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Changing Valve stem by cheating

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  • #1

    Changing Valve stem by cheating

    My rear valve stem has been leaking since I painted the rims. I took the lock nuts off to tape around the core and the seal broke and its been a slow leaker since

    I've been dreading pulling the wheel tire back off. Don't want to dismount it as it has 40%-50% tread left and don't want to re-mount that on my Highway ridin bike. Finally decided that it's coming apart and the old tire goes to the XS which will probably never leave town and a new one goes on here. Ordered up a set of Shinkos so if I changed my mind they would go on the XS as it needs tires anyway and with 2 tires (front and back) had free shipping.

    Then it hit me, what if I could break the bead on the bike without pulling the wheel? Tire can stay, I don't have to run to my storage unit and get my tire bead breaker and wheel balancer, don't have to dismount the tire, etc. Etc.

    It took a couple bites with a c-clamp and a wood block moving along the tire. Placed the bike in gear to help. I blocked 1 side so that it would only come off on one side. This turned out to be a 30 minute job, not 2+ hours. Found a bunch of aluminum corrosion under the stem. The rim cleaned up just fine and I installed a new stem which it probably needed anyway.

    Looks like the XS gets the matching set of Shinkos



    Last edited by WSL91; 06-03-2012, 12:24 PM.
    1970? Honda Z50... gone
    1974? Yamaha 100 Enduro... gone
    1974 Honda CB200... gone
    1981 Yamaha Virago 750... gone
    1993 Honda Shadow 1100... gone
    2008 Honda VTX 1800F
    1982 Yamaha XJ1100J w/850 final, Raptor ACCT
    1979 Yamaha XS1100SF "Chewey" Raptor ACCT

    http://www.johnsoldiron.com
    Tags: None
  • #2
    The last time I had a leaker like that. The rubber seals around the stem were shot. I picked up a couple rubber washers from the hardware store and it was good as new after that...

    Geezer
    Hi my name is Tony and I'm a bikeoholic.

    The old gray biker ain't what he used to be.

    Comment

    • #3
      What stem did you replace it with, do you have a link for them? My front is starting to do the same. I tightened it and it helped but still leaks every so slowly... IIRC There use to be a thread that I read a while ago that someone installed some aftermarket aluminum replacement stems and had to clean up the rim because there was a grove where the o-ring goes...
      '79 XS11 F
      Stock except K&N

      '79 XS11 SF
      Stock, no title.

      '84 Chevy K-10 "Big Blue"
      GM 350, Muncie SM465, NP208, GM 10 Bolt with 3.42gears turnin 31x10.5 Baja Claws

      "What they do have is an implacable, unrelenting presence and movement that bespeaks massive power lurking behind paint and chrome. They don't wail like a screeching ninja, the don't rumble like a harley. They just growl like a spactic, stressed out badger waiting to rip your face off and eat your soul." Trainzz~RIP~

      Comment

      • #4
        When I did the one on my bike, I couldn't find a replacement anywhere around town and I didn't want to wait. The metal part was OK so I put in a new valve core (free at a tire shop) and new rubber washers from the local hardware store.

        I think it cost less than a buck but I probably burnt up 10 bucks worth of gas in my truck running around looking for a replacement.

        Geezer
        Hi my name is Tony and I'm a bikeoholic.

        The old gray biker ain't what he used to be.

        Comment

        • #5
          Originally posted by Geezer View Post
          I think it cost less than a buck but I probably burnt up 10 bucks worth of gas in my truck running around looking for a replacement.

          Geezer
          Don't you hate that!
          -- Clint
          1979 XS1100F - bought for $500 in 1989

          Comment

          • #6
            Originally posted by WMarshy View Post
            What stem did you replace it with, do you have a link for them? My front is starting to do the same. I tightened it and it helped but still leaks every so slowly... IIRC There use to be a thread that I read a while ago that someone installed some aftermarket aluminum replacement stems and had to clean up the rim because there was a grove where the o-ring goes...
            Fit like a glove

            http://www.bikebandit.com/camel-tube...ire-valve-stem
            1970? Honda Z50... gone
            1974? Yamaha 100 Enduro... gone
            1974 Honda CB200... gone
            1981 Yamaha Virago 750... gone
            1993 Honda Shadow 1100... gone
            2008 Honda VTX 1800F
            1982 Yamaha XJ1100J w/850 final, Raptor ACCT
            1979 Yamaha XS1100SF "Chewey" Raptor ACCT

            http://www.johnsoldiron.com

            Comment

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