Plugged weep hole?
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Thread: Plugged weep hole?

  1. #1
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    Plugged weep hole?

    I was working on my '81 Custom the other day and it appears that a previous owner(probably not the one I bought it from) plugged the weep hole coming from the mech seal socket. I'm not sure what it's made of or how they put it in, but there is definitely something plugging the hole and it looks deliberate. Any suggestions on how to get it out?
    1981 CX500 Custom

  2. #2
    Super Moderator ramprat06's Avatar
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    It could probably be carefully drilled out, being sure not to go too deep. There are some clear photos of how it's oriented, I'll see if I can dig it up.

    If it's JB Weld, it will be a very hard task to get right. Got any pictures to show us?
    May the myriad of wheels in your head, keep the two wheels between your legs rubber side down.

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  3. #3
    Senior Member izak's Avatar
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    Try spraying liberal quantities of Q20, or similar, into the hole with the straw that comes with the can, to try to soften whatever is embedded in the channel . I have used a small 2mm "bottle brush" with good effect after the Q20 squirts. I suppose it depends on what is in the channel , but I think Carb cleaner will also be effective and not harmfull to the mechanical seal or the rubber oil seal ? Please depend also on other members' advice and opinions before you dig in
    Last edited by izak; 05-18-2017 at 11:20 PM.
    Proud owner - Honda GL 500 D ( Silverwing) , 1981/2 model, unmodified , with non original panniers and top box Also original parallel Keihin carbs with no acceleration pump, plus an autotensioner for the cam chain.

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  5. #4
    Super Moderator ramprat06's Avatar
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    The red straw from a spray can is used here to point out the orientation.





    As you can see, the depth into the mechanical seal area is very tight. Doing this without removing engine needs a very steady hand.

    Where ?

    There !!



    Instead of a steel stick You can use a 3.0 or a 3.5mm drill to clean this bore.

    Last edited by ramprat06; 05-18-2017 at 12:29 PM.
    nippongreen and izak like this.
    May the myriad of wheels in your head, keep the two wheels between your legs rubber side down.

    Age 62
    No more stable, no more ride for me.

    Gloria's Story including PartII> I miss her dearly, but she is in good hands. Part III included at the end of the link.

    Forum Settings that everyone should make

    Photo and Video posting Tips

    The WIKI link for all the good tech stuff. including free FSM's
    with addendums

    Larry's most excellent CX/GL Carb book link




  6. #5
    OCR
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    If you use a drill bit, turn it with your fingers or use a hand drive.
    izak likes this.
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    we are all given sh*t in life, but some of us learn to turn it into fertilizer and grow from it, and some us try to fling it on others like monkeys.

  7. #6
    Senior Member izak's Avatar
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    Yes. A suitable size drill bit will be the instrument of choice cleaning out the crying hole. NOT this Graig-Brush that I used ?
    Attached Images Attached Images  

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  9. #8
    OCR
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    The T-chuck that comes with a tap set is handy for this kind of work.
    Past Master, Dryden Lodge #472
    Caroline Lodge # 681
    RAM Fidelity # 77





    '79CX500C

    http://www.cx500forum.com/mediawiki



    we are all given sh*t in life, but some of us learn to turn it into fertilizer and grow from it, and some us try to fling it on others like monkeys.

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