Question about 1995 Suzuki GSX 600 F (Katana)

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1995 Suzuki GSX 600 F vacuum and fuel line routing

Per instructions are given hooked vacuum hose coming from carb 4 to rear of the petcock. After that I got lost, my petcock has a rear port that I hooked vacuum hose to. The other port on petcock faces the rear of the bike what hose from the carb goes to it. The other port faces the font of the bike what hose from the carbs goes to it. I have three remaining hoses on the carbs where do they go. Need to advise ASAP!!! Thanks!

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  • Suzuki Master
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Hi, Anonymous for this scenario you will need your service, parts fiche, and owners manual if you can't find the 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 for viewing or printing please click on the blue links below. Good luck and have a wonderful day.
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Posted on Oct 04, 2017

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Posted on Jan 02, 2017

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  • 17 Answers

SOURCE: vacumm hose on far right carb not connected,cant find where it go

The vacuum line form your carb goes to your petcock.

Posted on May 18, 2009

  • 1 Answer

SOURCE: gas leak from carb drain hose

I had this same problem on my DRZ-110.
I took apart the carburator to clean everything out, but when i re-assembled it it started to leak gas out of the drain hose. Then i found out that the problem was that one of my gaskets were torn and were letting air in the drain which prevents it from being a vacuum, therefore causing gas to leak out.
I would first check the float & make sure it isnt stuck, then i would check all of the gaskets and make sure they arent torn, & replace the ones that are, even if theyre slightly damaged they can still let in air.
Your carb has to be 100% sealed & vacuumed to prevent any leaks & for it to work fine, so get those gaskets checked out

Posted on Jul 28, 2009

  • 850 Answers

SOURCE: i can not get gas to the carbs how many vacuum

petcock should only have [1] vac to inlet manifold & [1] fueling carbs & would be different diameters so you cant confuse them
Cheers Rob.

Posted on Jul 30, 2009

susho
  • 18 Answers

SOURCE: took hose off the petcock and turned the bike over but no gas

I would take the vacuum and main fuel lines off and just, pardon the expression, **** on it to see if the fuel will start to come out from the petcock outlet. Also check the position of the valve to make sure it is in the "on" or "res" and not "off". Duh. It happens.
If that doesn't get it then the petcock needs a rebuild. If the fuel line or vacuum line is clogged or the carb floats are stuck closed you will also get no fuel. Check it all out with patience and curiosity. It's an easy fix.

Posted on Jul 31, 2009

  • 35 Answers

SOURCE: pcv bypass and carburetor hook up

As far as the breather to the top of the engine goes, just pull off the hose and replace it with a small breather filter and you are good to go. Sorry, but can't help with your vaccum diagram.

Posted on Sep 18, 2009

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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

On my Zephy 750 I have 4 vacuum hoses coming out of the carbs. 1 hose linking 1&4 and 1 hose linking 2&3. The hose linking 2&3 connects to a T-piece which links back to the petcock, but is the...


Hi, thoose hoses are there to open de petcock when needed (when vacuum exists you need petrol)
it could be the other way around or even one pipe from 1 carb to the petcock it would work ok
all the best to you

Sep 13, 2011 | kawasaki Zephyr 750 Motorcycles

1 Answer

Working on a friends 81 yamaha 650xs. I removed and cleaned the carbs and put them back on but can t remember how the T hose from the petcock to the carbs hook up. Can someone help me


The petcock on these bikes is vacuum operated, which means that there are two hoses that go to it. The thicker hose is the fuel line and it runs from the thick port on the petcock to the fuel input on the carburetor rack. The fuel input on the carburetors is located between the number two and number three carburetor bodies. If you aren't sure which is the fuel connection, just turn the petcock switch to prime for a second and you will see gas come out of the fuel connection.

The thinner hose on the petcock is a vacuum line. It runs from the vacuum port on the #3 cylinder (between the carburetor body and the engine) up to the smaller connection on your petcock. When the engine is turning vacuum is applied to this thinner line and allows fuel to run from the tank into the carburetors.
joshorndorff.jpg

There are the only two lines that should run to your petcock, and the fuel line should not be split anywhere between the petcock and the carburetors.

Good Luck,
-Josh

Feb 24, 2011 | 1981 Yamaha XJ 650

1 Answer

What is the proper way to hook up (4 fuel line) the return and send fuel line hoses for a 1982 Yamaha -XZ-550 Vision Motorcycle.


The '82 1/4" fuel line goes from the petcock to the carb....(install an in-line fuel filter between them)...with a vacuum line going from the petcock to the vacuum off take, located on the front carb rubber manifold, (the smaller of the two brass tubes!!).
You should also go to www.ridersofvision.net A web site for Yamaha Vision owners...

Tiger.

Oct 01, 2010 | 1982 Yamaha XZ 550

1 Answer

How do i hook up my gas tank to my carbs? i dunno where the plug on the the spickets go to where they hook up on the carbs. is there a full diagram where it shows feul lines going from tank spickets to...


There should be 4 open ports on the carb 1 smaller ones towards the right carb to the front which is the vacuum hose that connects to the smaller connection on the petcock, then the 2 larger holes which are side by side 1 on each carb, they are the breathers, the fuel line goes to the one that is the highest connected by the fuel pipe which you can see going through it and then that connects to the larger hookup on the fuel petcock. The breather hoses just hang down but watch where you put them because they tend to **** in dirt if they are closer to the ground try facing them under the seat away from where dust could be although its pretty unavoidable.

Sep 17, 2010 | 1982 Suzuki Gs 550 L

1 Answer

My 2000 HD flstc is leaking gas from the petcock. How do I fix this?


Sounds like you've got a hole in the diaphragm that's inside the petcock. To fix it, you must first drain the tanks so you can take the petcock out of them.

With the petcock out, look on the backside of it. You'll see a plate with four small screws in it. Remove the screws and a diaphragm, a small spring, and a needle valve will be behind the plate. Hold the diaphragm up to the light and slight stretch it. If you find a hole, there's your problem. Replace the diaphragm.

Now, you're one of the luckier ones. Usually these vacuum operated petcocks simply quit allowing fuel to flow to the carb. They simply won't open and they leave you stranded with a full tank of fuel but none in the carb. I suggest the purchase of a high quality manually operated petcock such as a Pingle. If you choose to go this route, you must eliminate the vacuum hose and plug it up so that you don't have a vacuum leak at the carb. The vacuum line that comes off the back of the carb has a "Y" fitting in it. The main hose "Y"'s out to feed vacuum to the VOES and the petcock. Replace the entire hose with a single hose going from the carb to the VOES thereby eliminating the hose for the petcock.

Good Luck
Steve

Jun 16, 2010 | 2000 Harley Davidson FLSTC Heritage...

2 Answers

1980 gs 1000 fuel petcock has two connections where do they go?


On the one that has two hoses does it still have an "Off" position? Usually petcocks that have two hoses, one goes to the carb vacuum, and the other is for a fuel supply for the engine. That way it only allows fuel to flow when the engine is running. I have found these to be a poor design and can often leak and allow fuel to run into the engine if your carbs are acting up. If the replacement only has one hose, then it will work fine, just be sure to cap off the vacuum port on the carb.

Sep 24, 2009 | 1978 Suzuki GS 750 E

1 Answer

GSF 600 SV 97 fuel problem


If the bike will run with the choke on then you have a lean fuel/air mixture condition. Most common cause is a vacuum leak or faulty pitcock. Spray some carb cleaner around the carb mounts with engine at idle, if the rpms change there is your leak.
Your petcock should have two hoses attached to it. One hose is the main flow to the carbs. The other hose is/should be a vacuum hose that allows the gas to flow (when vacuum is applied). When your petcock is in the PRI position, this will bypass the vacuum hose. Leaving it in PRI when motor off could possibly flood the engine. Check to see if that vacuum hose is attached properly with no splits or cracks near both joints. If all is attached properly your problem is the petcock itself. It has a diaphragm and 'return' spring. Weak return spring, clogged petcock, damaged diaphragm can all cause your problem. Also, after you recleaned and inspected the carbs, were they synched... if not, this needs to be done.
Good luck...i hope this helps..please rate me a fixya.

Sep 19, 2009 | 1997 Suzuki GSF 600 N Bandit

1 Answer

Hoes parrtern for a 1995 suzuki katana gas tank.


there should be a vacuum hose coming from carb 4 that goes to the port on the rear of the petcock. as for the other 2 they are feed lines the 1 facing the rear of the bike goes to a hose between carb 1 and 2 and the 1 facing the front of the bike goes on the hose between carbs 3 and 4. the 2 remaining hoses on the carbs get criss crossed across the carbs and draped down thru the holders on the frame they are just overflow tubes incase you dump your bike. the other hose on the tank is a vent tube. hope this is helpful.

Jun 27, 2009 | 1995 Suzuki GSX 600 F (Katana)

2 Answers

I have two loose hoses coming off my petcock? where do they go


On your silverwing you have a "vacuum operated petcock" which means that the carbs draw a vacuum and allow the fuel to flow from the petcock. The front hose is the vacuum hose that should run to the center of the carbs. The second is a drain hose - it's advised that you do have a small hose connect here, so that dirt does not find its way into the petcock. This hose will simply run down past the swing arm to the ground. This would prevent any gas from dumping itself onto the engine if your petcock fails. If your bike runs without the vacuum hose attached, your petcock has failed and will need to be rebuilt.

May 09, 2009 | Honda Silverwing 400 Motorcycles

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