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Curtis B.
Curtis B., Technician
Category: Small Engine
Satisfied Customers: 30115
Experience:  Service manager and technician for all brands of engines with 40 + years of experience.
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Honda GX140 engine on pewerfab starts from cold few

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honda GX140 engine on pewerfab starts from cold for a few seconds, Then cuts out on trying to restart pulcord feels siezed until cooled down, this happened when the engine cut out like it had run out of fuel........... i,m thinking could water have got in the petrol when refueled and jellied clogged the carb could that make the engine feel siezed, all oils are at correct levels

Hello there,

I've been working hard to find a Professional to assist you with your question, but sometimes finding the right Professional can take a little longer than expected.

I wonder whether you're ok with continuing to wait for an answer. If you are, please let me know and I will continue my search. If not, feel free to let me know and I will cancel this question for you.

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Customer: replied 2 years ago.

Yes i,m prepared to wait A little longer longer, meantime I,ll also try fixing it myself, if I can I,ll inform you

Thanks Paul


Thanks for getting back to me.

We will continue to look for a Professional to assist you.

Thank you for your patience,


What is application?
Is there any metal flake in the oil?
You may have engine seizing crank bearing or piston. It frees up cold, but siezes when it warms.
Curtis B., Technician
Category: Small Engine
Satisfied Customers: 30115
Experience: Service manager and technician for all brands of engines with 40 + years of experience.
Curtis B. and other Small Engine Specialists are ready to help you
Has it ever been run low on oil?
Is oil thinned from gas contamination?
If this is pressure washer, the pump may be the problem. You would have to separate the pump from engine to check.
Customer: replied 2 years ago.

hi its a powerfab125 mini digger with a GX 140 5hp engine

I can see you having to separate the engine from the hydraulic pump drive!
Customer: replied 2 years ago.

I'll look at this tomorrow as its to dark now and let you keep you updated, thank you

Ok, thanks!
Customer: replied 2 years ago.

sorry for delay in reply illness and bad weather has held me up, i split the engine from the hydraulics, rechecked the oil which was looking thin, strange as its checked regularly, then took the plug out for a clean and it spat quite alot of fluid from the piston chamber on pulling the recoil, I then replaced the plug gave it a few slow pulls to turn over removed the plug their was fluid in the piston chamber again, needless to say I didn't try starting it, now I'M confused

The carburetor is dumping fuel, due to leaking needle valve and float. If you pinch off the fuel line from the tank, it will stop. You need to rebuild carburetor or replace it.
Or get a fuel shutoff valve and keep it shutoff between uses.
Customer: replied 2 years ago.

would that give the engine the impression of being siezed

Yes, the fluid in the cylinder does that!
Customer: replied 2 years ago.

Thank you very much for your help

Thank you!