Other manufacturers were not happy about racing a bike with a larger engine, especially when that bike belonged to Ducati, which has historically dominated WSBK competition, and Suzuki even threatened to withdraw if the rules were changed. Ducati prevailed when, in June 2007, the FIM announced that the engine capacity limit would increase to 1200 cc for .
Other manufacturers objected to racing a bike with an enlarged engine, especially one belonging to Ducati, which has consistently led in WSBK competition. Suzuki threatened withdrawal if changes were made to the rules. In June 2007, Ducati prevailed when the FIM increased the engine capacity limit to 1200 cc.