sur le moteur est grave des numero ref moteur , mais surtout V990 , V990RP ....
j'ai trouve ça sur un forum US
c'ets une explication.
a dit:
Falco is called the PA Aprilia internally, RSV's are either "ME" (98-2000), or "RP" (2001-2003). V990RP is what you'd want - more hp due to larger valves, better clutch etc.
Fyi: RST Futura is "PW", CapoNord is "PS".