Yamaha WaveRunner FX140 Manuel D'entretien page 508

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ELEC
ELECTRICAL COMPONENTS........................................................................ 7-1
ELECTRICAL BOX AND IGNITION COIL BOX .............................................7-2
EXPLODED DIAGRAM .............................................................................7-2
REMOVAL AND INSTALLATION CHART ................................................ 7-2
ELECTRICAL ANALYSIS ............................................................................. 7-11
INSPECTION........................................................................................... 7-11
Digital tester ......................................................................................7-11
Low resistance measurement ........................................................... 7-12
Peak voltage measurement ..............................................................7-12
Peak voltage adaptor ........................................................................7-13
Test harness ....................................................................................7-13
IGNITION SYSTEM ....................................................................................... 7-14
WIRING DIAGRAM ................................................................................. 7-14
IGNITION SPARK GAP...........................................................................7-16
IGNITION SYSTEM PEAK VOLTAGE ....................................................7-17
BATTERY ................................................................................................7-19
FUSE ....................................................................................................... 7-19
SPARK PLUGS ....................................................................................... 7-19
SPARK PLUG LEAD ASSEMBLY........................................................... 7-19
IGNITION COIL ....................................................................................... 7-20
ENGINE STOP SWITCH.........................................................................7-20
ENGINE TEMPERATURE SENSOR ......................................................7-21
INTAKE AIR TEMPERATURE SENSOR ................................................ 7-21
THERMOSWITCH (ENGINE).................................................................. 7-22
THERMOSWITCH (EXHAUST) ..............................................................7-22
MAIN AND FUEL PUMP RELAY............................................................. 7-23
THROTTLE POSITION SENSOR ........................................................... 7-24
CAM POSITION SENSOR ...................................................................... 7-25
INTAKE AIR PRESSURE SENSOR........................................................ 7-26
SLANT DETECTION SWITCH ................................................................7-27
CHAPTER 7
ELECTRICAL SYSTEM
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