Why does my lawn mower not start when it gets hot?

Why does my lawn mower not start when it gets hot?

Air leaks cause an engine to pull in too much outside air, which throws off the gasoline-to-air ratio. As the engine heats, parts expand, and all tiny gaps become larger. The result is a poorly running engine and one that eventually stops. Loose bolts are a common culprit in a mower engine that shuts down when hot.

Why does my Briggs and Stratton take so long to start?

Common solutions for: Briggs & Stratton Small engine hard to start. The engine may be getting too much fuel or not enough fuel. This is usually due to the carburetor not working properly. If the carburetor is clogged, the engine won’t get enough fuel.

Why does my lawn mower surge when it gets hot?

Surging is also caused by water that got into the fuel. A mower left in a heavy rain or condensation on a hot summer day can choke the engine. Empty the gas tank, properly dispose of the old fuel and try a fresh batch of gasoline.

Why does my Briggs and Stratton engine surge?

The most common reason for a surging lawn mower engine is a blockage in the fuel supply, but there are other possibilities: Bad gas. Bad spark plug. Dirty / faulty carburetor.

What causes a Briggs and Stratton engine to lock up?

If it’s full of oil, the piston cylinder may be full of oil, causing hydro-lock. Normally, when you pull the starting rope, it moves the piston. But when the cylinder is full of oil, the piston has to work against the oil and can lock. To drain the oil, remove the spark plug and crank the engine.

Why does my Briggs and Stratton riding mower not start?

Carburetor Problems Cause Mower Engines Not To StartThe carburetor regulates how air and fuel move through the engine to power your equipment. If it is dirty, that can cause poor engine performance or starting problems. Disconnected, dirty or fouled spark plugs are common causes for engines that won’t start.

What kind of engine does a Briggs and Stratton lawn mower have?

Surging Mower Engine Surging B&S Classic 450, 500 or 550 Some engine types are famous for surging, the Briggs & Stratton 450, 500 and 550 series engines are fitted with a metal fuel tank and priming bulb style carburetor. If you have one of these type engines and it’s surging – You’re in the right place.

What to do if your Briggs and Stratton snow blower has a problem?

If you don’t have one of these, we recommend visiting your Briggs & Stratton repair dealer to perform the test and check that these components are in good shape. Use this simple Q&A format list to troubleshoot small engine problems you may experience with your lawn mower, snow blower or other power equipment.

What to do when lawn mower won’t start when hot?

Next time you face the same problem like the lawn mower won’t start when hot, sit tight and have hot smoking coffee. Let the mower some time to cool down. Being impatient won’t help at all. Then systematically approach to solve the problem checking every possibility I mentioned above.