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Genuine Mikuni HSR42 and HSR45 carburetor rebuild kit with the parts needed to rebuild worn or mistreated HSR carburetors. This kit includes the common service components needed to freshen up your carb and get it back in proper working order.
Fitment: Fits Genuine Mikuni HSR42 and HSR45 carburetors.
Includes top cover gasket, jet needle with E-ring and washer, throttle valve seal, pilot air O-ring, fuel joint O-ring, accelerator pump O-ring, needle valve O-ring, needle valve retainer screw, needle valve assembly, float bowl O-ring/gasket, overflow hose, float bowl screws, and accelerator pump rod boot.