Pit Bike Replacement Carburetor 15mm Honda Z50 (72-99) Z50R (79-99) Z50A (72-78) [4214-A2] 50 Caliber Racing 15mm Replacement Carburetor for Honda Z50 Pit Bikes 1972-1999 Intake Diameter: 15mm - Air Filter Mount 28mm - Bolt Hole Space 32mm - Hand operated choke Brand new - 30 Day Warranty - Free USA shipping! Fits: Z50 (1972-1999), Z50R (1979-1999), Z50A (1972-1978)