Why does my Briggs and Stratton engine only run on choke?

Working on the fuel and air supply end of things, if your lawn mower only runs with the choke on, there is probably a fuel delivery or carburetor problem. The main carburetor issues that cause this are air leaks, and clogging. Bad fuel or fuel with too high of an alcohol content can also require excessive choke use.

Is it bad to run mower with choke on?

If your lawnmower will start and run with the choke on but dies when the choke is turned off, it may have a problem with the carburetor. The carburetor brings air and fuel together and mixes them in the perfect ratio for combustion before they enter the engine.

What is the most common reason why a Briggs & Stratton small engine wont run correctly?

Stale fuel, dirt, and debris are the most common cause of outdoor power equipment not starting or running properly. If you store equipment with untreated gas in the tank, it can lead to engine damage.

Why does my lawnmower only run on choke?

Working on the fuel and air supply end of things, if your lawn mower only runs with the choke on, there is probably a fuel delivery or carburetor problem. The main carburetor issues that cause this are air leaks, and clogging. Bad fuel or fuel with too high of an alcohol content can also require excessive choke use.

Why does my lawn mower start but not stay running?

A full gas tank and oil reservoir are the essential first steps when checking why the lawn mower won't stay running, but the problem could also be a dirty filter, clogged carburetor, improper fuel mixture, or a dirty spark plug.

Engine Only Runs When Choke is on

Why is my Briggs and Stratton not getting fuel?

Loose, Dirty or Disconnected Spark Plug in Your Lawn Mower: Check it out, clean off debris, re-connect and tighten. Dirty Air Filter: Clean or replace. Fuel Not Reaching the Engine: Tap the side of the carburetor to help the flow of gas. If this doesn't work, you might need a new fuel filter.

Why do I have to leave the choke on?

Why would the engine only run while the choke is on or with repeated manual priming? An engine that requires the choking ( partial or full ) after initial engine warm up is an indication that the engine fuel air mixture system is out of adjustment.

What happens if I run my lawn mower without an air filter?

But the consequences of running a lawn mower without an air filter for extended periods can be very severe. Without the filter, dirt and dust will make their way into the carburetor and then into the engine itself. If enough dirt gets in there, it'll destroy the engine cylinder.

How do you adjust air fuel mixture screws?

Why does my Weedeater only run on choke?

Why Does My Weed Eater Only Run on Full Choke? (The Short Answer) The main reason why a weedeater only runs on full choke is because of issues with the air and fuel supply due to a dirty carburetor, a bad gas cap vent, or a clogged fuel filter.

Why is my carburetor not pulling fuel?

float may be stuck in the closed position or if carburetor equipped with a electric shut off/solenoid it could be faulty/stuck/bad connection. Now if you are getting fuel to carb. and the bowl is filling, either the jets are clogged or you have not adjusted the screws out to the proper settings to allow fuel to flow.

Why is my carb not getting gas?

The engine can't get gas if the fuel filter is plugged or the carburetor inlet needle is stuck. Check the fuel filter (if equipped) by removing the fuel line at the carburetor. Gas should run out. If it doesn't, remove the fuel line ahead of the fuel filter inlet.

How do you clean a Briggs and Stratton carburetor?

Is the governor spring directly connected to the throttle plate?

The governor spring is directly connected to the throttle plate.

What does removing the governor do?

Removing the governor will increase the maximum rpm of the engine, but the internal parts of the Predator 212 are designed for 3600 rpm. Generally, this isn't an issue with just the governor removal, the internal parts can usually withstand 5000 rpm without breaking apart (unless you go full throttle for too long).

How do you adjust the throttle on a Briggs and Stratton lawn mower?