Spark Plug: Service and Repair

Removing And Fitting Spark Plugs

Tools







Technical values







Preliminary work for removing spark plugs
1. Remove rear cover.

Removal

Removing spark plugs
1. Slide rubber sleeves of ignition coil plug connections upwards.
2. Release and pull off plugs on each ignition coil.







3. Unscrew two M6 x 25 fastening screws -arrow- each per ignition coil and remove the six ignition coils individually.

CAUTION:
Incorrect tool for changing the spark plugs.
- Ceramic body breaks.
- Use approved tool only.

4. Unscrew spark plugs using the tool spark plug socket wrench NR.14 with 3/8" extension, 16 degrees movable NR.15.

Installation

Installing spark plugs

CAUTION:
Incorrect tool for changing the spark plugs.
- Ceramic body breaks.
- Use approved tool only.







1. Install spark plugs using spark plug socket wrench NR.14 and 3/8" extension, 16 degrees moveable NR.15. The tightening torque is reduced if the spark plugs are removed and installed again for another activity. Do not get spark plugs mixed up during reinstallation.







2. Insert ignition coils into the spark-plug recesses and tighten using two M6 x 25 fastening screws each. - Tightening torque: 7.5 ft. lbs.
3. Attach connector for each ignition coil (connector must engage audibly).
4. Slide on rubber sleeves for ignition coil plug connections.

Subsequent work for installing spark plugs
1. Install rear cover.