1987 1988 1989 1990 PETCOCK VACUUM VALVE BY-PASS KIT

Part Number: 21-10

PETCOCK VACUUM VALVE BY-PASS KIT - Part Number 21-10
Ever been going down the road and your bike sputters and quits, leaving you in the middle of nowhere? It happens when your diaphragm on your petcock ruptures. Now you can forget about it! Install the bypass kit -- no more diaphragm. Comes with instructions and all necessary parts. Import Petcock Information Petcock openings in our tanks are either 3/8" or 1/4" NATIONAL PIPE THREAD, the same thread used in iron water pipe. The actual size of the hole in the tank is approximately 3/4" for the 3/8" NPT and 1/2" for the 1/4" NPT. Pipe thread is used because the thread is designed to seal against leakage as the petcock is screwed into the tank. It is not possible to screw the petcock all the way in flush with the gas tank. 1987 1988 1989 1990

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