ATHENA Power Valve System Ø40 spinotto Ø12 Minarelli AM6. Aprilia RX50 Enduro Racing H2O 2T E2 '03 (AM6). Aprilia RX50 Enduro H2O 2T '95-'00 (AM6). Beta RR Alu Enduro 50 H2O 2T E2 '03-'05 (AM6). HM CRE Baja RR Enduro 50 H2O 2T E2 '06-'09 (AM6).
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