ITEM DESCRIPTION: KOSO Performance Copper Core 20x12mm 17g Roller Weight set for various Yamaha and Chinese made 125cc & 150cc Scooters (see below).

NOTE: Some 250cc & bigger engines use 8 rollers. I have not decided if I should list 8 roller sets. If you need 8 rollers, let me know and I'll make them available to you.

Partial list of models that may use 6 roller (always verify you machine).

AEON : OZ 150
BENELLI :
ITALJET :
MILLENIUM 125 - MILLENIUM 150
MALAGUTI : F 12 PHANTOM 125, MADISON 125, MADISON 150
MBK : FLAME X 125, WAAP 125 CITYLINER, 125 euro3, DOODO 125, DOODO 150, SKYLINER 125, SKYLINER 150, THUNDER 125, THUNDER 150
RENAULT : KOURANOS 125
VELVET 125 & 150
YAMAHA : CYGNUS X 125, GTR AERO 125, VITY 125, BWS 125, ZUMA 125, MAJESTY 125, MAJESTY 150, MAJESTY 180 4t, MAXSTER 125, MAXSTER 150, TEO S 125, TEO S 150, Nmax 155, Aerox 155, SMAX 155

Yamaha models that may use 8 rollers (always verify your machine).

1996-2002 Majesty YP250, 250cc
2003 Yamaha Majesty 250 ABS       
1998-1999 Yamaha Majesty 250 DX
2007-2013 Yamaha X-City 250
2005-2011 Yamaha X-Max 250

Also found on some Yamaha Marine Applications:

Chinese & European Models that may use 8 rollers (always verify).

1999-2001 Aprilia Leonardo 250     
2001 Aprilia Leonardo     
1999-2003 Benelli Velvet 250 
BMS TBX 260
Buyang
CF Moto V3/V5
Diamo: Turista
FS300 ATV
Fire Wing 260
Go Kartsations:
Ice Bear, Tornado
2000 Italjet Jupiter 250
JCL
2006-2008 Keeway Dragon 250
2006-2011 Keeway Silverblade 250
Lance Grand Touring 250
LINHAI: 260cc Aeolus 260 & 300, Tank 260, Tank Touring 250DE, ATV 260
1999-2001 Malaguti Madison S 250
2005-2006 Malaguti Password 250
2007-2008 Malaguti Password 250  
Manco Talon
2000-2003 Mbk Skyliner 250  
20003 Mbk Skyliner 250 ABS 
Motobravo 260XY
Panther 300UT
Renault: Kouranos 250
Roketa: MC-62, MC-54B, 250B, Diamo Turista 300cc
Tank Touring 250DE-08
TBX 260
Xingyue: Vog 260, XY260T-4