Six-Wheeled Yamaha R1 Kart Ensures You'll Die Smiling

One of the most awesome death-traps we've seen in a while, this custom 6-wheel go-kart is powered by a 1000cc engine from a Yamaha YZF-R1 motorcycle. That means there's about 180 HP screaming directly behind you, sending power through all four » 9/17/08 2:15pm 9/17/08 2:15pm rear wheels. This thing makes a look ordinary. We're somewhat surprised…