i need your help yamaha guys. i am running a 99 mm, bored over to 800cc, race port and polish and heads from rollform racing. yamaha racing triple pipes. i have the sled down to 455 lbs. and i am running a hi-tech clutch setup with a thuder shift kit, spinning a 151x15x2 track. what are you running for primary and secondary springs, and weight in primary. i am running yel/grn/yel in primary and i think i need to drop down, i am trying to get the belt to run up on the primary higher, i am within 1" but it has dropped my rpm down to 8500, with lighter weight i was at 9500. starting to pull hair, help.
