- OS Engine MAX 25FX II (21L) W/892 Silencer
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Recommended props.:
Sport: 9x5, 9x6, 9,5x5, 10x5
Aerobatics: 9x6, 9,5x5Displacement [ccm] 4.07 Cylinder count 1 Bore [mm] 18 Stroke length [mm] 16 Operating RPM [ot./min] 2500 - 19000 Motor power (při 18000 ot./min) [W] 620 Power (při 18000 ot./min) [HP] 0.84 Weight (motor) [g] 260 Weight (tlumič) [g] 52 Recommended tank volume [ml] 200 - 220 Recommended spark plug O.S. MAX No. No.8 Propeller nut thread UNF 1/4-28