I work with a guy who's looking for a 250F motor for his kids racing go cart. With that said I've always thought the swaps look awesome and from what I've read the F chassis handles better as well. Sooo what's a reasonable price to pay for an 11 250F? What would be a fair split in the cost for him to take the motor and for me to take the rest of the bike? 50/50? 60/40? 40/60? I haven't contacted anyone, but I was planning on calling MPS and seeing if I could buy a frame with the correct motor mounts for the 250 2t welded in and ready to go and send them the frame off the 2011 as a core.