Spark Plug: Service and Repair

SPARK PLUG REMOVAL/INSTALLATION [MZR 1.5]

CAUTION:
- If a spark plug that is not as specified is installed, engine performance will be deteriorated. Install only the specified spark plug when replacing.

1. Disconnect the negative battery cable.

CAUTION:
- Removing the fresh-air duct from the air cleaner case may damage the fresh-air duct. Remove the fresh-air duct and the air cleaner case as a single unit except when the fresh-air duct is to be replaced with a new one.

2. Remove the fresh-air duct and air cleaner as a single unit. Service and Repair

3. Remove the ignition coils. Service and Repair

4. Remove the spark plugs using a plug-wrench.

5. Install in the reverse order of removal.

Tightening torque
- 15-22 Nm {1.6-2.2 kgf-m, 12-16 ft-lbf}