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My 120hp evinrude 1993 stop when i cruise at low speed

Also i remark that only one spark plug is dirty. Is that possible that it is a problem with oil injection. My mechanic tuned up the carburators but the problem is still there.

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There always that possibility and if the injectors are identical you could switch them and see if the problem moves. Then you know its that one injector. The other possiblity is spark. The wire or the coil for that plug could be weak.

Posted on Jun 25, 2009

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Click this link below and follow the troubleshooting:------

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---------

This will help.
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