Fiala Motors also known as Valach Motors
Fiala Motors VM 250 5 cylinder Radial
Volume 250 ccm
Bore 42 mm
Stroke 35,6 mm ( average)
Weight 5,6 kg
2-blade propeller 32/16, 34/16, 34/18
3-blade propeller 30/16
RPM Range 1000- 4400
