Far easier to drain old oil through filler tube, remember to always keep cylinder head [spark plug end] pointing up when tipping mower.
there should be a square headed plug at the base of the motor
underneath where the blade is you will see a plug. that's it
what is the champion cross reference for a briggs and stratton spark plug 691043
what plug size fits a 3.75 briggs and stratton,and a 19.5 briggs engine and what is the gap. thank you
0.030 is the gap for briggs and stratton 4.5 hp mower
It is at the rear, bottom of the engine and it usually has a square bolt.
The spark plug gap for a Briggs and Stratton 13 horsepower engine should be .030 inches. A spark plug for this engine may be purchased at an auto parts store.
The spark plug gap for a Briggs and Stratton 13 horsepower engine should be .030 inches. A spark plug for this engine may be purchased at an auto parts store.
It is either on the side of the engine at the very bottom next to the deck, or it is under the mower on the engine block.
.030
0.030"
.30