rusty Posted March 10, 2010 Report Share Posted March 10, 2010 dont forget abouth the heating cycle.after every time you run your tires the tires get harder after they cool of.not good choice run same tires on the street and track. Quote Link to comment Share on other sites More sharing options...
Cbosman Posted March 10, 2010 Author Report Share Posted March 10, 2010 So I checked my tire pressure, 34psi front and 38psi in the back. My understanding is that the front should run higher not the back. Well I changed it to 31/31. Slight adjustment on the rear suspension and we have a world of difference. Still gonna have a pro set up the suspension come next month or so. Thanks again guys. Quote Link to comment Share on other sites More sharing options...
redkow97 Posted March 10, 2010 Report Share Posted March 10, 2010 I also run Qualifiers (although I did 2 seasons on Pilot Powers). I feel the Qualifiers are kind of in between the regular PP's and the 2CT's.at a mid "I" pace, my next set of tires might be Dunlop 209's, but i have to burn through another Qualifier rear before my front is anywhere near gone.30/30 is just a starting point for TRACK use. I keep pressures more like 34/36 on the street, and sometimes higher (with sport touring tires) Quote Link to comment Share on other sites More sharing options...
bigd Posted March 13, 2010 Report Share Posted March 13, 2010 So, I keep reading in Motorcyclist and such that they'll put on a wider tire than factory to get a higher peak and quicker turn-in...any thoughts on this practice? Quote Link to comment Share on other sites More sharing options...
garysol1 Posted March 13, 2010 Report Share Posted March 13, 2010 Wider or taller? A taller tire will effectively raise the rear ride height and make for quicker turn in. I just ordered a 190/55 to replace my 190/50 for this very reasonSo, I keep reading in Motorcyclist and such that they'll put on a wider tire than factory to get a higher peak and quicker turn-in...any thoughts on this practice? Quote Link to comment Share on other sites More sharing options...
bigd Posted March 13, 2010 Report Share Posted March 13, 2010 ah, cool. aspect ratio, not width...thanks. Quote Link to comment Share on other sites More sharing options...
Moto-Brian Posted March 13, 2010 Report Share Posted March 13, 2010 Wider or taller? A taller tire will effectively raise the rear ride height and make for quicker turn in. I just ordered a 190/55 to replace my 190/50 for this very reasonNot necessarily... On the newer crop of bikes, you raise the fronts and lower the rears adding trail...The idea behind wider tires is due to power put on the ground. AMA guys are running 60-65 sidewalls with a Dunlop 190 rear...There are no two tire types or sizes that are always the same. No industry standard if you will... A 190 from one company may be more narrow that another...Not sure on your RC, but if you raise the rear (old school idea) on a newer generation bike, you're making things tougher on yourself. Quote Link to comment Share on other sites More sharing options...
garysol1 Posted March 13, 2010 Report Share Posted March 13, 2010 Not necessarily... On the newer crop of bikes, you raise the fronts and lower the rears adding trail... my brain is not quite wrapping around this idea. I need to think on this one for a bit. I need to do some googling to find an explanation .... Quote Link to comment Share on other sites More sharing options...
bigd Posted March 14, 2010 Report Share Posted March 14, 2010 FYI, garysol1...I checked myself making sure I wasn't crazy....pg. 94 of the most recent motorcyclist "I first swapped the stock rubber for fresh Dunlop D211 GPs: a 120/70ZR-17 front and 200/55ZR-17 rear. The fat rear is 1.25 inches taller than the original-equipment skin". A little googling tells me the stock size for the 2009 R1 is a 190/55ZR-17 rear. So, I guess my original question was accurate... Quote Link to comment Share on other sites More sharing options...
Moto-Brian Posted March 14, 2010 Report Share Posted March 14, 2010 my brain is not quite wrapping around this idea. I need to think on this one for a bit. I need to do some googling to find an explanation ....Trust me... Ask me how we know this stuff...Your bike may be different, but a modern R6, GSXR anything, etc are going to need to add trail to turn better and be ridden harder through turns.As for wider tires, until you can get through a turn fast enough to warrant extra meat, you're simply wasting money and making the bike work harder. Again, AMA guys running 190s on 600s are doing it since they tend to carry more corner speed than average guys do... Quote Link to comment Share on other sites More sharing options...
attackpainter Posted March 14, 2010 Report Share Posted March 14, 2010 Most every ama superbike runs a 200/55 and the supersport/sportbike classes use 190/55's. Brian is 100% correct in case of raising the front and dropping the rear. No two tire brands sizes will carry the same suspension set up required. ie; michelin uses a triangular profile ad a pirelli or bridgestone or dunlop has a much more rounded profile Quote Link to comment Share on other sites More sharing options...
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