Tire Valve Stem Question - BMW Luxury Touring Community
 
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post #1 of 14 Old Nov 13th, 2006, 8:01 pm Thread Starter
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Tire Valve Stem Question

Does K12LT use a special tire valve stem?
I've had two stems go bad on two different bikes in last six months.
I guess I didn't make it clear I wanted new stem on last tire change.
What should I be using. I guess metal is the way to go.
Mick

Last edited by MickS; Nov 13th, 2006 at 8:10 pm.
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post #2 of 14 Old Nov 13th, 2006, 8:59 pm
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Yep, The rubber valves do go bad, I changed to metal stems and do not worry about it anymore. A very small price to pay for safety and piece of mind. I bought mine at a local m/c shop that I use for tire changes.

Brian Ley
WA State of mindless sheep
USA where everything is illegal
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2010 650GS
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post #3 of 14 Old Nov 13th, 2006, 10:28 pm Thread Starter
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I'll check with local MC shops in the morning and Napa etc.
I will find some metal ones for sure somewhere.
Both times stem went bad I had just returned from out of state rides and parked bike at home. Today as I walked away from bike I heard stem go and air rush out. Guess I was lucky both times it was at my house and not some backroad or interstate.
thanks
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post #4 of 14 Old Nov 13th, 2006, 11:12 pm
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Valve stems

Its not that rubber valve stems are bad, just that a bunch of BMW valve stems are. Valve stem failure has been reported by many people over a long period.

I wouldn't hesitate to replace the valve stem with a rubber one, but I wouldn't get one from BMW. Metal ones are a good way to go as well.

Old thread:
http://www.bmwlt.net/ubbthreads/show...=&view=&sb=&o=
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post #5 of 14 Old Nov 13th, 2006, 11:49 pm
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My local shop likes to change the rubber stems at every tire change and I agree with that. The metal ones last for many tire changes. There are different sizes of stems so you might want to take the old one with you. Chalie is right about the BmW stems and the rest as well, But I am still more comfortable with the metal ones.

Brian Ley
WA State of mindless sheep
USA where everything is illegal
2007 K1200GT
2010 650GS
2000 k1200LT Sold but not forgotten
BMWOA 119892
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post #6 of 14 Old Nov 14th, 2006, 12:10 am Thread Starter
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Thanks for replies and link to old thread with attachments.
I will replace front and rear stems tomorrow.
Mick
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post #7 of 14 Old Nov 14th, 2006, 3:55 am
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Mick,
Please post the size, part number, and manufacture of the metal valve stem that you find.

Mike Trevelino
Williamsburg, VA
2008 RT
2000 LT - Totaled at 99,960 miles


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post #8 of 14 Old Nov 14th, 2006, 4:48 am
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Metal valve stems

I bought mine at a local auto parts store, Pep Boys I think.

They come with two different rubber bushings usually, get one that includes a bushing for 0.453" hole. It will say on the package what size holes it fits.



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post #9 of 14 Old Nov 14th, 2006, 11:57 am
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Quote:
Originally Posted by dshealey
I bought mine at a local auto parts store, Pep Boys I think.

They come with two different rubber bushings usually, get one that includes a bushing for 0.453" hole. It will say on the package what size holes it fits.


Thank you!

Mike Trevelino
Williamsburg, VA
2008 RT
2000 LT - Totaled at 99,960 miles


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post #10 of 14 Old Nov 14th, 2006, 4:57 pm Thread Starter
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I found Camel brand item#30-445 that fits .453 or .625 rim holes at O'Reilly Auto Parts.
Same ones as in CharlieVT's post except mine had two in package for $4.99.
Here is his photo link.
http://www.bmwlt.net/ubbthreads/down..._id=11496?Cat=

All in.... front and rear and I'm feeling lot better about stems.
thanks all
Mick
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post #11 of 14 Old Nov 15th, 2006, 6:49 am
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Anyone using 90 degree valve stems? Would sure be easier to check and fill than the straight ones.

Rando
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post #12 of 14 Old Nov 15th, 2006, 7:08 am
 
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I also had an OEM BMW valve stem go bad. The problem seems to be that the bottom half of these stems are metal and the top half is rubber. Then they begin to part ways. So if you have this type of stem, I think if you replace with a full rubber or metal stem you will be better off.
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post #13 of 14 Old Nov 15th, 2006, 7:33 am
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90 degree valve stem on the GW

Rando,

Honda GW has a 90 degree valve stem and the wheel is designed for it to lay in a "bed" to keep centrifugal force from bending it over at high speed. I am told by local BMW dealer that without this support, at high speed, 89 +, it might bend and then leak.

Dano
Tampa, Fl.

12 K1600 GTL
02 K1200 LT (gone but not forgotten)
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post #14 of 14 Old Nov 15th, 2006, 7:57 am
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Thanks. I know I've seen them on "slower" bikes, so was wondering.

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