ok i got the case split and think i need to replace the crank. im not sure what i have. i see these stroker cranks and stock cranks. how can i tell what i have and if i can use a stroker, also what does it do for you. i know this bike was the fastest out at glamis when i took it out and the pistons seem to be stock so i dont know what this bike has in it. any help would be appreciated i know this post is a little sloppy sorry.