56
SPARK PLUG
Your outboard motor comes equipped with the
following “standard” spark plug for normal
usage.
A normally operating spark plug is very light-
brown in color. If the standard plug is not suit-
able for your operating, consult your authorized
Suzuki outboard motor dealer.
NGK MR6K-9 Standard
NOTICE
Non-resistor types of spark plugs will inter-
fere with the function of the electronic igni-
tion, causing misfiring, or causing problems
with other electronic boat equipment and
accessories.
Use ONLY resistor type spark plugs in your
outboard motor.
NOTICE
Use of improper spark plugs or improperly
tightening spark plugs can cause severe
engine damage.
• Do not experiment with other spark plug
brands unless you can determine that they
are directly equivalent to the specified
brand, or you may experience engine dam-
age which will not be covered under war-
ranty. Note that aftermarket cross-reference
charts may not be accurate.
• To install a spark plug; seat it as far as pos-
sible by hand, then use a wrench to tighten
it to either the recommended torque setting
or the specified rotation angle.
Tightening torque
10 – 12 N·m
(1.0 – 1.2 kgf-m, 7.4 – 8.9 lbf-ft)
Rotation angle
New plug 1/2 – 3/4 of a turn
Re-use plug 1/12 – 1/8 of a turn
• Do not overtighten or cross-thread a spark
plug, as this will damage the aluminum
threads of the cylinder head.
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