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1971 18hp evinrude smokes

maynard54

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I have a 1971 evinrude and it

I have a 1971 evinrude and it seems to smoke alot. what would cause it to smoke so much. I bought it used so i dont know that anything has been done to it. I have mixed the gas a 50:1. Please help

Thanks
 
"Hello Bret, the synchronizati

"Hello Bret, the synchronization between the magneto and the carburetor is very important. The carburetor is closed at idle and the ignition timing regulate the speed. If the carburetor is partially open at idle then the motor will smoke. I had this problem on a 1970 25 hp. Hope this help?"
 
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