American Ben Bostrom won the second World Superbike at Kyalami in South Africa, his first World Superbike race win outside of the United States.

Bostrom was fourth on his Ducati in the first race at Kyalami, and credited set-up changes made between races with his record-setting second-race speed.

Defending World Champion Colin Edwards won the first race on a Honda, but DNF the second race after briefly taking the lead from Bostrom.

Bostrom is now third in series points standings, behind Ducati’s Troy Bayliss and Aprilia’s Troy Corser.

First race results were:
1. Edwards
2. Bayliss
3. Corser
4. Bostrom
5. Akira Yanagawa, Kawasaki
6. Pierfrancesco Chili, Suzuki
7. Gregorio Lavilla, Kawasaki
8. Regis Laconi, Aprilia
9. Ruben Xaus, Ducati
10. Stephane Chambon, Suzuki

Second race results were:
1. Bostrom
2. Bayliss
3. Corser
4. Neil Hodgson, Ducati
5. Xaus
6. Laconi
7. Lavilla
8. Chili
9. G. Bussei, Ducati
10. Chambon