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BS 38 Carb Diaphragm Replacements

Discussion in 'The Garage' started by bluebikerblan, Mar 22, 2010.

  1. 5twins - I've got a 79 with BS38. Thanks for the confirmation.

    Jon
     
  2. dwaynemcfarlane

    dwaynemcfarlane XS650 Enthusiast

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    Hey Guys!
    I need instructions on how to change the diaphragm on my mikuni bs38. Ive been searching the internet but i cant find anything on the bs38.
    Sincerly
    D
     
    Jim likes this.
  3. jetmechmarty

    jetmechmarty What should I put here? XS650.com Supporter Top Contributor

    Here you go!
    http://jbmindustries.com/yamaha650.html
     
    gggGary and Jim like this.
  4. GLJ

    GLJ Never go faster than your guardian angle can fly. Top Contributor

    gggGary likes this.
  5. 5twins

    5twins XS650 Guru Top Contributor

    19,996
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    But be aware, those slides are only for the '77 and older BS38's. '78-'79 slides are different.
     
    GLJ likes this.
  6. azman857

    azman857 '80 XS 650SG Rider XS650.com Supporter Top Contributor

    I just ordered 6 JBM M-73's for my '80 SG and for the BS34's for my '82 750 GPz Kawasaki. Got the slides al ready for them.
     
    gggGary and jetmechmarty like this.
  7. dwaynemcfarlane

    dwaynemcfarlane XS650 Enthusiast

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    Yeah ive been on that link but i dont understand if i need any new retaining washers on the new diaphragm? I dont feel comfortable just using super glue...
    D
     
    Last edited: Sep 11, 2020
  8. TwoManyXS1Bs

    TwoManyXS1Bs BBQ Hunter Top Contributor

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