In the dry 15mm washers on front if too grippy reduce to 10mm.  Rear out to 1395mm.  Sprocket will depend on how much speed you can carry through bends especially turn 1 and 2.  Try 12 on front and 80 on back, look to achieve approx 13,300 revs before braking at Xmas corner (turn 3) it's the longest straight and up hill !  If you get through turn 1 and 2 flat then you maybe able to take off a tooth or two on the rear.  If you struggle to get the target revs then add a tooth or two on the rear.  Power valve out approx 5mm.  The jet will vary on many factors but try a 162 and needle on p2 if the engine misfires at full throttle you maybe too lean.  As mentioned on your other post  approx tyre pressures 10psi.
  Ok
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