Mercruiser 4.3l TKS water drain plugs

bullbear1

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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?
 

Don S

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Re: Mercruiser 4.3l TKI water drain plugs

Re: Mercruiser 4.3l TKI water drain plugs

Do you have an engine serial number. Did you mean TKS instead of TKI ?

Might have a look at the bottom of the large hose coming out of the engine circulation pump.
 

bullbear1

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Re: Mercruiser 4.3l TKI water drain plugs

Re: Mercruiser 4.3l TKI water drain plugs

It actually is a 4.3 l model MCM. 2006 engine.
 

Don S

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Re: Mercruiser 4.3l TKI water drain plugs

Re: Mercruiser 4.3l TKI water drain plugs

Do you have an engine serial number.

The reason I ask for a serial number is because NOTHING Mercruiser does is by year. All by serial number. Parts are listed for 98 and newer. Then you have go by serial number range.
 

bullbear1

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Re: Mercruiser 4.3l TKI water drain plugs

Re: Mercruiser 4.3l TKI water drain plugs

thanks. The engine serial # is OW656481
 

Don S

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Re: Mercruiser 4.3l TKI water drain plugs

Re: Mercruiser 4.3l TKI water drain plugs

I was thinking you wanted to drain it, I see now you are just looking for where the plug goes.
Would have been easy just to start the engine on muffs and seen where the water was coming from.


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bullbear1

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Re: Mercruiser 4.3l TKI water drain plugs

Re: Mercruiser 4.3l TKI water drain plugs

thanks. That's what I need.
 

Pete104

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Re: Mercruiser 4.3l TKI water drain plugs

Re: Mercruiser 4.3l TKI water drain plugs

Don, can you please change titles on this thread? It goes from TKS on the opening question. Then, after your first post is TKI.
 
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