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Thread: Midwall Removal

  1. #1
    JFizzleJR's Avatar
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    Midwall Removal

    What's the reason for lighting the midwall on fire rather than removal by sawzall?

    Does any piece of it have to be kept for the conversion?


  2. #2
    EZ Dock of Long Island Shibby1485's Avatar
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    it's epoxied all over... sawzall will kinda marrr up the hull a bit, no?

    some people are keeping part of the mid-wall to make the bearing housing mount and seal... some are making a bracket.

    look at pics of the driveshafts mark has posted, u'll see the part of the mid-wall that's been re-used..

    check the how -to and FAQ, it's got all the info

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    ISLAND RACING seadoo951's Avatar
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    I removed my midwall with a 3" grinder. Here is what i did... First I cut all along the bottom where the flat part is that meets with the hull (under the bearing support) and I cut straight up the wall and just followed the outside of the Intermediate bearing mount so I could re-use it. Then I did the same for the two side pieces. You might have a problem getting the grinder under those tabs that secure it to the hull as I did, but I just cut allond the bottom as much as possible, and whacked it with a hammer once and it came right off. After that, sand any raised edges flat and it looks great! BTW- This took me all of 10 min.
    Quote Originally Posted by JFizzleJR View Post
    What's the reason for lighting the midwall on fire rather than removal by sawzall?
    Quote Originally Posted by JFizzleJR View Post


    Does any piece of it have to be kept for the conversion?

  4. #4
    JFizzleJR's Avatar
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    I figured it was because of the epoxy. Thanks guys for confirming my thoughts and for the advice as well!

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    FIRE= fastest way to remove it
    FIRE = cleanest final product
    FIRE = Because its just cool it's FIRE

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    JFizzleJR's Avatar
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    what are you guys using to light it on fire? propane, acetylene..??

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    ISLAND RACING seadoo951's Avatar
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    A "Benzomatic" type propane torch will do just fine.
    Quote Originally Posted by JFizzleJR View Post
    what are you guys using to light it on fire? propane, acetylene..??

  8. #8
    Moderator RX951's Avatar
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    Quote Originally Posted by seadoo951 View Post
    I removed my midwall with a 3" grinder. Here is what i did... First I cut all along the bottom where the flat part is that meets with the hull (under the bearing support) and I cut straight up the wall and just followed the outside of the Intermediate bearing mount so I could re-use it. Then I did the same for the two side pieces. You might have a problem getting the grinder under those tabs that secure it to the hull as I did, but I just cut allond the bottom as much as possible, and whacked it with a hammer once and it came right off. After that, sand any raised edges flat and it looks great! BTW- This took me all of 10 min.
    I will be doing this method as it is safer and does not produce any toxic fumes.
    Just like how I remove pump shoe inserts, NO HEAT !

    .02

    Thanks for Sharing Seadoo 951

  9. #9
    ISLAND RACING seadoo951's Avatar
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    Glad I could help! Just make sure to have a shop vac really close to the grinder or else you and your entire hull will be white with dust. Wear a mask too as this stuff is really hard on the nose!
    Quote Originally Posted by RX951 View Post
    I will be doing this method as it is safer and does not produce any toxic fumes. Just like how I remove pump shoe inserts, NO HEAT !
    Quote Originally Posted by RX951 View Post
    .02
    Thanks for Sharing Seadoo 951

  10. #10
    JFizzleJR's Avatar
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    A hammer and chizel works too if you want to go the healthy way. I found out a heat gun helps as well.
    The triangle piece of the wall that's used with the driveshaft; would it be better to leave it attached to the hull, or remove the entire wall and then cut out the triangle?
    There's the triangle and then there's 1+ inches under it attaching it to the hull. I wish I had a picture. I know everyone else has cut there's completely out, but just because it hasn't been done before doesn't mean something different couldn't be beneficial.
    With my lack of insight it would be my guess there's some simple answer like the engine doesn't fit with the little piece of midwall there and I'm wasting my time typing

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