Question about Rinnai Toyostove Direct Vent Heater: Toyostove Laser 73 Shipping

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The fuel leaks out thruogh the overflow and pump. Laser 56 Toyost

The fuel leaks out thruogh the overflow and pump. fuel does not shut down when stove shuts down.

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  • waltpal57 Oct 27, 2009

    The solution to the problem was simple. Had to remove the water from the fuel that had accumulated and fouled the wick.



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One possibility is that the float is not working properly.

The unit need to be serviced,

Posted on Oct 27, 2009

  • Steve Anderson Oct 28, 2009

    The unit the question was stated to be about does not have a wick according to the service manual I have for it.

    I will look for more details about this.

    It is recomended to install a water removing filter in the fuel line to avoid having a water in fuel problem.



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I was riding my bike and came to a stop it shut down and started to leak gas out the air intake now it will not start. What do I need to check to fix this issue

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Why is my carburetor leaking fuel after I turn off my motor

It is most likely that your shut off valve is leaking (as fuel flow should be shut off with no vacuum applied to it). If the float level is okay, and it must be set very precisely at 0.413 - 0.453 inches with the carb tilted no more than 20 degrees and no less than 15 degrees, (if the float level is the problem such that the fuel supply would be too high in the float bowl and depending on how far out it is set ie how high the fuel is allowed to rise in the float bowl it would likely be leaking out the overflow and not the carburetor itself). As unlikely as it would be to have fuel flowing out the accelerator pump circuit and discharge port you would easily be able to identify such a leak by seeing it flow out of the accelerator pump discharge port in the front part of the carb throat. If the needle and seat are not sealing and fuel flow was available from the shut off valve as it should not be with no vacuum applied to it then it would not matter that the float level was set correctly because it would continue to flow past the needle ans seat when the float had risen to the proper shut off point. In this case it might leak out of the main discharge port before the level became high enough for it to leak out of the overflow or it might leak out both. It is doubtful that a defective enrichener would cause a leak because the fuel would have to rise to high to emerge from the enrichener discharge ports. It might leak out the off idle discharge ports but these are behind the venturi piston and the butterfly valve so you would have to raise the former and open the latter to see if fuel was emerging from these ports. I have not dealt much with H-D CV carbs but my understanding of them leads me to suggest the above. SO, a leaking carb with the engine shut off is most likely to be a result of a defective fuel tank valve so first remove the fuel hose from the shut off valve and see if there is fuel draining from the nipple at the valve or if you take it off at the carb if there is any fuel leaking out of the fuel line you removed from the carb.....There should be no fuel flow with the engine off and no vacuum. If there is no fuel flow here there should be no fuel flow from the carb unless the float level is out and the fuel level in the float bowl has risen too high before the fuel valve shut of fuel flow. Even so the fuel leak should not be continuous but only as much as there was fuel in the fuel line and carb downstream of the shut off valve. If the leak is continuous you know the valve is the first problem and then you also have a float level setting that is out allowing too much fuel into the float bowl and/or the needle and seat are not sealing and shutting off the flow when the float rises to the proper shut off height. Or, you could have a gasket leak at the float bowl. If there is no fuel flow from the fuel shut off valve and the float level is correct there likewise should be no flow from the accelerator pump (or any other circuit) because the fuel level would never be high enough to flow out the discharge the accelerator discharge or other ports. Remember that the accelerator pump check valve only operates when the fuel is being forced out of the accelerator pump circuit ie the valve does not stop or control fuel flow into the accelerator pump diaphragm area, it only stops flow back to the float bowl area when fuel is being pressurized to force fuel up and out the discharge port. I hope this helps somewhat in diagnosing your leak.

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Can a rear in collission cause a car to shut down

Yes it can. There is a fuel pump shut down switch that interrupts the power to the fuel pump. When you are hit in a crash, it shuts down the gas to avoid a fire if there is a leak.

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I have a toyostove Laser 73. i have fuel leaking from the reset knob and rubber grommet on the fuel sump. is there a rebuild kit for the fuel sump available?

It looks like the posted answers do not address your issue. If fuel is leaking at your sump and vent, shut the small fuel valve inside the stove off (reverse threads )and and drain your fuel sump. Once drained, open the fuel valve and if it floods again, you have a bad float. If not, the red "reset" button was either pushed down multiple times or held down. This causes a flooding problem. That should cure your problems.

Sep 19, 2012 | Rinnai Toyostove Direct Vent Heater:...

1 Answer


The brown substance in the radiator and overflow indicates 2 things:

1. Rust in the coolant indicating the system needs to be flushed

2. Stuck thermostat making the rust back up into the overflow

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1 Answer

2001 yahama v-star 650, went to start today and fuel is pouring out from the carb overflow, seems like the fuel pump wont shut off or maybe floats stuck??

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Is there a fuel shut off on 2001 ford escape? car was rolled over.

The fuel pump shut-off switch is located in the front passenger's foot well, behind the kick panel. The reset button for the fuel pump shut-off switch is accessible through an opening in the kick panel.


Use the following procedure to reset the fuel pump shut-off switch.
1. Turn the ignition to the OFF position.
2. Check the fuel system for leaks.
3. If no fuel leak is apparent, reset the fuel pump shut-off switch by pushing in, i.e. down on the reset button.
4. Turn the ignition to the ON position. Pause for a few seconds and return the key to the OFF position.
5. Make a further check for leaks in the fuel system.

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Fuel leaking from air box after shutting down

Thats the float valve seals not shutting off, did you clean them & set the float heights?
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Ride Safe

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Toyo Laser 56 EE2 message--no flame? valves open and clean filter

You might of got type 2 fuel oil. If it is a smaller tank sometimes the fueler doesn't clear the line before filling and you'll slug down some type2 which will snuff the flame.
Check to see if the filler kinked a line outside while filling.
Just an Idea...

Oct 07, 2009 | Rinnai Toyostove Direct Vent Heater: Laser...

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