2006-2008 Yamaha RS, Vector, Rage Factory Service Manual, Page 331Get this manual
SIGNAL SYSTEM TROUBLESHOOTING
BRAKE LIGHT DOES NOT COME ON
Check the tailbrake light bulb(s)Refer to "LIGHTING SYSTEM"OK NO CONTINUITY Replace the bulb(s)
Check the main fuse, ignition fuse, and signal fuseRefer to "FUSE INSPECTION" in CHAPTER 2OK FAULTY Replace the main fuse, ignition fuse, andor signal fuse