4－7
4.6 Ignition Coil
Igniting coil gap adjustment
When reinstalling ignition coils, adjust the air
gap to: (0.015” – 0.020”)
1) Lightly tighten the igniting coil mounting bolt.
2) Insert the feeler gauge or a piece of paper of the same
thickness between the flywheel and coil as shown.
3) Push the coil against the flywheel by hand and tighten
the two bolts.
NOTICE
a) Adjust both ends of the coil to the same gap.
b) Avoid the magnet portion of the flywheel
when adjusting.
c) Inspect your work
Ignition Coil：
<Primary coil>
Put the tester terminal and lead terminal to contact with iron core of coil, and measure the primary coil resistance.
<Secondary coil>
Put the tester terminal and removed spark plug cap’s high tension
cord to contact with iron cord and measure the secondary coil resistance.
Adjustment
Adjustment is required only when the ignition coil or the flywheel has been removed.
1. Loosen the ignition coil mounting bolts.
2. Insert the thickness gauge or a piece of paper of the proper thickness between the ignition coil and the
flywheel, both gaps should be adjusted simultaneously. Avoid the magnet when adjusting the air gap.
3. Push the ignition coil firmly toward the flywheel and tighten the mounting bolts.
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