MVVS 61 ABC GFR FIRE 2-Stroke RC Model Airplane Engine 3090 Vintage!
MVVS tend to understate the power outputs of their engines. In a comparative test (Clarence Lee, RCM) the MVVS 61 spun a 14x6" prop over 2,000 rpm higher than an OS 61FX. The hot MVVS from Czechia!