(Rule changes to the Superbike Championship allowed 4 cylinder machines for 2003)

The 1,000 engine was first used in production machine in 2005 with the introduction of the "F4 1000 AGO".Like the F4 750 and the Oro, the new F4 1000 product line began with a special edition F4 1000 called the F4 1000 AGO in 2005.