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Carburtor for XJ900F

Discussion in 'XJ Technical Chat' started by 5apper, Nov 5, 2014.

  1. 5apper

    5apper New Member

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    Hello from UK... my carburettors are truly knackered and need replacing. However I am having difficulties sourcing a used set. Is there say another set of carbs that will fit onto my engine? my engine number starts with 58L I'm not sure of the year as it sits in a 1956 Trike. Just wondering if a set of XJ650s will fit or even a set of divi ones?

    Any help appreciated.

    Chris
     
    5apper, Nov 5, 2014
    #1
  2. Finn

    Finn New Member

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    Finn, Nov 6, 2014
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  3. hogfiddles

    hogfiddles XJ-Wizard, Host-Central NY Carb Clinic Moderator Premium Member

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    click on the "xj4Ever" banner on the top right of the screen and ask Len Chacal. He'll tell you what will work, or what he has available.

    dave
     
    hogfiddles, Nov 7, 2014
    #3
    Stumplifter likes this.
  4. Bigshankhank

    Bigshankhank Active Member

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    Its a shame really, that he will only tell him one or the other, but not both.
     
    Bigshankhank, Nov 7, 2014
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    elliott likes this.
  5. hogfiddles

    hogfiddles XJ-Wizard, Host-Central NY Carb Clinic Moderator Premium Member

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    Ask reeeaaaaallly nicely, and he might------ lol
     
    hogfiddles, Nov 7, 2014
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  6. cds1984

    cds1984 Well-Known Member

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    853CC (31a, 33F) uses Mikuni BS35
    893CC (58L, ) uses Mikuni BS36
     
    cds1984, Nov 21, 2014
    #6
  7. chacal

    chacal Moderator Moderator Supporting Vendor Premium Member

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    CDS1984 is correct. The BS35 and BS36 carbs are ALMOST identical, but differ in their throat size (that's what the "35" and "36" refer to, after all) and their internal jetting and needles, etc. They will physically interchange with each other, but I'm not sure how well they would perform.....probably not well at all. The 900 Diversion carbs? I'm not familiar with them, so I cannot give any guidance.
     
    chacal, Nov 21, 2014
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  8. cds1984

    cds1984 Well-Known Member

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    I put the BS36 carbs (from a fj1100) onto my 33F with the jets from the BS35 in it... didn't work out, lots and lots of flooding and fouled plugs!
    Put the BS35s back in with the same jets and I'm still riding it!
    Makes MUCHO difference thats for sure.
     
    cds1984, Nov 21, 2014
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