i have a 01 shee with a cool head runing 110, 370 big bore, 34 mm carbs, toomey pipes, k&n, the bottom end is stock i want to put 115mm rods in it can i put them in with the stock crank or should i upgrade that as well, also what is a better brand, also i just pick this up the other day the guy i got it from says it has 5 hours on rebuild, it has no smoke coming out of the right pipe but does have pressure coming out, any ideas what is wrong and what i could do to fix it, thanks for the info guys, im new to 2 strokes so any help will be great but i sure do love my shee