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Old 03-07-2011, 11:54 PM   #1
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Tire Date Code

At what point does a new tire become "old"? A month? a year? from the current date? I'm talking about a brand new tire, not yet mounted, sitting on the shelf waiting to be purchased.
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Old 03-08-2011, 07:19 AM   #2
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I think I remember a thread saying it depends how they are stored. if I could search, I could tell yoU for sure but I think it was like 3 years
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Old 03-08-2011, 07:56 AM   #3
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From my understanding, once you get past the 3 year mark, how it was stored becomes a concern. Until then, as long as it hasn't been sitting out in the elements it should be fine.

I raced on a front D211GP NTEC, at MSRH, with a born on date of early 08 and the tire performed perfectly.

From Erion Racing (west of the mississippi dunlop distributor), "tire age has no effect on performance". Not sure if I believe that totally though.

Last edited by cdill35; 03-08-2011 at 07:58 AM.
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Old 03-08-2011, 08:43 AM   #4
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Tire Service Life
Make sure tires continue to be regularly inspected after 5 years of service
to determine if they can continue in service. Regardless of the tires condition
or tread depth, it is recommended that tires more than 10 years old be taken out of service
and replaced with new tires.

This is not a warranty that any tire will obtain 10 years of service. Some
tires will require replacement before 10 years due to conditions such as
punctures, impact damage, improper inflation, overloading, tread wear or
other conditions involving use or misuse of the tire. If a tire is worn out or
otherwise unserviceable from damage or conditions of use, it should be
replaced regardless of when it was produced or placed in service.

Tire Manufacture Date
The tire manufacture date is determined by examining the DOT tire identification
number, also known as the DOT serial number or code, which can be
found on at least one sidewall near the wheel. It may be necessary to look on
both sides of the tire to find the entire serial code.

Tires Produced Since 2000: The last four (4) digits of the serial code
identify the week and year of production.

Tire Storage
Tires and/or motorcycles should be stored indoors in a cool dry place.
Water collecting inside the tires can cause damage. The tires and/or motorcycles
should be placed away from electric generators and motors and sources
of heat such as hot pipes. Storage surfaces should be clean and free of
grease, gasoline, or other substances, which can deteriorate rubber. Improper
storage can damage tires in ways that may not be visible.
Bridgestone (link)
Originally Posted by bumblebee View Post
"I lack skillz"
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