Mercury Opti 225 spark question

balistikb

Seaman
Joined
May 21, 2009
Messages
52
I am still trying to troubleshoot an issue with my engine not starting. I was told to check for spark so I bought one of those inline spark detectors.
My question is, should I see a spark indicate even though the engine isn't able to start?
The indicator does light but only when I go to from the turning the key from the start position to the off position.
Does this sound right?
 

woody66912

Senior Chief Petty Officer
Joined
Jul 12, 2008
Messages
690
Re: Mercury Opti 225 spark question

i would try new ignition switch sounds like the stop circuit is overriding the run circuit i/e key switch is shorted to ground.
 

balistikb

Seaman
Joined
May 21, 2009
Messages
52
Re: Mercury Opti 225 spark question

Ignition switch meaning the key switch? If so I don't think that is bad because I just took a motor off this boat and it was starting up fine.
 
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