Bought a new pitpro lxr 160-r , did the cylinder, head & carb trick to it. Engine - YX160 w/184cc cylinder/short skirt hi comp. piston kit and V2 roller rocker head kit Carb - Mikuni TM28 flat slide w/ rear facing intake and uni filter Pipe - 32mm big bore (stock), no spark arrestor or silencer installed Elevation - 1,305 ft above sea level Riding weather temp. - 80 to 95 degrees Farenheit Fuel - 91 octane premium unleaded, toulene can be added to the gas to boost the octane higher if needed Riding Style - Mainly trails, some flat-track, some motarding. Was wanting to know what: main jet size - pilot jet size - fuel screw setting - recommended octane - thanks for any input, greatly appreciated.