FITTING OF THIS PRODUCT: According to the data provided by the manufacturer, this article is valid for the following brands, models and years: GAS GAS EC 125: 1997-2017 GAS GAS EC 200: 1997-2017 GAS GAS EC 250: 1997-2017 GAS GAS EC 300: 1997-2017 YAMAHA WR F 250: 2001-2018 YAMAHA WR F 450: 2003-2018 YAMAHA YZ 125: 1999-2018 YAMAHA YZ 250: 1999-2018 YAMAHA YZ 85: 2002-2018 YAMAHA YZ F 426: 2000-2002 YAMAHA YZ F 450: 2002-2018 YAMAHA YZF 250: 2001-2017