WORLD’S ONLY PATENTED. TRI-FUEL SYSTEM FOR YAMAHA EF6300ISDE. M A J O R B E N E F I T S: No cutting of the frame! No cutting of the crankcase hose! NO REMOVAL TO RUN GASOLINE!!! Switch back and forth all you want. The revolutionary design of our newly patented Motor Snorkel (05/2013) eliminates […]