ZDZ 250B2RV-JNew rotary 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: 5500g (7327g with el. starter) 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