It's pretty much the same as your ST4S engine, frame & suspension wise.
Recalls wise, not heard of nynthing UK / Europe but there's this one for N America.....
NHTSA Campaign ID: 05V219000 Component: Suspension: Front: Shock Absorber Manufacturer: Ducati North America Year:
2005Make:
DucatiModel:
S4RRecall Date:
05/06/2005Potential Number of Units Affected: 117
Manufactured: Defect Summary:On certain motorcycles, the incorrect rear shock absorber rocker arm was installed during production.
Consequence Summary:The incorrect component could potentially fail causing the vehicle to crash without prior warning.
Corrective Summary:Dealers will inspect the rear shock absorber rocker arm and replace it if necessary. The manufacturer has not yet provided an owner notification schedule for this campaign. Owners should contact Ducati at 408-253-0499.