Small Engines (Lawn Mowers, etc.): oil for a 6.5 hp 21-in B&S (Craftsman), oil level, dipstick

Question
How much oil does a 6.5 hp B&S mower (with primer button) take?  I've tried to look it up on the B&S website, but the model number isn't listed.  Family number is 2BSXS.1901VH.  Thanks!

Answer
After draining the oil the engine should hold about 20 oz of oil.  Fill the engine with 20 oz of SAE-30 oil.  Let the oil settle and check.  If the oil level is on the lower dipstick mark add 2 more ounces, let it settle and re-check the oil level.
Eric