Spark Plug Service - Honda EM2500X Owner's Manual

SPARK PLUG SERVICE
In order to service the spark plug, you will need
a
spark plug wrench
(commercially available).
Recommended spark plugs: BPRGES (NGK)
W20EPR-U (DENSO)
TO ensure proper engine operation, the spark plug must
be properly
gapped and free of deposits.
If the engine has been running, the muffler will be very hot. Be careful
not to touch the muffler.
1. Remove the spark plug cap.
2. Clean any
dirt
from
around t h e spark
plug
base.
3. Use a spark plug wrench to remove the spark plug.
SPARK PLUG WRENCH
1
"PLUG CAP
4.Visually inspect the spark plug. Discard it if the insulator is cracked
or chipped. Clean the spark plug with a wire brush if it is to be
reused.
5. Measure the plug gap with a feeler
0.028-0.031 in
gauge.
(0.70-0.80 mm)
Correct as necessary by carefully
bending the side electrode.
The gap should be:
0.028-0.031 in (0.70-0.80 mm)
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