SELVA MARINE Kingfish 25, Service Manual

Page: 93 / 398

ELEC
Electrical system
Electrical component and wiring harness routing
............ 5-1
Port view..................................................................................... 5-1
Starboard view ........................................................................... 5-4
Front view................................................................................... 5-5
Top view ..................................................................................... 5-7
Tiller handle................................................................................ 5-8
Circuit diagram
............................................................................ 5-9
CDI unit coupler layout
............................................................. 5-9
Checking the electrical component
.................................... 5-10
Measuring the peak voltage ..................................................... 5-10
Using the digital tester.............................................................. 5-10
Ignition unit and components
............................................... 5-10
Checking the ignition spark ...................................................... 5-10
Checking the spark plug cap .................................................... 5-11
Checking the ignition coil.......................................................... 5-11
Checking the pulser coil ........................................................... 5-12
Checking the charge coil .......................................................... 5-12
Checking the CDI unit .............................................................. 5-13
Checking the thermo sensor .................................................... 5-13
Checking the oil pressure switch .............................................. 5-14
Checking the alert indicator...................................................... 5-15
Checking the Prime Start ......................................................... 5-15
Checking the engine start button
(tiller handle model with electric starter) ................................... 5-16
Checking the engine start switch (remote control model) ........ 5-17
Checking the engine shut-off switch (tiller handle model) ........ 5-17
Checking the engine shut-off switch (remote control model) ... 5-18
Starting unit and components
.............................................. 5-18
Checking the fuse (electric starter model) ................................ 5-18
Checking the starter relay (electric starter model).................... 5-18
Checking the neutral switch
(tiller handle model with electric starter) ................................... 5-19
Checking the neutral switch (remote control model) ................ 5-20
Starter motor
.............................................................................. 5-21
Removing the starter motor ...................................................... 5-22
Checking the starter motor operation ....................................... 5-22
Checking the magnet switch .................................................... 5-22
Checking the starter motor pinion ............................................ 5-22
Disassembling the starter motor............................................... 5-22
Checking the armature (starter motor) ..................................... 5-24