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Not Getting Spark 1993 90 hp

Cahall1

New member
I have a 93 Bayliner Jet Boat with a Mercury 90 horse. I have replaced spark plugs and wires but I have no spark. What would cause this please help!
 
Re: Not Getting Spark

I had the same problem with my V6 175 hp and it was the "box" that distributes the electricity to the coils...cannot remember the name of that box...not sure if your engine has that ?
 
Re: Not Getting Spark

You say it's a Jet Boat - so is it a 90 Merc outboard with the jet lower unit in place of the normal prop or is it a 90 "Sport Jet".

The engines are similar, but best we know exactly what model were looking at when trying to troubleshoot...
 
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