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Most Briggs engines that small take 1 pint of oil .
40 oz
how to Change oil on a Briggs and Stratton 6.75 HP
48 oz
until the dipstick says full
48 oz oil capacity
it will hold about a half quart of oil
48 ounces no oil filter or 52 ounces with an oil filter. Do not overfill!
18 ounces
1.25 Qts
64 oz per the manual.
18 to 20 onces