Honda Rebel 2017 Owner's Manual page 69

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 a suitable
3.
spark plug wrench.
Spark plug cap
4.
5.
Spark plug
6.
Spark Plug
u
Inspect the electrodes and center
porcelain for deposits, erosion or carbon
fouling.
If the erosion or deposit is heavy,
u
replace the plug.
Make sure that a 1.0 mm wire-type feeler
gauge cannot be inserted between the
spark plug gap. If the gauge fits in the
gap, replace the plug with a new one.
Spark plug gap
Plug washer
Make sure the plug washer is in good
condition.
Checking Spark Plug
Continued 67