Chris Leeson adapted to windy conditions to win the 11th and 12th rounds of the South African Motorcycle Racing championship held at the East London Grand Prix circuit on September 3. Leeson (Kawasaki) grabbed pole position in qualifying and was joined on the front row by championship leader Greg Gildenhuys (BMW), Nicolas Grobler (BMW) and James Egan (BMW). Leeson blasted into the lead and did not relinquish his position with Gildenhuys settling for second place. James Egan, Julian Odendaal (Kawasaki), Steven Coetzer (BMW) and Chris van Vuuren (Kawasaki) followed Gildenhuys respectively. Grobler had a race to forget when an electronic fault caused him to start from the pits. After working his way up to fifth, he ran out of fuel on the final lap.Race two was much like race one with Leeson again winning and also set the day’s quickest lap. Gildenhuys was second with Egan completing the podium. Grobler, Odendaal and van Vuuren rounded the top six. ERRORS COST MCFADDEN, PETERSENClinton Sellers (Honda) showed killer instinct to win the first Supersport 600 race in the final lap, which was a three-way fight between Sellers, Lance Isaacs (Honda) and Cameron Petersen (Kawasaki).Isaacs was second and Petersen third. Brent Harran (Honda) was fourth ahead of David McFadden (Kawasaki) and Dean Vos (Kawasaki). McFadden capitalised on errors by Nicholas Kershaw and Petersen to win the second race. Kershaw (Kawasaki) led for most of the race before he ran wide and overtaken while Petersen dropped his bike on the Complex.Seller finished second with Isaacs, Vos, Kershaw and Harran rounding up the top six. The next round of the 2011 South African Motorcycle Racing championship will take place at Killarney on October 1.