Unuptainable

Well im thinkin bout buying a 2001 yamaha banshee.....or a 2004 special adition yamaha banshee i was givin a great deal on both of them...........now i wanna race quads, i have experience with ridin and i wanna take it to the next step and race. I wanna learn bout these quads and beable to fix my them when they need it.....someone pleez help!