Well, I haven't made move on a bike yet. However, I've put in a lot of time on the 600 and love the power! Wheelies all day! The weight though... Wow, I literally put my back out for a week just picking it up. Certainly after a yz250 or cr250 again. Leaning toward the yz. Just a couple of questions. What years will accept newer plastics? I like the new style and have always wanted a yellow yamaha. I know they make yellow sets. And rather an odd question but, do you need to clutch up wheelie on a yz? Or better yet, can you without doing a backflip?