Honda NC750X Manual page 103

Spark plug caps
Remove the lower cowl.
1.
Disconnect the spark plug caps from the
2.
spark plugs.
Clean any dirt from around the spark plug
3.
bases.
Remove the spark plugs using a suitable
4.
spark plug wrench.
P. 97
2
Spark Plug
Inspect the electrodes and center
5.
porcelain for deposits, erosion or carbon
fouling.
If the erosion or deposit is heavy,
u
replace the plug.
Make sure that a 1.2 mm wire-type feeler
6.
gauge cannot be inserted between the
spark plug gap. If the gauge fits in the
gap, replace the plug with a new one.
Checking Spark Plug
u
Spark plug gap
Continued
101