Surging and shutdown after 15min.

arstinince4284168 · Dec 9, 2022

Hey all, this is my first riding mower and I'm a little ignorant of what can cause this.

I run the mower for about 15 minutes and it begins to surge and then dies. I let it sit a while and it runs normal again. Sounds like it's overheating. I am riding it at full blast on lvl3 to try and get through my big lawn as quickly as possible. Is that bad? Are they supposed to be able to handle that?

Thanks for any advice.

dave_r · Dec 10, 2022

Yes, the engine should be able to run continually at full speed.

You might start with trying something simple, and loosening the cap on the gas tank and seeing if the problem still happens (ie, the vent in the cap may be plugged, eventually causing a vacuum in the tank as fuel is used, preventing the engine from getting any).

groomerz · Dec 10, 2022

Sounds like fuel starvation star with Dave’s idea of gas cap

Next would be to disconnect fuel line at carb and see if good flow into a container

Sent from my iPhone using Tapatalk

arstinince4284168 · Dec 10, 2022

Ah good point. I'll check into that. I suspected fuel flow too, so I bought a new filter. This is gravity fed though right? I can see if the cap is plugged that a vacuum would build up. I have a very dusty lawn in spots and a lot of dirt kicks up. Thanks guys!

dave_r · Dec 10, 2022

You might post more info about your mower...

609745 · Dec 10, 2022

welcome to the site;
yes as dave has asked if we have more information such as the type of machine, motor IE kohler, brigs, kawasaki, the machines model number ,many of the members of which many are pro ope techs will be more able to help you

arstinince4284168 · Dec 12, 2022

Ok, sounds good. Thanks for the welcome! Let me get back to you with that info. I can tell you oof the top of my head that it's a Troybilt Bronco 46x with a th a Chinese off brand motor. There's no indication of the brand on it. I can get the model number when I get home!

609745 · Dec 12, 2022

if you think it's the china MTD engine they are pretty dependable . start with loosing the gas cap replace the pickup filter inside the tank and the fuel line and fuel filter .i don't know whats going on but this year for some unknown reason i have seen way to many clogged filters causing surging .even my own machines

i'm attaching a few manuals to help you a TAD

arstinince4284168 · Dec 12, 2022

charles g said:
if you think it's the china MTD engine they are pretty dependable . start with loosing the gas cap replace the pickup filter inside the tank and the fuel line and fuel filter .i don't know whats going on but this year for some unknown reason i have seen way to many clogged filters causing surging .even my own machines

i'm attaching a few manuals to help you a TAD

Thanks so much man! I will look these over!

Surging and shutdown after 15min.

arstinince4284168

dave_r

groomerz

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dave_r

609745

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