Yamaha Nutz
New member
just wonder why there are no thunder shift or heavy hitter clutch set ups in the tunning section do you guys not like them ..............i have run the tsk hh in my sled for yeats and found them to great weights not just non my trail sleds but also my race sleds too ............just something i thought i would ask ........and it any one wants some good set ups for various yamis just ask yamaha or polais primary 
