Fixing A Toro Mower That Leaks Oil

Links to products I have in my tool bag.
Air filter. amzn.to/4dPlMjS
Compression tester. amzn.to/2NMgeze
Spark Checker. amzn.to/3jEcZH3
Inline Spark Checker. amzn.to/3bnXjmA
Chemical squirt bottle. amzn.to/3eWcGVs
Lithium Grease amzn.to/3BAMsnX
model number : 20371
Serial Number : 312141331
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Thanks for watching. This mower has a serious oil leak and it seems to happen to this particular engine quite often.