HomeRepair guidesTwin installations with a stepped hull:

Hweiteh.Com — Twin installations with a stepped hull:

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

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Procedure

  1. 6. Paint or coat all cutout surfaces with topcoat or
  2. sealer.

Source: manual:7746265 Installation Manual D4D6 IPS Aqua Inboard.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.