Suzuki DF115BG 2021 Owner's Manual page 77

SPARK PLUG
Remove the spark plugs as follows:
1. Remove the fuel hose guard 1.
2. Remove the bolt securing the ignition coil.
3. Pull out the ignition coil.
4. Loosen and remove the spark plug using the
box wrench and spanner in the tool bag.
Your outboard motor comes equipped with the
following "standard" spark plug for normal
usage.
NGK LKR6E
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.
74
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 Marine Dealer.
Standard
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
15 – 19 N·m
(1.5 – 1.9 kgf-m, 11 – 14 lbf-ft)
Rotation angle
New plug
Re-use plug
• Do not overtighten or cross-thread a spark
plug, as this will damage the aluminum
threads of the cylinder head.
1/2 – 3/4 of a turn
1/12 – 1/8 of a turn