Spark Plug - Honda TRX400X 2009 Owner's Manual

Spark Plug Recommendation
standard spark plug
for extended high
speed riding
Use only the recommended type of spark plug in the recommended heat
range.
Using spark plugs with an improper heat range can cause engine
damage.
Spark Plug Inspection & Replacement
Refer to Saf ety Precautions
1. Clean any dirt from around the spark plug base.
2. Disconnect the spark plug cap ( ). Take care to avoid damaging the
spark plug wire when disconnecting the cap.
3. Using a spark plug wrench provided in the tool kit, remove the spark
plug.
(1) spark plug cap
DPR8Z (NGK)
X24GPR-U (DENSO)
DPR9Z (NGK)
X27GPR-U (DENSO)
on page 77 .
1

Spark Plug

or
or
(1)
Servicing Your Honda
(cont'd)
113