Yamaha RD 250 (5-speed) vs BMW R39 (1974)

Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Yamaha RD 250 (5-speed)stacks up against the BMW R39. Numbers pulled from manufacturer spec sheets — click either bike for the full review.

Spec comparison

SpecYamaha RD 250 (5-speed)BMW R39
Model year19741927
Price
Engine247 cc247 cc
Horsepower30 hp6 hp
Fuel capacity4.2 L
Fuel typepetrolpetrol
Transmission5-speed3-speed
Front brakesSingle discExpanding brake (drum brake)
Rear brakesExpanding brake
Tires3.00-18 / 3.50-18 3.5-27 / 3.5-27

Yamaha RD 250 (5-speed) vs BMW R39 — which should you buy?

Picking between the Yamaha RD 250 (5-speed) and the BMW R39 usually comes down to the numbers you care about most. On paper, the Yamaha RD 250 (5-speed) brings 30 hp, while the BMW R39 counters with 6 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: