06-18 YAMAHA YZF-R6: Yoshimura Bar End Kit (Works Edition) Yoshimura Bar Ends probably won't help bring down those lap times, but they sure do look good. These trick little beauties are designed as direct replacements for those bulky stock bar ends. Direct replacement of stock bar ends. Utilizes stock hardware for easy installation. 6061-T6 aluminum CNC-machined billet construction.