race go kart shifter dellorto main jet set 23pcs 60cc mini max bambino pghb18 carb 75, 76, 77, 78 , 79, 80, 81, 82, 83 , 84, 85 , 86, 87 , 88, 89, 90 , 91, 92, 93, 94, 95, 96 , 97