpeedJet RS 50 vs Yamaha Aerox SP55 — which should you buy?

Picking between the Sachs SpeedJet RS 50 and the Yamaha Aerox SP55 usually comes down to the numbers you care about most. On paper, the Sachs SpeedJet RS 50 brings 3 hp in a 90 kg package, while the Yamaha Aerox SP55 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: