Spark Plug: Service and Repair

Spark Plug Replacement

Removal Procedure




1. Remove the spark plug wire. Refer to Spark Plug Wire Replacement (Service and Repair).
2. Remove the washer solvent container to gain access to the #2 spark plug. Refer to Windshield Washer Solvent Container Replacement (Service and Repair).
3. Loosen the spark plug 1-2 turns.
4. Brush or using compressed air, blow away any dirt from around the spark plug.
5. Remove the spark plug.
If removing more than one plug, place each plug in a tray marked with the corresponding cylinder number.

Installation Procedure




1. Correctly position the spark plug washer.
2. Inspect the spark plug gap. Adjust the gap as needed.

Spark plug gap: 1.524 mm (0.060 in)

3. Hand start the spark plug in the corresponding cylinder.

Caution: Refer to Fastener Caution (Fastener Caution).

4. Tighten the spark plug.

* For used heads, tighten the plug to 15 Nm (11 ft. lbs.).
* For NEW heads, tighten the plug to 20 Nm (15 ft. lbs.).

5. Install the spark plug wire. Refer to Spark Plug Wire Replacement (Service and Repair).
6. If removed, install the washer solvent container. Refer to Windshield Washer Solvent Container Replacement (Service and Repair).