Water pump STAGE 6 with 40% more power CNC for scooter with minarelli engine.Aprilia Area 51Aprilia Gulliver 50 waterAprilia Rally 50 waterAprilia Sonic 50 waterAprilia SR 50 (-1999) (Minarelli engine, water) Netscaper,StealthBenelli 491 Sport (-03.2003) (Minarelli engine)Benelli K2 50 water (-03.20..