5-11
ELEC
Electrical system
TIP:
Repeat steps 2–4 for each spark plug cap.
3.
Crank the engine and check for a spark.
If there is no spark, check the ignition
system.
WARNING! Do not touch any
of the connections of the special ser-
vice tool.
TIP:
Do not remove the clip from the engine shut-
off switch.
4.
Disconnect the special service tool.
5.
Connect the spark plug caps.
Checking the spark plug cap
1.
Remove the spark plug caps from the
spark plug wires by turning the spark
plug caps counterclockwise.
2.
Measure the spark plug cap resistance.
3.
Install the spark plug caps to the spark
plug wires by turning the spark plug caps
clockwise.
Checking the ignition coil
1.
Disconnect the ignition coil connectors.
2.
Remove the spark plug caps from the
spark plug wires by turning the spark
plug caps counterclockwise.
3.
Measure the ignition coil resistance.
4.
Install the spark plug caps to the spark
plug wires by turning the spark plug caps
clockwise.
5.
Connect the ignition coil connectors.
Ignition tester (spark gap tester)
1
:
90890-06754
1
OK
Spark plug cap resistance
(reference data): 5.0 k
Ω
Ignition coil resistance (reference data):
È
Primary coil:
Orange (O)–Black (B)
0.26–0.35
Ω
at 20 °C (68 °F)
É
Secondary coil:
Spark plug wire–Spark plug wire
6.8–10.2 k
Ω
at 20 °C (68 °F)
B
O
È
É
Summary of Contents for Kingfish 25
Page 1: ...YAMAHA MOTOR CO LTD F4A F4 Goldfish 4 Kingfish 25 SERVICE MANUAL...
Page 4: ......
Page 20: ...0 15 GEN INFO General information MEMO...
Page 45: ...1 25 SPEC Specification MEMO...
Page 65: ...2 19 TECH FEA Technical features and description MEMO...
Page 81: ...3 17 RIG GING Rigging information MEMO...
Page 215: ...7 67 POWR Power unit MEMO...
Page 229: ...LOWR Lower unit 8 11 0 A...
Page 392: ...A Appendix Wiring diagram A 1 How to use the wiring diagram A 1...
Page 394: ......
Page 395: ......