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I believe I have found a fix for leaky petcocks. I tried this on the tapered style. I do not know how long it will work but for a day now no leaks at all. This petcock leaked from both ends of the taper and probably did not shut off all that well.
This is what I did.
I disassembled it and cleaned it well.
I put grinding compound on the male part and put it in the female part and twisted it for a minute or so.
Then I cleaned off all of the compound, at this point the finish was rough and really looked hopeless.
I mixed up some Form A Thread and smeared it on the male piece. I put the release compund inside the female part of the petcock, pushed the two together hard and twisted it about two revolutions untill it got real tight.
I left it alone for 10 minutes and then reassembled the spring, washer and pin.
It is very hard to turn on and off and I had to use channel locks to move it. I added some oil in it and put it on the bike.
It is still hard to turn on/off.
Since this is the reserve petcock I'm not too worried about it, but I will be watching it closely to see what happens.
When I get a new replacement, I will use it a lot to see how it behaves.
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