Portugal will send Paulo Goncalves, Henrique Venda and Rui Goncalves, who finished a bets yet seventh in the 2006 MX2 World Championship standings, while South African's hopes have been hit by injuries for Grant Langston and Gareth Swanepoel. They will be replaced by Neville Bradshaw and Wyatt Avis, alongside MX2 star Tyla Rattray.
The Italian team of 2005 MX2 World Champion Antonio Cairoli, KTM's David Philippaerts and MX3 front runner Christian Beggi will start with podium ambitions while a total of 31 teams are scheduled to attend.
The Matterley Basin circuit (pictured) had a mixed reception from the riders, in terms of racing possibilities, when it held its first ever grand prix on June 18th, but changes have been planned to help improve the show this weekend and the circuit's facilities are already at a high standard.
The 60th Motocross of Nations will, as is traditional, be decided over three races - each featuring two different classes - after which all riders will have raced each other.
The action begins on Saturday at 10 am with the MX1 free practice session.
