Removal Procedure
- Remove the spark plug wires. Refer to
Spark Plug Wire Replacement
.
- Loosen each spark plug 1 or 2 turns.
- Brush or air blast away any dirt from around the spark plugs.
- Remove the spark plugs 1 at a time. Place each plug in a tray
marked with the corresponding cylinder numbers.
Installation Procedure
- Properly position each spark plug washer.
- Inspect each spark plug gap. Adjust each plug as needed.
Specification
Spark plug gap: 1.524 mm (0.060 in)
- Hand start the spark plugs in the corresponding cylinders.
Notice: Refer to Fastener Notice in the Preface section.
- Tighten the spark plugs.
Tighten
• | For used heads tighten the spark plugs to 15 N·m
(11 lb ft). |
• | For new aluminum heads tighten the spark plugs to 20 N·m
(15 lb ft). |
• | For new iron heads, tighten the spark plugs to 30 N·m
(22 lb ft). |
- Install the spark plug wires. Refer to
Spark Plug Wire Replacement
.