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Generac — Connecting Rods and Pistons Removal

A Generac service procedure — check it applies to your exact model before use.

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Before you start

  • Clean carbon from upper part of cylinder before removing the piston.
  • CAUTION: Cleancarbon from upper part of cylinder before removing the piston.

Procedure

  1. Loosen the connecting rod cap nuts and remove.
  2. Pull the piston, with connecting rod, from each cylinder.
  3. Remove all three pistons and connecting rods.
  4. Mark connecting rods, cap and bearings with the cylinder number upon removal.

Source: manual:85680.PDF. Figures and steps are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.