Fuel Tank Vent

Found that the tank was becoming pressurized while the engine was running. Drilled hole in cap and fitted a breather pipe to connect to a flexible tube. Used special epoxy to seal breather tube as well as the threaded connection between the fuel tank and male fuel filler (where the cap mounts on to). This is an attempt to reduce pressurization of the tank and fuel being pushed out of the spots where there is air leakage.

Modified fuel cap.
Fuel being pushed out where there is air leakage in tank.