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Thread: Track day tyre wear

  1. #1
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    Track day tyre wear

    The rear tyre is a Michelin Pilot Power. It has done around 600km since new. The front tyre is a Michelin PP3. It has done around 1,000km since new. Both tyres had their first track day yesterday, and I want some opinions on the tyre wear based on the pics. For the track, I put 31psi (cold) in the rear, and 32psi (cold) in the front. Usually on the street I run 38/36 rear and front, respectively.

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  2. #2
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    Click the pics to make them bigger.

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  3. #3
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    Not big on washing your bike then?

  4. #4
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    Quote Originally Posted by nzspokes View Post
    Not big on washing your bike then?
    I do wash it sometimes, but it's just going to get another maggot infestation next time I ride it out to Akaroa anyway. The brake dust from the track day doesn't help either.

  5. #5
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    Quote Originally Posted by SMOKEU View Post
    The rear tyre is a Michelin Pilot Power. It has done around 600km since new. The front tyre is a Michelin PP3. It has done around 1,000km since new. Both tyres had their first track day yesterday, and I want some opinions on the tyre wear based on the pics. For the track, I put 31psi (cold) in the rear, and 32psi (cold) in the front. Usually on the street I run 38/36 rear and front, respectively.

    Click image for larger version. 

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    Click image for larger version. 

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    http://biketrackdayshub.com/motorcycle-tyre-wear-guide


    If you have a raised area on either the leading or back edge of the tread, this is a strong sign that rebound damping on the forks or shock is set either too fast or too slow. Usually if it's on the leading edge rebound is too slow, and if it's on the back edge it's too fast.
    Suggest a little more rebound on the rear....

  6. #6
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    Looks ok to me. Be easier to tell if you were pushing a bit and leaning it over. Hehehe.

  7. #7
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    Did you go round any corners or was this on a drag strip?

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  8. #8
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    Quote Originally Posted by Drew View Post
    Looks ok to me. Be easier to tell if you were pushing a bit and leaning it over. Hehehe.
    Quote Originally Posted by cowboyz View Post
    Did you go round any corners or was this on a drag strip?
    I was doing circuits around Ruapuna. I wasn't pushing it hard because I'm still a n00b and don't feel like crashing. I'm just after feedback from more experienced track day riders regarding my tyre pressures and suspension setup, based upon the pics.

  9. #9
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    Quote Originally Posted by cowboyz View Post
    Did you go round any corners or was this on a drag strip?

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    Irony. A guy who is as slow as a wet week, giving shit to another guy about being slow.

    Quote Originally Posted by SMOKEU View Post
    I was doing circuits around Ruapuna. I wasn't pushing it hard because I'm still a n00b and don't feel like crashing. I'm just after feedback from more experienced track day riders regarding my tyre pressures and suspension setup, based upon the pics.
    Tyres look fine to me. Most people who know these things, would need to have a bounce on the bike to best advise on what to do.

    I'd say go up a couple PSI in the rear next time is the only advice I have.

  10. #10
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    Quote Originally Posted by Drew View Post

    Tyres look fine to me. Most people who know these things, would need to have a bounce on the bike to best advise on what to do.

    I'd say go up a couple PSI in the rear next time is the only advice I have.
    I actually wouldn't mind having a "good" rider, ideally a racer who also has a fair bit of road experience to have a go on my bike at Ruapuna and make adjustments from there. I'll try 33psi on the rear next time and see if it feels much different.

  11. #11
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    Oi. I had to go get a whole new set of leathers to look good cause when your this slow people have time to see you go by so it pays to look ya best

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  12. #12
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    Generally speaking i think alot of people run too low pressure on track on road tyres thinking they act the same as race tyres

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  13. #13
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    Quote Originally Posted by SMOKEU View Post
    I actually wouldn't mind having a "good" rider, ideally a racer who also has a fair bit of road experience to have a go on my bike at Ruapuna and make adjustments from there. I'll try 33psi on the rear next time and see if it feels much different.
    Get your weight over the front a bit more when cornering too, it'll help with the chicken strips and should give you more confidence in the grip there.

    Dunno about the 600, but the SRAD750 is the only bike that Ohlins have ever made a new 'dogbone' linkage for. The rate of change was that bad on them...Maybe worth looking into to see if the 600 is as bad.

  14. #14
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    Quote Originally Posted by Drew View Post
    Looks ok to me. Be easier to tell if you were pushing a bit and leaning it over. Hehehe.
    We went around the outside of him into T1, he was riding pretty conservative

    Dunno about the bike guys we were passing but I was having fun
    "If you can make black marks on a straight from the time you turn out of a corner until the braking point of the next turn, then you have enough power."


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  15. #15
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    Getting someone else to ride your bike to set it up will do 5/8th s of fuck all. It will set the bike up how they ride it not to how you ride it

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