cousin and i were riding a 400 prarie when something in the front end broke flipping us end over end. we werent goin but about 15 mph, he broke his jaw fractured his face, tore rotator cup, i tore all the cartilige in my ribs, had 9 stitches holding my lip back on, face scraped all to hell,lots of bruises & cuts. it was a bad deal i still have 2 knots on my chest from the cartilige, he had to eat through a straw for 6 weeks