Vehicle report
Technical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.
TB-023-2008
APRILIA MOTORCYCLE: THE OLD MUFFLER WILL O LONGER BE AVAILABLE AS SPARE PART AND IS BEING REPLACED WITH A NEW MUFFLER THAT WILL SOLVE THE OBSTRUCTION PROBLEM THAT AFFECTS 2 STROKE ENGINES IN GENERAL. MODELS SCARABEO 50 2T STREET EURO2. NO MODEL YEARS LISTED. *PE
Complaint counts are reports filed with NHTSA, not failure rates. A common model collects more of them than a rare one that breaks more often.