Fits most scooters, ATVs and Karts with 125cc,150cc GY6 motors For PWK, CVK, PE type carburetor, OKO, KOSO, Stage-6, Polini ….etc NOTE: Not for CV ,VE, CVK above 30 mm carburetor Thread Size: Main Jets M5x0.80, Pilot Jets M6x0.75 Package list: 10 pcs Carburetor Main Jet, 10 pcs Slow/Pilot Jet Compatibility: Fits most scooters, ATVs, and Karts with 125cc,150cc GY6 motors Also for PWK, CVK, PE type carburetor. OKO, KOSO, Stage-6, Polini ….etc Slow/Pilot for Keihin PWK type CVK type PE etc. carburetor Carburetor Main kit for 150cc and 125cc GY6 carburetors NOTE: Not for CV ,VE CVK above 30 mm carburetor Dimensions: Main Jets Thread Size: M5 x 0.80 Overall Length: 8mm Pilot Jets Thread: M6 x 0.75mm 28mm total length with a 5mm round head Package list: Totally 20 pieces, including the following sizes: 10 pcs Slow/Pilot Jet: #32, #35, #38, #40, #42, #45, #48, #50, #52, #55 10 pcs Carburetor Main Jet: #100, #105, #108, #110, #115, #120, #125, #130, #135, #140 1 piece for each size Tips: Please kindly check the models and pictures provided to ensure fitment. If you are not sure, please email us firstly.