Aprilia built a road-legal Grand Prix two-stroke and sold it for a decade. Valentino Rossi's factory version won the 1999 250cc world championship. Emissions laws killed the road bike in 2004 without ceremony. Nothing like it has been built since. Nothing like it probably ever will be. . . . #OneLungRacing #2Stroke #ApriliaRS250 #RS250 #TwoStroke #GPReplica #250GP #MaxBiaggi #ValeRossi #MotoHistory #ItalianMotorcycle #StrokerNation #BikeNerd #LastOfItsKind #TwoStrokeTuesday #ClassicMoto #Moto #TwoWheels #MotoLegend #EndOfAnEra #EmissionsKilled #ClassicAprilia #VintageMoto