Periodic maintenance and adjustment6-206EAU36505Brake light switchesThe brake light should come on justbefore braking takes effect. The brakelight is activated by switches connect-ed to the brake lever and brake pedal.Since the brake light switches arecomponents of the anti-lock brake sys-tem, they should only be serviced by aYamaha dealer.EAU22393Checking the front and rearbrake padsThe front and rear brake pads must bechecked for wear at the intervals spec-ified in the periodic maintenance andlubrication chart.EAU22433Front brake padsEach front brake pad is provided withwear indicator grooves, which allowyou to check the brake pad wear with-out having to disassemble the brake.To check the brake pad wear, checkthe wear indicator grooves. If a brakepad has worn to the point that the wearindicator grooves have almost disap-peared, have a Yamaha dealer replacethe brake pads as a set.1. Brake pad wear indicator groove1 1