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zxsixter

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Posts posted by zxsixter

  1. Were Do You Guys Set Up Your School Bikes?

    in School Questions/General Discussion

    Posted

    I'm gona be doing my 1st track day in less than a month.. So I figured I start to get the suspension dialed in.. I ride an 08 zx6. All stock, with a GPR stabilizer added. How would you recomend setting the front and rear suspension for a 6' tall 145lb rider. I consider myself a fairly agressive rider? I know there are many variables to take account for but seeing you guys seem to use the same bikes I thought maybe you might have a good starting point for me..

     

    Thanks in advance..

  3. Strange Sensation?

    in Cornering and Techniques

    Posted

    I know your problem well. The deal is that it's the wear of the tire. The flat part one aquires during use changes the shape of the tire. When you get past the flat patch, and standard wear that occurs when you do slow or frequent cornering, the tire acts differently. When you're on the outer edge, that part doesn't have contact much, so it's still shaped for what the tire is designed to do. Smooth lean.

    I LOVE new tires because the bike rolls where ever I want to go, and easily. Takes a few corners because it's such a smooth transition to lean that it kind of freaks me out, and gives me the feeling that I'm "rolling over an edge." I'm sure, judging by your pic, that you are familiar with tire slippage. It feels completely different. That rolling feeling is also something that I forget when it's been a while since I've mounted some new rubber. Now I want some new tires.

     

    Thanks Guys... This sounds like this could be the case... I'll know for sure June 17th when the PP race mediums go on and attempt my first track day.. I cant wait..

    So with all your guys experience should I have another set of tires ready to mount up after a track day? or should the PPR tires last another 1000 miles of street riding after the fact? Im a total newb to this, Ive only been riding for 8 months on the street. (All my life in the dirt though..)

  4. Strange Sensation?

    in Cornering and Techniques

    Posted

    I've used those tires a lot and I like them. I have an '06 gsxr-600. I've also used the same tires on a YZF600R.

     

    How worn out are they? I've found that on any tire, if I use them on the street a lot, there's a certain lean angle I'm comfortable with on the street, and the profile of the front tire eventually develops a flat spot at that lean angle, which messes with the handling. When at that lean angle that's using the flat spot, the contact patch is wide, and that makes the bike want to stand up, but then when it gets passed that angle, the contact patch is narrow again, and that makes the bike want to lean down more. Seems like what you are describing. Even though my rear tires usually wear out twice as fast as the fronts, I usually replace the front tire with the back for this reason.

     

    If you are used to some other tire then it could be the profile. They do make the steering feel a little different from other tires but I never had the feeling of it about to lowside. You didn't answer what pressure you are running. I run them about 30 on the track, but sometimes a lot higher on the street.

     

    I wonder if your problem might have something to do with suspension? Cornering forces will cause your suspension to compress. Maybe you should try increasing the preload on the front. Have you ever checked the sag?

     

     

    The tires were surprisingly low.... 25psi cold f&R.. <_< I bumped them up to 30psi and it seemed to help very little... The tires are fairly worn... (Will be changed for the pp race med f&r for my 1st track day this spring...) Heres a pic of the tire..

     

     

    tire.jpg

     

     

     

     

     

    Here is a good pic of roughly the angle Im at when the sensation occurs?? Im wondering if its me starting to hang onto the bars a little to tight and giving it some bad input??????

     

     

    IMG_55633.jpg

  6. Strange Sensation?

    in Cornering and Techniques

    Posted

    Im new here... But was hoping to get some good feedback to what Im feeling..

    Slightly before my knee touches down, the bike feels like the both tires are rolling over an edge? or hitting a diffrent angle on the tire? (PP's) ..Almost like it starts turning in faster at a certian point.?? Kinda hard to explain I guess. Its pretty nerve racking at times.. Im not sure if the tires are about to give out or what? And thats my main concern, that im at the verge of a lowside. Is this a normal feeling? Im hanging off as far as possible, im as loose as i can make myself so i know its not input on the bars. Its definetly something at a certain lean angle??

    I know this is a prety vauge question but any help would be great to ease my mind..

    Oh ya bike is a 08 zx6...

     

    Thanks Again

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