05 Mercury 90ELPT only running on 1 and 3 HELP???

Slowerlower

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Joined
Jun 15, 2012
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2
I have a 2005 90 ELPT Saltwater 4 stroke. It's got good spark. I pulled the carbs and cleaned the them out. Starts right up but only runs on cylinders 1 and 3. Can't figure it out. Please help.
 

Slowerlower

Recruit
Joined
Jun 15, 2012
Messages
2
Re: 05 Mercury 90ELPT only running on 1 and 3 HELP???

Anyone have any experience with the carbs on this engine. I have narrowed it down to a fuel problem. If it's not the carbs than I don't know how an internal combustion engine works!
 
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