3. Maintenance Manual 3-17 Maintenance 3.1.4.5 Replacement of spark plugs Removal procedure CAUTION: - Do not remove the spark plug when the engine is hot to avoid damage to the spark plug threaded hole on the cylinder head. 1. Turn off all electrical appliances and the start switch. 2. Disconnect the battery negative terminal. 3. Remove the ignition coil. See 4.5.10.2 Removal and refitting of ignition coil 4. Remove the spark plug. a. Unscrew the spark plug in the direction as indicated by the arrow using the spark plug removal tool ① . Tightening torque: 25±2Nm. Refitting procedure The refitting procedure is performed in reverse order. CAUTION:
- When refitting the spark plug, check that the spark plug is of the correct type. - Check the spark plug for oil and carbon deposits at the position indicated by the arrow, and clean if necessary. - Check the electrode clearance a of the spark plug. The standard value of a is: 0.7 ~ 0.8mm. VOYAH FREE