England’s Oliver Wilson and Phillip Archer were in a five-man leading group on four under par after day one at the Alfred Dunhill Championship in South Africa.

Valentino Rossi has urged his Gauloises Yamaha team not to “sit back and relax” despite winning the first race of the season.

Former GP racer Randy Mamola has backed Valentino Rossi’s move from Honda to Yamaha for the 2004 season but has dismissed the Italian’s title chances.