Home›Repair guides›Generac›Spark Plug Replacement

Generac HomeLink 6500 Series — Spark Plug Replacement

Maintenance

For the Generac HomeLink 6500 Series, from the Generac owner's manual.

Applies to: Generac HomeLink 6500 Series

Before you start

  • When working on the generator, always disconnect spark plug wire from spark plug and keep wire away from spark plug.

Procedure

  1. Stop the engine and shut off the fuel valve. Allow the engine to cool.
  2. Remove the spark plug boot from the plug and clean that area of the cylinder head.
  3. Use a 13/16 in. (21mm) spark plug tool to remove the spark plug.
  4. Set the new spark plug's gap to 0.028-0.031 in. (0.70-0.80 mm).
  5. Install the correctly gapped spark plug into the cylinder head and torque to 18-21.6 ft./lbs. (24.4-29.3 Nm).
  6. Reconnect the spark plug wire.

Tools required

  • 13/16 in. (21mm) spark plug tool Amazon

Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.

Specs & values

  • Champion N9YC or equivalent
  • Gap 0.028-0.031 in. (0.70-0.80 mm)
  • Torque 18-21.6 ft./lbs. (24.4-29.3 Nm)

Full service-parts list: Generac HomeLink 6500 Series →

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.

More Generac repair guides →