ELECTRICAL SYSTEM
IGNITION
SY
STEM ........
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.... 8-1
CIRCUIT DIAGRAM .....................................................................
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............ 8-1
ENGINE STOPPING DUE
TO
SIDESTAND OPERATION ..........
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............ 8-3
TROUBLESHOOTING .......................................................................
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....... 8-4
ELECTRIC STARTING SYSTEM ...............................................
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..............
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.... 8-7
CIRCUIT DIAGRAM .............................................................
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......
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............ 8-7
STARTING CIRCUIT CUT-
OFF
SYSTEM OPERATION ......
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........... 8-9
TROUBLESHOOTING ..........................................................
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......
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.......... 8
-11
C
HAR
G
IN
G SYSTEM ....
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.. 8-13
CIRCUIT DIAGRAM ...........
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.......
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.......... 8
-1
3
TROUBLESHOOTING ........
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.......
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.......
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.......... 8-15
LIGHTING SYSTEM ......
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.. 8-17
CIRCUIT DIAGRAM ............................................
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.......
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.................. 8-17
TROUBLESHOOTING ........
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.......... 8
-1
9
SIGNALING SYSTEM ....
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.. 8-21
CIRCUIT DIAGRAM ............................................
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.......
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.................. 8-21
TROUBLESHOOTING .............................................................................. 8-23
COOLING SYSTEM .......
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......... 8-
27
CIRCUIT DIAGRAM ............................................
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.......
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.................. 8-27
TROUBLESHOOTING .............................................................................. 8-
29
FUEL INJECTION SYSTEM .......................................
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.. 8-31
CIRCUIT DIAGRAM ...................
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.......
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.................. 8-31
ECU SELF-DIAGNOSTIC FUNCTION .........................
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.................. 8-33
TROUBLESHOOTING METHOD .................................
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..............
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.......... 8-
35
DIAGNOSTIC MODE ................................................................................ 8-36
YAMAHA DIAGNOSTIC TOOL ...................
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.......... 8-
37
TROUBLESHOOTING DETAILS
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.......
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.......... 8-
38
FUEL PUMP SYSTEM ...
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.. 8-81
CIRCUIT DIAGRAM ............................................
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.......
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.................. 8-81
TROUBLESHOOTING .........
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......... 8-
83
ELECTRIC
AL
COMPONENTS ..........................
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...............................
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.......... 8-
85
CHECKING THE SWITCHES .......................................
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......
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.................. 8-89
CHECKING THE BUL
BS
AND BULB SOCKETS .................
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.................. 8-92
CHECKING THE FUSES ..............................................
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.......... 8-
93
REPLACING THE ECU (engine control uni
t)
.......................
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.......... 8-
93
CHECKING AND CHARGING THE BATTERY
.............
....
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......
..
.......
8-
94
CHECKING THE RELAYS ...................................................
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.......... 8-
97
CHECKING THE TURN SIGNAUHAZARD RELAY
...........
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..
.......
8-
98
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