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Head Gasket for 25hp Johnson
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<blockquote data-quote="Pappy" data-source="post: 347432" data-attributes="member: 3278"><p>Everything above is pretty much spot on. The only thing I can add is that you need to check your water diverters in the block before putting it back together. If they are distorted and pushed over from any kind of previous overheat then you will probably overheat again or have an engine that is running well above designed limits. Pretty much anytime you have to replace a head gasket always replace these as well. These create proper water flow and cooling around your cylinders. You should see an obvious air gap around both diverters. If not....replace.</p></blockquote><p></p>
[QUOTE="Pappy, post: 347432, member: 3278"] Everything above is pretty much spot on. The only thing I can add is that you need to check your water diverters in the block before putting it back together. If they are distorted and pushed over from any kind of previous overheat then you will probably overheat again or have an engine that is running well above designed limits. Pretty much anytime you have to replace a head gasket always replace these as well. These create proper water flow and cooling around your cylinders. You should see an obvious air gap around both diverters. If not....replace. [/QUOTE]
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Head Gasket for 25hp Johnson
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