Minarelli Aprilia Malaguti MBK Yamaha 50cc (1998 ) Racing Clutch 107mm RMS Fork but the flywheel does not Cylinder and Pistons but the flywheel does not have the electric start cog fitted the clutch assembly allows the user to vary the amount of pressure in the clutch by removing the smaller springs to make the unit a 12 spring assembly BRAND MODEL CC YEARS CHASSIS APRILIA AREA 51 50 1998 2000 MY APRILIA GULLIVER 50 1995 1998 LH000 APRILIA GULLIVER LC 50 1996 1998 LH040 APRILIA MOJITO CUSTOM 50 1999 2003 PK001 PKE10 APRILIA MOJITO RETRO 50 1999 2003 PK000 PKD00 APRILIA RALLY 50 1995 2003 MD000 MDH00 APRILIA RALLY LIQUID COOLED 50 1996 1999 MDA00 MAD10 APRILIA SCARABEO 50 1993 1997 HS LE APRILIA SCARABEO 50 1998 1998 PF000 PF0100 APRILIA SCARABEO 50 1999 1999 PF0 PFG APRILIA SCARABEO 50 2000 2005 PFG00 TH000 APRILIA SONIC 50 1998 2007 PB000 TL000 APRILIA SONIC GP 50 1998 2008 PB010 TLA00 APRILIA SR 50 1994 1996 LF APRILIA SR H2O DITECH E CARBURATORE 50 2000 2004 RLA RLB RLE APRILIA SR LIQUID COOLED 50 1994 1996 LC APRILIA SR STEALTH 50 1997 2000 MZ APRILIA SR STEALTH APRILIA BETA BENELLI ITALJET MACAL MOTRON MALAGUTI MBK MINARELLI YAMAHA