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'78 Johnson 15hp - troubleshooting
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<blockquote data-quote="RaisedByWolves" data-source="post: 488999" data-attributes="member: 22989"><p>First, ditch the muffs and put it in a trash can. You’ll get a better idea of the condition of the water pump this way.</p><p></p><p>2nd, it sounds like it might only be running on one cylinder. You can pull one plug at a time to check for this.</p><p></p><p>I would do a impeller and carb clean/rebuild as a matter of course and work out the shifting issue while the lower unit is off. Probably just needs adjusting.</p></blockquote><p></p>
[QUOTE="RaisedByWolves, post: 488999, member: 22989"] First, ditch the muffs and put it in a trash can. You’ll get a better idea of the condition of the water pump this way. 2nd, it sounds like it might only be running on one cylinder. You can pull one plug at a time to check for this. I would do a impeller and carb clean/rebuild as a matter of course and work out the shifting issue while the lower unit is off. Probably just needs adjusting. [/QUOTE]
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'78 Johnson 15hp - troubleshooting
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