Saildrive Seal Replacement

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General
Description: Seal replacement on a Yanmar SD20/SD25 requires removing the rear cover to access the propeller shaft seals
Links

Documents

  • Rear cover puller drawing: File:SD20 Rear Cover Puller.pdf (DXF file available and I have an extra plate for sale, $30 plus shipping, contact me for details)

Videos

Key Parts:
  1. 1:00 Disassembly of the propeller shaft assembly from the saildrive
  2. 9:00 Removal of the seals
  3. 9:09 Installation of shims and seals
  4. 11:07 Installation of propeller shaft assembly into saildrive

Pictures

SD20 rear cover puller attached


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