ZDZ 420B4-J
NEW!!!! Significantly improved former version of ZDZ 420B4 engine with new cylinders for higher performance and much better cooling and new improved design of crankcase.

Two stroke four cylinder flat model gas engine 420ccm. Suitable for gian scale airplane models with weight over 40kg and wingspan over 4 meters.

Displacement: 420ccm
Weight: 10500g
Bore: 52mm
Stroke: 50mm
RPM range 1000-8500RPM
Ignition: Proc. controlled 4,8-7V
Fuel mixture N95+rec.oil): 1:35
Recomm. twinblade props: 38x14,38x16, 40x12, 40x14
Recomm. threeblade props: 36x14-18