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Chris
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51 Posts
Discussion Starter · #1 ·
I picked up a 2005 Merc 15 a couple weeks ago. When the seller test ran the motor for me it started right up and ran good once it had a minute to warm up. I took the motor home and discovered the gas in the tank was bad. So I got fresh gas and again the motor ran like it should.

The next day I took the boat out and right away I had trouble getting the motor started. Once started it won't idle and at full throttle the motor isn't running at full song. Sounds like its missing something, don't know too much about motors to really tell you whats happening. I ran the motor off and on for about 4hrs and it didn't get any better.

I hope its not something serious. Any thoughts?
 

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Brandon, FL
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12,500 Posts
Most likely the carbs just need a good cleaning. Might have some small pieces of varnish stuck in the jets. If it is carburated. Does not sound like a serious issue.
 

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Chris
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51 Posts
Discussion Starter · #3 ·
Ok, so with the help of a friend I've cleaned the carb, changed the fuel filter and replaced the fuel tank line. All of which were clogged up. I also cleaned the tank and the fuel line connections.

Motor won't started. Pull on the cord, turns over but nothing happens.
 

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> PRO STAFF <
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7,536 Posts
If you have spark and compression, then the only thing missing is fuel.
Make sure you have a full function fuel system, all the way to the carb.
If fuel is reaching the carb and filling the float bowl, then the carb is still not functioning properly.
 
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