42 long traveling stints or high speed runs - for better milage, longer wear and stability
34-36ish the rest of the time and for fun
29-30ish on track for heat, sticky, and grippy
my unscientific opinion is the street is not as smoothor pedictable as the track thus requiring a little more cushion against varying surfaces. hats off to Roy running track PSI on the street, but with the weight of the busa and varying surface, I feel it's too wallowy
I have no ligit reason for 42 on high speed runs, just feels better to me. better rolling [not so good traction getting to speed maybe], proper cushion against surface abnormalities, proper tire cooling, solid form for higher speed spinning - less deformation, less surface friction slowing you down, and the people that designed a 200mph street bike recommend it .... all comes to mind. I asked the record breakers in the other forum but no one really had solid evidence for any particular PSI for high speed runs
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