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Author Topic:   Mercury Ignition: No Spark
tyrleon posted 10-08-2006 11:56 AM ET (US)   Profile for tyrleon   Send Email to tyrleon  
I have a 1995 two-stroke Mercury 60-HP motor. I'm getting no spark to any of the three cylinders. I've traced power to most of the wires, and what seems to be the problem is that there is power getting into the switchbox, but there is no power coming out to the coils. I thought that I had traced the problem, but the more I read about the switchbox and trigger, I'm not sure. Any help would be appreciated.
Bjornas posted 10-11-2006 01:19 AM ET (US)     Profile for Bjornas  Send Email to Bjornas     
The power pack is most likely dead. They run anywhere from $160 to $300 for your size engine. Call your marine mechanic and confirm what he thinks it is, but chances are it is the power pack from your description. You could probably change it out yourself and save yourself about $300 to $400.
jimh posted 10-11-2006 08:38 AM ET (US)     Profile for jimh  Send Email to jimh     
When all cylinders are affected, it must be a component that is common to all. It sounds like the ignition controller or switchbox is faulty. However, check that it is being supplied with the proper voltages and signals before investing in a new unit. Have you checked the KILL SWITCH yet? This is the most common cause of loss of spark.
phatwhaler posted 10-11-2006 01:56 PM ET (US)     Profile for phatwhaler  Send Email to phatwhaler     
When it comes time to get parts you might want to check here.

I recently scored two voltage regulators from CDI for the price of one Mercury part. FYI, I had to order them through a mechanic.

They are probably a better part too.

pw out.

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