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SG060A1-E
SPARKING PLUG REPLACE-
MENT
0.039 ~ 0.043 in.
(1.0 ~ 1.1 mm )
This operation should only be performed
when the engine is cold.
1. Remove the centre cover from the
engine rocker cover.
2. Remove plug lead from the sparking
plug to be replaced, pulling the lead
by the rubber cap. (Pulling the lead
may damage the carbon conductor).
3. Clean around the base of the plug to
be removed, and install the plug
socket ensuring that the ceramic
insulator does not become damaged.
Turn the socket counterclockwise to
remove the plug.
tbuk-6.p65
13
!
CAUTION:
Sparking plugs must only be cleaned
using purpose designed equipment.
Wire brushing may damage the cen-
tre electrodein-sulator causing mis-
firing to occur. Only the correct grade
of sparking plug should be used.
Use of an incorrect grade may result
in serious engine damage.
Prior to installing a sparking plug, the
gap between the centre and outer elec-
trodes must be checked and adjusted
G060A01L
as necessary.
Adjustment is facilitated by bending the
outer electrode towards or away from
the centre electrode. Under no circum-
stances should attempts be made to
adjust the position of the centre elec-
trode.
4. Insert the sparking plug into the cyl-
inder head and screw by the wrench
and until the plug contacts the seat-
ing area. Tighten the plug with the
socket by a further 1/2 to 3/4 of a turn
only.
DO-IT-YOURSELF MAINTENANCE
5. Replace the plug lead ensuring that
the cap is pushed firmly into place.
Confirm that the cap is correctly
seated by lightly pulling upon it.
NOTE:
When replacing the spark plug, al-
ways use the genuine parts recom-
mended.
Recommended Spark Plugs
Unleaded
engine
CHAMPION
RC10YC4
NGK
BKR5ES-11
3/23/04, 4:26 PM
6- 13
Leaded
engine
RC10YC
BKR5ES
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