Home›Repair guides›Generac›Spark Plugs - Clean, Gap or Replace

Generac 6.8 L / QT 130kW — Spark Plugs - Clean, Gap or Replace

Maintenance

For the Generac 6.8 L / QT 130kW, from the Generac owner's manual.

Applies to: Generac V-type engine

Procedure

  1. Clean area around base of spark plugs to keep dirt and debris out. Do not blast the spark plugs.
  2. Remove the spark plugs and check condition. Replace if worn or reuse is questionable.
  3. Check gap using a wire feeler gauge. Adjust gap to 1.14 mm (0.045 inch) by bending ground electrode.

Tools required

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

Specs & values

  • Spark plug gap 1.14 mm (0.045 inch)

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 →