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mercury 650 not getting spark

usmc999054's Avatar

Join Date: Aug 2009
Posts: 1

08-16-09, 08:28 PM   #1  
mercury 650 not getting spark

I have a mercury 650 cylinder outboard motor. It cranks fine but only gets spark when the ignition is turned from crank to run and the flywheel is still rotating til it stops. all the wires test good for continuity, the distributor is new, what could be the problem?

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samuari's Avatar

Join Date: Jul 2008
Posts: 541

08-17-09, 06:15 PM   #2  
Check for power coming out of your key switch. I would guess the mag. is getting power from the start circuit but not the run circuit. I think it might have a M for magneto and a I for the run circuit on the back of the key switch.

Another thing it might be is a kill switch.

new.to.this.'s Avatar

Join Date: Feb 2010
Posts: 1

02-01-10, 08:32 PM   #3  
hey usmc999054.
I have the exact same problim and outboard
Have you worked out what caused it?
Any help would be great.

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