FITTING OF THIS PRODUCT: According to the data provided by the manufacturer, this article is valid for the following brands, models and years: MBK CW Booster 50 2T-AIR: 1990-2003 MBK CW Booster Naked 50 2T-AIR: 2003-2003 MBK CW Booster Next Generation 50 2T-AIR: 1999-2005 MBK CW Booster Rocket 50 2T-AIR: 1997-1998 MBK CW Booster Spirit 50 2T-AIR: 1996-2003 MBK EW Stunt 50 2T-AIR: 2000-2004 YAMAHA Bw´s 50 2T-AIR: 2004-2013 YAMAHA Bw´s Next Generation 50 2T-AIR: 1997-2006 YAMAHA CW RS Spy 50 2T-AIR: 1995-1998