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JD 6X4 gator, 2 Cylinder fuel or engine issue

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tom

05-27-2003 14:18:33




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1996 6x4 JD gator engine runs pretty well for awhile, then starts to bog-down after 2-3 weeks. Original s-plugs started getting black carbon on them...changed to new s-plugs, then ran great and now [after month] started bogging down again...examined both s-plugs and one was absolutely more heavily black carboned than the other [other was mildly carboned]...what could be causing this and what can I do to proactively prohibit this or correct it?

thanks in advance,
tom

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Richard E Curtis

08-05-2003 11:03:50




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 Re: JD 6X4 gator, 2 Cylinder fuel or engine issue in reply to tom, 05-27-2003 14:18:33  
My 1999 6x4 gator has fouled plugs and has horrendous backfiring problems since purhase. JD has never solved the problem or shown any interest in doing so.



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motrack

05-28-2003 10:20:06




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 Re: JD 6X4 gator, 2 Cylinder fuel or engine issue in reply to tom, 05-27-2003 14:18:33  
If one plug is turning black change you air filter..... ..there is a SIB from a few years back relating to this problem.

still see it in our shop today.



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ET

05-28-2003 04:42:34




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 Re: JD 6X4 gator, 2 Cylinder fuel or engine issue in reply to tom, 05-27-2003 14:18:33  
We had some problems like this with our gator too. The mechanic at our local JD dealer said deere has recently recomended hotter plugs because of this problem. Our gator was gutless and seemed to run on one and a half cylinders it turned out that a push rod had jumped off on the rear cylinder. The mechanic said this seems to be a comon problem.



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tom

05-28-2003 05:39:12




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 Re: Re: JD 6X4 gator, 2 Cylinder fuel or engine i in reply to ET, 05-28-2003 04:42:34  
ET,

Thanks for the input. What plugs are you now running and what is the gap? Also, what year/model did you own? If all of these posts are stating these are common problems, is deere helping some to fix them?

thanks



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ET

05-28-2003 07:08:27




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 Re: Re: Re: JD 6X4 gator, 2 Cylinder fuel or engi in reply to tom, 05-28-2003 05:39:12  
The dealer says one heat range hotter on the plug and gap it the same as the origonal plug. Some gators use long reach plugs and some use short reach plugs you will have to look at what you have to get the right plug. Our gator is a 2000.



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Rick

05-27-2003 19:01:30




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 Re: JD 6X4 gator, 2 Cylinder fuel or engine issue in reply to tom, 05-27-2003 14:18:33  
There were problems with the older Gators, they would foul out one plug. The reason they did this was because of idling too long or just using it on short runs and not running hard enough to get it warmed up.



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G Taylor

05-27-2003 14:41:22




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 Re: JD 6X4 gator, 2 Cylinder fuel or engine issue in reply to tom, 05-27-2003 14:18:33  
Try a new clean airfilter and make certain the choke blade is wide open. Pull the hose off and look to make certain. Has the thermostat stuck open and the engine is running cold? Using old stale fuel and more putting around tasks? Is there someone who used to drive it wide open throttle but now it doesn't get the Italian Tune-Up.



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tom

05-27-2003 15:54:38




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 Re: Re: JD 6X4 gator, 2 Cylinder fuel or engine i in reply to G Taylor, 05-27-2003 14:41:22  
G. Taylor,

Thanks for your reply; here are some answers/comments to your questions/comments.

Try a new clean airfilter and make certain the choke blade is wide open. Pull the hose off and look to make certain. OK, will do.

Has the thermostat stuck open and the engine is running cold? I do not know but will examine and get back to you.

Using old stale fuel and more putting around tasks? I have run some fuel additives/cleaners recently and maintained fresh fuel...I do engage in some [mandatory] putting around for watering newly planted tree's during our S. Texas drought.

Is there someone who used to drive it wide open throttle but now it doesn't get the Italian Tune-Up...I make a point of it to drive it WOT to heat it up and burn the carbon off or at least make an attempt to burn it off.

GT, is there any reason why one s-plug [on the cyl-head towards the rear of the engine] gets way more heavily carboned than the other?

thanks

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G Taylor

05-27-2003 21:53:17




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 Re: Re: Re: JD 6X4 gator, 2 Cylinder fuel or engi in reply to tom, 05-27-2003 15:54:38  
May have to start looking deeper if a compression check doesn't show a weak cylinder. Valve lash would be worth a look too.



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Mikey G

05-27-2003 19:07:54




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 Re: Re: Re: JD 6X4 gator, 2 Cylinder fuel or engi in reply to tom, 05-27-2003 15:54:38  
Tom
Is this a V twin Kawasaki? I have the service manual at the shop.If it is the above engine Deere has had a fair amount of cam problems(plastic gears) with them, but it dosent sound like that in your case. If I get time tommrow I will look at the teck manual.

Good luck

MikeyG



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tom

05-28-2003 05:33:44




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 Re: Re: Re: Re: JD 6X4 gator, 2 Cylinder fuel or in reply to Mikey G, 05-27-2003 19:07:54  
Mickey,

I will check the engine make when I am back out there, which will be tomorrow or Friday and post back to you. I do know that it a Japanese make, but just can not remember the kind. I will get you the spec's...thanks for your help. BTW, if there are [defective] engine problems, is Deere living up to some kind of recall plan?



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Mikey G

05-28-2003 14:10:37




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 Re: Re: Re: Re: Re: JD 6X4 gator, 2 Cylinder fuel in reply to tom, 05-28-2003 05:33:44  
Tom At the consumer level they dont allways jump in to help. I own and operate a Golf course and have a LARGE amount of their equipment and they have done right by me as a commerical acct.Get back to me with your info and I will see what i can find.

Mikey G



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Tom

05-28-2003 20:05:13




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 Re: Re: Re: Re: Re: Re: JD 6X4 gator, 2 Cylinder in reply to Mikey G, 05-28-2003 14:10:37  
Mickey,

To the heck with the JD Gator...let's shoot some golf until all our balls are in the water !!! I wouldn't have enough time to work on a 2-cylinder if I had a golf course, that is unless I could use an MT for a my golf cart and rig an attachment for a couple of g-bags and an ice-cooler...I'll get back to you Mick in a day or two, thx...where's the g-course??



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Mikey G

05-29-2003 18:49:20




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 Re: Re: Re: Re: Re: Re: Re: JD 6X4 gator, 2 Cylin in reply to Tom, 05-28-2003 20:05:13  
Tom My course is located in Howell Michigan. Named Hunters Ridge Golf course. My parents and I built it in 1995 on our family farm.I have a couple of other 2 Cyl nuts working for me.We hosted the U>S> open qualifier in 2002.Owning a course dosent improve your game, just nobody ? your scores LOL

Mikey G



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