Re: Mercury overheating


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Posted by JMWypior (65.2.86.122) on October 01, 2004 at 19:34:21:

In Reply to: Mercury overheating posted by Joe on September 08, 2004 at 21:59:17:

I had similar occurence with 85 hp Force. Went with all the thermostat and pump impeler replacment. Did not work. Turned out that build-up of the mineral deposit in the water cooling space was such that prevented proper heat thansfer. It was a nasty job. All wals in water shell need to be cleaned mechanically with some mild acid perhaps. I used gune bristle and bristle for cupper pipes and liquid used for removal of the calcium. That requires lifting cyl head and cover to water system But it did work.


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