Carburetor Rebuild Kit Comes with diaphragms, gaskets and hardware to rebuild carb. does not come with needle and seat. If you are not sure what size Carburetor you have you can measure the ID of bottom of carb.
# 12-1455 Fits Mikuni Carburetor BN 34,38, 44mm with a (round pump) old style carb. Kawasaki 300JS 86-91, 550JS 82-90,