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Old 09-04-2012, 02:59 PM   #35
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Joined: Jan 2011
Location: Summer: Kemiö, Finland; Winter: North Germany
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There isn't any recess in my tank body either!

There shoukd be a rubber seal inserted around the oval shaped upper base, (sorry for my english), of the petcock, That rubber seals the petcock to the gas tank, the surface of tank should therefor be very even were the petkock is attached.

When the base of the petcock is sealed at the "outer edge" there is no seal where the screws go through, therefor the petcock leaks if you haven't mounted oil seals.
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