Top of the engine. Use a 24 mm socket and remove the round black oil filter cap to access.
12
You failed to list engine size and make. If it has a horizontal shaft 5−7 h.p. Briggs & Stratton non-Vanguard engine the total oil capacity is 20 ounces. If it is a Vanguard 6 h.p. engine the capacity is 24 ounces. Add 20 ounces and then check the oil level. If it has a Tecumseh engine it can be 20 or 21 ounces. Do not overfill.
Hemi, lower passenger front of the engine. 3.6, top center front of engine. Use a 24 mm socket to remove the plastic cap to access.
10w30
24 ounces.
24 oz
24 quarts with filter
I always use a 24:1 in all my Chrysler engines.
5w30
24 oz per leg 5W
24 ozs.