MAINTENANCE
2.20
SPARK PLUG
1. Removesparkplughightensionlead. Cleanplugarea
so no dirt and debris can fall into engine when plug is
removed.
2. Remove spark plug.
3. Inspect electrodes for wear and carbon buildup. Look
for a sharp outer edge with no rounding or erosion of
the electrodes.
4. Clean with electrical contact cleaner or a glass bead
spark plug cleaner only. CAUTION: A wire brush or
coated abrasive should not be used.
5. Measure gap with a wire gauge. Refer to
specifications for proper spark plug type and gap.
Adjust gap if necessary by bending the side electrode
carefully.
6. If necessary, replace spark plug with proper type.
CAUTION: Severe engine damage may occur if the
incorrect spark plug is used.
7. Apply a small amount of anti-seize compound to the
spark plug threads.
8. Install spark plug and torque to 14 ft. lbs.
IGNITION TIMING
Refer to Electrical chapter for ignition timing procedure.
Engine-To-Frame Ground
Inspect engine-to-frame ground cable connection. Be
sure it is clean and tight.
Recommended Spark Plug:
Refer to Specifications
Spark Plug Torque: 14 Ft. Lbs.
(19 Nm)
.024 - .028″ (. 6 - .7 mm)
Spark Plug Gap
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