Replace Spark Plug - Craftsman 107.289860 Operator's Manual

REPLACE SPARK PLUG
Service Interval: Yearly
Replacement Spark Plug: 491055S
Spark Plug Gap: .030" (.76 mm)
1. Stop the engine and allow it to cool.
2. Clean the area around the spark plug.
3. Remove the spark plug.
4. Check the spark plug gap. It should be .030" (see
Figure 34).
5. Reinstall the plug into the cylinder head. Tighten the
plug to 180 in-lbs (20 Nm).
.030" (.76 ram)
Figure 33. Spark Plug Gapping
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