Champion 100515 — Spark Plug Service

Maintenance · Ignition

For the Champion 100515, from the Champion operator's manual.

Procedure

1. Turn ATS to OFF position.
2. Turn engine control module switch to OFF position.
3. Remove spark plug cable from spark plug.
4. Clean area around spark plug; remove spark plug.
5. Inspect electrode; replace if deteriorated.
6. Check gap before installing: 0.028-0.031 in (0.7-0.8mm).
7. Thread spark plug into engine, tighten to 20-30 N-m (14.8-22.1 lbf-ft).
8. Re-connect spark plug cable.
9. Turn engine control module switch to prior position.
10. Turn ATS to AUTO position.

Source: Champion operator's manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.

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