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Thread: broken y pipe exhaust bolt

  1. #1
    Super Moderator super1c's Avatar
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    Default broken y pipe exhaust bolt

    Trying to get y pipe off exhaust and the nuts are rusted bad. I just snapped off a stud. Its not flush with jug so i can get vice grips on it. What are my options for fix. Does that stud come out? Any help on this one would be great. Chris
    02 Yamaha SXViper - daughters
    E - start, reverse, otherwise stock and lots of pink!

    02 Yamaha SXViper - wife's
    E - Start, reverse, Ohlin in the rear, Extended to 144", cobra track!

    04 Yamaha SXViper S - mine
    E -Start, reverse, Ohlins all the way around, Extended to 144", cobra track!

    THE VIPER PIT IS NEVER COMPLETE!

  2. #2
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    Use heat and the vise grips and it should come right out.

  3. #3
    Triple Piped 700 Triple Sxr700Bandit's Avatar
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    Spray the stud with penetrating oil and give it time to soak.
    If worse comes to worse you will have to drill it out and chase the threads and re-install a new stud.
    As good as any, BETTER than many.

  4. #4
    Super Moderator super1c's Avatar
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    This is good to hear. So which way will the stud back out? Left to loosen or reverse thread right to loosen? Thanks again guys. Chris
    02 Yamaha SXViper - daughters
    E - start, reverse, otherwise stock and lots of pink!

    02 Yamaha SXViper - wife's
    E - Start, reverse, Ohlin in the rear, Extended to 144", cobra track!

    04 Yamaha SXViper S - mine
    E -Start, reverse, Ohlins all the way around, Extended to 144", cobra track!

    THE VIPER PIT IS NEVER COMPLETE!

  5. #5
    VIP Member stein700sx's Avatar
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    Lefty loosey ,,righty tighty
    Smart enuf to know that I'm not SMRT enuf to know

    Sleds
    1997 Vmax 700 SX Sold
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    2002 Viper ER Sold
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    Viper/Apex handle bars mod http://www.totallyamaha.net/forums/showthread.php?t=78800

  6. #6
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    My experience is to repeatedly heat the stud, then spray it with a penetrating oil. I do this several times allowing the oil to penetrate for 10 min. in between heat cycles. Patience and repeated heat-oil cycles are your friends!!!!

    This should work but if it does not, the next method I would recommend is to take the cylinder off the engine so you can get full access to the broken stud with a drill. Carefully center punch the center of teh stud, drill it for an easy-out then use the easy-out while using teh heat-oil process.

    If the above does not work, then you will have th drill out the stud and retap the hole. We I have had to restort to this process, I use left-hand twist drill bits. Move up 1 drill size at a time. This process requires you to drill on the CENTER of the stud, if not you will damage the the threads in the cylinder. I use left hand drills since I have found when the broken studs/bolts will spin out freely once I have drilled it close to the stud diameter.

    If you want, for no charge other than the cost of return shipping, you can send me the cylinder and I will remove the broken stud.
    Think Snow!!!

    2000 SRX, The BEST sled Yamaha EVER built!!!!

  7. #7
    Triple Piped 700 Triple Sxr700Bandit's Avatar
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    Quote Originally Posted by stein700sx
    Lefty loosey ,,righty tighty
    X2. The stud is just like a bolt only threaded on both ends. When you are ready to install the new stud use a double nut and thighten into place.DO NOT USE VISE GRIPS TO INSTALL THE NEW STUD - bevause your fellow TYers won't let you be a HACK....
    As good as any, BETTER than many.

  8. #8
    Super Moderator super1c's Avatar
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    Thanks guys, have to work a long weekend so i wont get at it now till next week so i will be spraying it down daily with pb blaster maybe a little heat as time alows. Then will start from there. If i cant get it out i will take you up on your offer rx1jim for sure. This is on my daughters project viper and some of the rust is starting to get the best of us. But it will not defeat us! Thanks for the quick reply's, will post back with results. Chris
    02 Yamaha SXViper - daughters
    E - start, reverse, otherwise stock and lots of pink!

    02 Yamaha SXViper - wife's
    E - Start, reverse, Ohlin in the rear, Extended to 144", cobra track!

    04 Yamaha SXViper S - mine
    E -Start, reverse, Ohlins all the way around, Extended to 144", cobra track!

    THE VIPER PIT IS NEVER COMPLETE!

  9. #9
    Junior Member Mini
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    the best method i have found is to first weld a washer to the stud then weld a nut to the washer and out it comes. this year i found a broken cylinder stud, got it out without removing the cylinder using thr welder trick.

  10. #10
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    OK, just let me know, I will gladly help you.
    Think Snow!!!

    2000 SRX, The BEST sled Yamaha EVER built!!!!

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