Electrical System - Yamaha EK25BMH Service Manual

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ELECTRICAL COMPONENT .......................................................................... 8-1
ELECTRICAL COMPONENTS ANALYSIS .....................................................8-2
DIGITAL CIRCUIT TESTER ...................................................................... 8-2
MEASURING THE PEAK VOLTAGE ........................................................ 8-2
PEAK VOLTAGE ADAPTER ...................................................................... 8-2
MEASURING A LOW RESISTANCE .............................................................. 8-3
IGNITION SYSTEM ........................................................................................ 8-4
WIRING DIAGRAM ..................................................................................8-4
CHECKING THE SPARK PLUGS ............................................................. 8-5
CHECKING THE IGNITION SPARK GAP ................................................ 8-5
CHECKING THE SPARK PLUG CAPS ..................................................... 8-6
REMOVING THE SPARK PLUG CAPS (STANDARD TYPE) ...................8-6
INSTALLING THE SPARK PLUG CAPS (STANDARD TYPE) .................8-6
CHECKING THE IGNITION COILS .......................................................... 8-7
CHECKING THE CHARGE COIL .............................................................. 8-8
CHECKING THE PULSER COIL ............................................................... 8-9
CDI UNIT ................................................................................................ 8-10
CHECKING THE CDI UNIT .................................................................... 8-11
IGNITION CONTROL SYSTEM .................................................................... 8-13
WIRING DIAGRAM ................................................................................ 8-13
CHECKING THE ENGINE STOP SWITCH ............................................. 8-14
CHARGING SYSTEM ................................................................................... 8-15
WIRING DIAGRAM ................................................................................ 8-15
CHECKING THE LIGHTING COIL .......................................................... 8-16
CHAPTER 8

ELECTRICAL SYSTEM

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