Aprilia AF1 RS125 RS 125 Top End Rebuild Kit Inc Piston & Gaskets ROTAX 122/123 | eBay
Aprilia AF1 - Wikipedia
Aprilia Special Racing Parts by R&D - Race Crankshaft R&D for Aprilia RS, SX, MX, RX 125 (Rotax 122) crankshaft AP0295375 AP0295370 AP0295371 AP0295373 Aprilia RS 125 | Scooter Parts | Racing Planet USA
Differences between Rotax 122 and 123 (Aprilia RS 125) | Hartrusion