YAMAHA EF2000iS GENERATOR EXTENDED RUN FUEL GAS CAP
YAMAHA EF2000iS GENERATOR EXTENDED RUN FUEL GAS CAPFeatures:* Use this gas cap to extend the range of your generator with a external tank.* Knurled for easy grip when opening or closing.* CNC machined from a solid piece of HIGH QUALITY 6061 T6 ALUMINUM.* The cap has a 1/4" female thread inside.  Use a 1/4" brass male fitting with a hose barb that screws into the cap* Made in the USA.Now you want have to wake up in the middle of the night to add more fuel.