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Old June 26th, 2019, 06:09 AM   #19
jkv45
Rev Limiter
 
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Name: Jay
Location: WI
Join Date: Jul 2013

Motorcycle(s): '06 SV650n, '00 Derbi GPR, '64 CA77 Dream 305, '70 CL450 Scrambler, numerous dirt bikes

Posts: A lot.
MOTM - Jun '18, Oct '16
Quote:
Originally Posted by oakleaf View Post
Finally, when is a motorcycle tire bad? I have Dunlop K630s ‎100/80-16, 130/80-16 with cracking on the side. Tread looks okay. I did purchase Shinko SR740/741s. Just curious if the K630s are safe to ride on until I install the Shinkos.
1) After about 5 years almost any tire has lost a certain amount of traction, some even quicker. Cycle tires are more critical, so I use 5 years as a max. The amount of tread left doesn't matter.

2) Cracking is telling you the rubber compound has dried out significantly.

3) No.
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