No... I would replace the line, use a safety razor and try to make a straight cut when you cut your new fuel line. Once you've replaced the fuel line push the male end of the plug in and see what happens. The Plug should be snug in your fuel line. If it leaks at the plug, I would use a fater male plug.

When you bought your plug, I'm sure it came in different sizes? Use a thicker male end Plug and change that part of the fuel line and see what happens.

I've had problems with plugs leaking in the past... after a while the fuel line weakens (from pluging and unplugging) resulting in leaks.

I use Kwik-Fill, they seem to be better. It just takes a bit of maintenance if I store my plane for a while. I have to squirt After Run Oil or Castor Oil in the Kwik Fill to keep the spring and gasket from sticking.

http://www3.towerhobbies.com/cgi-bin...&I=LXD745&P=ML

http://www.horizonhobby.com/Products...?ProdID=DUB334

Hope that fixes you problem.