Note: Please kindly refer to the product description to ensure it fit for your motorcycle before ordering. We will not responsible for that if the belt is used under abnormal conditions.(including but not exclusive to racing or any competitive event, case of improper installation, alignment, application clutch case sealing, towing or poor clutch condition.) It is suitable for Yamaha many models. Such as CS50 Jog R 2002-2012/2015, CW50 BW’S 50 1989-2013, EW50 Slider 2000-2004, NS50 Aerox Naked 2013-2016 and so on. Please refer to the product description for more models. These high-performance belts is designed and manufactured to exacting specifications which meet or exceed OEM belt performance, provide maximum power-transmission and superior clutch/variator torque-multiplier response. Rounded inner cog construction increases belt flexibility and improves clutch pulley intake and out-feed for smoother CVT operation. Model specific trapezoidal top-notch designs improve heat-disation f