Spark Plug - Honda XR150 2018 Owner's Manual

Spark Plug

Checking Spark Plug
For the recommended spark plug, see
"Specifications." P. 102
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.
Disconnect the spark plug cap from the
1.
spark plug.
Clean any dirt from around the spark plug
2.
base.
Remove the spark plug using provided
3.
spark plug wrench.
Use the open end wrench provided in
u
the tool kit to remove the spark plug.
P. 47
2
14 × 17 mm Open
end wrench
Inspect the electrodes and centre
4.
porcelain for deposits, erosion or carbon
fouling.
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.
Spark plug cap
Spark plug wrench
Continued 51