Honda NM4 2018 Motorcycles

User Manual - Page 88

For NM4 2018.

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NM4 2018 photo
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1.
Remove the front lower cover. 2 P. 78
2.
Disconnect the spark plug caps from the
spark plugs.
3.
Clean any dirt from around the spark plug
bases.
4.
Remove the spark plugs using a suitable
spark plug wrench.
5.
Inspect the electrodes and center
porcelain for deposits, erosion or carbon
fouling.
u If the erosion or deposit is heavy,
replace the plug.
6.
Make sure that a 1.1 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.
7.
Make sure the plug washer is in good
condition.
Spark Plug u Checking Spark Plug
Maintenance
84
Spark plug caps
Spark plug gap
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