Yard Man

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 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.
There may be old or bad fuel in the carburetor float bowl. Over time, some of the ingredients in the fuel may evaporate, leaving behind a thicker, stickier substance. This sticky fuel can clog up the carburetor and prevent the engine from starting. If the carburetor is clogged, try cleaning it with carburetor cleaner.
If a mower is hard to start, it may be the result of a dirty carburetor and/or a clogged air filter. Use a screwdriver to remove the carburetor and clean any dirt out of it with a rag. Clean the air filter or replace it if it`s disposable.
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.
You Lose Power in the Middle of Mowing:

Here`s why this happens and what you can do: Dirty Air Filter on Your Lawn Mower: Clean or replace. Dirty Spark Plug: Clean or replace. Build Up of Clippings & Debris: Clean underside of your lawn mower deck as noted above.

As the fuel level drops, a vacuum begins to form in the fuel tank because air can get in to fill the space the consumed fuel occupied. After about 10 or 15 minutes, the vacuum will become strong enough that fuel will stop flowing to the carburetor and the lawnmower will die.

Discover Relevant Questions and Answers for Your Specific Issue

the most relevant questions and answers related to your specific issue

Why won’t my brand new tiller stay running? Starts, runs a few seconds, then stalls.
ANSWER : Sounds like its flooding
the float needs adjustment or seat needs cleaning or replace

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Does not run, will start with starting fluid – Mantis 2-Cycle Tiller
ANSWER : You should never use starting fluid on this model.

Add a couple of ounces of 100% acetone (available at Walmart) to some fresh fuel. Attempt to start for several pulls. Let sit for several minutes and repeat until it sounds like it wants to run.

Then watch this video and do it:

http://www.alamia.us/mantis_parts_s/148.htm

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It won’t stay running. have cleaned the gas tank and it just had a tune up. runs fine then gets rough and quits. If I push the bulb it smooths out and runs fine for a couple of minutes and then begins hesitating again. Now today it ran for about 15 min. and now it won’t start. It wants to. runs for a couple of seconds 5-10 and then quits.
ANSWER : Remove the float bowl and empty the contents out clean and replace

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STARTING ROPE BROKE AND UNABLE TO START MOWER
ANSWER : Hi,,,,replaceing the rope is easy, just takes sometime. first, take the cover off the engine. turn the cover over and rope pully should be right there. Measure out 8 foot of new rope. burn both ends of rope so it don’t fray. get all of the old rope off the pully. here is where an extra pair of hands come in handy. by hand rotate the rope pulley 6 revolutions, now have someone hold the pulley, then feed rope thru the cover and thru the pulley rope opening, then tie a knot in that end, now slowly release the rope and it will wind itself onto pulley, now put rope thru the handle and tie knot, now put back togeather and go mow your lawn,,,lol

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My engine runs about 5 mins. and then just cuts off????
ANSWER : Dirty vent hole on carb rebuild it

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How to change the oil – Mtd Yard – Man 160cc, 21" Self – Propelled Lawn Mower
ANSWER : Remove spark plug wire or whole thing
theres a plug in the bottom under the deck
remove plug drain into pan

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Lawn mower stopping by itself – Mtd Yard – Man 160cc, 21" Self – Propelled Lawn Mower
ANSWER : CHECK THE FUEL FOR CONTAMINATES OR OLD GAS
EMPTY COMPLETELY OUT AND PUT IN NEW GAS!
ALSO CHANGE SPARK PLUG!
IF YOUR LOW ON OIL, IT MIGHT AUTOMATICALLY SHUT OFF ALSO!!

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Will only start and run in choked position, when throttle applied chokes out. If started with out choke and throttle position in low speed will start and run for 10 sec then like it runs out of gas.
ANSWER : I have your solution guaranteed, I fixed mine yesturday remove H L screw plastic caps and on high 11 threads exposed and on the low side 8 threads exposed. removing the plastic caps allows u further adjusting these wear out or move soo just take them things off and you will be rolling

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