Champion 100237 — Spark Plug Service
Maintenance
For the Champion 100237, from the Champion owner's manual.
Procedure
- Turn ATS to OFF, then engine control module switch to OFF.
- Remove spark plug cable from spark plug.
- Clean area around spark plug and remove it.
- Inspect electrode; replace plug if deteriorated.
- Check/set gap to 0.028-0.031 in (0.7-0.8 mm) before installing.
- Thread spark plug in and tighten to 20-30 N-m (14.8-22.1 lbf-ft).
- Reconnect spark plug cable.
- Return switches to prior positions and ATS to AUTO.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Gap 0.028-0.031 in (0.7-0.8 mm)
- Torque 20-30 FridayParts $58.50 N-m (14.8-22.1 lbf-ft)
Source: Champion owner'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.