Question about 2000 Yamaha YZF-R6

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Too much fuel from breather hose

I have an 09 r6, i understand that the fuel breather hose is to let off the expanding air in the tank, but i have a huge puddle everytime i leave it oustside. i know its normal, but its everyday, and a big puddle. i do live in a desert btw. please let me know.

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Are you sure it is not from the carb's overflow pipe?If any of the floaters inside is not cutting the gas it will overflow eventually.The floaters push a pin against a hole from where the gas comes through.Maybe one of those pins has damaged rubber nose and need to be replaced.You should also check the pipes from the tank to the pump if any of them is damaged.

Posted on Jun 28, 2009


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Posted on Jan 02, 2017


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2 Answers

95 sl500 fuel tank holds a lot of pressure,idles rough when stopped at idle speed Where is the fuel tank breather hose?

There is no breather hose for the fuel tank, the system is designed as a sealed system to prevent gas fumes from polluting the air it is called the "Evaporative emissions control system", and yes some systems can have alot of pressure in the tank esp on hot days or after a long drive.

Nov 03, 2016 | Cars & Trucks

1 Answer

Wont take gas

General advice:I understand as a no fuel condition
1Immo condition,bad key,chip,antenna ring ignition barell
2Fuel pump related:bad fuse/relay,pump malfunction,cloged filter.
3Fuel lines cloged/fuel breather/tank cap cloged (vacuuming the tank,must open to get air,then clean the breathers/cap)
3Dumb guess:no gas in the tank(!?)
Cheers,hope u deal it,share the solution.

Oct 27, 2013 | 2006 Pontiac Solstice

1 Answer

Evap system

The FSM is clear on this. each hose and fitting must be air tight.
or the the car vents gas fumes full time, and the EVAP ECU tests
(monitor) make sure this all works.
you can just look at the left and right side above rear tires. and see
if your hands are small enough to fit here. Id bet not.
some mech, report, the tank can be tilted down at front (drained fuel)
and gain access.
keep in mind, you get fuel siphoning at any time. do not open the system, with fuel in the tank, and then drive to autozone,
i loosen the gas cap so that pressure can not build in tank.
expanding fuel can push fuel out , during a filter change. very
dangerous in a garage, and you gone.
it's just a vent hose, you can see, it and what needs to be done is really obvious. given you arms sides and lenght.
my fsm states, " TANK pull"

Removal & Installation

  1. Relieve the fuel system pressure and disconnect the negative battery cable.
  2. Remove the fuel filler cap from the fuel tank.
  3. Have a Class B fire extinguisher near the work area. Use a hand operated pump device to drain as much fuel through the fuel filler neck as possible.
  4. Use a siphon to remove the remainder of the fuel in the tank by connecting the siphon to the fuel pump outlet fitting.
    CAUTION Never drain or store fuel in an open container because there is the possibility of a fire or an explosion.
  5. Reinstall the fuel filler cap.
  6. Remove the rear seat cushion from vehicle (if so equipped).
  7. Disconnect the fuel pump motor connector and sending unit electrical connectors.
  8. Disconnect the wire harness grommet and harness through the vehicle floor pan.
  9. Raise and safely support the vehicle.
  10. Remove the fuel filler hose clamp from the filler neck assembly.
  11. Remove the fuel breather hose clamp from the filler neck assembly.
  12. Remove the fuel filter inlet hose clamp and hose from the filter.
    NOTE A small amount of fuel may be released after the fuel hose is disconnected. In order to reduce the chance of personal injury, cover the fitting to be disconnected with a shop towel.
  13. Remove the fuel vapor clamp and hose, and fuel return hose clamps and hose from the respective fuel lines.
  14. Using a suitable transaxle jack, support the fuel tank.
  15. Remove the fuel tank retaining bolts and lower the tank.
To install:
  1. Reconnect all fuel hoses, lines and the fuel breather hose to the fuel tank.
  2. Place the fuel tank in its proper space using the transaxle jack, Install the fuel tank retaining bolts.
  3. Remove the transaxle jack.
  4. Reconnect all fuel hoses, lines and the fuel breather hose to the fuel tank.
  5. Install the fuel breather hose and hose clamp to the filler neck assembly.
  6. Install the fuel vapor hose and hose clamps. Install the fuel return hose and hose clamp to the respective fuel lines.
  7. Install the fuel filter inlet hose and hose clamp to the filter.
  8. Lower the vehicle. Install the wire harness and grommet through the vehicle floor pan.
  9. Connect the fuel pump motor and the sending unit connectors.
  10. Install the rear seat cushion. Reconnect the negative battery cable.

Mar 26, 2013 | 2002 Suzuki Esteem

1 Answer

Is there a little nipple that looks like a mini in line gas filter that goes inside of gas tank where gas line goes into tank on one side and into carb on other and what is the part #

There is possibly three hoses in the tank dependant on wheather the machine has a primmer bulb, there is a main fuel hose with the filter on the end, a return hose from the primer bulb, and possibly a breather tube, the return hose may just have a plastic nipple on the end to stop the hose pulling out, the breather if in the tank will have a devise to stop the fuel leaking out, but allow air in to stop a vacume being created in the tank.

Aug 24, 2011 | Poulan Pro 42CC 2 Cycle Chainsaw, 18"

1 Answer

How to hook back up the breather hoses after cleaning the carbs need a diagram if available

Hi, Nate_r6 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 Yamaha, despair not, for a mere $0 you can download another one. For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
How to Crank Case Breather Modification
YZF R6 breather hose routing Google Search
1999 2002 Yamaha YZF R6 Service Manual R6 Moto Data Project
OEM parts for Yamaha

May 04, 2011 | 2000 Yamaha YZF-R6

1 Answer

I need a diagram to replace a fuel tank on a 1987 vw cabriolet

1987 Volkswagen Cabriolet 1.8L FI SOHC 4cyl

1985-89 Scirocco and Cabriolet
  1. Disconnect the negative battery cable and drain the fuel tank.
  2. Remove the rear right wheel housing cover.
  3. Disconnect the large breather hose from the filler neck.
  4. Pull the gravity valve down leaving the hoses connected.
  5. Unbolt the fuel pump bracket from the body and lower the pump.
  6. Remove the fuel tank screw.
  7. Disconnect the fuel pump hose and pull the blue hose from the return line.
  8. Disconnect the brake hoses from both sides of the rear axle and plug them.
  9. Disconnect the rear axle from both sides of the body and allow it to swing down and rest on the handbrake cable guides.
  10. Unhook the rear muffler support lugs.
  11. Disconnect the filler hose from the tank.
  12. Support the tank, remove the tank fasteners and lower the tank enough to disconnect the fuel gauge sending unit wires and breather hoses.
  13. Remove the fuel tank.

To install:
If installing a new or used tank, make note of where the old foam strips were installed, and install new foam strips on the replacement tank in the same locations.
  1. Raise and support tank. Connect the small breather hoses and fuel gauge sending unit wires. Install the tank fasteners.

When connecting the breather hoses, position the hose clips so that they do not make contact with the body.
  1. Connect the filler hose to the tank and connect the rear muffler support lugs.
  2. Raise the rear axle off the handbrake cable guides and install.
  3. Connect the brake hoses and bleed the brakes.
  4. Connect the return line and fuel pump hose.
  5. Install the fuel tank screw.
  6. Raise the fuel pump and attach the fuel pump bracket to the body.
  7. Put the gravity valve back into its original (raised) position.
  8. Connect the large breather hose to the filler neck.

When connecting the breather hose, position the hose clip so that it does not make contact with the body.
  1. Install the right rear wheel housing cover.
  2. Fill the tank and connect the negative battery cable.


Fig. 1: Fuel tank assembly used on the Rabbit Pick-up. Other models are similar

Hope helps (remember to rate and comment this).

Sep 21, 2010 | Volkswagen Cabriolet Cars & Trucks

1 Answer

96 Ninja zx6r Fuel Tank breather hose leaking gas

It sounds like that hose which runs fron the cap area (inside) the fuel tank to the back bottom is broke, if you take it to a Kawasaki dealer and have your dealer call Kawasaki there is a good chance it will get covered as long as the tank is damaged. Those hoses (metal) that run inside the fuel tak sometimes crack, there is really not way of fixing them unless you cut the tank open and then you would need to reweld it.

Apr 26, 2010 | 2000 kawasaki ZX-6R Ninja

1 Answer

Loose tube thats come out from somewhere under the tank and don't know where it goes.

Hi and welcome to FixYa,

Offhand, 2 possibilities are:
  • air vent for expanding air inside the tank or the other way around, breather to prevent vacuum condition when fuel is draining/consumed from the tank;
  • overflow from the filler lip.
Good luck and thank you for asking FixYa. Happy Holidays.

Dec 16, 2009 | Hyosung GT 250 Motorcycles

1 Answer

Removing tank

Disconnect battery ground cable. Loosen fuel filler cap. Support underneath of the fuel tank protector Disconnect evaporative fuel hose at the canister. Disconnect fuel feed hose and fuel return hose near the fuel filter. Plug both ends of the fuel hoses to prevent fuel leakage. Disconnect air breather hose and fuel filler hose at the fuel filler neck. Cover fuel hose to prevent any dust entering. Remove the four fuel tank assembly fixing bolts at four corners of the tank. Let down the tank and disconnect the wiring connectors Remove fuel tank assembly along with protectors Remove retaining cover and roll over & float valve along with the evaporative fuel hose and pipe Remove fuel pump and sender assembly by removing the snap ring with the fuel hoses Remove protectors by removing the six fixing bolts

Jun 12, 2009 | 1999 Isuzu Rodeo

1 Answer

Fuel tank problem

Hi and welcome to FixYa,

May I offer a differing view? There is negative pressure developing inside the fuel tank. The "whoosh" sound is air rushing in to the tank. The vacuum is created when fuel is drawn from the tank and is not replaced immediately by air. This would also explain why "it cuts out". The vacuum has increased to a point that fuel would no longer be drawn from the tank and the bike's carbs starves of fuel. There are other hoses attached to the tank as you have described. One of them is for the vacuum relief, simply stated it is the air breather. It may be that the hoses are clear but the spigot (the metal tube the hoses attached to) are blocked. One way to check is to remove the hose, insert a flexible wire and worm it inside the spigot.

Check and perform preliminary visual or necessary inspection. Pls post back result(s). Good luck and Thank you for using FixYa.

Jan 16, 2009 | 2000 Yamaha YZF-R6

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