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43 mercruiser 1990

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mistahays

Advanced Contributor
can you get a picture (i.e

can you get a picture (i.e. cell phone camera) and show us?

Bondo used to know where the PDF manuals were but not sure if they are still available. You may need to buy one.
 
"[b]"Does anyone have the

""Does anyone have the PDF, Service manual?"

Ayuh,....
8 threads below this 1 is the link,+ an explanation for the only online manuals that are still available......

"there is a hole in the back on the top of the engine, and I dont know what screw is to be replaced into it."

Ayuh,.... As Mistahays says,... A Picture would be Great.....
Barring that,...
A Much More Detailed explanation would help.....
That 1 is pretty vague...."
 
I have just bought a boat with

I have just bought a boat with a 4.3 ltr V6 Mercruiser and want to remove and check the manifolds and risers. Can anyone tell me if any type of gasket cement is supposed to be used on the new gaskets or do they just go on dry?
 
"Welcome John:

You'll g

"Welcome John:

You'll get more responses by starting a separate post and not tag to someone else's.

I put mine on dry but some use aircraft grade permatex that remains pliable. Use a torque wrench and new bolts, not necessary, but helps stop broken bolts. I also put a TINY amount of "never sieze" on the first 3 threads of each bolt to help w/future removal."
 
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