check engine YAMAHA VX 2009 Manual de utilização (in Portuguese)
Nothing was found :-(
Try to search something different in this manual:
  jack points, diagnostic menu, wiring diagram, display, manual radio set, transmission fluid, spark plugs, four wheel drive  
Popular in this manual:
ESP, sensor, warning, alarm, cruise control, AUX, sport mode, ECU, ECO mode, lock
Or view whole manual here:
