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Thread: DynaBeads and Flats

  1. #1
    From MARS
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    DynaBeads and Flats

    There's DynaBeads in my tires, and the rear tire has a very slow leak from a pin-hole. I discovered this leak while on a trip. My first thought was to just plug it, but then I thought of the beads sticking to the glue on the plug and throwing the balance way off. Then, I considered removing the tire and patching it, but since I was on the road, finding some way to catch all those little beads and get them back in the tire after remounting lead me to the conclusion that I'd just monitor the pressure and use the 12v pump to keep it topped up. That proved satisfactory for this trip, but it does make me wonder how the beads and plugging would interact if the leak had required immediate attention.

    Has anyone plugged a tire that had DynaBeads? How'd it go?

    Tom

  2. #2
    Lucky motorradmike's Avatar
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    I use DynaBeads too. I've never plugged a flat yet but that won't stop me chiming in!

    I used to drill a big hole in the old tire to recover the beads until someone on ADV suggested to just dismount the first side as though there were no beads in it and scoop them up from inside the tire with a thin card. I've done that twice now and have lost very few beads so you could try that.

    Also:
    The beads won't stick to themselves so not too much weight should collect on the glue. I'd try it. I hate leaky tires. If it doesn't balance then add more beads.
    Mike Marr
    1978 Yamaha XS750 (Needs rings), 1996 BMW R1100RS, 2004 Honda CRF230F

  3. #3
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    Quote Originally Posted by From MARS View Post
    .............

    Has anyone plugged a tire that had DynaBeads? How'd it go?

    Tom
    Yup..........
    But I used this to plug the nail hole........

    http://www.dynaplug.com/
    It got me ~350 miles before the tire wore out down the center.
    When I took it off to install a new tire, the plug was still doing it's job no problem...& no evidence of any issue w/ the Dynabeads...........
    JMagda
    Deep in the OH wasteland...
    04 R1150r

  4. #4
    From MARS
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    Quote Originally Posted by jm1515 View Post
    Yup..........
    But I used this to plug the nail hole........

    http://www.dynaplug.com/
    It got me ~350 miles before the tire wore out down the center.
    When I took it off to install a new tire, the plug was still doing it's job no problem...& no evidence of any issue w/ the Dynabeads...........
    I just placed my order. Thanks.

    The hole is so small I'm not sure I'll be able to get the plug in, but I think I'll have a better chance with this system. I was losing only about 4lbs in 24hrs. There's nothing visible puncturing the tire. I'm wondering if it is possible that the tire has a small pinhole defect. It is right in the middle of one of the lugs on a fairly new Avon Gripster (roughly 1500 miles when the leak started). Its pretty hard to imagine something so small penetrating the rubber and steel bands.

    Tom

  5. #5
    Registered User kgadley01's Avatar
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    If the tire is that new, I would not plug it. Remove the tire and place a patch on the inside of the tire. a plug (IMHO) is to get you home, or to the next town.

  6. #6
    From MARS
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    There are a few more weeks of riding before I start the winter maintenance. I'm thinking I'll just keep adding air and try to wear out the tire before then. There's about 3500 miles on it now. I'll be putting new rubber on for Spring, and then replace them again before starting for the National. If there's any life left in the tire, I'll patch it and keep it around as a spare.

    Tom

  7. #7
    Aspiring Profligate jeff488's Avatar
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    When replacing a tire with beads already in it, demount it and use a shop vac with the toe portion of a ladies nylon stocking down the hose. This forms a sack to hold the beads.
    If you have one of those narrow nosed "upholstery" attachments, putting the sock between it and the hose will keep the whole mess from getting sucked into the vac.
    Beads will be easily and completely collected in the stocking.
    I think my beads are in their third tire on the rear.
    '04 Silver R1150RT "Big Oel". '05 Yellow KLR 650
    '00 Red Suzuki Bandit 600
    '65 Allstate/Puch 250 twingle
    "I just want somewhere to ride and food when I get there."

  8. #8
    Riding for the SON
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    can you use SLIME or other tire sealent with dyna beads?

  9. #9
    From MARS
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    Quote Originally Posted by roybarnes View Post
    can you use SLIME or other tire sealent with dyna beads?
    NO!

    Tom

  10. #10
    From MARS
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    Quote Originally Posted by Jeff488 View Post
    When replacing a tire with beads already in it, demount it and use a shop vac with the toe portion of a ladies nylon stocking down the hose. This forms a sack to hold the beads.
    If you have one of those narrow nosed "upholstery" attachments, putting the sock between it and the hose will keep the whole mess from getting sucked into the vac.
    Beads will be easily and completely collected in the stocking.
    I think my beads are in their third tire on the rear.
    Thanks for reminding me of this trick!

    Tom

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