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Showing results for tags 'helicoil'.
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Three of the threaded holes for the air horn mounting screws were stripped by a previous owner. The screws are 10-24 RH so I ordered a Helicoil kit from McMaster-Carr, kit part number 91732A914. I wasn't sure at first whether it would be wise to change over to fine threads, but some online research told me that fine threads would be wrong for a soft metal like aluminum (too easy to strip) so I stuck with 10-24. Only other considerations were to remove the float and drain the gas out of the bowl (which I sucked out with a syringe) before drilling to avoid starting a fire and to mask off the carb body to avoid chips falling into the carb. Problem solved. I helicoil'd all four holes and I replaced the screws with allens because one of my originals was mismatched and I couldn't find the right style at the hardware store. . Finished...
