What is this part? Where does it go?

petedw

Cadet
Joined
Jul 24, 2009
Messages
19
I removed the lower unit to replace the impeller and this fell out. I cannot figure out where it goes. What is it.jpg
 

Don S

Honorary Moderator Emeritus
Joined
Aug 31, 2004
Messages
62,321
Re: What is this part? Where does it go?

Part of one of your exhaust shutters (aka flappers).
 

petedw

Cadet
Joined
Jul 24, 2009
Messages
19
Re: What is this part? Where does it go?

Do I need to put it back in somehow? Is it broken?
 

stonyloam

Vice Admiral
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Mar 13, 2009
Messages
5,827
Re: What is this part? Where does it go?

You need to replace it with a new one.
 

achris

More fish than mountain goat
Joined
May 19, 2004
Messages
27,468
Re: What is this part? Where does it go?

What engine, what year?
 

petedw

Cadet
Joined
Jul 24, 2009
Messages
19
Re: What is this part? Where does it go?

It's a 1990 mercruiser 140 with alpha one outdrive.
 

achris

More fish than mountain goat
Joined
May 19, 2004
Messages
27,468
Re: What is this part? Where does it go?

Pull the exhaust elbow off and look down the exhaust pipe. The shutter belongs in there... Like this....

attachment.php
 

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