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Tire Wear |
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05-07-2008, 10:56 AM
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#1
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"We got a runner!"
Jimmy is offline
Join Date: May 2005
Location: Long Island, NY
Posts: 483
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Tire Wear
Tire has 1 day on it at Summit Main. Started the day at 30 psi hot.
Is it the suspension or me?  |
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05-07-2008, 11:00 AM
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#2
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sponge mike square pants
Mike295 is offline
Join Date: May 2005
Posts: 1,747
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ok thats some weird ass wear. That looks to me like suspension. I dont know shit but it looks to me the ride hight has something to do with it. seems to be spining up when you are upright.
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[Today 09:17 AM] Cakes206: Miss one comma, all of a sudden become gay lmao
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[Today 12:54 PM] Ant: omg it made me want to be illiterate
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05-07-2008, 11:09 AM
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#3
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Meatball's Daddy
NYCSTRIPES is offline
Join Date: Oct 2005
Location: Queens, NY
Posts: 1,754
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Looks to be a rear suspension issue to me as well. I don't know what the weather was like for you on Monday but the pressure also seems a bit low. I run Metzeler Racetecs at 32PSI cold and they were terrific all season except in colder weather where I would drop them to 30PSI cold.
I don't know what happened to this website, but maybe its down for maintenance.
Catalyst Reaction. Great pictures of tire wear and the probable causes.
www.feelthetrack.com
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2003 TL1000R #489 
1998 Valkyrie cruiser
No man's life, liberty, or property are safe while the legislature is in session....-Mark Twain
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05-07-2008, 11:20 AM
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#4
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Skid Mark
wcrbikemike is offline
Join Date: Jun 2005
Location: Somewhere in Jersey
Posts: 439
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As mentioned it is most likley suspension. I have done that to two tires already this season. One at Summit Main and the other at VIR Full. Nedless to say my suspension is off the bike and getting a full overhaul as we speak. You may be sprung to soft and have the rebound set to fast. Were you getting the bike dancing around under you on high speed turns?
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05-07-2008, 11:28 AM
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#5
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"We got a runner!"
Jimmy is offline
Join Date: May 2005
Location: Long Island, NY
Posts: 483
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Quote:
Originally Posted by NYCSTRIPES
Looks to be a rear suspension issue to me as well. I don't know what the weather was like for you on Monday but the pressure also seems a bit low.
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Ken... this was at the end of last season. Just trying to decide if I need to upgrade the suspension. The 30 psi hot is what I hear Pirelli suggests.
Quote:
Originally Posted by wcrbikemike
Were you getting the bike dancing around under you on high speed turns?
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Only thing noticeable was that I was getting a lot of tire spin coming out of turn 9. |
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05-07-2008, 11:31 AM
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#6
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Super Moderator
Ripp53 is offline
Join Date: May 2005
Posts: 297
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use to work for a big tire man. and you never check air presure hot. thats way to low when it's cold. you might have miss heard i could beleave 30 cold.
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05-07-2008, 11:37 AM
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#7
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The Solution
Cakes206 is offline
Join Date: May 2005
Location: New Joisey
Posts: 8,105
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Quote:
Originally Posted by Ripp53
use to work for a big tire man. and you never check air presure hot. thats way to low when it's cold. you might have miss heard i could beleave 30 cold.
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Pirelli is saying to set the psi hot now, past 2 years or so(which I still don't get but oh well.)
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Last edited by Cakes206; 05-07-2008 at 11:42 AM..
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05-07-2008, 11:41 AM
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#8
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carl_g is offline
Join Date: May 2005
Location: nj
Posts: 1,947
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Nice chicken strips james!
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05-07-2008, 11:52 AM
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#9
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Super Moderator
Ripp53 is offline
Join Date: May 2005
Posts: 297
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Quote:
Originally Posted by Cakes206
Pirelli is saying to set the psi hot now, past 2 years or so(which I still don't get but oh well.)
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kind of stupid because yourout on the track then you have to come in and ajust your tire presure then go back out.if they r says 30 out they must be setting it at 23 to 25 psi cold. |
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05-07-2008, 11:54 AM
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#10
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Brian's Daddy
Chris is offline
Join Date: Aug 2005
Location: FEASTERVILLE PA
Posts: 354
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The track had fresh pavemant last year,everyones tires looked like that.
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05-07-2008, 11:54 AM
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#11
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Tech Nazi
RCM78 is offline
Join Date: Jul 2005
Location: Jackson NJ
Posts: 1,263
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Quote:
Originally Posted by Ripp53
kind of stupid because yourout on the track then you have to come in and ajust your tire presure then go back out.if they r says 30 out they must be setting it at 23 to 25 psi cold.
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Not if your using warmers...
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05-07-2008, 11:58 AM
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#12
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Tech Nazi
RCM78 is offline
Join Date: Jul 2005
Location: Jackson NJ
Posts: 1,263
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Jimmy, It may be suspension but most likely it's your throttle hand.
Looks like your picking the bike up off the corners and wacking the throttle open. Try to crack the throttle open and roll it open throughout the corner.
My tires used to look like that. I refined my throttle application and they now look smooth.
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Skill is overrated I'll take HORSEPOWER!!!
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TPM Coach #71
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05-07-2008, 12:24 PM
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#13
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"We got a runner!"
Jimmy is offline
Join Date: May 2005
Location: Long Island, NY
Posts: 483
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Quote:
Originally Posted by RCM78
Jimmy, It may be suspension but most likely it's your throttle hand.
Looks like your picking the bike up off the corners and wacking the throttle open. Try to crack the throttle open and roll it open throughout the corner.
My tires used to look like that. I refined my throttle application and they now look smooth.
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I am spinning the tire so that is probably the case. I've had that problem in the past but thought I cured it. I'll have to make more of an effort to roll on smoother... and earlier! |
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05-07-2008, 12:31 PM
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#14
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Meatball's Daddy
NYCSTRIPES is offline
Join Date: Oct 2005
Location: Queens, NY
Posts: 1,754
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Jim
Have a look at the pics on this site. Dan found it last year from a vendor at the bike show.
Just a guess but the tire looks like a split between hot tearing and shock spring tearing.
Hopefully this may help sort things out.
http://www.feelthetrack.com/tire-wear.html
__________________
2003 TL1000R #489
1998 Valkyrie cruiser
No man's life, liberty, or property are safe while the legislature is in session....-Mark Twain
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05-07-2008, 12:55 PM
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#15
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carl_g is offline
Join Date: May 2005
Location: nj
Posts: 1,947
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Quote:
Originally Posted by NYCSTRIPES
Jim
Have a look at the pics on this site. Dan found it last year from a vendor at the bike show.
Just a guess but the tire looks like a split between hot tearing and shock spring tearing.
Hopefully this may help sort things out.
http://www.feelthetrack.com/tire-wear.html |
Nice website!
If you look at them closely and compare to Jimmy's tire none of them really match.
Both cold tear and shock spring tear have the tears running vertically on the tire. Jimmy's tire shows it balling up in a horizontal pattern.
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