Electrical System - Yamaha F6Z Service Manual

ELECTRICAL COMPONENTS ..........................................................................8-1
(ONE LIGHTING COIL MODEL) ................................................................8-1
Top view and left side view .....................................................................8-1
Details of the wiring harness connection ...............................................8-2
(TWO LIGHTING COILS MODEL) .............................................................8-3
Top view, front view and left side view ..................................................8-3
Details of the wiring harness connection ...............................................8-4
ELECTRICAL COMPONENTS ANALYSIS .......................................................8-5
DIGITAL CIRCUIT TESTER ........................................................................8-5
MEASURING THE PEAK VOLTAGE .........................................................8-5
PEAK VOLTAGE ADAPTOR ......................................................................8-5
MEASURING A LOW RESISTANCE .........................................................8-6
IGNITION SYSTEM ..........................................................................................8-7
CHECKING THE SPARK PLUGS ...............................................................8-8
CHECKING THE IGNITION SPARK GAP ..................................................8-8
CHECKING THE SPARK PLUG CAPS AND IGNITION COIL ...................8-8
CHECKING THE CHARGE COIL ..............................................................8-10
CHECKING THE PULSER COIL ...............................................................8-10
CHECKING THE CDI UNIT ......................................................................8-11
IGNITION CONTROL SYSTEM .....................................................................8-12
CHECKING THE ENGINE STOP SWITCH ..............................................8-13
CHECKING THE PULSER COIL ...............................................................8-13
CHECKING THE OIL PRESSURE SWITCH .............................................8-14
CHECKING EMERGENCY SIGNAL LIGHT .............................................8-14
CHARGING SYSTEM .....................................................................................8-15
(ONE LIGHTING COIL MODEL) ..............................................................8-15
(TWO LIGHTING COILS MODEL) ...........................................................8-16
CHECKING THE BATTERY ......................................................................8-17
CHECKING THE LIGHTING COIL ............................................................8-17
CHECKING THE RECTIFIER AND RECTIFIER/REGULATOR .................8-18
CHAPTER 8

ELECTRICAL SYSTEM

8