38
SPARK PLUG
PLUG GAP
●
If th e plug of differen t maker or
different heat valu e is used , it
cau ses un sati sfacto ry eng in e
starting, inadequate engine revol-
ution and output deterioration.
●
The spark pl ug must be s ecurely
t i g h t e n e d . An improperly tightened
plug can beco me v ery h ot and
possibly damage the engine.
●
To install a spark plug, turn it in as
far as possible with your fing ers,
then t ig hten i t wit h a w rench .
Do not overtighten or cross thread
the spark plu g or th e alu minu m
threads of the cylinder head will be
d a m a g e d .Do not allow contaminants
to enter the engine through the spark
plug hole when the plug is removed.
If electrode is stained or plug gap is not
right, satisfactory spark is not produced.
Clean and make adjustment.
●
Remove spark plug cap.
●
Clean around the plug.
●
Using a plug wrench, remove plug.
●
Clean plug with plug cleaner.
●
Check electrode for wear and corrosion.
if the center of electrode became round,
replace the electrode.
●
Meas ure the spark plug g ap using a
feeler gauge.
PLUG GAP: 0.8-0.9mm
●
Tig ht en wi th han ds u nti l the pl ug
washer touches cylinder head.
STANDARD PLUG: CR8EH-9
●
If new plug is installed, turn 1/2 and
tighten using a plug wrench.
If plug is reused, turn 1/3~1/4 and
t i g h t e n
<DEALING WITH POOR STARTING>
When the start er do esn ’t work during
driving in winter times or in a repeated
short distance, use the suitable spark plug
for this driving condition.
Poor starting may happen when nonstop
driv ing in low speed , ev en thoug h we
produce standard plug.
In case starter isn’t working well in driving
repeatedly in a short distance or in an area
with many traffic signals, use the CR7EH-9
plug instead of standard plug CR8EH-9
영문-메뉴얼작업 2005.12.29 5:14 PM 페이지38
Summary of Contents for VS125
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Page 54: ...52 WIRING DIAGRAM 2005 12 29 5 16 PM 52...
Page 55: ...53 2005 12 29 5 16 PM 53...
Page 56: ...54 MEMO 2005 12 29 5 16 PM 54...
Page 57: ...55 MEMO 2005 12 29 5 16 PM 55...
