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I somehow lost my previous post so I am reposting. I have a 4.3l I/O Mercruizer engine serial #OW656481 built in 2006. When draining water from the engine to winterize, is it suffucient to remove the 5 blue drain plugs or are there also other sites that need to be drained?
Thanks
When winterizing my Mercruizer 4.3l engine, is it sufficient to only remove the 5 blue drain plugs or are there additional areas that need to be drained?
I have found where 4 of the 5 blue water drain plugs are located. I can't find the fifth. Does anyone have a diagram showing where the 5 drain plugs are located?