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#1911058 - 01/24/08 01:11 PM How to check boat transom?
jcmiles Offline
Outdoorsman

Registered: 10/11/07
Posts: 127
Loc: Graham
Can anyone explain how to check out the transom on a boat? I don't know much about mechanics so a simple answer (if there is one :)- would be greatly appreciated. Thanks in advance...JC
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Justin C.

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#1911229 - 01/24/08 01:48 PM Re: How to check boat transom? [Re: jcmiles]
steve@scp Offline
TFF Celebrity

Registered: 08/25/06
Posts: 6245
Loc: Quitman,Tx
push down on the cavitation plate and look for stress cracks, or excessive movement!

be sure to remove the transom saver. wink

i've known of guys that will stand on the cavitation plate and bounce the engine. if you do that remove the prop, so that when you fall off you won't cut your foot on the prop. (seen that done)

other than that, i'd wait on Micheal Bristow from North Texas Fiberglass to chine in and give his opinion. He's the best glass guy around.

course you could just take the boat to him and he'll inspect it for free!!!
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#1911283 - 01/24/08 02:01 PM Re: How to check boat transom? [Re: steve@scp]
jcmiles Offline
Outdoorsman

Registered: 10/11/07
Posts: 127
Loc: Graham
Thanks Steve...
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Justin C.

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#1911292 - 01/24/08 02:03 PM Re: How to check boat transom? [Re: jcmiles]
jcmiles Offline
Outdoorsman

Registered: 10/11/07
Posts: 127
Loc: Graham
I'm guessing that boats with large motors are more prone to have transom problems?
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Justin C.

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#1911351 - 01/24/08 02:17 PM Re: How to check boat transom? [Re: jcmiles]
Mike Halfmann the boatmann Offline
TFF Team Angler

Registered: 11/08/05
Posts: 4061
Loc: San Marcos, Texas
No, not really. What we find most of the time is the guy that installed the engine did a poor job sealing the bolts. Also a lot of boats use a metal cap over the transum and with age, it starts leaking and the end result is a water logged/rotten transum. Take the handle of a screwdriver and tap on the transum. If you hear a sharp tap, that usually means the transum is good. If you hear a dull thud, The transum has separated from the outside hull, is probably water logged, and is on the down hill side. By all means, get down on your back and look under the hull. Look for bubbles in the gelcoat, scars with fiberglass hanging out, spider web cracks, and long gelcoat cracks. Each item mentioned, will tell you something different about the hull. For example, spider web crack = a small high impact that could have destroyed the matrics of the fiberglass in that area which results in a "soft" spot, possible for a hole to develope in the future. Or bubbles in the gelcoat = water in the matrics of the fiberglass = bad structure.
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#1911390 - 01/24/08 02:25 PM Re: How to check boat transom? [Re: Mike Halfmann the boatmann]
Michael Bristow Offline
TFF Guru

Registered: 05/30/03
Posts: 12271
Loc: Denton, Tx, USA
Couldn't have said it any better than Steve or Mike!
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#1911972 - 01/24/08 05:02 PM Re: How to check boat transom? [Re: Michael Bristow]
garnerac Offline
Pro Angler

Registered: 03/11/03
Posts: 866
Loc: Kyle, TX
I found a bad one once by trimming the motor with the transom saver ON. It "twists" or stesses the transon where you can see any possible movement around the motor mount.
I did this once on a guys driveway and water oozed out of around the motor mount. I dont think the guy selling the boat really knew he had a problem, but I politely told him "no thanks"
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#1912387 - 01/24/08 06:55 PM Re: How to check boat transom? [Re: garnerac]
jcmiles Offline
Outdoorsman

Registered: 10/11/07
Posts: 127
Loc: Graham
Dang... thanks guys that helps out alot smile



Edited by jcmiles (01/24/08 06:56 PM)
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Justin C.

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#1913411 - 01/25/08 06:54 AM Re: How to check boat transom? [Re: jcmiles]
kmoran Offline
Angler

Registered: 07/24/07
Posts: 368
Loc: Fort worth, Texas
man the screwdriver test is one i didnt think about. makes alot sense now that i think about it.


if the transom is bad and separated, what can be done to fix the problem?


Edited by kmoran (01/25/08 06:57 AM)
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#1913684 - 01/25/08 07:56 AM Re: How to check boat transom? [Re: kmoran]
texasbass1 Offline
TFF Team Angler

Registered: 02/12/05
Posts: 4115
Loc: The Colony, TX
Have the transom replaced.
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#1914015 - 01/25/08 09:14 AM Re: How to check boat transom? [Re: texasbass1]
Mike Halfmann the boatmann Offline
TFF Team Angler

Registered: 11/08/05
Posts: 4061
Loc: San Marcos, Texas
Transom replacement is the only correct cure. I've seen guys put aluminum or steel plates on the transom and remount the engine, but, that's like putting a bandaid on cancer. And there again, does the expense of a new transom increase the value of the boat---no. It only maintains the value.
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mike halfmann

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#1914167 - 01/25/08 10:06 AM Re: How to check boat transom? [Re: Mike Halfmann the boatmann]
jtexas Offline
TFF Team Angler

Registered: 12/15/03
Posts: 3153
Loc: Arlington, TX
if you see any rust around the drain flanges (don't forget the splashwell drain), its a sure sign water has got underneath it.

rot is a bacteria, once it gets started you have to kill it all or it continues to spread. there are commercial products for that & I've heard of people using bleach or glycol.

here's some stuff for treating rot, looks promising. I haven't tried it but bookmarked the link just in case.....
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