99 johnson 115 revs up and idles good but Boggs down under load

Gibsch1

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Joined
Jun 9, 2011
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1
I have new gas sea foam new plugs but under load boat Boggs down and will almost die and got hot the other day don't have a clue what to do guess I'm going to try a new power pack unless someone has some suggestions ? Thanks!
 

jay_merrill

Vice Admiral
Joined
Dec 5, 2007
Messages
5,653
Re: 99 johnson 115 revs up and idles good but Boggs down under load

Probably have one or more cylinders not firing or not getting fuel. Hopefully you didn't blow a cylinder during the overheat. The first thing I would do, is a compression check.
 

smperformance

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Joined
Jun 15, 2011
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2
Re: 99 johnson 115 revs up and idles good but Boggs down under load

Check the plugs to see if there are traces of water. Sounds like head gasket.
 
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