Honda HRB217HXA Owner's Manual page 39

SERVICING YOUR LAWN MOWER
Spark Plug Service
I
RECOMMENDED SPARKPLUGS
I
REGULAR
I
RESISTOR*
I
I
NGK
I
BPGES
I
BPRGES
I
D E N S 0
*Resistor
spark plugs
reduce interference
with
radio
and TV
reception.
W20EPR-U
W20EP-U
pq
Incorrect spark plugs can cause engine damage.
For good performance, the spark plug must be properly gapped and
free of deposits.
I .
2.
3.
Disconnect the spark plug cap
and remove any dirt from
around the spark plug area.
SPARK PLUG
Remove the spark plug with a
SPARK PLUG
13/16 in (21 mm) spark plug
wrench.
Inspect the spark plug. Replace
it
if
the electrodes are worn, or if
the insulator is cracked or
chipped.
37