Steve,

Years ago I owned a Turbomin engine it was Kerosene start and it was never an easy affair to get it started.

I am curious why you would want to go with a propane-less start engine anyway? I assume you have seen the Jetcat engines, they are about the most reliable in terms of starting and running. JetCat had autostart long before it was "the way" to start an engine. Engine start is as simple as putting your throttle trim to high and advancing the throttle. Service here in the US is top notch when you need that. It is also the predominant engine that you will see at the events around the country as well.