I have a 2008 Polaris Dragon 800 its got a slp head, y pipe, pipe can, all the air vents on it slp high flow ait intank. i am running slp blue and pink sprin with rons 61 weights... i was running 62 weights in it and was getting 7850 for rpm's i put rons 61 weights in and i can only get 7300 sumtimes 7900 but not verry often... down at the truck it idles at 1500 and up in the mountains it run 1000 too 1100 if that why is it doing this???? i put the 62 weights back in tonight when i got home hopefully that will make a difference on my top rpms but why wont if idle??? anybody know what i could do??