Garden

Experienced gardeners share their insights in answering this question :
Try google search on b&s web site with the number off the side of the head or shield. it might not have a choke, just a primer.

How to Identify and Fix Common Gardening Problems ?

We provide a variety of viewpoints on how to identify and fix common gardening problems. Our sources include academic articles, blog posts, and personal essays from experienced gardeners :

A lawn mower that only runs with the choke on might be having problems with the carburetor, air supply, or bad fuel. Maintaining a clean carburetor will make the fuel delivery system run smoothly. Use high-quality fuel to extend the lawn mower`s life.
Disconnected, dirty or fouled spark plugs are common causes for engines that won`t start. For small engines, spark plugs typically need to be replaced every season or after 25 hours of use. You should also check to make sure the spark plug gap is set correctly.
This is the same for any type of garment printing including screen printing. The Choke setting slightly reduces the outside dimensions of the Underbase so that white ink does not appear outside the prints edges of the final color pass.
An engine that will fire and run with the choke closed but dies when the choke is opened likely has debris at least partially blocking the fuel passages in the carburetor. In this condition the closed choke provides enough extra fuel to enter the engine to overcome the lack of fuel flowing through the other passages.
Use Carburetor Cleaner

Fortunately, you can generally do this without even taking the carburetor out of the engine. Start by purchasing some commercial lawnmower carburetor cleanerOpens a new window, which comes in a simple spray can and will make it easy to clean the inside and outside of the carb.

A dirty carburetor is one of the most common causes for a lawn mower not being able to start after sitting unused for months or years at a time.
If your Briggs & Stratton engine has a spark but won`t run, then it is most likely a problem with the gas or air intake in the engine. The spark on the spark plug ignites the gas in the piston, but if the air filter is clogged or the gas can`t flow, then the engine won`t start.
If the choke does not close, then either the linkage is gummed up, the air horn is warped, or the spring tension is too loose or the choke spring has experienced a failure such as an internal break.
Turn on the ignition of your car. Once the engine is warm, you can remove the air filter and check whether the choke is open or closed. At this point, the choke should be open to allow the engine to breathe fully.
The choke increases the amount of fuel in the mixture, creating a richer mixture. This allows the engine to function at its best until it has warmed up enough to run on its normal operating fuel mixture. At that point the choke is turned off and the engine runs with a leaner fuel/air mixture.

Discover Relevant Questions and Answers for Your Specific Issue

the most relevant questions and answers related to your specific issue

Looking for a manual for a Toro 22 inch recyler. Lawn mower hs 6.5hsp tecumseh engine.

Won’t start. Do not see spark .

ANSWER : You can search for your manual as well as other helpful information at the following site:

https://homeownersolutions.toro.com/portal/server.pt/community/product_center/225#productDetailsPage

It would be helpful to have your Model Number and the Year your machine was made.

Read Full Q/A … : Garden

Toro 149cc Lawn Mower Won't Start – Toro Lawn Mower With Toro Power Tools
ANSWER : Bad carburetor your old fuel jammed up the jet so it won’t get fuel and if it does it will start and shut off So replace the carb or try to clean the jet and run non oxy fuel only

Read Full Q/A … : Garden

I need an owners manual for a murray lawn mower model # 228670x8a
ANSWER : Here it is: http://lawnandgarden.manualsonline.com/manuals/mfg/murray/22_selfpropelled.html?idRes=385579

Read Full Q/A … : Garden

Need a manual for a scott's model 21505x8a lawn mower
ANSWER : You should type that into google, with a space and then “.pdf” You should see some results you can click on to download the PDF owners manual

Read Full Q/A … : Garden

My lawn mower won't start – Brute 7800802 22-Inch 190cc Briggs & Stratton 675 Series Gas Powered FWD Self Propelled Lawn Mower With High Rear Wheels
ANSWER : Your carb is jammed up with ethonal eithier clean t out or replace the carb and run non oxy fuel from now on and u won’t ever have any issues AGIAN

Read Full Q/A … : Garden

Mower starts and runs but has no power acts like its flooding it burns a lot more gas can barley pull it self
ANSWER : Sounds like maybe the choke is stuck closed. If you remove the air filter the choke is the first butterfly valve you can see. The throttle looks similar but is a inch or so deeper into the carb, and you can’t see that unless the choke is open. Try removing the air filter and starting the mower. It might run just a little better without the air filter since it will get a bit more air, but if the choke is stuck it still won’t run right. But you will be able to see if that’s the problem right off. If it runs great without the air filter, and the choke is not stuck, then the problem is a clogged air filter and you need to replace it.
Good luck,
Al K

Read Full Q/A … : Garden

I have trouble starting a toro walk behind mower
ANSWER : All, I thought my carb was shot, so I replaced it. Still, start but no run (and had to use starting fluid). THEN!!! I noticed the spring to the “rev limiter” (just below and towards rear of carb) was not “tight”. The stupid bracket that holds the end of that spring had been bent down ~1/16″ and that caused all this heartache. CHECK YOUR REV LIMITER!!!

Read Full Q/A … : Garden

Murray mower belt model 52431×92 – Craftsman 17.5 hp 42 in. Deck Lawn Tractor – CA Model
ANSWER : Get a 1/2″ x 92″ belt

Read Full Q/A … : Garden