Description:

[ ] Carburetor Main Jet Kit Replacement for most Chinese scooters, ATVs, and Karts with 125cc,150cc GY6 motors.. [Easy to use] When tuning your carb and trying to get the air/fuel mixture dialed in, start with a larger jet than you think you need and then work your way down in small increments, so that you don't go too lean and risk damaging your engine.. [Jet Size] Size of main jets: 100, 105, 108, 110, 115, 120, 125, 130, 135, 140. Size of slow pilot jets: 32, 35, 38, 40, 42, 45, 48, 50, 52, 55. and aftermarket item..