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Home›Repair guides›Generac›Adjust Magneto Flywheel Gap

Generac — Adjust Magneto Flywheel Gap

Adjustments · Ignition magnetos

From a Generac service manual covering: 10 KVA, 13 kVA, 8 kVA. Check it applies to your exact model before use.

Applies to: Generac EcoGen 6 kW, Generac GH-410 engine, Generac GH-426 engine, Generac GT-530 engine, Generac GT-530 engine, Generac GT-999 engine, Generac OHVI engine

Procedure

  1. Rotate flywheel until magnet under module.
  2. Insert 0.008-0.012 inch non-metallic thickness gauge.
  3. Loosen mounting screws.
  4. Let magnet pull magneto against gauge.
  5. Tighten screws.
  6. Remove gauge by rotating flywheel.

Tools required

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

Specs & values

  • Air gap 0.008-0.012 inch (0.20-0.30mm)

Full service-parts list: Generac EcoGen 6 kW →

Source: Generac service 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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