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I have a 70 hp Johnson outboard that revs up just fine, but when I engage the drive, 18000 rps is all I can get out of it before the motor dies. I just had a busted piston ring replaced and a new head gasket. Can some help?

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If you have paid someone to do the work, take it back.
If the motor was cleaned during repair the fuel pump may be bad from the solvent. If it was just a case of low rpm it could be timing or adjustments, but to kill the engine sounds like fuel starvation or water in the head from a leaking head gasket. Check your sparkplugs and see if they look normal.

Posted on Jul 21, 2009

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Posted on Jan 02, 2017

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