Aprilia Pegaso 650 N 1992. Aprilia Pegaso 650 P 1993. Aprilia Pegaso 650 R 1994. Aprilia Pegaso 650 S 1995. Aprilia Pegaso 650 T 1996. Over 40 years ago, the sandy, gravelly soils of the Netherlands - and the resulting engine failures - proved that foam and paper filters gave riders airflow but failed to protect them.
