Yamaha 2004 YP400 Service Manual page 343

ELECTRICAL COMPONENTS........................................................................ 8-1
CHECKING SWITCH CONTINUITY................................................................8-3
CHECKING THE SWITCHES..........................................................................8-4
CHECKING THE BULBS AND BULB SOCKETS .......................................... 8-5
TYPES OF BULBS .................................................................................... 8-5
CHECKING THE CONDITION OF THE BULBS ....................................... 8-6
CHECKING THE CONDITION OF THE BULB SOCKETS .......................8-7
CHECKING THE LEDs..............................................................................8-7
IGNITION SYSTEM ......................................................................................... 8-8
CIRCUIT DIAGRAM .................................................................................. 8-8
TROUBLESHOOTING ..............................................................................8-9
ELECTRIC STARTING SYSTEM .................................................................. 8-14
CIRCUIT DIAGRAM ................................................................................ 8-14
STARTING CIRCUIT CUT-OFF SYSTEM OPERATION ........................ 8-15
TROUBLESHOOTING ............................................................................8-16
STARTER MOTOR........................................................................................ 8-19
CHECKING THE STARTER MOTOR .....................................................8-21
ASSEMBLING THE STARTER MOTOR................................................. 8-22
CHARGING SYSTEM....................................................................................8-23
CIRCUIT DIAGRAM ................................................................................ 8-23
TROUBLESHOOTING ............................................................................8-24
LIGHTING SYSTEM ......................................................................................8-26
CIRCUIT DIAGRAM ................................................................................ 8-26
TROUBLESHOOTING ............................................................................8-27
CHECKING THE LIGHTING SYSTEM....................................................8-30
SIGNALING SYSTEM ...................................................................................8-35
CIRCUIT DIAGRAM ................................................................................ 8-35
TROUBLESHOOTING ............................................................................8-37
CHECKING THE SIGNALING SYSTEM ................................................. 8-38
COOLING SYSTEM....................................................................................... 8-45
CIRCUIT DIAGRAM ................................................................................ 8-45
TROUBLESHOOTING ............................................................................8-46
CHAPTER 8
ELECTRICAL SYSTEM
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ELEC