I have a 2001 M900 Sie. I recently purchased from a friend. He weighed aprox 150lbs I am 200lbs. Which spring do i need to match my weight? I will also need to add preload when my wife rides with me so sticking with stock isnt going to cut it I dont think. Thanks.
Check this thread http://ducatimonsterworldwide.org/index.php?topic=1902.0 (http://ducatimonsterworldwide.org/index.php?topic=1902.0)
It has links to the Racetech site and discussion on their calculator tool.
http://www.racetech.com/evalving/menu/searchstreet.asp
i run .9 racetechs i am 155lbs in the flesh. I had a pro shop do the install and pick out the parts. all i can say is. DAAAAAAAMMMMMNNNNNN its way better than stock.