LT2000 only goes a few months without flooding. - MyTractorForum.com - The Friendliest Tractor Forum and Best Place for Tractor Information
 
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post #1 of 9 Old 06-07-2019, 01:23 PM Thread Starter
SSG
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LT2000 only goes a few months without flooding.

My neighbors LT2000 floods pretty consistently about ever 6 months or so. On this tractor the gas tank is above the carburetor so it dumps the whole tank of gas into the crankcase. I've been using kohler brand carburetor kits, and when rebuilding the carb the past few times the needle tip didn't really look bad, not hardened or eroded. I rebuild the carburetor, flushed the tank, replaced all the fuel lines and installed a filter and shut-off in the fall and that lasted until the other day. They never remember to close the shut-off so that doesn't really help. I'm considering just replacing the whole carburetor although the oem kohler carb is pretty expensive and I'm not sure if the $30 china carbs are worth messing with. Anyone have any experience with those? (917.273140) with the Kohler CV490S.
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post #2 of 9 Old 06-07-2019, 02:59 PM
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Re: LT2000 only goes a few months without flooding.

Read through this thread in the Small Engine Repair section. https://www.mytractorforum.com/44-sm...-521-03-s.html
I have had 2 of the Kohler/Walbro LMK carbs that I could not get to stop leaking until I changed the seat. I haven't tried one of the Chinese replacements but some cost less than the Kohler seat kit.
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post #3 of 9 Old 06-07-2019, 03:40 PM
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Re: LT2000 only goes a few months without flooding.

china carbs always worked for me there cheep
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post #4 of 9 Old 06-07-2019, 03:55 PM
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Re: LT2000 only goes a few months without flooding.

anyone that doesn't use the fuel shutoff needs a lesson.....just keep charging them for being stupid.
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post #5 of 9 Old 06-07-2019, 05:21 PM
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Re: LT2000 only goes a few months without flooding.

Replacing the carb pin only may not cure the issue if the seat it's touching is not perfect too. I'd say replace the seat as well as the pin. I've done 4 flooding issues and had problems on the ones I didn't do seat. When I did it worked perfect
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post #6 of 9 Old 06-11-2019, 09:19 PM Thread Starter
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Re: LT2000 only goes a few months without flooding.

I can't remember if the carb even has a removable metal seat in it, it may have a rubber seat and an all metal needle. Can anyone confirm that the kit "12 521 03-S" will work for the kohler cv490s 27508? That's the one for the gravity fed command. I can't find the seat repair kit in the parts breakdowns for this motor, which is why I ask.
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post #7 of 9 Old 06-12-2019, 03:28 AM
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Re: LT2000 only goes a few months without flooding.

That's the kit I used in the last Gravity feed one I did. See post #42 here. https://www.mytractorforum.com/14-cr...command-3.html
Mine was a CV15 but I believe the same kit is used for the CV490.
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post #8 of 9 Old 06-12-2019, 09:21 AM Thread Starter
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Re: LT2000 only goes a few months without flooding.

I went ahead and ordered it. I sure hope it fixes the problem.
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post #9 of 9 Old 06-12-2019, 12:48 PM
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Re: LT2000 only goes a few months without flooding.

Maybe get a vacuum operated petcock valve?? They are used regularly on Chinese scooters and get the job done. No(hopefully) fuel will flow from the tank until there's enough vacuum to operate the diaphragm and open the valve. They are cheap, too.
Some mount to the tank and some are 'free floating' to mount anywhere you desire(complete and entire valve separate from the tank).
OTOH, it seems someone needs to enforce the rule that if you choose to not learn, you will pay, again and again. No pain, no gain?
I had a leaky float valve, and it leaked all over the mower, onto the garage floor.

Once.

I got a shutoff and use it religiously. I don't want a garage fire. Not good.
tom

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