Spark Plug Service - Honda HS80 Owner's Manual

SPARK PLUG SERVICE
Recommended spark plug: BPR5ES
(NGK),
WlBEPB-U (ND)
mml
If the engine has been running, the muffler will be very hot. Be
careful not to touch the muffler.
To ensure proper engine operation, the spark plug must be properly gapped
and free of deposits.
1. Remove the spark plug cap.
,2. Use the wrench supplied in the tool kit to remove the spark plug.
3.Visually inspect the spark plug. Discard it if the insulator is cracked or
chipped.
4. Measure the plug gap with a feeler gauge.
0.7-0.8 mm (0.027-0.031 in)
Correct as necessary by bending the side electrode.
5.Thread the plug in by hand to prevent cross-threading.
6. Tighten a new spark plug l/2 turn with the wrench to compress the
washer.
If you are reusing a plug, it should only take l/8- l/4 turn after the plug
seats.
CAUTION:
l
Use only the recommended spark plugs or equivalent. Spark plugs
which have an improper heat range may cause engine damage.
l
The spark plug must be securely tightened. An improperly tightened
spark plug can become very hot and may damage the engine.
PLUG GAP
SPARK PLUG WRENCH
27