Neil Hudson won what premier motocross championship in 1981?
Motocross World Championship FIM Motocross World Championship is the premier championship of motocross racing, organized by the Fédération Internationale de Motocyclisme (FIM), currently divided into two distinct classes: MX1 and MX2. Race duration is 30 minutes plus 2 laps per moto. The series runs 18 events with two motos at each round.
Super 1 National Kart Championships The "Super 1 National Kart Championships" "S1" or "Super One" is a karting championship based in the United Kingdom. It has been in operation since 1983 and is regarded as the premier karting championship in the UK, producing many famous drivers including Lewis Hamilton, Jenson Button, David Coulthard, Dan Wheldon, Anthony Davidson and Jason Plato among others.