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Fazer Owners Club - Unofficial
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Cracks on center line of tyre
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Topic: Cracks on center line of tyre (Read 5382 times)
NorthWestern
GP Hero
Posts: 1,028
Main bike:
FZS 1000 Gen1
Cracks on center line of tyre
«
on:
15 October 2015, 06:44:25 pm »
Has anyone seen this before?
Little cracks on the center of the tyre. Its not been on long, a couple of months - maybe 4k commuting miles, its a Michelin PR4 GT. I have seen old ones with cracks but not new...
Feels fine.
«
Last Edit: 15 October 2015, 06:45:02 pm by NorthWestern
»
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flakey
DAS Born Again
Posts: 74
Main bike:
FZS600 98-99
Re: Cracks on center line of tyre
«
Reply #1 on:
15 October 2015, 06:58:40 pm »
ive never seen that before and certainly wouldnt expect that of michelin, id go back to your tyre supplier and complain, i would have said that needs exchanging
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dazza
GP Hero
Posts: 2,424
Main bike:
FZS 1000 Gen1
- MT10
Re: Cracks on center line of tyre
«
Reply #2 on:
15 October 2015, 07:31:41 pm »
I had a similar thing with a set of PR3's except the cracks were in the tread recesses. I had to buy another set of tyres(Bridgestone's) then got Watling tyres to send them back to Michelin for examination.
Result was Michelin never admitted any liability but did reimburse me half the value, after suggesting I had used them on a track day.
The Pr's are a good tyre but I haven't bought them since. Once you lose confidence in something so critical to keeping you alive, I tend to shop elsewhere.
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noggythenog
GP Hero
Posts: 4,991
Main bike:
Other
- TRX Noggyfighter
Re: Cracks on center line of tyre
«
Reply #3 on:
15 October 2015, 07:35:26 pm »
That's well dodgy...function aside you shouldnt expect that on a top quality tyre i reckon......look at the bottom crack...it has a circular halo all around it as if theres a larger affected area or it has endured some kind of shock......unless youve particularly ridden quick over something particularly sinister on the road id be wanting replacements.
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Easiest way to go fast........don't buy a blue bike
joebloggs
GP Hero
Posts: 1,566
Main bike:
FZS600 00-01
- ZX9RE1
Re: Cracks on center line of tyre
«
Reply #4 on:
15 October 2015, 07:38:15 pm »
Lorenzo, you still a little pissed over Sundays tyre issue?
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Complete fabrication, I didn't make it up!
NorthWestern
GP Hero
Posts: 1,028
Main bike:
FZS 1000 Gen1
Re: Cracks on center line of tyre
«
Reply #5 on:
15 October 2015, 07:43:34 pm »
I only noticed it today when my misted visor cleared!
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NorthWestern
GP Hero
Posts: 1,028
Main bike:
FZS 1000 Gen1
Re: Cracks on center line of tyre
«
Reply #6 on:
15 October 2015, 07:44:55 pm »
Will keep an eye on them tomorrow.. Pressures are fine etc
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celticdog
GP Hero
Posts: 1,705
Main bike:
FZS600 98-99
Re: Cracks on center line of tyre
«
Reply #7 on:
15 October 2015, 07:48:20 pm »
Interesting, are they nitrogen or air filled?
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Treat everything in life the way a dog would- if you can't eat it or foc it, forget it.
joebloggs
GP Hero
Posts: 1,566
Main bike:
FZS600 00-01
- ZX9RE1
Re: Cracks on center line of tyre
«
Reply #8 on:
15 October 2015, 07:50:50 pm »
I had a rear tyre crack, but was due to heavy load and high speed, lost several chunks off rubber from the centre but stayed inflated. If you start getting unusual vibration I'd be stopping pretty quickly
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Complete fabrication, I didn't make it up!
NorthWestern
GP Hero
Posts: 1,028
Main bike:
FZS 1000 Gen1
Re: Cracks on center line of tyre
«
Reply #9 on:
15 October 2015, 08:02:06 pm »
Dried exhaled pixie breath... Hopefully they won't get worse.
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limax2
Creep.
GP Hero
Posts: 1,929
Main bike:
FZS600 00-01
Re: Cracks on center line of tyre
«
Reply #10 on:
15 October 2015, 08:29:53 pm »
I'll be getting the magnifying glass on my PR3's tomorrow! Apart from the regular centre line crack there seems to be lots of little cracks on either side of the big one.
A couple of years ago I had a rear Avon Storm break-up on me for no apparent reason and as Dazza said you then loose confidence in them.
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NorthWestern
GP Hero
Posts: 1,028
Main bike:
FZS 1000 Gen1
Re: Cracks on center line of tyre
«
Reply #11 on:
15 October 2015, 08:39:51 pm »
I've had a few pr3's on in the last year and they have been fine. Same route, time, speeds etc.
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celticdog
GP Hero
Posts: 1,705
Main bike:
FZS600 98-99
Re: Cracks on center line of tyre
«
Reply #12 on:
15 October 2015, 10:58:42 pm »
Mr Spock thinks your tyres might not be properly vulcanised . . . seriously depending on where you get your tyres-small dealer etc, they may have been stored for a year before they're sold, rubber will degrade with time.
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Treat everything in life the way a dog would- if you can't eat it or foc it, forget it.
NorthWestern
GP Hero
Posts: 1,028
Main bike:
FZS 1000 Gen1
Re: Cracks on center line of tyre
«
Reply #13 on:
15 October 2015, 11:14:39 pm »
I get them from oponeo. I had a poke about and they look like cold tears. They are all angled (from surface inward) at around 45 degrees rather that straight to the center of the tyre and don't go the full depth of the tread.
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NorthWestern
GP Hero
Posts: 1,028
Main bike:
FZS 1000 Gen1
Re: Cracks on center line of tyre
«
Reply #14 on:
15 October 2015, 11:30:33 pm »
They were made the 13th week of 2015 so nice and fresh when I put them on
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stevierst
GP Hero
Posts: 2,940
Main bike:
FZS 1000 Gen1
- XSR900
Re: Cracks on center line of tyre
«
Reply #15 on:
16 October 2015, 09:38:58 am »
Just thought about cold tearing too, now the temps have dropped a bit.
Had a continental contimotion go the same way when I first fitted it. As it was only the very surface that was splitting I just kept an eye on it, and manged to wear the tyre out without it getting worse.
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Stop polishing it and ride the bloody thing!!
Punkstig
GP Hero
Posts: 2,191
Main bike:
FZS600 02-03
Re: Cracks on center line of tyre
«
Reply #16 on:
16 October 2015, 02:51:42 pm »
I'd point towards cold tearing but looks like you got there before I could post!
Check your pressures and give it five minutes before giving it a handful!
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Some say...
NorthWestern
GP Hero
Posts: 1,028
Main bike:
FZS 1000 Gen1
Re: Cracks on center line of tyre
«
Reply #17 on:
16 October 2015, 03:12:21 pm »
yeah will keep an eye on it but I think it will be fine. On the plus side I did notice my rear wheel bearings need replacing. These things never happen in the summer months. Joy.
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dazza
GP Hero
Posts: 2,424
Main bike:
FZS 1000 Gen1
- MT10
Re: Cracks on center line of tyre
«
Reply #18 on:
16 October 2015, 03:15:03 pm »
Just a thought but I as I understood it the GT version was more suited to a dedicated tourer type bike like the FJR. Something to do with a stiffer carcass or something, not that it is the reason for the cracks. Just an obversation.
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NorthWestern
GP Hero
Posts: 1,028
Main bike:
FZS 1000 Gen1
Re: Cracks on center line of tyre
«
Reply #19 on:
16 October 2015, 03:17:17 pm »
Yeah, I ordered a regular one but they sent a GT. I only noticed after fitting so didn't bother sending back etc To be honest it feels the same but then again I have only commuted on it.
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stevierst
GP Hero
Posts: 2,940
Main bike:
FZS 1000 Gen1
- XSR900
Re: Cracks on center line of tyre
«
Reply #20 on:
16 October 2015, 04:05:22 pm »
My bro-in-law has used both the gt and the standard one in his Tuono, he said it was only wear rate that separated them. Didn't get any splitting in either of them though.
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Stop polishing it and ride the bloody thing!!
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