Checking The Spark Plug Cap; Checking The Ignition Coil - SELVA MARINE Kingfish 25 Service Manual

ELEC
Ignition tester (spark gap tester) 1:
90890-06754
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.
OK
1
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.
5-11
Electrical system
Spark plug cap resistance
(reference data): 5.0 kΩ
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.
É
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 kΩ at 20 °C (68 °F)
4. Install the spark plug caps to the spark
plug wires by turning the spark plug caps
clockwise.
5. Connect the ignition coil connectors.
È
O
B