Honda TRX500FGA Owner's Manual page 199

Spark Plug
Spark Plug Inspection & Replacement
Refer to Saf ety Precautions
1. Remove the seat (page
2. Loosen the screw ( ) and remove the clip ( ). 1
3. Remove the resonance chamber ( ).
4. Unhook the rubber cover ( ).
5. Clean any dirt from around the spark plug base.
6. Disconnect the spark plug cap ( ). Take care to avoid damaging the
spark plug wire when disconnecting the cap.
7. Using a spark plug wrench provided in the tool kit, remove the spark
plug.
8. Inspect the electrodes and center porcelain for deposits, corrosion, or
carbon fouling. If the corrosion or deposits are heavy, replace the
plug.
9. Make sure that a 1.0 mm wire-type feeler gauge cannot be inserted
between the spark plug gap (
the plug with a new one.
UNDER SEAT
(5)
(1) screw
(2) clip
(3) resonance chamber
190 Servicing Your Honda
on page 147 .
158 ).
2
3
4
5
6 ). If the gauge fits in the gap, replace
(2)
(3)
(6)
(1)
(4)
(4) rubber cover
(5) spark plug cap
(6) spark plug gap