2. Remove the spark plug with a
spark plug wrench [3].
3. Inspect the spark plug.
Replace it if the electrodes
are worn or if the insulator is
cracked or chipped.
4. Measure the spark plug
electrode gap with a suitable
gauge. The gap should be
0.7 ~ 0.8 mm. Correct the
gap, if necessary, by carefully
bending the side electrode.
5. Install the spark plug
carefully, by hand, to avoid
cross-threading.
6. After the spark plug seats,
tighten with a spark plug
wrench to compress the
washer.
If reinstalling the old spark
plug, tighten 1/8 to 1/4 turn
after the spark plug seats.
If installing a new spark plug, tighten 1/2 turn after the spark plug
seats to compress the washer [4].
Spark plug torque: 20 N·m
NOTICE
A loose spark plug can overheat and damage the engine.
Overtightening the spark plug can damage the threads in the
cylinder head.
7. Install the spark plug cap on the spark plug.
Spark Arrester Service (optional part)
In Europe and countries where machinery directive 2006/42/EC is
enforced, this cleaning should be done by your serving dealer.
The spark arrester must be serviced every 100 hours to keep it
functioning as designed.
1. Allow the engine to cool, and then remove the three bolts [1] from
the muffler shield [2].
2. Remove the muffler shield [2].
3. Remove the screw [4].
4. Remove the spark arrester [3] from the muffler [5].
5. Check for carbon deposits on the spark arrester and the exhaust
port. Brush carbon deposits away. Be careful to avoid damaging
the spark arrester screen.
6. Install the spark arrester in the muffler.
12
[3]
0.7 ~ 0.8 mm
[4]
ENGLISH
7. Install the muffler
components on the engine, and tighten the three bolts securely.
[4]
[2]
[1]
CHECK CUTTING MEANS STOPPING TIME
Start the engine outdoors.
Release the cutting-means control lever. Cutting means rotation
should stop within the maximum time specified.
Max. stopping time: 3 seconds
If the flywheel brake does not operate properly, take the mower to an
authorized Honda servicing dealer for repair.
[5]
[3]