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Calling on all Apex/RX1 Engine Gurus - Converting RX1 Engine to EFI – New Look at old question My plan is to convert a RX engine to EFI using parts from a Apex EFI engine components. The Apex engine has broken valves/guides & head. HAS ANYONE DONE THIS ALREADY?? I have on my shelf a RX1...

I've learned a lot from this forum, as I have lurked a while. I fly gyroplanes and own a machine powered by a Yamaha Nytro 2009 FX-?? that had a problem the other day. It had an overheat issue...but then it got wierd: * I left it to cool down after landing, and it was running well. I started...