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Old 12-15-2013, 06:02 PM
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Join Date: Jun 2010
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yea. that make sense to me that the sensor picks up signals the best when its lying flat. My other gas engines are like that.
But this 40cc engine original sensor mount comes in vertical. It works fine with the original CRRC ignition. But not with my Rcexl.
However, a lot of ppl switched to Rcexl without a problem. I would just give it a try and switch the polarility of the sensor.