Just a ball bearing or bearing komstir Yamaha Scorpio, Vixion and Byson different. Starting from the Yamaha RX-Z up to Jupiter Series using code komstir bearing (ball race) the same. Prove it code on the Yamaha parts catalog.
Symptoms of broken or dirty ball bearing starts from drag, stiff when turning the handlebars. As there is a hold and hold each other. Substantially different from the normal lah. If terdektesi early on, only the one that was replaced. Medium to Vixion, Scorpio, and the numbers are different Byson earlier, the price is also different. Because of the larger diameter lahernya. His name is greater, meaning more and more expensive.