Yamaha Big Bear 250 vs BamX BX250-S1 Assault (2011)

Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Yamaha Big Bear 250stacks up against the BamX BX250-S1 Assault. Numbers pulled from manufacturer spec sheets — click either bike for the full review.

Spec comparison

SpecYamaha Big Bear 250BamX BX250-S1 Assault
Model year20112010
Price$2,499
Engine230 cc230 cc
Horsepower12 hp
Torque18 Nm
Weight395 kg
Seat height30 mm30 mm
Fuel capacity3.2 L1.7 L
Fuel typepetrolpetrol
Transmission4-speed
Front brakesDouble discSingle disc
Rear brakesExpanding brake (drum brake)Single disc
Tires22/7-10 / 22/10-10 21/7-10 / 20/10-9

Yamaha Big Bear 250 vs BamX BX250-S1 Assault — which should you buy?

Picking between the Yamaha Big Bear 250 and the BamX BX250-S1 Assault usually comes down to the numbers you care about most. On paper, the Yamaha Big Bear 250 brings its published horsepower, while the BamX BX250-S1 Assault counters with 12 hp at 395 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: