Here is the 50cc kit from TNT Original 40mm diameter original type. Ideal to give has nine your high engine, cast iron kit will allow you to start on a good basis for an attractive price. 

 
Delivered without cylinder head, it is available in 10mm axle. The quality is good, it does not give you more performance than originally though it offers solidity, new equipment, for one low price! 

 Optional we offer a preparation course 1, this preparation is a modification of the exhaust port by increasing the charts and improvement of the duct, it increases the cylinder performance. Improved bottom skirt is also included in the amendment. Allow a little extra time for this preparation! 
Itself on: 
 
 KTM 50cc GO 
 50cc Aprilia GULLIVER 
 50cc Aprilia RALLY from 1995 to 2003 
 APRILIA SCARABEO 50cc from 1993 to 2005 
 APRILIA SONIC 50cc 1998-2007 
 Aprilia SR 50 / REPLICA ARIA from 1994 to 2001 
 50cc Aprilia SR WWW 
 ATALA CAROSELLO 50cc 
 BENELLI 491 GT 50cc from 1998 to 1999 
 BENELLI NAKED 50cc 491 from 2002 
 BENELLI 491 ST 50cc 1999 to 2001 
 BENELLI K2 50cc from 1998 to 2001 
 BENELLI PEPE 50cc 1999 to 2001 
 BETA ARK 50cc from 1996 to 2008 
 BETA QUADRA CHRONO 502 50cc from 1995 to 1999 
 BETA TEMPO 50cc from 1994 to 1999 
 BRANDY JAGUAR 50cc 
 BRANDY JT 50cc 
 BS VILLA AX 50cc 
 BS VILLA DIA Z 50cc 
 MALAGUTI CENTRO SL KAT 50cc 1999-2000 
 MALAGUTI CIAK 50cc 1999-2000 
 MALAGUTI CIAK MASTER 50cc from 2004 
 MALAGUTI CIAK MASTER 2 euro from 2006 
 MALAGUTI CIAK MONO 2 euro 2.3 50cc from 2003 
 MALAGUTI CIAK MONO Euro 2 50cc from 2003 
 MALAGUTI CIAK 50 TD from 2000 to 2001 
 MALAGUTI F10 JET LINE 50cc / KAT 1992 to 2000 
 MALAGUTI F10 RESTYLING euro 2 2.3 50cc from 2003 to 2004 
 MALAGUTI F10 RESTYLING euro 1 50cc from 2001 to 2002 
 MALAGUTI F10 RESTYLING euro 2 2006-2002 50cc 
 MALAGUTI F12 PHANTOM 50cc from 1994 to 1998 
 MALAGUTI F12 PHANTOM KAT 50cc 1999 to 2000 
 MALAGUTI F12 PHANTOM euro 1 50cc 1999 to 2000 
 MALAGUTI F12 PHANTOM RESTYLING 1 euro from 2001 to 2002 
 MALAGUTI F12 PHANTOM RESTYLING euro 2 from 2002 
 MALAGUTI F12 PHANTOM RESTYLING euro 2 2.3 50cc from 2003 to 2004 
 MALAGUTI F12 RESTYLING Euro 2 50cc from 2006 
 MALAGUTI F15 FIREFOX 2006-2005 50cc 
 MALAGUTI YESTERDAY / YESTERDAY EURO 50cc from 1997 to 2000 
 MBK CS MATCH G 50cc 2002-200 
 50cc MBK HOT CHAMP 
 50cc MBK EQUALIS 
 R 50cc MBK FORTE from 1994 to 1995 
 MBK SORRISO TA NEW 50cc from 1995 to 1996 
 MBK EVOLIS 50cc from 1992 to 1995 
 MBK FLIPPER 1998 to 2002 50cc 
 MBK FLIPPER CAT 50cc from 1990 to 2000 
 MBK FLIPPER euro 2 from 2003 to 2004 
 MBK FIZZ 50cc from 1994 to 1995 
 MBK OVETTO 50cc from 1997 to 2001 
 MBK OVETTO 1 euro from 2002 to 2004 
 MBK OVETTO euro 2 from 2002 to 2003 
 MOTRON STING 50cc 
 MOTRON SYNCRO 50cc 
 THUNDER 50cc MOTRON 
 PGO BIG MAX / 50cc SPORT 
 PGO 50cc SUPER FIFTY 
 WINDY 50cc RIEJU 
 SUNDOWN 50cc SUPER fifity 
 YAMAHA JOG R Euro 2 50cc 2002 to 2005 
 YAMAHA JOG R 50cc from 2002 to 2009 
 YAMAHA JOG 50cc 
 YAMAHA JOG ER 50cc 
 YAMAHA VINO 50cc 
 YAMAHA R AXIS 50cc from 1995 to 1996 
 ZA YAMAHA JOG Z 50cc from 1995 to 1996 
 YAMAHA ZEST 50cc 
 YAMAHA WHY euro 1 50cc 1999 to 2000 
 YAMAHA WHY Euro 2 50cc 2003 to 2005 
 YAMAHA WHY 50cc from 1998 to 2006 
 YAMAHA BREEZE 50cc from 1994 to 1995 
 YAMAHA NEO'S Euro 2 50cc from 2002 to 2003 
 YAMAHA NEO'S 50cc from 2004 to 2009 
 YAMAHA NEO'S / OVETTO 50cc in 1997 
 YAMAHA NEO'S / OVETTO 50cc from 2001 to 2002 
 And other models ...