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Thread: Cleaning Used Throttle Body

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  1. #1
    Registered User m_stock10506's Avatar
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    Cleaning Used Throttle Body

    I purchased a pair of used throttle bodies.
    My plan is to clean them up, send the injectors out for professional cleaning and eventually swap them onto my R1100RT (currently 100k miles). So, I don't have a parts washer or ultrasonic cleaner. I've got an aluminum roasting pan, simple green and any other bottle of cleaner chemical available at the local auto parts places. What's my best choice to get these cleaned up. They are fairly grungy both inside and outside.


    Used Throttle Bodies.jpg
    Michael Stock, Trinity, NC
    R1100RT, R100, R60/6

  2. #2
    IBA #44567 Ken F's Avatar
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    soak them in vinegar with lemon juice
    IBA #44567
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  3. #3
    Curmudgeon nrpetersen's Avatar
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    Quote Originally Posted by Ken F View Post
    soak them in vinegar with lemon juice
    That's a new one on me. Does it by chance cut corrosion etc too? Where do you use it? What sort of mixture? How long to soak?

    I was going to suggest carb cleaner & cotton swabs, here. I know carb cleaner will dissolve a toothbrush handle. DAMHIK.....
    Retired w 2005 K1200LT, 2000 R1100RT, & 1975 R90/6

  4. #4
    IBA #44567 Ken F's Avatar
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    Several different methods. My favorite is 1 part vinegar/2 parts water and soak for 24-48 hours.
    You can also heat it on the stove and cook the parts for 1-2 hours.
    I'd try on a small piece first to test for discoloration.

    It's jsut a mild acid.....

    Ken
    IBA #44567
    "Two things are infinite: the universe and human stupidity; and I'm not sure about the the universe."
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  5. #5
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    I've heard of folks using a pine sol solution. Go over to adv riders forum and read up on it.

    Personally, I have not tried it... yet

  6. #6
    Aspiring Profligate jeff488's Avatar
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    I recently learned about a 50/50 mix of Dawn dish wash liquid and white vinegar as a degreaser. The vinegar needs heating to coffee temperature prior to mixing so it combines better with the soap. Biodegradable is a plus.
    Works very well. Spray on, scrub with stiff brush and rinse with water.
    Cheap, too.
    '04 Silver R1150RT "Big Oel". '05 Yellow KLR 650
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  7. #7
    Registered User m_stock10506's Avatar
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    Quote Originally Posted by R1100RS View Post
    I've heard of folks using a pine sol solution. Go over to adv riders forum and read up on it.
    Personally, I have not tried it... yet
    Yep, going to try the Pine-Sol soak. It will take a few days before I can report back but I will provide results.
    Michael Stock, Trinity, NC
    R1100RT, R100, R60/6

  8. #8
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    Quote Originally Posted by m_stock10506 View Post
    I purchased a pair of used throttle bodies.
    My plan is to clean them up, send the injectors out for professional cleaning and eventually swap them onto my R1100RT (currently 100k miles). So, I don't have a parts washer or ultrasonic cleaner. I've got an aluminum roasting pan, simple green and any other bottle of cleaner chemical available at the local auto parts places. What's my best choice to get these cleaned up. They are fairly grungy both inside and outside.


    Used Throttle Bodies.jpg
    Just make sure you remove the TPS before using any strong solvents on the TB's.

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