burnout
Expert Class
Posts: 216
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posted December 14, 2006 01:47 PM
Old MT slicks?
Someone gave me a never used MT motorcycle drag radial (B1 compound) that is is old and has started cracking. I've heard that slicks can only be heat cycled a limited number of times before they permanently loose their softness no matter how much rubber is left. I'm wondering if the drying-out process occurs through and through in a similar fashion so that softness cannot be recovered or if they can be reinvigorated by seriously burning them down?
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1/8 5.66@129.77
1/4 8.74@159.60
  
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kawpower
Zone Head
Mr kawasaki 2 you!
Posts: 887
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posted December 14, 2006 04:05 PM
The magic word here is cracking which = unsafe!
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nightmare
Pro
ACP Racing
Posts: 1797
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posted December 27, 2006 07:19 AM
How about not running that tire crazy!
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2006 ZX14 Ninja "SWINE FLU"
60ft 1.23
8th Mile 5.16
ACP Racing
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burnout
Expert Class
Posts: 216
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posted December 29, 2006 10:17 AM
Cracking wasn't a very good description. Dried would have been better. It turns out it was a shoot-out slick not the B1 radial. You know how you can poke your finger into the compund and leave a mark on a shoot-out slick, well it got some sun on the tread and lost some of its softness. The sidewalls were like new, I wouldn't even have considered them otherwise, but I did pass on them anyhow.
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1/8 5.66@129.77
1/4 8.74@159.60
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nightmare
Pro
ACP Racing
Posts: 1797
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posted January 01, 2007 09:06 PM
good choice killer! You'll live to race again.
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2006 ZX14 Ninja "SWINE FLU"
60ft 1.23
8th Mile 5.16
ACP Racing
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