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Old 02-01-2008, 09:03 PM   #1 (permalink)
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80 jag 3000

I have a problem. I am trying to rebuild the fuel pump. I got a rebuild kit. I installed it, as far as I know it is correct. I checked the vaccuum line and I have good suction. How ever the fuel pump is not working. Can some one please help me get this back together correctly.

If some one has instructions on how to do this that would be great.
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Old 02-01-2008, 09:18 PM   #2 (permalink)
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Old 02-01-2008, 09:22 PM   #3 (permalink)
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thanks can you explain, which one of those numbers are which part.

I believe I have two different diaphrams. One is black one is clear, I know I need to use the clear, then I think the very thin rubber gasket is the membrane, and I guess the packing is what I would consider the gasket, it feels like gasket material.
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Old 02-01-2008, 10:09 PM   #4 (permalink)
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Ok well now it will start but it will not stay running. I already cleaned the carb the other day. I had it running great this afternoon. But later on when I went out to ride it again it died. That is when I rebuilt the fuel pump. Thanks to Artic Cat Guy now my fuel pump is working properly. How ever I am back to it not wanting to run. It starts on carb cleaner and run on carb cleaner but it will not run on gas. It is a carb problem at this point and I know that.
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Old 02-01-2008, 10:22 PM   #5 (permalink)
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Is there anyone near Washtenaw County Michigan that knows about an 80 Artic Cat jag 3000, that is able to give me some of there time and help me get this sled running good. When it runs it runs strong and healthy but that is when it runs. I need carb cleaned, I cleaned the main jet and pilot but the carb needs a good cleaning.
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Old 02-01-2008, 11:17 PM   #6 (permalink)
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your float may be sticking and not letting enough fuel into your bowl..or your choke is out of adjustment..if i think of anything else i will let you know, your pulse line may be leaking or colapsing cutting off air, just to rule it out do a compression test, if it low, put a tbsp of 2cycle oil in each cylinder pull a couple of times and do a comp test again and compare readings, it iwll tell you if you have a blown seal or worn rings
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Old 02-03-2008, 12:55 AM   #7 (permalink)
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Ok well I pln on tearing the carb a part tomorrow again. I plan on cleaning it again tomorrow just to be safe. I will let you all know what happens. When I say tomorrow I mean 2-3-08.
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Old 02-07-2008, 03:09 PM   #8 (permalink)
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Ok took the carb off again. I cleaned it again. I reinstalled it. I got the fuel pump supplying a great amount of fuel. I did a compression test. I have 120psi in both cylinders. I have good spark from both plugs. It will run on carb cleaner. So what could be wrong. The fuel bowl is getting fuel to fill it up. The float is not sticking. I am lost anyone got any ideas.
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Old 02-09-2008, 12:12 PM   #9 (permalink)
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Well I took the carb into the shop for professional cleaning. I am tired of messing with it. I have to much other stuff to get wrenching on. To keep messing with a carb that needs a good gone through by a pro.

Besides for 25 bucks I know the guy and trust his work. I know it is money well spent.
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Old 12-19-2013, 07:30 PM   #10 (permalink)
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Blew the engine up on this and scrapped the sled.
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Old 12-20-2013, 12:22 AM   #11 (permalink)
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man, rough going. Why did it blow? Of course, the previous messages were from 5 years ago, so you must of gotten some good riding out of it.
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