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Shelf life of m/c tires.

Mighty Kentor2010-05-17 11:25:38 +0000 #1
I've listed a set of tires for sale:

www.bcsportbikes.com...wthread.php?t=120065

A prospective buyer has asked the manufacturing date of the tires, which I see is 1704 rear 2604 front, meaning they are 6 years old.

The tires came off of my new-to-me 929, are at least at 80% - 90% still, and the po had the tires put on 2 years ago. Their manufacturing date is news to me as I hadn't thought to look.

Now I'm nervous to sell a tire that old, as I don't want to give someone something that may not perform as advertised, but I can't find anything on Metzeler's site specifically talking about shelf life of their tires.

So do I bin them, or are they worthy for more road use?
Dustin22010-05-17 11:34:54 +0000 #2
Seems like the general consensus is anywhere from 5-10 years as a shelf life for tires.

I have purchased two bikes in the last year or so that both came with 5-10 year old tires on them. The bikes mostly just sat around and the tires hardened up and cracked despite having 80-90% tread left.

They were awful. In the dry they inspired 0 confidence and riding in the wet was horrifying. I quickly binned those hunks of junk and got new tires--night and day difference.

I suppose tires like those might still be useful to a stunter or someone who wants to goof around, but I dunno about selling them to Joe Blow who's going to ride around on them
STORMTROOPER2010-05-17 11:46:38 +0000 #3
wow never saw that add. need anthing for your 929? if the person bails on the sale please pm me. im only in parking lots and those would be the nicest set of tires ive ever had on
vfrer2010-05-17 11:54:28 +0000 #4
this is a interesting piece on older tires

abcnews.go.com/Video/playerIndex?id=4826897
PRSmechanic2010-05-17 11:44:46 +0000 #5
I'd check with a shop on the date code. Most use 3 digits. Week and last digit of year...236 = 23rd week of 2006.

The date code is hot stamped, not part of the mold if that helps.

6 years old for sport bike tires would not be my choice of rubber. Okay for custom cruising if that realy is the age.
PRSmechanic2010-05-17 12:48:08 +0000 #6
Quote:

Originally Posted by STORMTROOPER

wow never saw that add. need anthing for your 929? if the person bails on the sale please pm me. im only in parking lots and those would be the nicest set of tires ive ever had on

I think we have the perfect candidate for a good deal!
Shovelhead2010-05-17 12:56:34 +0000 #7
In the 90's they used the 3 digit system,

Since 2000, they have gone to 4 digit date system
STORMTROOPER2010-05-17 12:14:49 +0000 #8
Quote:

Originally Posted by PRSmechanic

I think we have the perfect candidate for a good deal!

lol yes i am and call dibs Mr. Kentor. Im used to trolling thru the take off tires and toss aways behind the local dealers lol. One guys trash is another mans gold. I can get countless days/weeks out of a tire that on the street would be considered garbage. Sorry for whoring the thread.

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