hey, i am due for a piston on my 98 mxc 200 and i was wondering what people have in their bikes. i am considering a vertex piston with a bore of 63.95 mm which is stock but the piston only has one ring and my bike stock has two. would it matter if i used this? also wiseco only has a piston with a bore of 64 mm this wouldnt work would it? just wondering what other people have in their bikes so let me know.