Go-karts are a huge amount of fun, but often lack the most basic of mechanical conveniences such as a reverse gear. You can’t start a small four-stroke engine in reverse, so their simple chain drive ...

Go-karts are the perfect fun-mobiles to bring out the kid in anyone. But gone are the days when you had to choke down a cloud of exhaust to the deafening roar of a single screaming, overworked piston.