Maintenance Inspection
Replace1. Spark plugs must spark properly to assure proper engine performance and reduce exhaust emission level.
Therefore, they should be replaced periodically with new ones.
2. The new plugs should be checked for the proper gap.
Spark Plug Gap: 1.0 - 1.1 mm (0.039 - 0.043 in.)
3. Install the spark plug and tighten to 20 - 30 Nm (15 - 21 ft.lbs.)