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Kohler 30RCL / KG2204 — Replace the Spark Plugs

Maintenance · Ignition system

For the Kohler 30RCL / KG2204, from the Kohler operator's manual.

Applies to: Kohler 30RCL, Kohler KG2204 / KG2204T engine

Before you start

  • Electrical shock can cause injury. Do not touch wires while engine is running.

Parts for this job

Part numbers from the service-parts list for Kohler 30RCL. Verify against your serial number before ordering; some links are affiliate links.

Procedure

  1. Stop the engine and allow it to cool.
  2. Use a cloth to wipe dirt and oil away from the area around each of the four spark plug wires.
  3. Disconnect the spark plug wires.
  4. Wipe the interior of the spark plug tubes.
  5. Use a spark plug wrench to remove the old spark plugs.
  6. Measure the gap on each new spark plug with a gap tool and adjust to specification.
  7. Install the new spark plugs in the cylinder head.
  8. Tighten the spark plugs to specification.

Tools required

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

Specs & values

  • Spark plug gap KG2204 Amazon eBay: 0.9-1.0 mm (0.036-0.040 in.)
  • Spark plug gap KG2204T Amazon eBay: 0.7-0.8 mm (0.028-0.031 in.)
  • Spark plug torque KG2204 Amazon eBay: 18 N.m (13.3 ft.lb.)
  • Spark plug torque KG2204T Amazon eBay: 25 N.m (18.4 ft.lb.)

Full service-parts list: Kohler 30RCL →

Source: Kohler operator'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.

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