As salam bro, mase moto aku layan block std dulu, spec dia block std, cam lhk no 2, valve std, sv cms, coil uma, plug iridium, cdi brt smartclick degree 37 rpm 14k dual band sentiase on, carb uma 28mm mj 105 pj 35 angin 1.5 turn...memang takde bobok dari throttle 0 to 100 opening, start enjin...