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I OWN A 2005 ULTRA , AFTER I BOUGHT IT WHEN IT BECOME WARM AROUND HERE MEANING IN ARIZONA, I STARTED TO HAVE A LOT OF PROBLEMS WITH IT RUNNING ROUGH AND PINGING ,TOOK IT TO THE SHOP THEY TESTED IT SAID IT WAS FINE , RAN IT FOR A WHILE LOST AN EXHUST VALVE IN FRONT CYLINDER, AS I SUSPECTED I WOULD ,THANK GOD IT WAS UNDER WARRENTY, WHEN I GOT IT FIXED IT WAS SUGGESTED I HAVE A STAGE 1 ADDED TO ,WHICH INCLUDED NEW SCREAMING EAGLE PIPES,AIR FILTER SYSTEM ,DOWNLOAD 1450 WHEN MAPPED , IT SEEMS LIKE IT HELPED A LITTLE , BUT AS THIS SUMMER IS WARMING UP ITS GIVING ME PROBLEMS AGAIN ,MOSTLY WHEN MY WIFE AND I ARE BOTH ON IT ,SOMETIMES WHEN COMING TO A STOP SIGN AND WE START TO TAKE OFF IT SPITS AND SPUTTERS ALMOST CAUSING ME TO LOOSE THE BIKE , BUT NOT ALL THE TIME, MY BROTHER-IN-LAW HAS A CLASSIC WHICH EVERYTHING ABOUT IT IS THE SAME EXCEPT HE HAS A RACE TUNER INSTALLED , THATS BEEN SUGGESTED TO ME TO HAVE DONE , BY THE WAY HE HAS NO PROBLEMS WITH HIS , ITS REALLY A SHAME THAT HARLEY BUILDS A BIKE THAT YOU PAY A FORTUNE FOR AND YOU HAVE TO BUY ALL OF THIS EXTRA PARTS TO MAKE IT PERFORM ,IS THERE ANYONE WITH THE SAME PROBLEMS AND WHAT IS YOUR THOUGHTS OF HAVING A RACE TUNER PUT IN , I'M OUT TO SPEND ALOT MORE MONEY IN HOPES IT WILL FIX IT THE PROBLEM
YES I DO HAVE MY LOWERS ON AND THOUGHT OF TAKING THEM OFF BUT I,M ALSO THINKING THEY MIGHT EVEN HELP IT AS A CAR WILL RUN HOT WITHOUT ITS FAN SHROUD WHERE THIS ACTUAL LETS AIR FLOW DIRECTLY ON THE ENGINE NOT SURE IT WOULD MAKE A DIFFERANCE BUT MAYBE
I WAS TOLD BY A DEALER HEAR THAT HE TRIED A FAN FOR THE HEAT AND IT DIDN'T SEEM TO MAKE MUCH DIFFERANCE BESIDES BEING UGLY, AND I DO USE SCREAMING EAGLE SYNTHETIC
Jeff, the guy I bought my Ultra from, bought a 2007 SG and had problems with pinging, went home and took off the lowers and seemed to help. Since it has not been that hot out yet, not sure that it is a cure as of yet.
for heat... like Arizona has .... I'd have the beefiest fan possible (mounted where the cowbell is). Also would definately be getting an oil-cooler to help cool the oil a little. Those things can help some when riding in the high heat.
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