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4. Ignition spark gap
8 Disconnect the spark plug cap from the spark
8 Connect the ignition checker 1 as shown.
2 Spark plug cap
8 Set the main switch to “ON”.
8 Measure the ignition spark gap a.
8 Crank the engine by pushing the starter
switch and gradually increase the spark gap
until a misfire occurs.
Minimum ignition spark gap
6 mm (0.24in)
8 Is there a spark and is the spark gap within
The ignition system is
5. Spark plug cap resistance
8 Remove the spark plug cap from the spark
8 Connect the pocket tester (“Ω × 1k” range)
to the spark plug cap as shown.
8 Measure the spark plug cap resistance.
Spark plug cap resistance
Ω at 20°C (68°F)
8 Is the spark plug cap OK?
Replace the spark
6. Ignition coil resistance
8 Disconnect the ignition coil connectors from
the ignition coil terminals.
8 Connect the pocket tester (Ω × 1) to the ig-
nition coil as shown.
Positive tester probe
Negative tester probe
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