3. Ignition spark gap
• Disconnect the spark plug cap from the
spark plug.
• Connect the pulse ignition spark checker or
ignition checker ① as shown.
② Spark plug cap
• Turn the main switch to “ON”.
• Check the ignition spark gap ○
a
.
• Crank the engine by pushing the starter
switch, and increase the spark gap until a
misfiring occurs.
Minimum spark gap
6.0 mm (0.24 in)
OUT OF SPECIFICATION OR
NO SPAR
4. Spark plug cap resistance
• Remove the spark plug cap.
• Connect the pocket tester (Ω × 1k) to the
spark plug cap.
• Check that the spark plug cap has the
specified resistance.
Spark plug cap resistance
10 kΩ at 20 °C (68 °F)
MEETS SPECIFICATION
5. Ignition coil resistance
• Disconnect the ignition coil connector from
the wire harness
• Connect the pocket tester (Ω × 1) to the
ignition coil.
Tester (+) lead
Orange lead terminal
Tester (–) lead Ignition coil base
• Check that the primary coil has the specified
INCORRECT
Repair or replace the spark plug.
MEETS SPECIFICATION
The ignition system is not faulty.
OUT OF SPECIFICATION
Replace the spark plug cap.