Generac GP2500i — Service Spark Plug
Maintenance · ignition
For the Generac GP2500i, from the Generac owner's manual.
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Before you start
- Replace spark plug if electrodes are pitted, burned or porcelain is cracked
Procedure
- Remove spark plug cover
- Clean area around spark plug
- Remove and inspect spark plug
- Inspect electrode gap with feeler gauge, reset gap to 0.6-0.7 mm (0.024-0.028 in)
- Install spark plug finger tight, tighten additional 3/8 to 1/2 turn with 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 0.6-0.7 mm (0.024-0.028 in)
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.