Spark Plug: Service and Repair

1. Remove the spark plug wire from the spark plug.
2. Loosen the spark plug.

CAUTION: If reversing existing spark plugs, mark their location before removal.

WARNING: Always wear eye protection when using compressed air.

NOTE: Use compressed air to remove any debris from the spark plug well before removing the spark plugs.

3. Remove the spark plug.
4. Inspect the spark plugs.




NOTE: Refer to the chart to determine the condition of the spark plugs.




5. Check and adjust the spark plug gap as necessary.

NOTE: Platinum-enhanced spark plugs should not require adjustment throughout their service life.




6. Install in reverse order of removal.