BST40-251 Mikuni Rebuild Kit Polaris 500 Sportsman/Scrambler/ATP

Description

Mikuni MK-BST40-251 Carburetor Rebuild Kit for the following Polaris 500cc Sportsman, Scrambler and ATP Models listed in the kit contents picture.

This Mikuni rebuild kit is designed to replace multiple internal items including the float valve, throttle slide rubber diaphragm, internal gaskets, and clips as well as new external items such as adjustment screws and springs.

Please note that due to jet variations, this kit does NOT include any Main Jets or Pilot Jets.