APPLICATIONS OF THIS PRODUCT: According to the data provided by the manufacturer, this article is compatible with the following brands, models and years: MBK BOOSTER NAKED 10" 50 2003-2015 MBK BOOSTER NAKED 12" 50 2008-2012 MBK BOOSTER NAKED 13" 50 2012-2017 MBK BOOSTER SPIRIT 10" 50 1990-2017 MBK BOOSTER SPIRIT 12" 50 2001-2014 YAMAHA BWS NAKED 10 POUCES 50 2003 YAMAHA BWS ORIGINAL 10 POUCES 50 2001-2003 YAMAHA BWS ORIGINAL 12 POUCES 50 2001-2013