Honda Harmony H2013HDA Owner's Manual page 108

TROUBLESHOOTING
Engine has low power
Check ground speed.
Check mower deck
height.
Check mower deck.
Check air cleaner.
Check spark plug.
Check engine cooling.
Check spark arrester
(optional part).
Possible cause
Fast ground speed
when mowing tall grass
puts excessive load on
engine.
Too low mower deck
height for grass puts
excessive load on
enaine.
Mower deck clogged
with grass.
Dirty or clogged air
filter(s) make engine
run poorly.
Spark plug cap not
secure.
Improper electrode gap
or deposits on gap.
Cooling air intake path
and engine fan
obstructed.
Optional spark arrester
clogged or dirty.
Correction
Mow at slower ground
speed.
Raise height of mower
deck.
Clear mower deck of
clogs.
Clean and replace air
filter(s) as needed.
Make sure spark plug
cap is securely
connected.
Verify that the spark
plug is free of deposits
and has proper gap.
Inspect the cooling air
intake path and engine
fan; clear away any
grass or obstructions.
Examine spark arrester,
and make sure it is
clean and free of any
deposits or
obstructions.
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