Segway Snarler AT6 S User Manual page 156

Spark plug is located under the seat. Refer to Page 118 for
removing the seat.
1. Remove the ignition coil fixing bolt;
2. Remove the ignition coil;
3. Spark plug is located under the ignition coil. Use
tool to turn the spark plug sleeve 1/4 turn and remove
it from the spark plug.
4. Rotate spark plug counter-clockwise and remove it.
5. Inspect spark plug.
Spark plug normal status:
The insulator tip is light gray, grayish yellow or light
brown, spark plug gap is about 0.6-0.8 mm.
Spark plug to be replaced:
The insulator tip is black. If there is electrode ablation,
carbon deposition, or gap is too large, spark plug should be
replaced.
MAINTENANCE
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