Briggs & Stratton — Service Spark Plug
Maintenance · Ignition system
From a Briggs & Stratton operator's manual — check it applies to your exact model before use.
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Procedure
- Clean area around spark plug
- Remove and inspect spark plug
- Replace spark plug if electrodes pitted, burned, or porcelain cracked
- Check electrode gap with wire feeler gauge and reset to spec if needed
- Install spark plug and tighten firmly
Tools required
- Wire feeler gauge Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Spark plug gap 0.030 in. (0.76 mm)
Source: Briggs & Stratton operator's manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.