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Spark Plug
Replace the spark plug every 2 years or after 150 hours of use.
Recommended Spark Plug: NGK - BPR5ES
NOTICE
An incorrect spark plug can cause engine damage.
For good performance, the spark plug must be properly gapped and
free of deposits.
1. Allow the engine to cool,
disconnect the spark plug
cap, and remove any dirt
from around the spark
plug area.
2. Remove the spark plug
with a 21 mm spark plug
wrench.
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.
Gap: 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
21 mm 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.
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.
Blade Control Check
1. Start the engine outdoors.
2. Release the blade control lever; the engine should stop quickly.
If it does not, take your mower to an authorised Honda servicing
dealer for repair.
14
SPARK PLUG
SPARK
PLUG
CAP
0.7 ~ 0.8 mm
SEALING
WASHER
BLADE CONTROL
LEVER
Smart Drive Cable Check/Adjustment
Cable Check
With the engine off, use the
multi-position adjuster to set the
Smart Drive control in its lowest
position
(page
8).
Gradually push the Smart Drive
control down while pulling the lawn
mower backwards. The rear wheels
should lock up before the Smart
Drive paddles are straight down. If
they don't, perform the cable adjustment on the next page.
Cable Adjustment
With the engine off, loosen the
adjuster jam nut.
Without pushing the Smart Drive
control, pull the lawn mower
backwards to check wheel
resistance.
If no wheel resistance exists, mark
the adjuster and TIGHTEN the
adjuster one turn at a time until the
wheels lock-up when pulling
rearward.
Turn the adjuster in the LOOSEN
direction 8 complete revolutions.
Tighten the jam nut to lock the
adjuster in place.
TRANSPORTING
If the engine has been running, allow it to cool before loading the
mower on the transport vehicle. A hot engine and exhaust system can
burn you and can ignite some materials.
Turn the fuel valve to the OFF position. This will prevent carburetor
flooding and reduce the possibility of fuel leakage.
If installed, remove the grass bag.
If a suitable loading ramp is not available, two people should lift the
mower on and off the transport vehicle while holding the mower level.
Position the mower so all four wheels are on the bed of the transport
vehicle. Tie the mower down with rope or straps, and block the
wheels. Keep the tie-down rope or straps away from the controls,
adjustment levers, cables, and the carburetor.
Fold the handlebar so the mower will take up less space
ADJUSTER
JAM NUT
MARK
TIGHTEN
LOOSEN
(page
15).
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