My Lawn Mower Won't Start: Snapper Mower Maintenance

Lawn mower won't stay running Have a year old JD walk behind and it had similar problems. Unfortunately, the design of some newer mowers inhibits easy access to the bowl. Welcome to Consumer Reports. Become a Member. Thanks in advance! Difficult to start a four stroke mower when cold - how to diagnose the problem Ask Question.

Make sure you are not using old gas or gas that has water in it. Sign In. Hence, a flooded engine.

Small Engine Problem Solving Tips

Warranty Information. An improper spark plug gap could lead to engine knocking and poor performance. Today I replaced a blackened spark plug and dirty air filter, but it didn't help. This system works GREAT when the engine is cold, BUT try to start the engine 5 minutes after you have turned it off and it will not start because the thermostatically controlled arm has cooled down and closed the choke, but the engine is still warm enough that it doesn't need to be choked.

Get Ratings on the go and compare while you shop. Briggs Man. Like Save August 4, There's also a new symptom the last few times I tried to start it. They typically build a decent product. On another note, I got it used and it has always had a very hard time climbing grades.

So it's almost unanimous then.

Any ideas? Is your spark plug faulty?

Troubleshooting small engine problems Briggs & Stratton

Make sure it's clean and gapped. LiverpoolDave Registered-I. Also when I spray starting fluid in motor I still get backfire and no start. Simple Fixes If you have a rotary lawnmower and it's been awhile since you looked underneath it, now is the time to clean old grass and debris from the blade and the underside of the housing. So I ordered the part referenced in Bill's post, here: After replacing the spring - if that task is necessary - wind the hub until the hole in the center lines up with the hole in the housing.

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When a push lawnmower's pull string, or starter rope, locks up, it could mean the engine has a problem, but that usually isn't the case when oil is added to the engine regularly. Like Save June 13, Smilies are On. With the engine off, the vacuum would release, and the leaf would just "float" away, allowing the flow of gasoline once more.

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