Smets also contested the 650cc class in 2003, winning that title and picking up his 57th GP victory as he moved to the Suzuki factory and suffered a major injury at the 2004 season opening in the Mantova International.
Smets also contested the MX3 class for bikes with a 650cc engine capacity in 2003, winning that title and picking up his 57th Grand Prix victory. He moved to the Suzuki factory team for 2004 but suffered a major injury at the season opening round in the Mantova International.