ZDZ 250B2-J Moteur 250cc (avec allumages électronique)

New reed valve twincylinder opposed engine with 250ccm of displacement.

 

Completely new concept of separated heads allowing optional modification of cylinder head for improved cooling for such applications like helicopters, powered paragliding etc.

Double spark plug system is an option for improved power and safety in PPG systems and small ULL planes. 

 

Displacement: 250ccm

Weight: 5700g

Bore: 56mm

Stroke: 50mm

RPM range 1000-8500ot/min

Ignition: Processor controlled 4,8-7V

Fuel mixture N95+rec. oil: 1:35

Recomm. twinblade props 34x16, 36x12, 36x14

Recomm threeblade props: 33x12, 33x14, 34x12