Saildrive Seal Replacement
From Seawind1160Wiki
General
Description: Seal replacement on a Yanmar SD20/SD25 requires removing the rear cover to access the propeller shaft seals
Links
- Instructions: Internal Link
- Stuck bolt removal: Internal Link
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
- Video - SD20 disassembly and reassembly: External Link
- Key Parts:
- 1:00 Disassembly of the propeller shaft assembly from the saildrive
- 9:00 Removal of the seals
- 9:09 Installation of shims and seals
- 11:07 Installation of propeller shaft assembly into saildrive