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Carbs, carbs, carbs

Discussion in 'The Garage' started by Bstryker, May 6, 2018.

  1. weekendrider

    weekendrider Iron Horse cowboy

    S.W. MO
  2. gggGary

    gggGary Horsepower; just noise 'til the tire hooks up.

  3. grizld1

    grizld1 Grumpy old man

    Last edited: May 26, 2018
  4. well it seems a shame to scrap a perfectly good set of carbs for the want of a bit of ingenuity and application .

    if the carbs are going to be abandoned then you have nothing to lose by carefully centre drilling the mixture screw to a depth of about 3/16ths on a drill press until you can drive a thin flat blade screwdriver blade deep into the the mixture screw with a small pin hammer .The walls of the mixture screw will be so thin that now the screw should easily turn out leaving the threads intact.
    Last edited: May 25, 2018
    Superjet likes this.
  5. weekendrider

    weekendrider Iron Horse cowboy

    S.W. MO
    If you are careful you can drill out the head with a hand drill. Or at least I was successfully removed one from the carb body I traded JaxShane.
  6. Bstryker

    Bstryker XS650 Enthusiast

    Hey guys I finally figured out a way to get the screws out! Thanks for everyone's help.

    Attached Files:

    TwoManyXS1Bs and gggGary like this.
  7. 5twins

    5twins XS650 Guru

    Well good for you. A couple new mix screws and you'll be all set. Be aware that the remnants of the the little o-rings may still be mashed down into the bottom of the holes. Make sure you get them out before installing the new parts. The assembly sequence is spring, washer, o-ring. The washer keeps the spring from digging into the o-ring and destroying it .....


    If you try those 12R screws from Yamaha I linked to, please let us know if they are indeed a perfect replacement and match.
    gggGary likes this.
  8. B_Crabaugh

    B_Crabaugh XS650 Member

    Did anyone ever find out if those 12r screws will work?

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