Crack in Carb

Discussion in 'Motorized Bicycle General Discussion' started by MarcPhotoMan, Jun 27, 2008.

  1. MarcPhotoMan

    MarcPhotoMan New Member

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    Can i use the bike with this crack?
    The Engine is stalling when idling, otherwise it drives ok.
     

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  2. RedB66

    RedB66 New Member

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    I say "If it runs and you need it......Ride it!!". I would look into replacing that part though.
     
  3. MarcPhotoMan

    MarcPhotoMan New Member

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    yea but it this a source of a vapor leak?
     
  4. deacon

    deacon minor bike philosopher

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    I have just one thing to say young man..... JB weld
     
  5. Bikeguy Joe

    Bikeguy Joe Godfather of Motorized Bicycles

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    Yes, JB Weld, RTV sealer or even some Seal-All to fix that for now....yeah, that's your air leak.
     
  6. MarcPhotoMan

    MarcPhotoMan New Member

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    Well I am not using it today, I am already at work.
    I will try to seal it up this weekend how long will JB weld hold?
    I geuss I need a new carb. question of who to order from?
     
    #6 MarcPhotoMan, Jun 27, 2008
    Last edited: Jun 27, 2008
  7. jasonh

    jasonh New Member

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    I'll third the JB Weld suggestion.

    If the surface is nice and clean, the JB Weld should last quite some time.

    You can get a new carb for $22 from Dax. Honestly though I'd look into finding a better carb for replacement....

    ENGINE_KIT_PARTS_PAGE_2
     
  8. MarcPhotoMan

    MarcPhotoMan New Member

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    I better one did comes to mind but Who, what, and were:D
     
  9. MrLarkins

    MrLarkins HS Math Teacher

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    jb weld will hold FOREVER! that is your best bet...I've already used some of that on my clutch pin cover. it gets lots of vibration and heat, and is solid as a rock!
     
  10. MarcPhotoMan

    MarcPhotoMan New Member

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    Forever is long time, not a big fan of vapour leaks!(^)
     
  11. MarcPhotoMan

    MarcPhotoMan New Member

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    Does Permatex Cold Weld Work as well as Jb weld?
     
  12. deacon

    deacon minor bike philosopher

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    once it cures, over night, you will need a saw to cut it off. I wouldn't even bother with a new carb personally.
     
  13. Norman

    Norman LORD VADER Moderator
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    quick set 5-minute JB weld will work no need to replace the carb. I've did some heavy mods to the intakes of Briggs and inside of 2-strokes to blend the intake ports etc. with the quick set, inside of the intake and right under the intake valve never came lose I took a grinder to it to take it out along with a propane torch the stuff is good for about 400 degrees. the carb would have to be on fire for the JB to fail. clean the area with a dremel tool sanding drum to get the metal bright shiny and clean plus a little textured for the epoxy to grab on to.
     
  14. Bikeguy Joe

    Bikeguy Joe Godfather of Motorized Bicycles

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    Don't forget to clean the whole works with denatured alcohol or acetone after you rough it up, before you put the JB on.
     
  15. MarcPhotoMan

    MarcPhotoMan New Member

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    Ok so as many of you know I have been chasing a very small vapor leak. After sealing up the cracks in my carb, which i could only find via my digital camera and photoshop and lot of evidence that someone tryed to fix it before i even owned it.


    Just venting a little


    Any way I think it's fixed thanks to JB Weld.

    but now it is Idling high, I have to screw the idle screw all the way in the idle become lower, when i let the screw out the idle is higher.

    I am 100 feet above sea level and it is on the needle second from the top.

    Yes i did test with wd40 and it does not stall,(^)

    Just one question when you say bog down you mean the idle would change and almost stall?:confused:
     

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  16. Bikeguy Joe

    Bikeguy Joe Godfather of Motorized Bicycles

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    yes......that is correct.
     

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