CZ 250 Twin vs Yamaha RD 250 (6-speed) (1978)

Side-by-side spec comparison, pricing, and a plain-English breakdown of how the CZ 250 Twinstacks up against the Yamaha RD 250 (6-speed). Numbers pulled from manufacturer spec sheets — click either bike for the full review.

Spec comparison

SpecCZ 250 TwinYamaha RD 250 (6-speed)
Model year19781974
Price
Engine246 cc247 cc
Horsepower17 hp30 hp
Fuel capacity3.4 L4.2 L
Fuel typepetrolpetrol
Transmission4-speed6-speed
Front brakesExpanding brakeSingle disc
Rear brakesExpanding brakeExpanding brake
Tires3.00-18 / 3.25-18 3.00-18 / 3.50-18

CZ 250 Twin vs Yamaha RD 250 (6-speed) — which should you buy?

Picking between the CZ 250 Twin and the Yamaha RD 250 (6-speed) usually comes down to the numbers you care about most. On paper, the CZ 250 Twin brings 17 hp, while the Yamaha RD 250 (6-speed) counters with 30 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: