Download the 749 manual and look at the differences between the two. The dark does not come with a dampener. The front shocks are different as well as the rear swingarm. I think they are geared different to, maybe not. Also look at the Ducati performance catalog and read all of the footnotes for the 749.
Jus' a thought.
Warcraft Night Elf Hunter - Doocati
Day of Defeat - Ducati 749[36thID]
Day of Defeat Source - Jus_livin[36thID]
"If you can't change those around you, then change those around you".