Kitfox 7 Apex Build Episode 54 What I think about this Yamaha APEX engine?

Yamaha APEX Engine review and unexpected trouble and the solution.
In depth review and comparison of the Yamaha APEX with Lycoming, Rotax, Continental, Titan, Viking and Aeromomentum. Suggestions on how to make sure your APEX engine is in good condition.
BD Turn Key Engines AEM APEX system
bdturnkeyengine...