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Mt50qt-3 how to hook hoses from carb to fuel system

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Posted on Jan 02, 2017

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SOURCE: McCulloch Chainsaw carb not getting fuel

This is the same problem I have with a Mac 3200. I have: (1) A line from the primer bulb to the front port on the carburator. (2) line from fuel tank, with attached fuel filter, to the other primer bulb port. (3) Line from port on back of carb. to ????. I thought it must be a pulse line, but not certain, and don't know where to run it to. Please let me know when you find out.

Posted on Aug 23, 2009

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SOURCE: HAVE WALBRO CARB WT324 WHEN PRIMING FLOODS THE CARB NO FUEL EXITS THE FUEL VENT HOSE ANY HELP

There are two connections on the carb, one is connected to the suction side of the primer bulb, the other to the fuel pick up pipe in the tank, the idea is the primer pulls fuel from the carb, into the bulb and back into the tank, if the pipes to and from the primer are fitted round the wrong way it will try to push fuel into the carb and make it flood, so check the suction side of the primer is connected to the carb, and the tressure side is back to the tank.

Posted on Mar 14, 2012

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SOURCE: where is the main fuel line intake on my holly 4 barrel carb?

If it has a hose hookup you attach it there with a clamp or if you do not have the proper fitting or fuel line end you will have to get the proper parts.

Posted on Dec 14, 2014

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Where is the main fuel line intake on my holly 4 barrel carb?


If it has a hose hookup you attach it there with a clamp or if you do not have the proper fitting or fuel line end you will have to get the proper parts.

Dec 14, 2014 | Cars & Trucks

1 Answer

Need a fuel line diagram for 1985 700 yamaha maxim


There\'s no "fuel line diagram" for the Maxim-X that I\'m aware of but the fuel lines aren\'t all that complicated.



Let\'s start at the gas tank. The petcock has 2 hoses coming from it - the smaller of the two is not a fuel line - it\'s the vacuum line to trigger the petcock valve and it connects on the hose nipple at the top of the #2 intake manifold. Some people have petcocks where the vacuum hose leaves the petcock toward the back of the bike before doubling back to the #2 manifold. Others have petcocks where the vacuum hose leaves the petcock toward the front of the bike before connecting at the #2 manifold. Either way works. It\'s not important which way as long as the hose doesn\'t get kinked and cut off vacuum from the manifold.



The larger hose from the petcock is, of course, the main fuel feed. From the factory there was not an in-line fuel filter in that hose but there should be. In fact, it\'s one of the first things I recommend to people who are tinkering with their X fuel system. Install an inline fuel filter right behind the petcock as shown here:

http://www.maxim-x.com/fuel_filter.html (there are pictures midway down the page)

The end of the hose emerging from the fuel filter has bends in it in order to neatly find it\'s way to the fuel T between the #2 and #3 carbs. The T is just above the tops of the bowls. Don\'t be afraid if you see the fuel T rotate while pressing the hose onto it - that\'s fine.... unless it rotates too freely in which case the seals might dried up and you might experience some seeping or even full blown leakage around the T fitting where it enters the #2 and #3 carbs. Oh... one more thing about the main fuel hose - there is a guide loop bolted to the carb rack on the rail joining the top-back of the carbs, between the #2 and #3 carbs. The main fuel hose is meant to be held in that guide loop.



Two down - two to go.



There are only two remaining and identical fuel hoses - they are actually float bowl vent/overflow hoses. There are 2 more T fittings on the X Mikunis - both are at the same level.... just a bit higher up than the fuel T for the main fuel hose. There is one vent/overflow T between carbs #1 and #2 and another between carbs #3 and #4. Just like the main fuel inlet, these T fittings also rotate. But unlike the main fuel inlet, if they rotate too freely and imply that the seals may be dried up, it\'s of little consequence because they\'re only vent/overflow fittings anyway. If the carbs are setup right and the float valves aren\'t sticking then there should never be any fuel in those hose at all. Seriously - they should remain forever dry and fuel-free if everything is correct. It\'s only when the float valves stick or if someone incorrectly sets the float levels too high that you\'d ever expect to see any fuel coming from those fittings through either of the vent/overflow hoses.



There is one caution about connecting the 2 vent/overflow hoses. Make sure they aren\'t directed UP from the T fittings and draped over anything before heading down again. The hoses should leave the T fittings in a downward direction, otherwise, if there\'s some kind of condition that causes float levels to be too high, draped hoses will allow the fuel levels to get much higher in the carbs before draining away and that can lead to other unhappy things.



So to sum up - there are only 4 hoses involved in the Maxim-X fuel system (unless you\'re in California in which case there\'s an extra bottle and lines). 1.The petcock vacuum hose, 2.The main fuel feed which goes to a T between carbs #2 & #3 and which should have an inline fuel filter installed, 3.The left float bowl vent/overflow hose which connects to a T between carbs #1 and #2 and should be directed down, and 4.The right float bowl vent/overflow hose which connects to a T between carbs #3 and #4 and should be directed down. That\'s all there is.



HAP

www.maxim-x.com

Aug 14, 2014 | 1985 Yamaha XJ 700 X Maxim

1 Answer

Fuel system


Before you start pulling the carb and fuel system apart, just try hooking the fuel filter out of the tank ( on the end of the fuel hose ) and replacing with a new filter, this may sort out your running issues.

Feb 02, 2013 | Garden

1 Answer

Is not sucking gas from when i push the bleeder


u don't have hoses hooked up correctly. one hose is hooked up to a fuel filter other end going to carb. 2nd hose comes from tank and has a small devise on it as a breather, and your 3rd hose comes from the tank and goes to the other nipple on your carb for over-flow of fuel that does not get used and sent back to tank.

Jun 26, 2012 | Echo 21001308360 Flexible Pipe Pb Blowers...

1 Answer

Leaks fuel somewhere around carb area,can't see good enough to fix . I would like to take carb off if i knew how. thank you ...


Sounds like you have an open where the fuel line exits the tank. Remove the screws that hold the cover and remove it. Remove the air cleaner and wash it with soap and water and let it dry, You should be able to see the 2 nuts that will let you remove the carb. Release the throttle linkage,fuel lin,and return line,this should let you see the hoses easier. Make a wire hook and hook the the fuel line, OH drain the fuel from the tank befor doing any thing!!! Now as you pull the line from the tank, help it by pushing down as you pull it from the tank. Clean or replace the filter. Start the hose needing replaced from the top down into the tank,after about 6 in try to hook the line toput the filter on,push as much hose as needed to hook it. Next reinstall.the carb in the reverse. Good Luck.

Feb 13, 2011 | Husqvarna Partner Gas Powered Cut Off Saw...

1 Answer

I have a 1981 Suzuki gs650L and need to know how to hook-up the carburater. Carb is installed on engine.....don't remember where all the connections go. I'm looking at 2 hose connections on the carb, 3...


Hi, Tdmmnice for this scenario you will need your service/owners manual if you can't find the first and best tool you ever bought for your Suzuki, despair not, for a mere zero $0 you can download another one. For more information about your issue and valuable "FREE" downloads that you will need please click on the blue links below. Good luck and have a wonderful day.
1981 Suzuki gs650L fuel line routing Google Search
Tank petcock lines to carb Suzuki GS 850 1979
http://gsarchive.bwringer.com/mtsac/~cliff/storage/gs/GS650GManual.pdf
OEM parts for Suzuki
http://gsarchive.bwringer.com/mtsac/~cliff/storage/gs/1982_Suzuki_GS650G_Owners_Manual.pdf

Mar 29, 2017 | 1981 Suzuki GS 750 L

1 Answer

I have a 1982 toyota p/u 22r. my truck started stalling and was hard starting. i determined it to be fuel orientated. i changed f/filter and after doing so i blew air through it catching whatever into a...


mcdevito75 here, Nice work, fixing your toyota, , Your old carb. had 3 hoses the new only 2, 1 of these hoses most likely goes to the egr vave, the other 2 may go thru the firewall to the heater control. Here"s what to do, follow each of these rubber hoses to where they go if I'm right you still need 3 ports on your new carb. to supply vacumn to the units these hoses are attached to, only problem is you have 2 ports and not 3 on this new carb. At your auto supply store by a T to place in 1 of these vacumn lines so as to have hoses going in 3 directions or to 3 units while only have 2 ports on the carb. With this plastic T cut 1 of the hoses, place the T in the spliced hose then on the T's 3rd side, hook back up to carb. Now you have 3 hoses feeding off 2 ports from the carb. Hope this helps.

Mar 27, 2010 | 1983 Toyota Pickup

1 Answer

I think someone hooked up fuel lines wrong. The bike runs out of fuel when the fuel switch is on. Both lines out of tank go to secondary tank and bottom line on secondary tank has fuel filter and goes to...


not that familiar w/Yamaha,but disconnected vacuum hoses may connect to fuel petcock at tank.I know Honda uses a system that only allows fuel to flow when vacuum is supplied.

Sep 26, 2009 | 1988 Yamaha XV 535 Virago DX

2 Answers

McCulloch Chainsaw carb not getting fuel


This is the same problem I have with a Mac 3200. I have: (1) A line from the primer bulb to the front port on the carburator. (2) line from fuel tank, with attached fuel filter, to the other primer bulb port. (3) Line from port on back of carb. to ????. I thought it must be a pulse line, but not certain, and don't know where to run it to. Please let me know when you find out.

Aug 13, 2009 | Poulan Pro 42CC 2 Cycle Chainsaw, 18"

3 Answers

Vacum and fuel line diagram needed


I have an 89 Katana and don't know where the two vacuum lines on the top of the carbs go

Mar 11, 2009 | 1989 Suzuki GSX 750 F (Katana)

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