Inspecting The Spark Plug - YAMAHA Marine 100A Manuel D'entretien

– +
ELEC
8290
IGNITION SYSTEM
8280
8285
8286

INSPECTING THE SPARK PLUG

1. Inspect:
• Spark plug cap
Loose connection → Tighten.
Cracks/damage → Replace.
Replacement steps (for Canada, NV and
South Africa)
(1) To remove the spark plug cap turn it
counterclockwise.
(2) To install the spark plug cap turn it
clockwise until it is tight.
Replacement steps (except for Canada,
NV and South Africa)
(1) Remove the spark plug cap off of the
lead.
(2) Remove the spark plug cap spring.
(3) Strip the insulation cover 5 mm (0.2 in)
a and spread the core wires outward.
(4) Fit the spark plug cap spring close to
the spread core wires and bend the
end of the spring around the lead.
(5) Install the spark plug cap spring into
the spark plug cap.
2. Measure:
(for Canada, NV and South Africa)
• Spark plug cap resistance
Out of specification → Replace.
Spark plug cap resistance
4.0 - 6.0 kΩ
8-15
E
CAPS8