I have searched for threads on clutching and found a little...but very little that will possible fix my issue....i have a 2010 Dragon 800-163...when climbing..WOT the most i can get is 7800rpm...i have changed the belt...little or no improvement...i have read that these 800's should spin 8250 to 8400 rpm...i ride about about 3-6000' elevation...sled is stock..what clutching improvements can i make to let this baby sing!???