Saildrive Seal Replacement: Difference between revisions
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*Stuck bolt removal:'' [https://www.strikhedonia.com/removal-of-frozen-bolts-on-sd20-saildrive/ Internal Link]<br> | *Stuck bolt removal:'' [https://www.strikhedonia.com/removal-of-frozen-bolts-on-sd20-saildrive/ Internal Link]<br> | ||
'''Documents'''<br> | '''Documents'''<br> | ||
*Rear cover puller drawing:'' [[File:SD20 Rear Cover Puller.pdf|thumb|Link]] <br> | *Rear cover puller drawing:'' [[File:SD20 Rear Cover Puller.pdf|thumb|Link]] ''(DXF file available and I have an extra plate, $30 plus shipping, contact me for details)'' <br> | ||
'''Videos'''<br> | '''Videos'''<br> | ||
*Video - SD20 disassembly and reassembly:'' [https://youtu.be/VTKR7T0mvMo?si=xruUGrQE508RCtuF/ External Link]<br> | *Video - SD20 disassembly and reassembly:'' [https://youtu.be/VTKR7T0mvMo?si=xruUGrQE508RCtuF/ External Link]<br> | ||
Revision as of 09:03, 16 September 2026
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, $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
