Generac 006000-0 — Replacing the Spark Plug
Maintenance
For the Generac 006000-0, from the Generac owner's manual.
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Before you start
- When working on the generator, always disconnect spark plug wire from spark plug and keep wire away from spark plug.
Procedure
- Stop the engine and shut off the fuel valve on the cylinder and remove.
- Using a 13mm wrench and 6mm Allen wrench, remove four flat head screws and two hex nuts from side panel and 3 button head screws near top cover.
- Remove the exhaust side panel to gain access to the spark plug.
- Remove the spark plug wire and clean that area of the cylinder head.
- Use a 21mm (13/16") spark plug socket to remove the spark plug.
- Set new spark plug gap to 0.70-0.80 mm (0.028-0.031 in), install into cylinder head and tighten to 18.0 to 21.6 Pound/Feet.
- Reconnect the spark plug wire and replace the exhaust side panel and seven fasteners.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- NGK BPR7ES spark plug or equivalent
- Spark plug gap 0.70-0.80 mm (0.028-0.031 in)
- Spark plug torque 18.0 to 21.6 Pound/Feet
- Replace the plug once each year
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.