Hello, i am 17, i race motocross, i get VERY bored in the winter, all my friends have sleds but i dont. I have never ridden a sled so i dont even know if i would like it, (i'm pretty sure i would, being that i love riding dirt-bikes) I am mechanically inclined and i do all of my own work on my 4-stroke MX bike. However i know nothing about sleds, i have no brand preference, i dont know the advantages of 4stroke sleds vs 2stroke sleds. The only thing i was leaning towards was getting a mid-sized one, say a 600??