Yamaha DS 6 vs BSA B 25 Star (1970)

Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Yamaha DS 6stacks up against the BSA B 25 Star. Numbers pulled from manufacturer spec sheets — click either bike for the full review.

Spec comparison

SpecYamaha DS 6BSA B 25 Star
Model year19701970
Price
Engine246 cc247 cc
Horsepower28 hp26 hp
Fuel capacity2.9 L3.7 L
Fuel typepetrolpetrol
Transmission5-speed4-speed
Front brakesExpanding brakeExpanding brake
Rear brakesExpanding brakeExpanding brake
Tires3.00-18 / 3.25-18 3.25-18 / 3.50-18

Yamaha DS 6 vs BSA B 25 Star — which should you buy?

Picking between the Yamaha DS 6 and the BSA B 25 Star usually comes down to the numbers you care about most. On paper, the Yamaha DS 6 brings 28 hp, while the BSA B 25 Star counters with 26 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: