Carburetor Body

To clean the idle tube (28) and idle feed hole, blow through the tip end. Do not use drills in end of tube or in small feed hole at bottom.

Clean the nozzle (29) bleed holes with a #54 drill (.055) and the main passage with a #17 drill (.173). Clean the high-speed needle seat holes with the exact drill size specified below for the particular carburetor being worked on.


Drill Size

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