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Posting a reply to: Re: O.K....I'M stumped!! Johnson 8hp 4 stroke.

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hi


You are replying to:
pklingen
Posted 6/20/2021 7:34 PM (#980791 - in reply to #980766)
Subject: Re: O.K....I'M stumped!! Johnson 8hp 4 stroke.




Posts: 860


Location: NE Ohio
^^^^^
mechanic said he pulled the lower motor portion off and where the two exhaust ports came together to get to the prop portion it was plugged with carbon from many many many hours of trolling. he used some type of flexible rod or tool to remove the carbon buildup in the entire tube and tubes. it runs great now. as your problem, mine wouldn't rev up just idle and a little more. he said the exhaust had no where to go with the built up carbon blockage. hope that helps. i didn't watch him but he showed me the dirty stuff that came out. nasty stuff.

since then i have had leaf blowers that sit in the garage between uses and those mud bees will close off the exhaust port and then it doesn't run. that's the first thing i look at now!

Edited by pklingen 6/20/2021 7:39 PM

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