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Old 01-09-2010, 11:51 PM   post #1 of 6
Deere 235
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Question Kawasaki v-twin 18 hp.

I have i John Deere gt 235 and just the other year ago in the winter months i started having trouble with the engine surging,now just today when i went to use it to plow snow it would not start,so when i checked the carburetor it had a layer of ice in the bottom in front of the choke flipper,so i cleaned it out and sprayed carb cleaner in the carb and after that got running but it surged badly so i shut it down and waited a few minutes and it ran fine after that but i wanted to see if anybody else has ran across this problem either with this model tractor or this engine and how to solve the problem.
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Old 01-10-2010, 06:13 AM   post #2 of 6
Herd of Deeres
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Default Re: Kawasaki v-twin 18 hp.

I don't know if there are any specific design issues for your model but if I had the same problem on my single-cylinder Kawasakis I'd start with finding out how ice is getting into the carb there as water first. Check for damage to the intake. Drain the carb float bowl and change the fuel filter. You may have crud jamming the float. Throw some Stabil or dry gas into the tank to clean up any water. Always store it with the tank full to avoid tank condensation.
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Old 01-10-2010, 08:16 AM   post #3 of 6
rrmccabe
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Default Re: Kawasaki v-twin 18 hp.

Maybe your tractor needs a bra too

The surging and letting it sit (warm) and then running fine is a good indication of moisture in the system. The warm motor sitting thaws the icing.

I agree with Herd. I would dump something in the tank to remove moisture and then go from there if it continues.
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Old 01-10-2010, 08:40 AM   post #4 of 6
Dave Shaver
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Default Re: Kawasaki v-twin 18 hp.

I'm starting to not like Stabil. I seem to get a surge at the mid range on the throttle but nowhere else when no Stabil. Add Stabil and its more pronounced. Fresh gas again and its better. The JD dealer told me the red Stabil doesn't work in ethenol, use the blue one.
I think mine is a governor adjustment required but get worse with Stabil. I'm gonna use my Seafoam next time or some dry gas. This 10% ethenol crap seems to be screwing a lot of small engines up. It soaks up moisture and that could be your icing problem. I have found operating the Kawasaki FD590V 18hp liquid cooled for 20 years that the carburator is quite sensitive to anything other than absolutely clean and adjusted properly.

Just my opinion,
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Old 01-10-2010, 10:35 AM   post #5 of 6
Deere 235
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Default Re: Kawasaki v-twin 18 hp.

Thanks for the suggestions i'm going to try filling the fuel tank and add dry gas to it because i've been storing it with only around1/4 tank so it looks like that could be causing my moisture problem.
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Old 01-10-2010, 10:48 AM   post #6 of 6
rscurtis
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Default Re: Kawasaki v-twin 18 hp.

You're probably a victim of carburetor icing. Try to find a way to get warm air to the carburetor, even if you have to remove or bypass the air filter. An air filter is not required for snow removal, as there is no dust in the air.
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