Saildrive Seal Replacement

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General
Description: Seal replacement on a Yanmar SD20/SD25 requires removing the rear cover to access the seals
Links
Instructions: External Link
Stuck bolt removal: External Link
Documents
Rear cover puller drawing: File:SD20 Rear Cover Puller.pdf
Videos
SD20 disassembly and reassembly video: External Link
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
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