There are 6 that i remove before winter each year.
How many drain plugs mercruiser 5 7.
In il i used to do a full winterization but with the shorter milder winters here in nc this is pretty much all i do.
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This has been keeping me up at night so i m hoping somebody here can shed some light.
I removed the drain plugs from both exhaust manifolds from each side of the block.
For stern drive and inboard engines such as mercruiser models the drain plugs are either brass or plastic.
Make sure that when you remove the drain plug that the water drains and that the passage is not plugged with rust.
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On holiday had asked me some time ago for pics of where my drain plugs are in my 2000 mercruiser 5 7l engine in my cobalt 206.