APRILIA : AMICO 50 – AREA 51 – GULLIVER 50 – GULLIVER 50 LC – RALLY 50 – RALLY 50 LC – SONIC 50 (CY) – SONIC 50 GP (CY) – SR 50 LC STEALTH, RACING, NETSCAPER – SR 50 mod.1993 – SR 50 mod.94, 95, 96 Air – SR 50 mod.94, 95, 96 H2O – SR 50 WWW 

ATALA : CAROUSEL 50 

BENELLI : 491 50 GT, ST – 491 50 RR, RACING, SP, SPORT – K2 50 – K2 50 LIQUID COOLED – NAKED 50 – PEPE 50, LX up to 2004 

beta : ARK 50 AIR – ARK 50 LC, K SERIES – EIKON 50 – QUADRA 50 CHRONO 502 – TEMPO 50 

BSV : AX 50 – JX 50 GZ 

ETON : DXL 50 – VIPER 50 RXL 

ITALJET : DRAGSTER 50 LC – PISTA 50 1/2, YANKEE, SCOOP 2/3 

KTM : K 50 

LEM : Flash 50 

MBK : BOOSTER 50 – BOOSTER 50 from 2004 -> – BOOSTER 50 NEXT GENERATION – BOOSTER 50 R, ROCKET – BOOSTER 50 SPIRIT – BOOSTER 50 TRACK – EQUALIS 50 – EVOLIS 50 – FIZZ 50 – FLIPPER 50 – FORTE 50 – HOT CHAMP 50 – MACH 50 G – NITRO 50 H2O – NITRO 50 H2O from 1996-> – OVETTO 50 – SORRISO 50 96 – STUNT 50 – TARGET 50 

MOTRON : STING – SYNCRO – THUNDER 

RIEJU : RS SPORT, NKD 50 LC