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 04-26-2009, 15:30 Post: 162325
bjhutton



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 gas in crankcase

My gator usually starts and runs pretty good but sometimes when going about 2/3 speed it dies. If you let it sit for about 20 seconds you can start it up again. Sometimes it will do the same thing again and sometimes it might run for 1/2 hour. We pulled gas hose off carb. and had fuel pressure but the fuel pump hardly ever shuts off.
The oil is thin & smells like gas. We replaced the needle valve in the bowl to see if that would help but the fuel pump runs constantly when the key is on. I squeezed the fuel hose with pliers but the pump still kept running. Thanks for any help you can give me. Bob H.
We have had to change plugs every few hours to get it started.






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 04-26-2009, 17:41 Post: 162327
hardwood

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 gas in crankcase

BJ; Which model Gator do you have?






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 04-26-2009, 20:09 Post: 162329
bjhutton



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Hardwood I think it is about a 2000. The serial # isWoo6x4x024590 if that helps any. I appreciate any advice you can give me. Thanks Bob H.






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 04-27-2009, 06:26 Post: 162335
gatoraider



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BJ, 6X4 fuel pumps don't shut off, when the key is on they are on. The needle and seat slow them down, or stop flow. There is no circuitry to shut them off.I wonder if your seat is bad. You should be getting gas out of the overflow tube if the bowl is overfilling. And if you are getting enough gas in the motor to fowl the plugs you should definately be getting gas out the overflow, unless it is coming in the right way ( main jet size too big or air intake restriction ) Are you sure it is gas fowling the plugs and not oil? Have you tried changing the oil and monitoring it? Also when you change plugs do they both look the same? Have you tried a hotter heat range plug? It seems that the only thing that would let too much gas in a motor is too large of a main jet. What main jet is in it? I think the largest they had was 87. Too cold heat range plug would also give this kind of problem. Also check your air filter for restriction. Any of these conditions should make it run rich with black smoke, and it probably wouldn't clean out totally when it was running.






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 04-27-2009, 07:50 Post: 162337
earthwrks

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 gas in crankcase

(Gator: I'm just yanking your chain so don't get all bent outta shape, 'k?)

"Are you sure it is gas fowling the plugs..."

Hmmm---I'm wondering what size fowl---chicken, goose-- could be getting in there.

OOOOOH you mean "foul" as in "messed up". Ah-ha!






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 04-27-2009, 09:21 Post: 162338
bjhutton



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Thanks gatoraider. I will try some of your suggestions & let you know






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 04-27-2009, 10:03 Post: 162339
gatoraider



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Earth, you know I thought it looked funny, but I was worried about circuitry, and it was early. Thanks for the help, I need all I can get.






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 04-27-2009, 15:12 Post: 162347
kthompson

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 gas in crankcase

BJ, we have a Gator probably 2 or 3 years newer than yours. It is one engine that does not like gas to sit in over the winter. If so it better have gas stablizer in it, mixed properly or the next time used a real problem.






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 04-27-2009, 22:57 Post: 162359
bjhutton



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Thanks KT. I always put stabil or seafoam in our equipment for their rest period in the winter so I don't think that is a problem. I am open for any other ideas you may have. Thanks again Bob H.






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 04-27-2009, 23:11 Post: 162362
bjhutton



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Hi Gatoraider. I tried some of your suggestions---
Both plugs looked the same-very black & dirty and smelled like gas.
No gas ever came out of the overflow tube.
We changed oil,oil filter,air filter & plugs.
THis all seemed to help a lot. It ran much smoother, had more power & seemed to shift better but when I turned it off it backfired. The old air filter was pretty black on the inside. I will try it for a couple more days & see if it gets any better. Thanks Bob H.






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Discussion Boards > Active Subjects > Messages as Posted > John Deere Gator Forum

Thread 162325 Filter by Poster:
bjhutton 5 | earthwrks 1 | gatoraider 3 | hardwood 1 | kthompson 1 |




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