Yamaha F40B - Electrical System

67C3K11
ELEC
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Electrical system
Electrical component and wiring harness routing......................................8-1
Top view ....................................................................................................8-1
Bow view ...................................................................................................8-2
Port view....................................................................................................8-3
Tiller handle ...............................................................................................8-5
Checking the electrical component..............................................................8-7
Measuring the peak voltage ......................................................................8-7
Starter motor (E and W model) .....................................................................8-8
Removing the starter motor .......................................................................8-9
Checking the starter motor operation ........................................................8-9
Disassembling the starter motor................................................................8-9
Checking the starter motor pinion............................................................8-10
Checking the starter motor ......................................................................8-10
Checking the brush holder and brush......................................................8-11
Assembling the starter motor...................................................................8-11
Installing the starter motor .......................................................................8-13
Starting system ............................................................................................8-13
Checking the fuse (E and W model)........................................................8-13
Checking the engine start switch.............................................................8-13
Checking the neutral switch (E and W model).........................................8-14
Checking the starter relay (E and W model)............................................8-15
Ignition and ignition control system ..........................................................8-15
Checking the ignition spark .....................................................................8-15
Checking the spark plug cap ...................................................................8-16
Checking the ignition coil.........................................................................8-16
Checking the pulser coil ..........................................................................8-17
Checking the charge coil .........................................................................8-17
Checking the engine shut-off switch (M model).......................................8-18
Checking the engine shut-off switch (E and W model)............................8-19
Engine electric control system...................................................................8-19
Checking the CDI unit..............................................................................8-19
Checking the thermo sensor....................................................................8-21
Checking the oil pressure switch .............................................................8-21
Checking the warning indicator assembly ...............................................8-23
Checking the power bobbin (for Prime Start) ..........................................8-25
Charging system..........................................................................................8-25
Checking the lighting coil.........................................................................8-25
Checking the Rectifier Regulator (E and W model).................................8-26