Briggs and Stratton only recommend using their own brand of lawnmower oil. This oil is available in stores for around $6 for 18oz. This particular oil is designed to be compatible with air cooled engines.
Briggs and Stratton recommends SEA30 oil.
A Briggs and Stratton 17.5 horsepower engine can use any type of small engine motor oil. A heavy duty motor oil is recommended.
SAE 30
Briggs and Stratton oil must be used for Briggs and Stratton engines. They have both synthetic and standard oil. They have oils formulated for 4-cycle and 2- cycle engines.
how to Change oil on a Briggs and Stratton 6.75 HP
what grade of oil on this engine
SAE 10W30 synthetic oil.
SAE 30
SAE30
It is at the rear, bottom of the engine and it usually has a square bolt.
48 oz