Electrical System - Yamaha XT250X Service Manual

ELECTRICAL SYSTEM

IGNITION SYSTEM ........................................................................................7-1
CIRCUIT DIAGRAM .................................................................................7-1
TROUBLESHOOTING .............................................................................7-3
ELECTRIC STARTING SYSTEM...................................................................7-5
CIRCUIT DIAGRAM .................................................................................7-5
STARTING CIRCUIT CUT-OFF SYSTEM OPERATION.........................7-7
TROUBLESHOOTING .............................................................................7-9
CHARGING SYSTEM ....................................................................................7-11
CIRCUIT DIAGRAM .................................................................................7-11
TROUBLESHOOTING .............................................................................7-13
LIGHTING SYSTEM.......................................................................................7-15
CIRCUIT DIAGRAM .................................................................................7-15
TROUBLESHOOTING .............................................................................7-17
SIGNALING SYSTEM ....................................................................................7-19
CIRCUIT DIAGRAM .................................................................................7-19
TROUBLESHOOTING .............................................................................7-21
CARBURETOR HEATING SYSTEM .............................................................7-25
CIRCUIT DIAGRAM .................................................................................7-25
TROUBLESHOOTING .............................................................................7-27
ELECTRICAL COMPONENTS ......................................................................7-29
CHECKING THE SWITCHES ..................................................................7-33
CHECKING THE BULBS AND BULB SOCKETS ....................................7-36
CHECKING THE FUSE............................................................................7-37
CHECKING AND CHARGING THE BATTERY........................................7-37
CHECKING THE RELAYS .......................................................................7-40
CHECKING THE TURN SIGNAL RELAY ................................................7-41
CHECKING THE DIODE..........................................................................7-42
CHECKING THE SPARK PLUG CAP......................................................7-42
CHECKING THE IGNITION COIL............................................................7-43
CHECKING THE PICKUP COIL ..............................................................7-44
CHECKING THE STATOR COIL .............................................................7-44
CHECKING THE RECTIFIER/REGULATOR...........................................7-45
CHECKING THE HORN...........................................................................7-45
CHECKING THE SPEED SENSOR.........................................................7-46
CHECKING THE THERMO SWITCH ......................................................7-46
CHECKING THE CARBURETOR WARMER...........................................7-47
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