Spark Plug Inspection - KYMCO Quannon 125 Driver Manual

(6) SPARK PLUG INSPECTION

Check the spark plug side electrodes for wear.
Fouling deposits on spark plug electrodes and big gap may
result in weak spark.
Spark Plug Removal:
1.Remove the spark plug with a spark plug remover.
2.The installation sequence is the reverse of removal.
Spark Plug Cleaning:
1.It is better to remove spark plug deposits with a spark plug
cleaner.
2.If a spark plug cleaner is not available , clean with a wire
brush.
The side electrode gap is 0.6 0.7mm.
Specified Spark Plug: NGK-CR8E
Spark Plug Cap Decarbonizing
Gap, Wear,Fouling Deposits
CAUTION:
Clean the spark plug at every 5000km and replace it if
necessary or when the center electrode is
burned out.
First screw in the spark plug with fingers and then
tighten with a spark plug wrench.
Use unspecified spark plug may damage the engine.
～
Cracks , Damage
45
0.6~0.7mm