new top end

[chrisjhayes2008]

my bike started moking and i talked to a tech and he said replace the pistons. so i am putin 416 and hoty cams stage two. should i replace anything else before i put it back together

[honda300EXtreme]

well if it was smoking and your not 100% sure it was the rings i would change the valve seals just to be safe

[MO-EX-RIDER]

a 06+ 450r timing chain, and maybe a fresh clutch w/ hd springs dont forget about new exhaust gaskets too :D