Petcock replacement - KawiForums - Kawasaki Motorcycle Forums
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post #1 of 3 (permalink) Old 04-13-2017, 03:37 PM Thread Starter
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Petcock replacement

Hi, anyone have any suggestions for a non-vacuum petcock to replace the stock dribbler on an '81 KZ1100A ?
Thanks in advance.........
riderfrom63 is offline  
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post #2 of 3 (permalink) Old 04-13-2017, 05:15 PM
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It will probably cost less to buy an aftermarket petcock, maybe in a Harley oriented catalog- it does not really matter if the wrench and thread sizes are metric or American. I would not trust an old one from a junkyard.

It would be best to take the old petcock off to get the size of the hole in the gas tank, but the new one can be made to fit a larger hole with stainless steel fender washers and a tube of gas-proof gasket maker or a car gas tank repair kit to seal the edges.
ZZR600-2008 is offline  
post #3 of 3 (permalink) Old 05-07-2017, 02:41 PM
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I leave the petcock on all the time- if there is a leak I hopefully find it while the bike is parked, instead of getting stranded somewhere and maybe getting fuel in the oil while riding, and turning the petcock on and off every time you ride wears it out faster.

I question someone if they buy a rebuild kit for a failed petcock- it takes time to rebuild it, and you are going back to the same design that failed before. This might be best if you have an antique that will lose value if not completely stock.

A cautionary tale- if you add a bigger, better fuel filter, make sure it does not touch the petcock, so any vibration between the filter and the petcock will not damage the petcock and make it leak (been there, done that).

Last edited by ZZR600-2008; 05-07-2017 at 02:46 PM.
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