Spark Plug - Honda XR650L 2019 Owner's Manual

Spark Plug

Checking Spark Plug
For the recommended spark plug, see
"Specifications." P. 117
2
Use only the recommended type of spark
plug in the recommended heat range.
NOTICE
Using a spark plug with an improper heat range
can cause engine damage.
Remove the shroud.
1.
Disconnect the spark plug cap from the
2.
spark plug.
Clean any dirt from around the spark plug
3.
base.
Remove the spark plug using a suitable
4.
spark plug wrench.
Inspect the electrodes and center
5.
porcelain for deposits, erosion or carbon
fouling.
P. 52
2
If the erosion or deposit is heavy,
u
replace the plug.
Clean a carbon or wet-fouled plug
u
with a plug cleaner, otherwise use a
wire brush.
Check the spark plug gap using a wire-
6.
type feeler gauge.
If adjustment is necessary, bend the
u
side electrode carefully.
The gap should be:
0.031 - 0.035 in (0.80 - 0.90 mm)
Spark plug gap
Side electrode
Continued 55