Spark Plug Service - Honda F220 Owner's Manual

SERVICING YOUR HONDA'TILLER
SPARK PLUG SERVICE
Recommended spark plugs: CR4HSB (NGK)
U14FSR-UB (DENSO)
V I
;
Incorrect spark plugs can cause engine damage.
1. Disconnect the spark plug cap, and remove any dirt from around the spark
plug area.
2. Remove the spark plug with a 13/16-inch spark plug wrench.
SPARK
PULG
WRENCH
3. Inspect the spark plug. Replace it if the
electrodes are worn, or if the insulator
is cracked or chipped.
0.024
-
0.028 in
(0.60
-
0.70 mm)
4. Measure the spark plug electrode gap
with a suitable gauge. The gap should
be 0.024
-
0.028 in (0.60 - 0.70 mm).
Correct the gap, if necessary, by care-
fully bending the side electrode.
5. Install the sparkplug carefully, by hand,
to avoid cross-threading.
6. After the spark plug seats, tighten with
a 13/16 - inch spark plug wrench to
compress the washer.
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