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Curtis B.
Curtis B., Technician
Category: Agriculture and Farm Equipment
Satisfied Customers: 28897
Experience:  Technican turned service manager on multiple lines of equipment and rental equipment.
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I have a deere gx 345 lawn tractor with the 611v engine. I

Customer Question

I have a john deere gx 345 lawn tractor with the 611v engine. I only run 100% ethanol free premium gas. It will run fine for about 30 minutes. then the engine will start to surge and then shuts off. I have flushed the gas tank and replaced the filter, adjusted the valves on a tight .005 . also cleaned carb. any suggestions to this problem?
Submitted: 2 years ago.
Category: Agriculture and Farm Equipment
Expert:  Wayne replied 2 years ago.

Hi I'm Wayne

I will help you with this

Did you check if it is loosing spark

when this happens

let me know

Customer: replied 2 years ago.
not loosing spark
Expert:  Wayne replied 2 years ago.

Thank you for that

so you checked that already

what about the fuel pump,

is it getting weak, loosing the prime

drop the bowl make sure it is full when this happens

Customer: replied 2 years ago.
bowl is full also
Expert:  Wayne replied 2 years ago.


OK has spark ,has fuel

valves adjusted,

that only leaves the kill wire shorting out

check and trace the wires from the ign to kill switch

Customer: replied 2 years ago.
kill switch has been disabled, and ignition switch is also new and still nothing.
Expert:  Wayne replied 2 years ago.
1 last suggestion
do a compression test , cold and hot when it dies
Customer: replied 2 years ago.
90lbs cold and hot
Customer: replied 2 years ago.
when engine quits it will start back up but surges and quits again. after it cools down it runs fine for 30 minutes and does it again. I am a mechanic myself and I have exhausted all my knowledge on this engine. I have talked to some other previous owners of these and they have had the same problem and never did get it cured. therefore they just bought different brand mowers and dumped there john deeres.
Expert:  Wayne replied 2 years ago.
Thank you for that
Yea , well ever thing is in order ,
but 90 Lbs is a little low 105-115 Lbs
but that would not cause your problem
I am going to post this back to board,
and Opt out
see if someone else has any thoughts
Customer: replied 2 years ago.
I don't mind paying for this if it answers my problem. But it seems you are also out of options. So will I still be charged?
Expert:  Wayne replied 2 years ago.


The only way you get charged

if you rate 3 or more stars

and if nobody can help, request your deposit back

Expert:  Curtis B. replied 2 years ago.

The 345 with the Kawasaki 611 version, shows the electric fuel solenoid in the carburetor base. it may be dropping out Best test is to remove it and test without it. Do you have a bowl bolt that would replace it? With twin engine , I seriously doubt it is an ignition problem, and the fuel solenoid fits the symptom.