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SPARK PLUG
Your motorcycle comes equipped
with NGK CR8EK or DENSO
U24ETR spark plugs. To deter-
mine if the standard spark plug is
right for your usage, check the
color of the plug’s porcelain cen-
ter electrode insulator after motor-
cycle operation. A light brown
color indicates that the plug is cor-
rect. A white or dark insulator indi-
cates that the engine may need
adjustment, or another plug type
may be needed. Consult your
Suzuki dealer or a qualified
mechanic if your plug insulator is
not a light brown color.
Plug Replacement Guide
NOTE: If the above-named plugs
are not available, consult your
Suzuki dealer.
NOTE: This motorcycle uses
resistor-type spark plug to avoid
jamming electronic parts.
Improper spark plug selection
may cause electronic interfer-
ence with your motorcycle’s igni-
tion system, resulting in
motorcycle performance prob-
lems. Use only the recommended
spark plugs.
CAUTION
An improper spark plug may
have an incorrect fit or heat
range for your engine. This
may cause severe engine dam-
age which will not be covered
under warranty.
Use one of the spark plugs
listed below or equivalent.
Consult your Suzuki dealer or a
qualified mechanic if you are
not sure which spark plug is
correct for your type of usage.
NGK DENSO REMARKS
CR7EK U22ETR
If the standard plug
is apt to get wet,
replace with this
plug.
CR8EK U24ETR Standard
CR9EK U27ETR
If the standard plug
is apt to overheat,
replace with this
plug.
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