Yamaha SZ-RR Version 2.0 vs Keeway Ajax 150 (2018)

Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Yamaha SZ-RR Version 2.0stacks up against the Keeway Ajax 150. Numbers pulled from manufacturer spec sheets — click either bike for the full review.

Spec comparison

SpecYamaha SZ-RR Version 2.0Keeway Ajax 150
Model year20182017
Price
Engine149 cc149 cc
Horsepower12 hp11 hp
Torque13 Nm10 Nm
Weight99 kg
Seat height32 mm30 mm
Fuel capacity3.7 L4.2 L
Fuel typepetrolpetrol
Transmission5-speed5-speed
Front brakesSingle discSingle disc
Rear brakesExpanding brake (drum brake)Expanding brake (drum brake)
Tires2.75-17 / 100/90-17 2.75-18 / 3.00-18

Yamaha SZ-RR Version 2.0 vs Keeway Ajax 150 — which should you buy?

Picking between the Yamaha SZ-RR Version 2.0 and the Keeway Ajax 150 usually comes down to the numbers you care about most. On paper, the Yamaha SZ-RR Version 2.0 brings 12 hp, while the Keeway Ajax 150 counters with 11 hp at 99 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: