Pilot Power Front tear in tread... - Chicagoland Sportbikes
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post #1 of 24 (permalink) Old 09-15-2006, 01:24 AM Thread Starter
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Pilot Power Front tear in tread...

Sept. 13...Blackhawk Farms...Gloomy 70 degrees... damp track... Michelin Pilot Power front 120/70/17.

Went for my first session and returned to the pit to find this. Can't explain it; at least 1/8" deep and just shy of 1" long. What is not to visible in the photos are three other marks on the tire surrounding the separation. I contacted Michelin and they want me to send them the tire.

Anyone with comments... similar occurence... possible cause???

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Last edited by Dean; 12-14-2006 at 12:05 PM.
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post #2 of 24 (permalink) Old 09-15-2006, 03:03 AM

 
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thats fucked, just glad you didnt have a freak blowout. hopefully michelin will take care of you

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post #3 of 24 (permalink) Old 09-15-2006, 06:04 AM
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that's really unusual

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post #4 of 24 (permalink) Old 09-15-2006, 08:18 AM
 
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friggin call you eagle eye for even spotting it
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post #5 of 24 (permalink) Old 09-15-2006, 08:22 AM
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I had a seam tear like that on some 208GP's last year. (though mine was more along the groove wall). I talked to some of the fast people at the track, and they said it's not all that uncommon - and relatively safe if it's not too deep.

That said, it wasn't very confidence inspiring. So I swapped them out as soon as I could. The best explanation I heard was that occasionally the rubber doesn't cool evenly and you wind up with a surface tear when the carcass flexes beyond normal street riding.

...or something like that.

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post #6 of 24 (permalink) Old 09-15-2006, 08:26 AM
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Originally Posted by Underdog
I had a seam tear like that on some 208GP's last year. (though mine was more along the groove wall). I talked to some of the fast people at the track, and they said it's not all that uncommon - and relatively safe if it's not too deep.

That said, it wasn't very confidence inspiring. So I swapped them out as soon as I could. The best explanation I heard was that occasionally the rubber doesn't cool evenly and you wind up with a surface tear when the carcass flexes beyond normal street riding.

...or something like that.

I think this is what happens when you ride like a Sally.
post #7 of 24 (permalink) Old 09-15-2006, 08:36 AM
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edit:

For those that didn't know - I ride like a Sally. Thanks for the reminder Steve!

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post #8 of 24 (permalink) Old 09-15-2006, 08:37 AM
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For those that didn't know - I ride like a Sally. Thanks for the reminder Steve!
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post #9 of 24 (permalink) Old 09-15-2006, 08:47 AM
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Quote:
Originally Posted by Brian
friggin call you eagle eye for even spotting it
+1, I was thinking the same thing. Good eyes bro. I will be checking for something like this every time i do a tire inspection going forward.

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post #10 of 24 (permalink) Old 09-15-2006, 09:00 AM
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holy shit, i better go check my tires too



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post #11 of 24 (permalink) Old 09-15-2006, 09:07 AM
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Michelin will most likely give you a free set of tires if you send the set in.

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post #12 of 24 (permalink) Old 09-15-2006, 10:22 AM
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oh shit!!!! i just bought a set man pilot powers i should it get diferent brand
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post #13 of 24 (permalink) Old 09-15-2006, 10:34 AM
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Quote:
Originally Posted by tomasino
oh shit!!!! i just bought a set man pilot powers i should it get diferent brand
Nah... The Pilot powers are kick ass. That was either a defect or he ran something over.

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post #14 of 24 (permalink) Old 09-15-2006, 10:46 AM Thread Starter
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Quote:
Originally Posted by Grasshopper
Nah... The Pilot powers are kick ass. That was either a defect or he ran something over.
I am thinking the same thing regarding hitting something. I have two concerns... First - it is too perfect of a "slice" and not a "tear", and second, it is in the tread and not on the outer carcass.

Like I said, we'll see what Michelin says. Tire gets sent today.

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post #15 of 24 (permalink) Old 09-15-2006, 11:18 AM

 
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It's because your a monster on the track. Your putting more G forces on them than they are designed for.

That is strange looking, especially where it is located.

I have a 208 that I just called the manufacturer on yesterday. It's pulling apart at the seam of the tire. It looks like someone took an exacto knife and cut across the tire from sidewall to sidewall. They confirmed what Drucker told me. Thats common on those tires and is purely cosmetic. It's not going to affect the tire. It is disturbing to look at.

Though I haven't riden with you lately Dean, it's good to see your getting out there and cutting it up!

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post #16 of 24 (permalink) Old 09-15-2006, 11:21 AM
 
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I had that once too in the rear of a pilot power after a track day. It never seemed to hurt my performance nor did it bother me much. It wasn't very deep, but looked like a small cut...was outside of the tread too so I figured I just ran over something. I noticed it also after my day at BHF.
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post #17 of 24 (permalink) Old 09-15-2006, 12:19 PM
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Quote:
Originally Posted by gkotlin
It's because your a monster on the track. Your putting more G forces on them than they are designed for.

That is strange looking, especially where it is located.

I have a 208 that I just called the manufacturer on yesterday. It's pulling apart at the seam of the tire. It looks like someone took an exacto knife and cut across the tire from sidewall to sidewall. They confirmed what Drucker told me. Thats common on those tires and is purely cosmetic. It's not going to affect the tire. It is disturbing to look at.

Though I haven't riden with you lately Dean, it's good to see your getting out there and cutting it up!
Yea, bullshit. Dunlop and Drucker are just saying that to keep you buying tires. The 208's have had that happen to them way too much. Every tire has it happen, but the Dunlops more than others.

For more info, see here: http://www.r6messagenet.com/forums/s...t=dunlop+chunk
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post #18 of 24 (permalink) Old 09-15-2006, 12:44 PM Thread Starter
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Ahhh Greg, you kill me.

I have never seen that before, and it was scary to look at especially since it was in the tread and not over the top of the tire.

Since your bump to "I" in NESBA , the most I will run into you is if we pit together. I am still trying to rid myself of 12 years of Harley Habits from road riding, thus... the "B" group is all mine .

Take care.

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post #19 of 24 (permalink) Old 09-15-2006, 01:11 PM
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Originally Posted by mgentz
Yea, bullshit. Dunlop and Drucker are just saying that to keep you buying tires. The 208's have had that happen to them way too much. Every tire has it happen, but the Dunlops more than others.

For more info, see here: http://www.r6messagenet.com/forums/s...t=dunlop+chunk

Yeah Dunpops have had a history of letting loose. There was a thread on the WERA board a while ago on it also.
post #20 of 24 (permalink) Old 09-15-2006, 04:15 PM
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Quote:
Originally Posted by gkotlin
It's because your a monster on the track. Your putting more G forces on them than they are designed for.

That is strange looking, especially where it is located.

I have a 208 that I just called the manufacturer on yesterday. It's pulling apart at the seam of the tire. It looks like someone took an exacto knife and cut across the tire from sidewall to sidewall. They confirmed what Drucker told me. Thats common on those tires and is purely cosmetic. It's not going to affect the tire. It is disturbing to look at.

Though I haven't riden with you lately Dean, it's good to see your getting out there and cutting it up!

dont sweat that , ive seen those too on dozens of tires i went through when i was using those too.



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post #21 of 24 (permalink) Old 09-15-2006, 04:21 PM
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holy shit, i just noticed something is wrong with my front tire, it has all these rips and shit, looks like it went through a cheese grator and a heat torch?



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post #22 of 24 (permalink) Old 09-15-2006, 04:26 PM
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Quote:
Originally Posted by Odysseys
holy shit, i just noticed something is wrong with my front tire, it has all these rips and shit, looks like it went through a cheese grator and a heat torch?
You better call the manufacturer on that ken, thats some serious shit!

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post #23 of 24 (permalink) Old 09-15-2006, 05:12 PM
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no shit all i did was ride around the track a little



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post #24 of 24 (permalink) Old 09-15-2006, 05:16 PM
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