2004 Ducati Monster S4 R

The 2004 Ducati Monster S4 R represents the flagship of Ducati's naked bike lineup, bringing superbike performance to the street without fairings to hide behind. This was the first year for the S4 R, marking Ducati's most aggressive take on the Monster formula yet.

What you get is essentially a 996 superbike engine stuffed into the Monster's minimalist chassis — a combination that delivers serious performance with an equally serious attitude. The riding position is more committed than lesser Monsters, and the power delivery has that characteristic Ducati urgency that rewards skilled throttle control. This isn't a bike that flatters beginners or forgives sloppy inputs, but it rewards precision with an intensity that few naked bikes can match.

The 2004 model carried over without significant mechanical changes from the prior year — buyers comparing it to a 2003 example should focus on mileage, service history, and condition rather than spec differences.

The 2004 Ducati Monster S4 R attracts experienced riders stepping up from smaller Monsters or those wanting superbike performance without the track-focused ergonomics. Moderate collector interest means clean examples hold value well, particularly as Ducati's air-cooled era gains appreciation.