360 swim platform support broke free

echandler1971echandler1971 Member Posts: 248 ✭✭✭
in General Boating Discussions
When I went on the hard, I saw this beauty. Obviously the bolts rusted off. My question is, what should I do to reattach? Whatever I do, I’ll match the other side that will likely have the same problem. I’m more wondering about through-hull or lags short of through hull. If the latter, how long a screw is that?
Dan of Steel
'05 Rinker 360 Fiesta Vee
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Comments

  • captkevincaptkevin Member Posts: 617 ✭✭✭
    That don't seem right
    2004 232
    2021 Yamaha Fx svho
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  • YYZRCYYZRC Member Posts: 5,585 ✭✭✭✭✭
    Same situation on my 390. I removed the screws, drilled out, replaced with bolts. 
    2006 390 EC
    2008 350 EC
    Georgian Bay
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  • Pat310Pat310 Member Posts: 608 ✭✭✭
    captkevin said:
    That don't seem right
    Google stainless screws crevice corrosion.  Had it happen on one of my trim tabs
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  • echandler1971echandler1971 Member Posts: 248 ✭✭✭
    YYZRC said:
    Same situation on my 390. I removed the screws, drilled out, replaced with bolts. 
    Being below the waterline, how do you bolt through and not leak? This would be my first such below the waterline attempt like that.
    Dan of Steel
    '05 Rinker 360 Fiesta Vee
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  • aero3113aero3113 Member Posts: 10,084 ✭✭✭✭✭
    @echandler1971 you can always drill out the screws and holes to a larger size. Don’t drill all the way through and use larger screws.
    2008 330EC
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  • aero3113aero3113 Member Posts: 10,084 ✭✭✭✭✭
    Or try reverse drill bits and they should back right out. Easy outs also.
    2008 330EC
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  • LaReaLaRea Member, Moderator Posts: 8,082 mod
    edited November 11
    Instead of thru-bolts, would it be safer to drill three new screw holes 1/4" above the originals?  [edit: or 1/4" to the side]
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  • YYZRCYYZRC Member Posts: 5,585 ✭✭✭✭✭
    edited November 11
    echandler1971 said:
    YYZRC said:
    Same situation on my 390. I removed the screws, drilled out, replaced with bolts. 
    Being below the waterline, how do you bolt through and not leak? This would be my first such below the waterline attempt like that.
    Same as screws - seal with 4200 or similar. 


    2006 390 EC
    2008 350 EC
    Georgian Bay
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  • Dream_InnDream_Inn Member, Moderator Posts: 7,979 mod
    Yeah, if you're going thru the trouble, I'd do like pics above and just put bolts all the way thru and definitely use 4200.

    Dream 'Inn III -- 2008 400 Express

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  • echandler1971echandler1971 Member Posts: 248 ✭✭✭
    Thank you for the advice. I’ll do what’s pictured. 
    Dan of Steel
    '05 Rinker 360 Fiesta Vee
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  • PickleRickPickleRick Member Posts: 4,406 ✭✭✭✭✭
    Assuming the wood is in good shape in the transom i like to drill the hole out with a 1/2 inch drill bit. 

    Coat the inside of the transom with 2 part epoxy. Usually with q tips.  Tape over the inside of the hole. Before it fully dries mix up some thickened epoxy about the consistency of peanut butter and inject it in with a large syringe. Double check your inner hole is flush and toss some more tape on the outside making sure shes good and flush with the outside of the hole too.  

    Let it cure. Now drill the hole for your 1/4" screws through the center of your epoxy.   Clean, add your 4200.  

    If the sealer ever leaks your transom stays tight and dry. 

    Same for trim tabs or anything drilled through wood core. A dry core is a long lasting core. 


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  • PickleRickPickleRick Member Posts: 4,406 ✭✭✭✭✭
    edited 2:36PM
    I said 1/2" for some reason.  I meant to say 3/8"  the only ones that get a 1/2" when i rebed my transom were the u bolts for the trailer tie downs that you probably dont have on the not so trailer able 360
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  • YYZRCYYZRC Member Posts: 5,585 ✭✭✭✭✭
    My 390 has U bolts!
    2006 390 EC
    2008 350 EC
    Georgian Bay
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