? s about vac and fuel lines 95 zx6r - ZX6R Forum
 
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post #1 of 15 Old 02-17-2009, 07:00 AM Thread Starter
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? s about vac and fuel lines 95 zx6r

Hi, new here and new to Kaw. But not to bikes.

A little background. bought a 95 zx6r with 36K, the bike is ratty, every panel on it is cracked, and it would seem it has had zero routine maintanece done. but it is a project, and it was cheap. A number of vacuum lines are missing, or capped off on the bike.
Bike will not start, I had to push start it to test drive it. runs pretty good, but coughs and sputters a bit a higher rpm.

So a carb cleaning is the first item on my list, I've done a number of these before on my older Yamaha 4 cly bikes.

My problem is I don't know where all these lines go to. I have downloaded the Haynes manual for the bike but it leaves a lot of stuff out.

On the vacuum valve forward of the carbs the large vac line from the rear of the airbox is connected to the 3/8 nipple that points up, and the small vac line on the bottom is connected...but there is a 3/8 nipple pointing down on the vacuum valve that has no hose attatched....no hose in the area that looks like it goes there ?

What goes on the down facing nipple ? can I just remove the entire valve and cap the the hoses that go to it ? ?


Next is the fuel tank, there are 3 nipples on the tank, one 3/8 for normal fuel flow to the fuel valve, and one 3/8 for the res pick-up going to the fuel valve. the 3rd small nipple in the rear RH corner of the tank has a 1/4 hose on it , but it is just hanging down and folded over and capped. Where is this small hose supposed to go ? ? ?

Looking at the diagram on page 4-17 in the Haynes manual I see I'm missing the charcoal canister, but I don't know if that applies to this bike as I don't know if it is a CA model..I know it used to be in CA however. I ther a way to know if it is a CA bike for sure ? ? VIN # or engine number perhaps ? ?

The Haynes manual tells you to be sure and remove the ground wire from the rear of the airbox when you pull the airbox....my airbox has no ground connector on it, should it ? do I need to add a ground wire ??


Any help at all would be appriciated. Thank you.
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post #2 of 15 Old 02-17-2009, 09:54 AM Thread Starter
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post #3 of 15 Old 02-17-2009, 03:13 PM
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On my bike the hose coming out of the top of the airbox connects to the upwards one. And the downwards one has nothing connected to it on my bike. Dunno if thats wrong or not but my bike seems to run fine like that. Also there is a hose coming out of the fourth cylinder that is plugged, I am also thinking thats fine.
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post #4 of 15 Old 02-17-2009, 06:06 PM Thread Starter
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thanks for the input. mine has the rear facing bippel connected to the airbox, and the small one is connected, I may just leave the downward facing one as it is with no hose connected.
Bike runs OK, but is very hard to start.

where does the rear most small hose from the gas tank go on yours ? ?
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post #5 of 15 Old 02-17-2009, 06:09 PM
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lol that tiny hose is for condensation i beleive. Just route it out the side of ur bike so it pours on the ground. You are talking about the stiff tiny hose?

My bike starts right up, but thats cuz the carbs are spic and span. But she really doesnt like the cold. In the cold it takes a couple longer cranks and she starts...
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post #6 of 15 Old 02-17-2009, 06:28 PM Thread Starter
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Well on mine the small hose on the tank, if I uncap it gas rums right out...a steady stream. ? ?

mine is a 95 zx6r if it makes a diff.
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post #7 of 15 Old 02-17-2009, 06:33 PM
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hmmm that doesnt sound right.

You should have 3 hoses coming out the bottom of ur tank.

1 for Reserve, 1 for ON and the last one should be a little skinny stiff one which I thought was for condensation but maybe its an overflow line or something?

Mine is the same model year as yours by the way.
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post #8 of 15 Old 02-17-2009, 06:36 PM
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hmmm that doesnt sound right.

You should have 3 hoses coming out the bottom of ur tank.

1 for Reserve, 1 for ON and the last one should be a little skinny stiff one which I thought was for condensation but maybe its an overflow line or something?

overflow line and "condensation" line , i doubt they would be coming out of the bottom of any tanks

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post #9 of 15 Old 02-17-2009, 06:37 PM
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overflow line and "condensation" line , i doubt they would be coming out of the bottom of any tanks
Any idea what it is then? Cuz nothing comes out of mine. And I don't see why it wouldnt be at the bottom.
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post #10 of 15 Old 02-17-2009, 06:41 PM
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Any idea what it is then? Cuz nothing comes out of mine. And I don't see why it wouldnt be at the bottom.
maybe you have rust blocking the hole but an overflow line is so if u put too much gas in it will come out of the overflow and not everywhere else and ive never heard of a condensation line , my08 only has one line coming out of the bootom and that goes straight to the engine

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post #11 of 15 Old 02-17-2009, 06:54 PM Thread Starter
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When I had the tank off the bike to take the pics in the 2nd post I had it standing up on end.... and gas came out the small hose that I'm holding in the pic.

I did not uncap the hose with the tank on the bike. Maybe it is a overflow of somekind, but cause I had the tank standing on it's end the fuel level was such that it came out the overflow....if that is what the small hose is.

I will uncap the hose with the tank on and see if I get gas out the hose.
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post #12 of 15 Old 02-17-2009, 07:16 PM Thread Starter
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Well I just uncapped the small fuel hose that connects to the small nipple on the RH [when sitting on the bike] rear of the tank.

I put a drain pan under the hose and it ran a steady stream of gas out, drained out about a qt. so I'm sure its not just what was in the hose.

I'm at a loss as to where it is supposed to go.
The fuel valve has 3 nipples on it..fuel in, reserve line in, and 1 out to the fuel pump. that's all there is and they are all connected.
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post #13 of 15 Old 04-07-2011, 03:07 PM
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Oh gee my search fu is weak, I just started another thread about this, I have the same exact problem as you except there is also a tiny opening on the vacuum valve near the hose that connects to the carbs, aside from that all those openings are baffling me, someone just told me is because is a Cali model.
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post #14 of 15 Old 04-07-2011, 05:09 PM
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overflow line and "condensation" line , i doubt they would be coming out of the bottom of any tanks
the overflow should be conected to a solid metal pipe inside the tank that goes to the top near the filler hole from memory then it just hangs under the bike ( or mine does atleast)
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post #15 of 15 Old 04-07-2011, 05:57 PM
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I think I figured it out, wouldn't that line under your tank connect to some kind of sensor to tell you how full or empty it is? I would love it is someone could prove or disprove this theory.
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