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Where is the jet needle in the Briggs and stratton 4.75 hp mower engine and how do you adjust it or clean it?
Wiki User
∙ 10y ago
Inside the carburetor bowl. You can drop the bowl and replace the needle or try cleaning it with caeb spray. Usually need a 1/2 inch wrench to remove the bowl nut which is also the main jet to the carb. Run a tag wire or bread tie twisty through the holes in the jet nut.
Wiki User
∙ 10y ago
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How did gas get in the oil in a Briggs stratton 8.0 HP engine?
Most likely the needle valve & seat in the carburetor bowl is defective allowing fuel to flow when the engine if off. This excess fuel will run into the cylinder and down to the crankcase. Replace the needle valve & seat.
Why will the engine only run when you pour gas in the carburetor of the Briggs and stratton engine?
if the engine only runs when gas is poured into the carb it is generally caused by plugged jets and/or stuck needle in the seat. if it has been sitting for a length of time the fuel has either crystalized causing the plugging or the ethanol has caused a problem. if it is a new unit, briggs recommends tapping the carb lightly with a hammer to loosen the needle in its seat. for one reason or another the engine is not getting fuel through the carb
How do you adjust carb Briggs and stratton 12hp?
If the engine starts: Let the engine warm up for about 5 minutes and S-L-O-W-L-Y close the needle valve (rotate clockwise) until the engine starts to stall for lack of fuel. Then open the needle valve (rotate counter clockwise) until the engine starts to stall because of too much fuel. Set to half-way between the two extremes. If the engine doesn't start: Close the needle valve by screwing it in clockwise just to a point where you feel it stop - DO NOT FORCE IT!! or you will ruin the tip. Open the needle valve about 1-1/4 to 1-1/2 turns. This should be okay to start the engine and then follow the procedure above. If the engine hesitates under a load, open the needle valve about 1/8 turn for a slightly richer mixture. This is the basic standard procedure with nearly all Briggs motors.
How do you adjust the carburetor on a 6.0HP Briggs and Stratton lawn mower engine?
If the engine does not start: (1) rotate the carburetor main jet needle valve clockwise (close) until it touches its stopping point - DO NOT FORCE OR GO BEYOND THE POINT OF TOUCHING as it may damage the tip. (2) Rotate the needle valve counter-clockwise (open) 1-1/4 to 1-1/2 turns - this should be close enough to start the engine. Start the engine and let it warm up about five minutes. (3) Rotate the needle valve clockwise (close) slowly until the engine starts to stall for lack of fuel, then rotate the needle valve counter-clockwise (open) slowly until the engine starts to stall from flooding (too much fuel). (4) Set the needle valve to a midpoint between the two extremes for the best "purr" of the engine. If the engine "sputters" when a load is added, open the needle valve an extra 1/8 turn for a slightly richer mixture. If the engine starts and you just want to adjust the carburetor, step (1) is not necessary.
How do you adjust the carb on a 6.5 horsepower Briggs and stratton?
The following procedure applies to all small enginesIf the engine does not start:(1) rotate the carburetor main jet needle valve clockwise (close) until it touches its stopping point - DO NOT FORCE OR GO BEYOND THE POINT OF TOUCHING as it may damage the tip.(2) Rotate the needle valve counter-clockwise (open) 1-1/4 to 1-1/2 turns - this should be close enough to start the engine.(3) Start the engine and let it warm up about five minutes.(4) Rotate the needle valve clockwise (close) slowly until the engine starts to stall for lack of fuel, then rotate the needle valve counter-clockwise (open) slowly until the engine starts to stall from flooding (too much fuel).(5) Set the needle valve to a midpoint between the two extremes for the best "purr" of the engine. If the engine "sputters" when a load is added, open the needle valve an extra 1/8 turn for a slightly richer mixture.If the engine starts and you just want to adjust the carburetor, steps (1) and (2) are not necessary.
How do you adjust carburetor on a Briggs and stratton lawn mower brand yard machine?
If the engine does not start: (1) rotate the carburetor main jet needle valve clockwise (close) until it touches its stopping point - DO NOT FORCE OR GO BEYOND THE POINT OF TOUCHING as it may damage the tip. (2) Rotate the needle valve counter-clockwise (open) 1-1/4 to 1-1/2 turns - this should be close enough to start the engine. (3) Start the engine and let it warm up about five minutes. Rotate the needle valve clockwise (close) slowly until the engine starts to stall for lack of fuel, then rotate the needle valve counter-clockwise (open) slowly until the engine starts to stall from flooding (too much fuel). (4) Set the needle valve to a midpoint between the two extremes for the best "purr" of the engine. If the engine "sputters" when a load is added, open the needle valve an extra 1/8 turn for a slightly richer mixture. If the engine starts and you just want to adjust the carburetor, steps (1) and (2) are not necessary.
How do you adjust carb Briggs and stratton 14hp?
The following procedure applies to all small enginesIf the engine does not start: (1) rotate the carburetor main jet needle valve clockwise (close) until it touches its stopping point - DO NOT FORCE OR GO BEYOND THE POINT OF TOUCHING as it may damage the tip.(2) Rotate the needle valve counter-clockwise (open) 1-1/4 to 1-1/2 turns - this should be close enough to start the engine. Start the engine and let it warm up about five minutes.(3) Rotate the needle valve clockwise (close) slowly until the engine starts to stall for lack of fuel, then rotate the needle valve counter-clockwise (open) slowly until the engine starts to stall from flooding (too much fuel).(4) Set the needle valve to a midpoint between the two extremes for the best "purr" of the engine. If the engine "sputters" when a load is added, open the needle valve an extra 1/8 turn for a slightly richer mixture.If the engine starts and you just want to adjust the carburetor, steps (1) and (2) are not necessary.
How do you set up or adjust a carburetor for and 11 hp Briggs and stratton motor?
The following procedure applies to all small enginesIf the engine does not start: (1) rotate the carburetor main jet needle valve clockwise (close) until it touches its stopping point - DO NOT FORCE OR GO BEYOND THE POINT OF TOUCHING as it may damage the tip.(2) Rotate the needle valve counter-clockwise (open) 1-1/4 to 1-1/2 turns - this should be close enough to start the engine. Start the engine and let it warm up about five minutes.(3) Rotate the needle valve clockwise (close) slowly until the engine starts to stall for lack of fuel, then rotate the needle valve counter-clockwise (open) slowly until the engine starts to stall from flooding (too much fuel).(4) Set the needle valve to a midpoint between the two extremes for the best "purr" of the engine. If the engine "sputters" when a load is added, open the needle valve an extra 1/8 turn for a slightly richer mixture.If the engine starts and you just want to adjust the carburetor, steps (1) and (2) are not necessary.
How do you adjust the carbuerator on a 21hp Briggs and stratton mower?
there should be a screw in the side of the carbuerator. turn the screw all the way in be careful not to bottom it out tight you will ruin the needle valve. then turn the screw opposite 1 1/4 times this should be good slow idle and also fast idle speed.
Why does the crankcase on Briggs engine 3137770163-E5 fill with gas when cranking?
you are getting to much fuel past your needle and seat.
Briggs and Stratton not getting gas to the carb new filter and all line are openits an 18 hp?
The fuel float may be stuck in the closed position. Or, the carburetor needle valve may be closed.
What is the carburetor adjustment on a Briggs stratton 12.5 hp engine?
The following procedure applies to all small enginesIf the engine does not start: (1) rotate the carburetor main jet needle valve clockwise (close) until it touches its stopping point - DO NOT FORCE OR GO BEYOND THE POINT OF TOUCHING as it may damage the tip.(2) Rotate the needle valve counter-clockwise (open) 1-1/4 to 1-1/2 turns - this should be close enough to start the engine. Start the engine and let it warm up about five minutes.(3) Rotate the needle valve clockwise (close) slowly until the engine starts to stall for lack of fuel, then rotate the needle valve counter-clockwise (open) slowly until the engine starts to stall from flooding (too much fuel).(4) Set the needle valve to a midpoint between the two extremes for the best "purr" of the engine. If the engine "sputters" when a load is added, open the needle valve an extra 1/8 turn for a slightly richer mixture.If the engine starts and you just want to adjust the carburetor, steps (1) and (2) are not necessary.
