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  1. #1

    stx 15f NEED MAJOR HELP!!!!

    Hey guys

    Was out on the water on my stx15f and drove it and the engine just stops took it to shore it wouldn't crank, took it home, took the engine out and i see that piston number 4's connecting rod broken in half not a big deal! but then i found out it made a hole in this peice at the bottom forgot wat the part is called. anyways do you think its ok if i get this machined or do i need a new one? or is it possible to even leave it as is? If you can please let me know what i should do, or if anyone has this part and want to sell it to me!

    Thanks Azzo
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  2. #2
    The cases are line bored for the bearing journals so you'd likely need a set. I'd have it stop drilled, welded and machined myself at the very least. I definately wouldn't leave it as is. If I didn't have a big concern for money I'd get new cases.

    RT

  3. #3
    mclarenGP1200's Avatar
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    Quote Originally Posted by rotortiller View Post
    The cases are line bored for the bearing journals so you'd likely need a set. I'd have it stop drilled, welded and machined myself at the very least. I definately wouldn't leave it as is. If I didn't have a big concern for money I'd get new cases.

    RT

    would you know where it could be found??
    im azzo's buddy
    and what that part is called exactly
    thanks

  4. #4

  5. #5
    anyone out there that have it and want to sell it to me?

  6. #6

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    Do you have any idea why this rod broke, oil issues, what? Thought thy were rock solid engines.

  7. #7
    I have no clue i just had an oil change and i put ams oil too, when i was talking to a friend of mine he said that the connecting rod could of been weak it self but i have no clue!! I got to see if the machinest will be able to weld it for me, because theres no way i can afford a new one.

    Still looking for this peice if anyone has one, And advice to weld it?

    Thanks Azzo

  8. #8

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    Cut open the oil filter, I had 2 of them come apart in an old Pontiac engine years ago and spread plastic thru out, they were Lee's from the 60's. We cut aircraft filters all the time. Opening the filter may give you a clue as to what started it or just a lot of debris from thing coming apart.
    Since it was just after an oil change is it possible that something got dropped into the engine.

    I am thinking about buying a 15F is why I had the ?.

  9. #9
    mclarenGP1200's Avatar
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    Quote Originally Posted by rustydog001 View Post
    Cut open the oil filter, I had 2 of them come apart in an old Pontiac engine years ago and spread plastic thru out, they were Lee's from the 60's. We cut aircraft filters all the time. Opening the filter may give you a clue as to what started it or just a lot of debris from thing coming apart.
    Since it was just after an oil change is it possible that something got dropped into the engine.

    I am thinking about buying a 15F is why I had the ?.

    so in your opinion guys do ou think it can be welded and machined by a professional ???
    maybe that would be alot cheaper than buying one
    thanks guys

  10. #10
    407alfonso's Avatar
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    had a 12f do the same. yes you can weld it you just need someone good to refabricate the the oil pump seat when welding the hole is done . like I said I had the same and welded hole, cleaned up the area to accept the oil pump and I have had no issues.

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