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Alex · July 15th, 2012, 07:09 AM

Surface cracking on the sidewall of a tire isn't that uncommon as they age, and often isn't a sign of impending doom. But - it does mean the tires are starting to get a bit old, and can be a reason to think about changing them out even if there is some tread left. How old are the tires? There is a 4 digit date code on the sidewall, the last two digits are the year of manufacture, and the first two digits are the week of that year. Either way, it's unsafe to be riding around on a front tire with 13 psi.

July 15th, 2012, 07:09 AM	#3
Alex ninjette.org dude Name: 1 guess :-) Location: SF Bay Area Join Date: Jun 2008 Motorcycle(s): '13 Ninja 300 (white, the fastest color!), '13 R1200RT, '14 CRF250L, '12 TT-R125LE Posts: Too much. Blog Entries: 7	Surface cracking on the sidewall of a tire isn't that uncommon as they age, and often isn't a sign of impending doom. But - it does mean the tires are starting to get a bit old, and can be a reason to think about changing them out even if there is some tread left. How old are the tires? There is a 4 digit date code on the sidewall, the last two digits are the year of manufacture, and the first two digits are the week of that year. Either way, it's unsafe to be riding around on a front tire with 13 psi. __________________________________________________ Montgomery Street Motorcycle Club / cal24.com / crf250l.org / ninjette.org ninjette.org Terms of Service Shopping for motorcycle parts or equipment? Come here first. The friendliest Ninja 250R/300/400 forum on the internet! (especially Unregistered)