Does anyone know if the gx200/clone engine fires it's spark plug on the exhaust stroke(so it would make a standard tachometer read double the actual RPM)?
If you go to a marine dealer that sells 2 strokes and ask if they have any tachs for monitoring small motors ect they may have something for you.
I have a tach on my mini that uses induction of the spark plug lead. Its just a little battery opperated LCD unit that was designed for guys to monitor the engine while trolling but it works just fine up to 4700 RPM where I run now and higher although I don't know what the error on it is.
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