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Thread: Bing Carberator Cleaning - Ultrasonic

  1. #1
    Registered User b25bsaboy's Avatar
    Join Date
    Aug 2010
    Calgary, AB. Canada

    Bing Carberator Cleaning - Ultrasonic

    Good evening,

    I will be stripping the 32mm Bing carbs shortly and have purchased an Ultrasonic cleaner big enough to accommodate the entire body.

    What solution works well under these circumstances. With the right solution, is heating the solution necessary or needed.

    Read so many comments, I thought I would turn to the board of wisedom to see what others have experienced.
    Rick MacPherson
    Success is Not a Destination, But a Journey.
    Accredited Motorcycle Appraiser
    1968 BSA Starfire, 73 R75/5 SWB, 2008 Honda GL-1800 Lehman Trike

  2. #2
    Liaison 20774's Avatar
    Join Date
    Sep 2005
    San Antonio, TX
    Don't know of a solution but the carb must be completely stripped...this includes the butterflies and the o-rings. Care is needed to reinstall the shafts and repeen the screws.
    Kurt -- Forum Liaison ---> 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!

  3. #3
    Soapy water
    Paul Glaves - "Big Bend", Texas U.S.A
    "The greatest challenge to any thinker is stating the problem in a way that will allow a solution." - Bertrand Russell

  4. #4
    Registered User lmo1131's Avatar
    Join Date
    Jan 2010
    Pismo Beach, CA
    +1 on soapy water.

    Straight out of the bottle Simple Green is another good one.
    "It is what you discover, after you know it all, that counts." _ John Wooden
    Lew Morris
    1973 R75/5 - original owner
    1963 Dnepr

  5. #5
    Given that the carb body is aluminum, you do not want to use a strongly alkaline cleaner, such as TSP.

  6. #6
    Registered User caseyc's Avatar
    Join Date
    Aug 2018
    I purchased a riding mower with a Kawasaki motor that wasn't running. Ethanol was the culprit. Carbs were gummed up BAD. I soaked it in a tub of pinesol. Tub was sitting on my generator while running for a few hours to act as a ultrasonic. Came out like a new carb. I learned of the trick over on ADVrider.
    Then I heard the voice of the Lord saying, “Whom shall I send? And who will go for us?”
    And I said, “Here am I. Send me!
    Isaiah 6:8

  7. #7
    Registered User m_stock10506's Avatar
    Join Date
    Feb 2005
    Trinity, NC
    Yes, original amber Pinesol. I used it mixed with hot water to clean up a pair of throttle bodies.
    Michael Stock, Trinity, NC
    R1100RT, R100, R60/6

  8. #8
    John D'oh
    Join Date
    Aug 2006
    Close to Fort Worth Texas

    Great results with S100

    I use a 10-1 dilution of water to S100 concentrate. In my ultrasonic that's big enough for one carb body, it takes several cycles until the water/s100 stays clean with the first cycle typically turning the solution black in 90 seconds. Then I purge the carb of the water/s100 with air, make several plain water sonic rinses with a final air pressure to purge and dry with a heat gun.
    John D'oh

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