Spark Plug Inspection - KYMCO Stryker 125 User Manual

(7) 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-DR8EA
Deformation Cracks, Damage
Fouling Deposits
CAUTION:
Clean the spark plug at every 1000km and
replace it with a new one at every 5000km 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.
Gap, Wear,
- 34 -
Spark