If you flip a coin you won't make a bad decision here. I have helped a few with the Evolution and it really is a user friendly engine. Idles like a champ and easy to start. So have the OS engines. One recently soloed flier was surprised at how easy the OS 46 FX was to run. No need for the electric started he had been using. Learning how to set and adjust an engine is part of the fun of flying.

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