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Old September 30th, 2012, 07:06 PM   #1
FvnnyL3tt3r1ng
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Air leak from Tire Valve

My tire randomly goes flat while sitting overnight every once in a while. This is because the valve leaks air if it is moved. If/when I remove the valve cap it will leak air sometimes from the center hole. It also leaks air from around the base where it meets the tire. What is wrong w/ it and how can I fix this?
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Old September 30th, 2012, 07:14 PM   #2
GeorgeRYoung
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valve replacement

You can buy a replacement valve from an auto supply place for a couple of bucks.

If you break the bead on one side of the tire, you can probably remove the old valve and insert the new one.

You put on a steel valve cap and pull it through, soapy water helps.

Then pump the tire up until the bead seats again, soapy water helps.

No need to re-balance.
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Old September 30th, 2012, 07:35 PM   #3
FvnnyL3tt3r1ng
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Originally Posted by GeorgeRYoung View Post
You can buy a replacement valve from an auto supply place for a couple of bucks.

If you break the bead on one side of the tire, you can probably remove the old valve and insert the new one.

You put on a steel valve cap and pull it through, soapy water helps.

Then pump the tire up until the bead seats again, soapy water helps.

No need to re-balance.
Srry I don't know what a bead is?
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Old September 30th, 2012, 07:59 PM   #4
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Replace the schreader core and air up to your air preferences. Not sure on how each one costs, but it is penny's.
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Old October 1st, 2012, 06:30 AM   #5
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Quote:
Originally Posted by FvnnyL3tt3r1ng View Post
Srry I don't know what a bead is?
Bead is the edge of the tire that seats on the interior of the wheel's rim.

See how-to:

http://faq.ninja250.org/wiki/Tires
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Old October 2nd, 2012, 12:49 PM   #6
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Took it to the shop, found out the valve was dryrotted around the rim area. Needed a new tire so had a new tire+ valve put on. I guess I'll have to learn how to replace the valve next tire change...
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Old October 5th, 2012, 03:40 AM   #7
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Quote:
Originally Posted by FvnnyL3tt3r1ng View Post
Took it to the shop, found out the valve was dryrotted around the rim area. Needed a new tire so had a new tire+ valve put on. I guess I'll have to learn how to replace the valve next tire change...
The auto parts place sells a tool for that job. Called a stem puller or something like that. Costs a couple bucks.
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