1988 johnson 28hp weak spark

awdgraybird

Cadet
Joined
Sep 2, 2011
Messages
14
i am trying to figure out a boat motor it runs but will not idlei have chased it down to a weak spark issue it is on both cylinders so that leads me to believe it is not the coils and is the cdi or stator orsomething along the lines does anyone know how to test these thank you
 
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