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Briggs and Stratton 121P00 Series Parts

Briggs and Stratton Engine Replacement Parts For Model 121P02-0001-F1

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Find Briggs and Stratton 121P02-0001-F1 Parts By Symptom

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Engine RPM's surge up and down

Runs for a while then dies

Starter rope won't retract

Only runs with the choke on

Starts, runs for a while, then dies

Starts but immediately dies

Blows black smoke from exhaust

Engine misfires

Blows white smoke from exhaust

Engine will idle but dies at full thro..

Vibrates excessively

Engine RPM's too high

Starter rope pulls freely / little res..

Can't turn engine off

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Engine Parts

Questions & Answers for Briggs and Stratton 121P02-0001-F1

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Won't start unless primed with starting fluid. Relatively new engine.

Joe for model number 121P02-0001-F1 asked on 2023-10-31

Hi Joe, Thank you for reaching out. Make sure all fuel lines are not blocked by removing them and blowing through them. Make sure the air cleaner is not clogged. The carburetor more than likely needs to be adjusted properly as well. 1. Loosen the large set screw on top of the air filter with a flathead screwdriver and remove the air filter from the carburetor. 2. Locate the idle adjustment screw on the side of the carburetor. Gently turn the screw clockwise with a screwdriver until the valve touches the seat. Then, back the screw off counterclockwise one-and-a-half turns. 3. Look on the opposite side of the carburetor, for the high-speed adjustment screw -- if your carburetor has one. Gently turn the screw clockwise until the valve touches the seat, then back this screw off one-and-a-half turns as well. 4. Check to see if your engine has a large bowl on the bottom side of the carburetor that houses the float. If so, it will have a single screw on the bottom of the bowl. Turn the screw clockwise until it stops turning, then back it off for one-and-a-half turns. 5. Replace the air filter on top of the carburetor and secure it by tightening the screw in the centre of the air filter. 6. Start the engine and let it half-throttle for about five minutes to warm up. Then, slowly turn the idle adjustment screw -- which you adjusted in Step 3 -- clockwise until the engine begins to slow. Note the position of the screw and then begin turning the screw counterclockwise. The engine will normalize, then eventually will begin to slow once again. Note the position where it begins to slow a second time and rotate the screw clockwise to a point halfway between the two positions where the engine began to slow. You have now fine-tuned the idle adjustment. 7. Increase the throttle to full speed. Repeat the adjustments you made on the idle screw on the high-speed screw -- on the opposite side of the carburetor from the idle screw. 8. Test the engine under varying workloads. If the engine runs roughly under any conditions, adjust the idle or high-speed screw to fine-tune the adjustments. I hope this helps and good luck with your repair.

Briggs and Stratton Engine Replacement Parts For Model 121P02-0001-F1

Find Briggs and Stratton 121P02-0001-F1 Parts By Symptom

Find Briggs and Stratton 121P02-0001-F1 Parts by Symptom

Popular Parts for Briggs and Stratton 121P02-0001-F1

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Questions & Answers for Briggs and Stratton 121P02-0001-F1

Questions & Answers for Briggs and Stratton 121P02-0001-F1