No problems whatsoever with mine. So far 3.1 capacity has been fine for my use, however I do have a kolpin can for longer trips if that should ever happen. The original tank was just too small, and I did not want to carry a gas can regularly.
Another inmate stole my Avatar...
WR250R... 15 cubic inches of raw power.
xr50r.... More than I can Handle
Oil changed @ 14300... filter next