Inspection and Cleaning

1. Disconnect the spark plug cable from the spark plug.

NOTE:
Pull on the spark plug cable boot when removing the spark plug cable, not the cable, as it may be damaged.

2. Using a spark plug wrench, remove all of the spark plug from the cylinder head.

CAUTION:
Take care not to allow contaminants to enter through the spark plug holes.





3. Check the spark plugs for the following:
- Broken insulator.
- Worn electrode.
- Carbon deposits.
- Damaged or broken gasket.
- Condition of the porcelain insulator at the tip of the spark plug.





4. Check the spark plug gap using a wire gap gauge, and adjust if necessary.

Standard value: 1.0 - 1.1 mm (0.039 - 0.043 in.)





5. Re-insert the spark plug and tighten to the specified torque. If it is over torqued, damage to the thread portion of cylinder head might result.

Tightening torque .... 20 - 30 Nm (204 - 306 kg.cm, 15 - 21 lb.ft)