Spark Plug: Service and Repair

Spark Plug Replacement

Removal Procedure

1. Remove the engine cover. Refer to Engine Cover Replacement (Service and Repair) .
2. Remove the spark plug wires. Refer to Spark Plug Wire Replacement (Service and Repair) .




3. Loosen each spark plug 1 or 2 turns.
4. Use a brush, or use compressed air in order to remove any dirt from the spark plugs.
5. Remove the spark plugs one at a time and place each plug in a tray marked with the corresponding cylinder numbers.



Installation Procedure





1. Inspect each spark plug gap. Adjust each plug as needed.

Spark plug gap: 1.524 mm (0.060 in).

2. Hand start the spark plugs in the corresponding cylinders.
Notice: Refer to Fastener Notice (Fastener Notice) .


3. Tighten the spark plugs.

* Tighten the engine spark plug on a NEW cylinder head to 20 N.m (15 lb ft).
* Tighten the engine spark plug on subsequent installations to 15 N.m (11 lb ft).


4. Install the spark plug wires. Refer to Spark Plug Wire Replacement (Service and Repair) .
5. Install the engine cover. Refer to Engine Cover Replacement (Service and Repair) .