User`s manual

SPARK PLUG

Disconnect the spark plug cap.

Clean the spark plug vicinity,

e.g. use compressed air. Uns-

crew the spark plug using the

socket wrench provided.

The spark plug shall be chec-

ked or replaced as indicated in

the Maintenance Plan (page

49).

Check the following:

- Insulator damage

- Electrode wear

- Ignition contact color

(good condition if dark to light brown; very light colour indi-

c ate s i gn it io n sy ste m f ai lures or po or fue l mix ture; wet or black

electrode indicates too rich fuel mixture or engine damage)

- Spark plug gap, adjust it, if required

Spark plug gap: 0,7 ± 0,05 mm

In case of electrode wear, aggregated fouling or of service inter-

val expiration replace the spark plug with a new one. (check the

spark gap)

Spark plug: BRISK AR14YS

Screw the new spark plug in manually, then use the socket

wrench to tighten it to the prescribed torque.

Tightening torque: 10 - 12 N.m (7.4 - 8.9 lbf.ft)

Connect the spark plug cap.

NOTE:

Any excessive tightening of the spark plug might result in engine

damage.