Kohler 30RCL / KG2204 — Check and Adjust 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
- Label or mark spark plug wires before disconnecting. Spark plug wires MUST be reinstalled in proper order as removed.
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
- Stop the engine and allow it to cool.
- Use a cloth to wipe dirt and oil away from the area around each of the four spark plug wires.
- Disconnect the spark plug wires.
- Wipe the interior of the spark plug tubes.
- Use a spark plug wrench to remove the spark plugs.
- Inspect the electrodes; they should be light brown. Replace if burned, sooty, or fouled with oil.
- Inspect the spark plug body for cracks, damage, or discoloration and check the O-ring.
- Measure the gap on each spark plug with a gap tool and adjust to specification.
- Install the spark plugs in the cylinder head.
- Tighten the spark plugs to specification.
- Install the spark plug wires to the spark plugs.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
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.