2004 Official factory service manual for Yamaha YFZ450S ATV Quad., Page 14Get this manual
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CHAPTER ELECTRICAL ELECTRICAL COMPONENTS 8-1 CHECKING SWITCH CONTINUITY8-2 CHECKING THE SWITCHES8-4 CHECKING THE BULBS AND BULB SOCKETS 8-6 TYPES OF BULBS 8-6 CHECKING THE CONDITION OF THE BULBS 8-6 C