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Vacuum Petcock

90FXRS

Junior Member
Contributor
How do you get around the vacuum part of the petcock? Meaning instead of the "stock" style of petcock can an old-style be put on the bike? This is on a 1998 FXSTC
 
Yes old style petcock will work just ensure that you eliminate or block the vacuum pipe to the petcock as often it is a t off the pipe to the voes

Brian
 
If not in the habit of turning off the petcock after every ride, going to a standard one can lead to a fuel incident. The vacuum style shut them selves off. so if the needle valve were fouled or a float issue occurs. The standard one when not shut off will drain the tank. Be sure and turn it off.
 
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