Generac — Service Spark Plug
Maintenance
From a Generac owner'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
- Inspect electrode gap with wire feeler gauge
- Reset spark plug gap to 0.028-0.031 in (0.70-0.80 mm)
- Install spark plug finger tight
- Tighten an additional 3/8 to 1/2 turn using spark plug wrench
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Gap 0.028-0.031 in (0.70-0.80 mm)
Source: Generac owner'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.