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Old 26-06-2013, 17:19   #1
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stuck on Illinois waterway

Ok so at the moment I'm hanging out in front of a lock that is closed it seems for the night. My motor is acting mighty strange. It is a 9.9 yamaha electric start extra long shaft. Or the t9.9exhw.

It will only start up with quite a bit of gass being given to it, it soon dies afterward though. Can't idle without stalling. Stays running great oncw you manage to get it in forward or reverse but again dies on idle.

Anything ideas for me? I am not super motor sauve, and I have no access to outside resources at the momemt. Sorry for spelling mistakes, typing on phone.
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Old 26-06-2013, 17:36   #2
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My first bet is a gummed up carb. Do you kill the fuel supply and let the motor die when time to shut it off?
SC
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Old 26-06-2013, 17:44   #3
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Yeah just have been throttling down and it dies on its own. It has been pretty hysterical docking with a big question mark on whether I am going to get yo reverse at some point. Also I have only had this engine for a couple weeks, not sure how it was treated beforw hand.
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Old 26-06-2013, 18:28   #4
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Re: stuck on Illinois waterway

SC is right, gummed up carb.

Some can be cleaned out with small wires run through like a pipe cleaner, don't know about yours.

You can try a carb cleaner or fuel treatment, but it is unlikely to work.
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Old 26-06-2013, 18:39   #5
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Re: stuck on Illinois waterway

Tag wire is your friend. It sounds like the idle circuit has picked up crud particles. If you have a low speed idle screw you can open it a turn and see if it will idle. Failing that you will have to disassemble it and clean the high speed jet and poke tag wire into those tiny little holes usually located above the choke plate
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Old 26-06-2013, 22:10   #6
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Ok thanks guys. I will work on it in the morning
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