Maintenance
SiAUY361411EA
217
Maintenance / Service Data
4
Replacing the spark plug
Part name Spark plug
Tools/materials Plug wrench (hexagon head: 16 mm), thickness gauge
Step
Task
Remarks
(1) See "Basics" (
page
21
3
)
(2) Remove the high volt-
age cord
1.
Caution: The parts remain hot for some time after stopping the
engine.
2.
Pull the cord out straight.
•
Prevent burns.
•
Take care not to
damage the connecting
portion.
•
Take care not to hit your
hands against
surrounding parts when
pulling out the cord.
(3) Remove the spark plug Use a plug wrench to remove the plug.
Take care not to drop and
damage the plug.
(4) Replace the spark plug
(Install a new spark
plug)
1.
Check the gap using a thickness gauge.
+0
Standard gap value
: 0.45 mm
-0.1
2.
First tighten the plug by hand and finally tighten it with a plug wrench.
Standard tightening torque value
: 24 to 34 N
·
m
Take care not to damage
the engine-side thread
ridges.
(5) Connect the high volt-
age cord
Plug in the cord until a click is heard.
Make sure that the
connections are correct.
Center
electrode
Side electrode
Clearance
025960-00E
Plug wrench
Fasten manually
025961-00E
ź
Spark plug installation
Tighten the plug with a plug wrench.
ź
Electrode of spark plug
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