Saildrive Seal Replacement: Difference between revisions

Latest revision as of 14:54, 18 September 2026

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:

Pictures

@@ Line 1: / Line 1: @@
-Stuck bolt removal: [[File:Removal of frozen bolts on SD20 saildrive.pdf|thumb|Link]] <br><br>
+'''General'''<br>
-Instructions: [[File:SD20 Seal Replacement Instructions.pdf|thumb|Link]] <br><br>
+Description: Seal replacement on a Yanmar SD20/SD25 requires removing the rear cover to access the propeller shaft seals<br>
-SD20 disassembly and reassembly video: [https://youtu.be/VTKR7T0mvMo?si=xruUGrQE508RCtuF/ External Link]<br>
+'''Links'''<br>
-Key Parts:
+*Instructions:'' [https://www.strikhedonia.com/yanmar-sd20-saildrive-seal-replacement/ Internal Link]<br>
+*Stuck bolt removal:'' [https://www.strikhedonia.com/removal-of-frozen-bolts-on-sd20-saildrive/ Internal Link]<br>
+'''Documents'''<br>
+*Rear cover puller drawing:'' [[File:SD20 Rear Cover Puller.pdf|thumb|Link]] (DXF file available and I have an extra plate for sale, $30 plus shipping, contact me for details)'' <br>
+'''Videos'''<br>
+*Video - SD20 disassembly and reassembly:'' [https://youtu.be/VTKR7T0mvMo?si=xruUGrQE508RCtuF/ External Link]<br>
+: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
-<br>
+'''Pictures'''<br>
+[[File:SD20 Rear Cover Puller.jpg|thumb|SD20 rear cover puller attached]] <br>