Genuine Mikuni Carburetor Rebuild Kits contain an assortment of critical parts which may include gaskets, diaphragms, seals, hardware, and more. This kit contains parts needed to rebuild one Mikuni HSR42 or HSR45 Flat Slide Performance Carburetor with a 2.3 needle valve assembly for use with a fuel pump.

Applications:

• Fits Mikuni HSR42 Carburetor (Part # TM42-6) with 2.3 needle valve
• Fits Mikuni HSR45 Carburetor (Part # TM45-2) with 2.3 needle valve