Kohler Courage 20 engines are known for having numerous issues. My mower just so happened to have every one. I'll be showing you how I fixed these issues to try to extend the life of my Husqvarna YTH20K46.

Products used in this video:
Valve Cover Gasket (Amazon) - https://amzn.to/3kuCGKr
Engine Cover Gasket (Amazon) - https://amzn.to/3MJu52x
High Temperature Gasket Maker (Amazon) - https://amzn.to/3vJDVvX

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Chapters:
00:00 - What's Wrong With This Mower?
01:50 - Removing the Valve Cover Gasket
02:21 - Removing the Engine Cover Gasket
05:42 - Removing the Cams and Cleaning the Block
07:23 - How To Repair the Cracked Block
08:22 - Repairing the Cracked Block
12:34 - Reassembling the Engine
18:04 - Checking Valve Lash
20:36 - Replacing the Valve Cover Gasket
21:58 - Will She Start?
22:10 - Fabricating a Exhaust Heat Shield