The mower just started doing it this weekend,it starts,runs fine for a while then just bogs down and eventually dies,while i'm trying to get it back to the garage,it will run and cut fine for anywhere from 10 to 20 minutes,it seems to be a fuel problem,pulled the spark plug and its dry,changed the air filter,fuel filter is fine too,thank you
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Re: stalling after mowing a little
Sounds like the float and needle need to be changed. The float is fluctuating too much causing the needle to raise out of the hole to the carb just enough to keep it running but not enough to stay running. Replace the needle and float. This is something a lot of people over look and most the time is the problem.
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Your mower doesn't have enough power to handle very thick grass at high speed. You need to go slower across the lawn. That's easy to do if this is a push mower (just don't walk so fast) or if it's a self-propelled model with a speed control. But if it's a single-speed model you'll have to mow the lawn in fits and starts: squeeze the lever to move it forward; release it when you hear it bogging down; wait for the motor to reach full speed; squeeze the lever to move it forward again; repeat. Also, is the grass very high? If so, try setting the cutting height higher on the first pass, then lower it for a second pass. Finally, make sure the blade is sharp.
Although, this does sound like a fuel issue due to past experiences I want to say the problem might not be fuel at all, but before we go that route try one thing. On that particular model I believe the gas cap is vented, if so try running it till it acts up, then remove the gas cap for a moment and see if the engine returns to running normal, if not I believe your coil is going out. I have seen alot of these engines recently where the works fine but when the get hot they quit functioning all together or only function part of time which in your case would indicate why it is missing and fowling the plug. When these tend to do this after they cool back down they function properly again until they get heated up again. I hope this helps you.
YEs it sounds like one of the quill assemblys is heating up and the bearing is starting to bind, the quill assembly is the unit that is between the blade and the belt that the blade and pulley attach to there is 2 bearings inside these and with age they start to wear out and need to be replaced my suggestion is to replace all the quill assemblies at one time as this saves headaches down the line when another starts to fail. Hope This Helps Don
you are cutting to much grass & it isn't kicking it out fast enough out of deck which will bog it down it might help if you clean out the bottom of the deck & also dont cut really low if grass is really tall also cutting wet grass will aslo cause the bogging if i can further help e-mail me wade at firstname.lastname@example.org
A few possibilities 1. If engine runs hotter than normal it can eventually heat up the carburetor to the point that there is a vapor lock. Blockage caused by gas bubble: a bubble of vaporized gasoline that blocks the normal flow of fuel. Problem goes away when things cool down. If that is the problem, you need to solve overheating problem. Since you have changed the oil, might be something blocking airflow to the flywheel which has the cooling blades on it. Or cooling blades are filled with debris. Make sure vent hole in gas cap is not blocked 2. Could be bad coil, or condenser causing the windings to act up when they are hot and have expanded they short out (kill engine) on their own casing. After they coil and shrink, they un-short themselves.