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Thread: Bing Carb rebuild

  1. #1
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    Bing Carb rebuild

    Hi, I am rebuilding the Bings on my 1980 R100RT. All going well so far with the rebuild kit from Bing, then I found that on one carb that tiny hair spring clip that holds the float needle to the float frame is missing.
    I imagine that the float and needle were operating without it okay but I don't want to put it back like that.
    I cannot see it in any of the kits or Bing spares from the usual suspects!
    Does anybody know what kit I must buy to get one of these? shall I make one? Nooo
    Thanks and my very best to you all , Steve Ba-Heed.

  2. #2
    Registered User krpntr's Avatar
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    I never throw anything away. I have the little spring clip left from a previous refurbishment and you can have it. PM time.

  3. #3
    Registered User b25bsaboy's Avatar
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    Quote Originally Posted by ba-heed View Post
    Hi, I am rebuilding the Bings on my 1980 R100RT. All going well so far with the rebuild kit from Bing, then I found that on one carb that tiny hair spring clip that holds the float needle to the float frame is missing.
    I imagine that the float and needle were operating without it okay but I don't want to put it back like that.
    I cannot see it in any of the kits or Bing spares from the usual suspects!
    Does anybody know what kit I must buy to get one of these? shall I make one? Nooo
    Thanks and my very best to you all , Steve Ba-Heed.
    When I was rebuilding my 32mm Bings off a 1989 R100RT had the same thing happen by having the Lock Spring Bing (64-2 & 64-3) Bing Part # 47-968. Usually it is me that misplaces these things, but I have a feeling the PO is guilty of this one.

    Go to any BMW dealer and ask them to order you a BMW part # 13 111 335 320. My cost was about $2.56 each Canadian. Make sure you tell them what model and year so that you get the correct mm sized Bing Carb part. I am not sure if they are interchangeable between a 32mm verses a 40mm. I ordered two extra, due to my compulsive habit of making sure i have extra bits and pieces available.

    Good luck!
    Last edited by b25bsaboy; 03-07-2014 at 08:21 PM.
    Rick MacPherson
    Success is Not a Destination, But a Journey.
    Accredited Motorcycle Appraiser
    1968 BSA Starfire, 1976 BMW R75/6, 2009 R1200RT

  4. #4
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    bing carb rebuild

    Krpntr, I am going to send you a stamped addressed envelope and the cost of the part just for the provenance of the clip and to prove that you kept it for a reason.
    Please take pleasure in the fact that your clip will soon be back in a carburetor thumping its way through the Florida orange groves.
    If you would kindly Text your street address to to me at Steve Heaney Cell # (954) 648 0169 thanks so much , Steve the Heed
    B25 Thank you for those numbers best regards - Heed

  5. #5
    Registered User krpntr's Avatar
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    carb clip

    check your personal message folder.

  6. #6
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    Quote Originally Posted by ba-heed View Post
    Hi, I am rebuilding the Bings on my 1980 R100RT. All going well so far with the rebuild kit from Bing, then I found that on one carb that tiny hair spring clip that holds the float needle to the float frame is missing.
    I imagine that the float and needle were operating without it okay but I don't want to put it back like that.
    I cannot see it in any of the kits or Bing spares from the usual suspects!
    Does anybody know what kit I must buy to get one of these? shall I make one? Nooo
    Thanks and my very best to you all , Steve Ba-Heed.
    I'm getting ready to rebuild the carbs on my 1990 R100RT. The bike has set for 13 years. Not real sure where to start. One thing I know is the choke was set-up on both carbs(would not move until I sprayed with penetrating oil)
    Any help on where to begin?

  7. #7
    Administrator 20774's Avatar
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    There are a number of articles in the resource section (see my sig line) under Carb Tuning and Overhaul.

    Also, if you look in this thread "Rebuild Sites":

    http://www.bmwmoa.org/forum/showthre...es-with-Photos

    and search for the word "carb" you'll find three good resources and visuals on carb overhauls.
    Kurt -- Forum Administrator ---> Resources and Links Thread <---
    '78 R100/7 & '69 R69S & '52 R25/2
    mine-ineye-deatheah-pielayah-jooa-kalayus. oolah-minane-hay-meeriah-kal-oyus-algay-a-thaykin', buddy!

  8. #8
    Registered User 88bmwjeff's Avatar
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    Quote Originally Posted by b25bsaboy View Post
    When I was rebuilding my 32mm Bings off a 1989 R100RT had the same thing happen by having the Lock Spring Bing (64-2 & 64-3) Bing Part # 47-968. Usually it is me that misplaces these things, but I have a feeling the PO is guilty of this one.

    Go to any BMW dealer and ask them to order yoiu a BMW part # 13 111 335 320. My cost was about $2.56 each Canadian. Make sure you tell them what model and year so that you get the correct mm sized Bing Carb part. I am not sure if they are interchangeable between a 32mm verses a 40mm. I ordered two extra, due to my compulsive habit of making sure i have extra bits and pieces available.

    Good luck!
    Ah yes, small expensive parts like these can easily get lost. Best way to ensure you wont lose them is to buy extras. Murphy (of Murphy's Law) will make sure you do not lose either of them. That way you'll be kicking yourself as to why you spent the money on the items. Of course if you don't buy extras, they'll fling across the room and get lost in corner.
    Jeff in W.C.
    1988 R100 RT (the other woman)
    "I got my motorcycle jacket but I'm walking all the time." Joe Strummer

  9. #9
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    Quote Originally Posted by 20774 View Post
    There are a number of articles in the resource section (see my sig line) under Carb Tuning and Overhaul.

    Also, if you look in this thread "Rebuild Sites":

    http://www.bmwmoa.org/forum/showthre...es-with-Photos

    and search for the word "carb" you'll find three good resources and visuals on carb overhauls.
    20774, Thanks for the help. I have a rebuild kit coming from Bing and a quart of Red-Kote for the gas tank recoat. Project is starting to get fun.
    1der

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