I HAVE 2005 ROYAL STAR AND I HAVE 32000 MILES ON AND AM VERY HAPPY WITH BUT THE FUEL ECOMENY SUCKS AT INTERSTATE SPEED IT DOSEGOOD AT 55TO65 MILES PER HOUR BUT IF I RUN 75 TO 80 MILES PER HOUR THE DAM MILLAGE SUCKS THE MILLAGE IS VERY BAD IT DROPS TO ABOUT 22 TO 25 MILES PER GALLON THAT GIVES YOU ABOUT 113 TO 115 MILES PER TANK AN THAT NOT WORTH A DAM WHEN YOU RUNNING OUT WEST I TOOK A TRIP IN OCT. AND PUT 4500 MILES IN 13 DAY AND IT SEAM LIKE THAT ALL I WAS DOING WAS LOOKING FOR FUEL AND IT WAS A PAIN I WAS RIDING WITH A FRIND AND SHE GETING ABOUT 50 TO 60 MILES PER TANK MORE THEN I WAS GETING AND HER BIKE HAD 80000 MILES ON WE RUN THE SAME MILES AND THE SAME SPEED AND I AM NOT HAPPY ABOUT IT I GOT I TOUCH WITH YAMAHA MOTOR CO. AND THE GREAT ADAVICE THAT HE GAVE WAS SLOW DOWN THAT WAS GREAT ADAVICE FROM HIM TO THAT RESPONCE WAS BULL I WAS VERY UPSET WITH IT IT SEAMS THAT THEY SOLD THE BIKE AND THEY NO ADAVICE BUT TO SLOW DOWN BULL I AM READY TO SELL THE BIKE WITH FACTORY ADAVICE LIKE THAT TO HELL WITH THEM STATEGUY IN ILL