2006-2008 Yamaha RS, Vector, Rage Factory Service Manual, Page 71Get this manual
SPEEDOMETER UNIT INSPECTION 1Inspect: Speedometer unit INSP ADJ SPEEDOMETER UNIT INSPECTION Inspection steps: Check that
the "LO" side of the thumb warmer adjustment switch 2 Continue to press the thumb warmer adjustment switch for at least seconds
after the main switch is set to "ON" Check that the speedometer unit, headlights, and taillights come onLight does not come
on Replace the bulbNothing appears in the speedometer unit LCD Replace the speedometer unit Set the main switch to "OFF"