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Westinghouse WGen9500 — Spark Plug Maintenance

Maintenance

For the Westinghouse WGen9500, from the Westinghouse owner's manual.

Applies to: Westinghouse WGen9500

Before you start

  • Never apply side load when removing/installing spark plug

Parts for this job

  • 180526 Spark plug eBay

Part numbers from the service-parts list for Westinghouse WGen9500. Verify against your serial number before ordering; some links are affiliate links.

Procedure

  1. Stop generator and let cool; move to flat surface
  2. Remove spark plug boot by pulling straight away from engine
  3. Clean area around spark plug
  4. Remove spark plug with socket wrench provided
  5. Cover spark plug opening with clean rag
  6. Inspect for cracked/chipped insulator, wear, and gap 0.027-0.032 in (0.70-0.80 mm)
  7. Hand-thread spark plug back in until it bottoms out
  8. Tighten with socket wrench to fully seat
  9. Replace spark plug boot fully engaging tip

Tools required

  • spark plug socket wrench Amazon

Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.

Specs & values

  • Gap 0.027-0.032 in (0.70-0.80 mm)

Full service-parts list: Westinghouse WGen9500 →

Source: Westinghouse 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.

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