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Post by newbscootdude on Jun 29, 2013 18:59:59 GMT -5
So I feel like an idiot, to make a long story short I have no mechanical backround and undertook an 80cc upgrade kit from a 50cc and everything is going great so far but I cant seem to figure out which tubes go where on my carb. I know which on is the fuel (obviously) but the pictures I took werent good enough to see where the other ones go. I have tried to find videos or diagrams but with no luck. It would great if you guys could provide either a video or a very good diagram for a 139 qmb (gy6) carburetor hosing.
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Post by sailracer on Jun 29, 2013 19:21:05 GMT -5
your carb should have only two connections. one, the higher one goes to the fuel filter. thats the fuel line. the lower one is just a drain to drain the bowl. it goes either to a metal fitting with a small screw in it, or just a fuel line with a plug. or just plug it
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Post by newbscootdude on Jun 29, 2013 19:33:20 GMT -5
Thanks well then I guess what I need to know is theres a nipple coming off the manifold from the carb to the valve head. I have no idea where that one goes all i have found is its a vaccuum line.
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Post by alleyoop on Jun 29, 2013 19:33:25 GMT -5
Here is a 50cc carb I labeled some of the parts. Now if your talking about the VACUUM HOSES 1. One goes to the PETCOCK Now if your scoot has EMISSIONS--CANISTERS they are operated by VACUUM also. So you need to take some pictures of what you have Just put some light on the area before you take pictures. If you can tell me where SOME OF THE HOSES ARE COMEING and WHERE the HOSES are coming from going to CANISTERS I can tell you what you have. Alleyoop  |
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Post by newbscootdude on Jun 29, 2013 19:41:46 GMT -5
I will take some better pics of what I have and discribe it better tomorrow as I am at work right now and really am not sure. Just check back in tomorrow when ever I will try to get the pics up asap thank you guys for the help its much appreciated!
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Post by alleyoop on Jun 29, 2013 19:58:34 GMT -5
I labled this setup maybe that will help. Alleyoop  |
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Post by newbscootdude on Jun 29, 2013 20:05:29 GMT -5
wow that is super helpful. Can you label one for a fuel up system for me? or are they basically the same?
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Post by justin010304 on Jun 29, 2013 20:28:04 GMT -5
that includes the fuel system.
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Post by newbscootdude on Jun 29, 2013 20:34:04 GMT -5
my understanding is if the gas tank is above the engine its a gravity fed system, and if the gas tank is below the engine is a fuel up system or pump fed system. That is what i meant by asking is that a fuel up system.
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Post by alleyoop on Jun 29, 2013 20:44:25 GMT -5
Same thing instead of having a PETCOCK you have a FUEL PUMP but the same applies the VACUUM LINE from Either straight from the INTAKE goes to the VACUUM fuel pump connector or if there is a "T" or a "Y" Vacuum connector one of them goes to it. THey are all the same.
Alleyoop
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Post by alleyoop on Jun 29, 2013 20:47:29 GMT -5
Here is my fuel pump my tank is in front of the trike. Alleyoop  And here is my carb and hoses:  |
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Post by newbscootdude on Jun 29, 2013 20:55:30 GMT -5
awesome much appreciated. I have another question as well the valve cover vent hose on mine i believe goes down to whats called a breather bolted to my cvt case. but I honestly cant remember nor can I tell from the pics I took. That would be the last one im not sure about after that I will be able to see if she starts.( im really kicking myself for not taking better pics of the hosing setup)
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Post by newbscootdude on Jun 29, 2013 21:10:33 GMT -5
Ill send some before and after pics of what I got tomorrow if you feel like give this post a look tomorrow i should have them posted. Ill connect and label stuff in the picture for you and you can double check my work. Thanks for the help
Newbscootdude
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Post by newbscootdude on Jun 30, 2013 11:38:52 GMT -5
I hope videos are ok? I just realized reviewing the video i dont have the drain hose connected but i know where that goes.
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Post by ramblinman on Jun 30, 2013 12:13:02 GMT -5
I hope videos are ok? I just realized reviewing the video i dont have the drain hose connected but i know where that goes. vid is private |
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(need 112)
jet
..BAD TO THE BONE..