MAINTENANCE
Spark Plug
Spark Plug Inspection and Replacement
2.Remove the spark plug cap (B).
3.Clean any dirt from around the base of the spark plug.
4.Using a spark plug wrench, remove the spark plug.
5.Inspect the electrode for wear and carbon buildup. Look for a sharp outer edge with no rounding or erosion of the electrode.
B
Inspect electrode for wear and buildup
6.Inspect spark plug. Replace if electrode is worn or if the insulator is cracked, chipped, or fouled.
7.Using a
bending the side electrode. The | Spark plug gap | |
gap should be 0.6 - 0.7 mm | ||
| ||
(0.024 - 0.028 in). |
|
8.Ensure the spark plug sealing washer is in good condition and thread the spark plug in by hand to prevent
A loose spark plug can overheat and damage the engine. Over tightening the spark plug can damage the plug threads.
9.After a new spark plug has been seated by hand, it should be tightened 1/2 turn with a wrench to compress its washer. If a used plug is being reinstalled, it should only require 1/8 to 1/4 turn after being seated.
10.
11.
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