Diametru bolt piston: 10mm;

Diametru piston: 40 mm;

Cilindru racire aer.
Compatibilitati:
Aprilia Amico 50 AC 2T 1996-1998
Aprilia Amico GL 50 AC 2T 1994-1995
Aprilia Amico LX- Sport 50 AC 2T 1992-1993
Aprilia SR50 Replica AC 2T 1993
Garelli Big-Wheel 50 AC 2T 1993-1997
Garelli Pony 50 AC 2T 1992-1995
Garelli Pony Racing 50 AC 2T 1993-1997
Garelli Pony SR 50 AC 2T 1992-1997
Italjet Ascot 50 AC 2T 1991-1992
Italjet Ascot 50 AC 2T 1992 i późniejsze
Italjet Bazooka I 50 AC 2T 1991-1994
Italjet Bazooka II 50 AC 2T 1992-1995
Italjet Pista 50 AC 2T 1992-1997
Italjet Reporter 50 AC 2T 1990-1995
Italjet Scoop 50 AC 2T 1991-1995
Italjet Yankee 50 AC 2T 1993-1997
MBK Active 50 AC 2T 1990-1992
MBK Booster Naked 50 AC 2T 2005 *
MBK Booster Naked R12 50 AC 2T 2005-2011
MBK Booster Naked R13 50 AC 2T 2012 *
MBK Booster Next Generation 50 AC 2T 1995-1998
MBK Booster Next Generation II 50 AC 2T 2003-2009
MBK Booster Next Generation II 50 AC 2T 1999-2002
MBK Booster Original 50 AC 2T 2004 *
MBK Booster R12 50 AC 2T 2004 *
MBK Booster Road 50 AC 2T 1994-1995
MBK Booster Rocket 50 AC 2T 2003-2009
MBK Booster Rocket 50 AC 2T 1995-2002
MBK Booster Spirit 1.0 50 AC 2T 2013 *
MBK Booster Spirit 50 AC 2T 1996-1998
MBK Booster Spirit 50 AC 2T 1999-2003
MBK Booster Spirit Naked 50 AC 2T 2003
MBK Booster Spirit R12 50 AC 2T 2001-2002
MBK Booster Spirit R12 50 AC 2T 2003
MBK Booster Track 50 AC 2T 1996-1997
MBK Sorriso 50 AC 2T 1990-1995
MBK Stunt 50 AC 2T 2000-2002
MBK Stunt 50 AC 2T 2003
MBK Stunt Naked 50 AC 2T 2004 *
MBK Target 50 AC 2T 1991-1995
Yamaha Beluga 50 AC 2T 1989-1993
Yamaha Bw's Bump 50 AC 2T 1996-1997
Yamaha Bw's Easy 50 AC 2T 2013 *
Yamaha Bw's Naked 50 AC 2T 2003
Yamaha Bw's Naked 50 AC 2T 2005 *
Yamaha Bw's NG 50 AC 2T 1995-1998
Yamaha Bw's NG II 50 AC 2T 2003-2009
Yamaha Bw's NG II 50 AC 2T 1999-2002
Yamaha Bw's Original 50 AC 2T 2004 *
Yamaha Bw's Original 50 AC 2T 1990-1993
Yamaha Bw's Original 50 AC 2T 1996-1998
Yamaha Bw's Original 50 AC 2T 1999-2003
Yamaha Bw's Original R12 50 AC 2T 2001-2002
Yamaha Bw's Original R12 50 AC 2T 2003
Yamaha Bw's R 50 AC 2T 1994-1995
Yamaha Bw's R12 50 AC 2T 2004 *
Yamaha Bw's SPY 50 AC 2T 2003-2006
Yamaha Bw's SPY 50 AC 2T 1995-2002
Yamaha CRZ50 AC 2T 1991-1995
Yamaha CT50 AC 2T 1990-1995
Yamaha Slider 50 AC 2T 2000-2002
Yamaha Slider Naked 50 AC 2T 2003-2010
Yamaha Slider Naked R12 50 AC 2T 2011-2013
Yamaha Slider Naked R12 50 AC 2T 2014 *