QMB139 GY6 50cc
S23 PWK Main Jet kit
$ 19.99
S23 Brand main jet kit, for PWK, OKO, Polini CP, Keihin, Stage6, ETC!
100-118 Range includes : 100 / 102 / 105 / 106 / 108 / 110 / 112 / 114 / 116 / 118
or choose 120-138! HERE