Spark Plug - Honda Car Engine G100 Owner's Manual

SPARK PLUG
Recommended Spark Plug: NGK BPMR4A
The recommended spark plug is the correct heat range for normal engine
operating temperatures.
[
NOTICE
I
Incorrect spark plug can cause engine damage.
For good performance, the
spark plug must be properly
gapped and free of deposits.
1. Disconnect the cap from
SPARK
the spark plug, and remove
any dirt from the spark plug
area.
2. Use the proper size spark
plug wrench to remove the
spark plug.
3. Inspect the spark plug. Replace it if
damaged, badly fouled, if the sealing
SPARK PLUG
CAP
washer is in poor condition, or if the
electrode is worn. If the spark plug is
0.6
-
0.7 rnrn
to be reused, clean
it with a wire
(0.024
-
0.028 in)
brush.
4. Measure the electrode gap with a
suitable gauge. The correct gap is
0.6
-
0.7
mm (0.024
-
0.028 in). If
adjustment is needed, correct the
gap by carefully bending the side
electrode.
17