Spark Plug Service - Honda BF2.3D User Manual

Spark Plug Service

To ensure proper engine operation,
the spark plug must be properly
gapped and free of deposits.
The spark plug becomes very hot
during operation and will remain
hot to awhile after stopping the
engine.
Check-Adjust interval:
Every 50 hours or 6 months.
Replacement interval:
Every 50 hours or 6 months.
Recommended spark plug:
LR4C-E (NGK)
Use only the recommended spark
plug or equivalent. Spark plug
which have an improper heat range
may cause engine damage.
SPARK PLUG WRENCH
1. Remove the engine cover.
2. Remove the spark plug cap.
3. Make sure the engine is cool.
Remove the spark plug with the
spark plug wrench and screwdriver
provided in the tool.
MAINTENANCE
New plug Plug needing
replacement
4. Inspect the spark plug.
(1) If the electrode is heavily
corroded or carbon-soiled,
clean with a wire brush.
(2) Replace a spark plug if the
central electrode is worn. The
spark plug can wear out in
different ways.
If the sealing washer shows
signs of wear, or if the insulator
is cracked or chipped, replace
the spark plug.
55