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H2OSKEE
05-23-2007, 04:17 PM
Help! I just finished de-winterizing my 93 Prostar 190 for the first time (for me) and I have a 1/8" pipe thread plug left over that I can't find a place for. Brass with the same black paint that is on the engine and transmission. Any ideas? Thanks.

milkmania
05-23-2007, 04:22 PM
Help! I just finished de-winterizing my 93 Prostar 190 for the first time (for me) and I have a 1/8" pipe thread plug left over that I can't find a place for. Brass with the same black paint that is on the engine and transmission. Any ideas? Thanks.

1/8 inch brass plug?

dang, you got me!:(

Kyle's_prostar205
05-23-2007, 04:26 PM
Can you get a picture for us? Does it have a bolt head on it? My guess might be that it is off of the impeller housing. Just a guess.

milkmania
05-23-2007, 04:27 PM
does your PS190 have a shower?

rodltg2
05-23-2007, 04:29 PM
1/8" seems small for drain plug

Workin' 4 Toys
05-23-2007, 04:32 PM
Temp sensor plug?

east tx skier
05-23-2007, 04:46 PM
The engine drains are each 1/4". The manifold drains are 3/4". What about the muffler? I think some older ones had drains, but I've never unplugged mine if they do. Transmission cooler? Again, I just pull the hoses, but I've heard of drains on them before.

Other option is to just run it and open the box and look for water shooting out. :o

milkmania
05-23-2007, 04:54 PM
Other option is to just run it and open the box and look for water shooting out. :o


isn't that sentence FAQ worthy:confused:



:purplaugh

east tx skier
05-23-2007, 05:16 PM
isn't that sentence FAQ worthy:confused:



:purplaugh

Look for it under, I think I may have a leak. How can I tell if I do for sure?

H2OSKEE
05-23-2007, 05:54 PM
It does have a bolt head. I have thought about all these suggestions and looked and felt all over the impeller housing, engine and transmission with no luck. And I distinctly remember hunting forever last fall for those illusive silent master muffler drains and never finding any! I was hoping to find the spot BEFORE starting it up and watching for spray (the best place for spray is about 50 feet behind the boat and off to the side, right?)

Doug G
05-23-2007, 06:02 PM
And cross-filed under .. If it's not your boat and you want to help ...

A pic would be berry berry hepfull H20

Laurel_Lake_Skier
05-23-2007, 06:10 PM
And I distinctly remember hunting forever last fall for those illusive silent master muffler drains and never finding any! The piece you talk about does not sound like the muffler drain. The drain on my SilentMaster (it is a '91) is a plastic part that threads into the underside of the muffler just about in the center.

Kyle's_prostar205
05-23-2007, 06:17 PM
I agree with Doug...Pictures are VERY helpful in these situations!

H2OSKEE
05-23-2007, 06:28 PM
Here are the pictures.

Kyle's_prostar205
05-23-2007, 06:30 PM
Hmmm... I can't really tell where it may be from. Thanks for adding the pictures though!

Laurel_Lake_Skier
05-23-2007, 06:31 PM
Looks like a drain plug for the cylinder heads.

Doug G
05-23-2007, 06:38 PM
Zoom ... sorry for the blur, best I can do with it.

Did you say you checked both sides of the engine?

H2OSKEE
05-23-2007, 06:52 PM
I checked both sides and those 1/4" drain plugs are back where they belong.

rodltg2
05-23-2007, 06:56 PM
this may be a stupid question, but are you sure that you removed that bolt from the motor???? could be to somehting else??

Doug G
05-23-2007, 06:56 PM
Where did you find it? Was it something you removed or did you find it floating around ?

tex
05-23-2007, 06:57 PM
flux capacitor?

H2OSKEE
05-23-2007, 07:07 PM
Good question. I thought that might be the case, and it might be, but I put all those drain plugs and the 4 bolts the connect the prop shaft to the transmission is a small tin can that stayed in the boat over the winter, so I THINK it might belong in there somewhere, but.....

TMCNo1
05-23-2007, 07:12 PM
While you were dewinterizing, did it happen to fall out of one of your ears?

WTRSK1R
05-23-2007, 07:26 PM
I recognize that! It is from the transmission cooler. Look under the cooler near the rear hose. You will find the matching hole for that plug.

Steve

LakePirate
05-23-2007, 07:37 PM
Check the muffler bearing housing.

Slinkyredfoot
05-23-2007, 07:41 PM
Check the muffler bearing housing.

Or maybe the knueter back plate overflow plug..

Laurel_Lake_Skier
05-23-2007, 07:44 PM
I'm familiar with the knueter valve but have not heard of the backing plate before this:D

H2OSKEE
05-23-2007, 07:47 PM
WTRSK1R, I owe you one. You are right on, and you made my day. This forum rocks, a big thanks to all; even the humor was helpful!

TMCNo1
05-23-2007, 08:04 PM
If you couldn't find where it went, I was gonna tell ya to keep it with the other nut behind the steering wheel!

Slinkyredfoot
05-23-2007, 08:22 PM
If you couldn't find where it went, I was gonna tell ya to keep it with the other nut behind the steering wheel!

You do this too Harold?? 2 2 cool

east tx skier
05-24-2007, 10:08 AM
WTRSK1R, I owe you one. You are right on, and you made my day. This forum rocks, a big thanks to all; even the humor was helpful!

Hey! I said transmission cooler over two hours before he did. 8p

The engine drains are each 1/4". The manifold drains are 3/4". What about the muffler? I think some older ones had drains, but I've never unplugged mine if they do. Transmission cooler? Again, I just pull the hoses, but I've heard of drains on them before.

Other option is to just run it and open the box and look for water shooting out. :o

TMCNo1
05-24-2007, 10:39 AM
Hey! I said transmission cooler over two hours before he did. 8p


East Texas Skier wins by 2 hours and 40 minutes and wins a trip to CSM '08, according our independent accounting firm, Didhe, Tellum and Whenn, LLC and the decision of the judges is final, unless otherwise noted!:rolleyes:

H2OSKEE
05-24-2007, 05:36 PM
no fighting please--go skiing instead