Question about Garden
I have a HONDA 3011 HSA riding mower. It cranks and runs fine for 30 minutes. Then it cuts off. AFTER WAITING FOR 10 M=minutes.I restart it and it operates for another 30 minutes. It also seem to be running irradically when just idling. Seems to be surging then backing off and not idling consistently. Any idea of the problem?
Posted by Anonymous on
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Posted on Jan 02, 2017
Mine did this too. THe semi-transparent fuel filter will look like no gas is in it if you have the problem I had. The gas cap on the tank has a tiny breather hole to keep it from coming under a vacuum as gas runs out. Push thru it with a toothpick to clear the hole. That's all it was. But I did have some black debris clogging the filter and had same symptom.
Posted on Sep 06, 2009
The two most likely suspects for the symptom you describe are:
a) Ignition coil failure under high heat.
b) Decompression failure due to normal wear.
For a positive diagnosis try the following:
For scenario a)
Run the engine until it shuts itself down. As quickly as possible, check for spark using a spark tester (availabe at local auto parts store). If no spark when hot, allow to cool down and test again. If good spark when cold and no spark when hot, change the ignition coil.
Proper part number (assuming your machine is still all original) Briggs & Stratton part #492341.
For scenario b)
Run the engine until it shuts itself down. Try to restart but pay close attention to the speed of the spinning starter. Next, remove the spark plug and spin the engine over (WITH SPARK PLUG WIRE WELL OUT OF THE WAY!!) If the engine spins super fast and free you can discount the theory of a bad battery and you will need to adjust the valve lash.
Determine which is the case and reply to this post. I will gladly give a detailed explanation of the valve lash adjustment procedure in another post.
Hope this helps!
Posted on Oct 01, 2009
same prob easy fix switch hoses long hose from tank to filter move it to carb side and put short side on tank buy new filter hard if they have it the soft filter is geting hot and colapsing in the hose. The filter to close to oil filter and geting to hot that was my prob anyway just took 4 ever to figuer it out
Posted on May 07, 2010
SOURCE: Engine runs fine til hot.
I think one of the intake valves, or a valve pushrod, is bent or warped. When the engine heats up, the metal expands and the valve starts sticking open. That would cause compression to be lost in one cylinder, reducing available power so things drag when you engage the blades. This would also causes air/fuel to be blown back through the intake. I think you'll need to take it to a small engine mechanic. Good luck! Please rate my solution if helpful, thanks.
Posted on Jul 12, 2010
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