Results 1 to 11 of 11

Thread: Tire loses pressure

  1. #1
    Registered User ksb245's Avatar
    Join Date
    Jan 2012
    Location
    Daytona Beach, Fl
    Posts
    36

    Tire loses pressure

    The rear tire on my 2016 R1200RT-LC loses pressure very slowly; it goes from 44psi to ~35 psi overnight and then stays at that pressure
    It developed a leak during my last trip and I had the leak plugged; can the plug re-seal itself when the pressure reduces to ~35 psi? The TPM tracks the pressure perfectly when riding and stops decreasing at ~ 35 psi. I use a valve stem cap at all times. The tire is a Michlean Road 5 with about 6K miles. A new tire is on-order, but I wanted to see if anyone has experienced a problem like this.
    Karl
    2016 R1200RT-LC San Marino Blue (The Alien)
    2008 R1200RT Sand Beige Metallic (Wife's)
    2014 1600 GTL Gray-Traded; 2011 R1200RT Black/Silver-Traded

  2. #2
    TravelsWithBarley.com
    Join Date
    Jan 2009
    Location
    Craftsbury, Vermont
    Posts
    1,476
    Just a hunch, but has the TPMS ever been hit during a tire change? It's a pretty large unit and someone not used to their size who isn't careful when removing an old tire... DAMHIK

    Put a little soap around the base of the valve stem and see if you get any slow bubbles.

    Pete
    '12 R1200GSA for solo rides
    '10 R1200GSA with Hannigan dual sport sidecar for rides with Glenlivet
    '15 Honda CRF250L for exploring places I'm afraid to take the big GSA!
    http://travelswithbarley.com/

  3. #3
    Registered User Blacque Jacque Shellacque's Avatar
    Join Date
    Nov 2005
    Location
    Pickering, Ontario
    Posts
    238
    I have had more slow leaks on tires than I care to remember. Mostly cars, summer and winter tires. In my experience slow leaks don't stop. They may slow down a bit as the pressure drops but eventually the tire goes flat. Have you confirmed the TPS sensor is accurate with a good tire guage? It's hard to imagine the leak stops at 35psi.

  4. #4
    Fortis Fortuna Adiuvat Omega Man's Avatar
    Join Date
    Jan 2010
    Location
    Mansfield,MA
    Posts
    12,753
    I would soap the whole tire down including around the valve stem and under the VS cap- as the valve could be loose. I use an empty and cleaned out Aunt Jemima maple syrup bottle with water and dish wash soap. The flexible bottle makes it easy.
    Good luck.
    OM
    "You can do good or you can do well. Sooner or later they make you choose." MI5
    Mod Squad
    2009 F800GS 1994 TW200

  5. #5
    He said he had the tire plugged.
    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
    http://web.bigbend.net/~glaves/

  6. #6
    MOA #24991 Pauls1150's Avatar
    Join Date
    Apr 2008
    Location
    south of Los Angeles
    Posts
    2,430
    But there is probably more than "one" leak.... a tiny sliver, a loose valve core, even a plug that did Not fully seal...

  7. #7
    '99 '03 '06 National Co-Rally Chair Friedle's Avatar
    Join Date
    Mar 2003
    Location
    Poughkeepsie, NY
    Posts
    1,449
    Or he can just keep riding it and adding more air until the slow leak becomes a big fast leak...while riding. Your choice...keep riding on that tire and play the odds OR fix/change the tire. Remember you need BOTH of them to effectively keep your ass off the ground.

    Friedle
    Ride fast safely

  8. #8
    Registered User
    Join Date
    Sep 2008
    Location
    Planet Earth
    Posts
    352
    In my experience the most common culprit of a slow leak is road grime. Whenever I change tires I first wash the bike, and make sure that I wipe down the rims/tires with a clean rag. Then I remove the wheel and change the tire. After you get the tire removed from the rim, clean off the rim bead of dirt or tire particles with a scotch brite or brush. Then mount the tire. If you use a tire mounting lube brush/rag, make sure that it is clean. After I get done, I wash the tire again to remove tire lube and release off the tire. I have found that if you follow this procedure, you are far more likely to avoid a slow leak. Furthermore, you will be a lot cleaner yourself. I spend more time cleaning the wheel then I do changing the tire.

    If there is damage to the rim bead, you can always use bead sealer. I try to avoid using bead sealer because it is nasty to work with and clean up.

    I also use the BMW metal valve caps. They have a nice rubber seal to prevent leaking valve stems.

  9. #9
    Registered User dieselyoda's Avatar
    Join Date
    Mar 2013
    Location
    Winnipeg, MB, Canada
    Posts
    1,284
    Tires and rims do go porous.

    As well, some tires are nail magnets.
    1997 R1100RT, 1981 KZ 440 LTD, R80RT, R90/6 sidecar, K1100RS,1983 K100RS (Cafe now)

    “The major civilizing force in the world is not religion, it is sex.”

  10. #10
    Registered User ksb245's Avatar
    Join Date
    Jan 2012
    Location
    Daytona Beach, Fl
    Posts
    36
    Found another nail in the tire
    Replaced the tire with new $$$
    Cheaper than a blow out!

    THANKS for all the feed back
    Karl
    2016 R1200RT-LC San Marino Blue (The Alien)
    2008 R1200RT Sand Beige Metallic (Wife's)
    2014 1600 GTL Gray-Traded; 2011 R1200RT Black/Silver-Traded

  11. #11
    '99 '03 '06 National Co-Rally Chair Friedle's Avatar
    Join Date
    Mar 2003
    Location
    Poughkeepsie, NY
    Posts
    1,449
    Quote Originally Posted by ksb245 View Post
    Found another nail in the tire
    Replaced the tire with new $$$
    Cheaper than a blow out!

    THANKS for all the feed back
    You've gotten your priorities correct. Tire is MUCH cheaper than a visit to the ER. Sounds as if that was an unlucky tire anyway.

    Friedle
    Ride fast safely

Similar Threads

  1. Replies: 110
    Last Post: 08-10-2017, 01:12 AM
  2. tire pressure
    By blstevens in forum Oilheads
    Replies: 19
    Last Post: 07-23-2013, 12:26 AM
  3. R1200RT 2009 Clutch Lever Loses Pressure
    By dukesan in forum Hexheads/Camheads
    Replies: 48
    Last Post: 09-29-2010, 05:02 PM
  4. RT Tire air pressure
    By pdavis in forum Oilheads
    Replies: 14
    Last Post: 10-12-2008, 02:15 PM

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •