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2009 yamaha xt250 float level. What is the float level measurement per specifications or dimension from carb body to bottom of float

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  • Greg with fixya pointed me in the right direction and helped me obtain the information. The answer is set float at .470"

Posted on May 18, 2017

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What height is the float setting on a 2009 XT250 Yamaha the dimension or measurement from carb body to bottom of the float?


Hi, Ed 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 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.
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How to adjust carb float level ?


Carbs off and upside down measure the distance between the top of the float and the part of the carb where the float bowl gasket goes ,with the gasket off.there will be measurement in the manual and it will be plus or minus a millimetre.you adjust it by bending the metal tag that pushes on the float needle that's joined to the float , unless it's made of plastic then it can't be adjusted.

Mar 18, 2015 | 2004 Yamaha YZF 600R

1 Answer

I would like to know the float level for a 1983 yamaha xt 250


Hi, Anonymous 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 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 links below. Good luck and have a nice day.
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How to set up 1982 yamaha xt 250 carb


Hi, Itsnelly4u 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 $10 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.
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1 Answer

2004 crf450r dumps gas out of carb when gas is turned on


your float settings inside your carb are set wrong read my advice to resetting them and you should be ok
You'll need to first start off by removing your carb. Be sure to clean the surrounding area to the best of your ability to avoid dirt and debris falling into your carb; or worse, your engine. After you've removed your carb I would suggest a thorough cleaning using carb cleaner (or equivalent) and compressed air to ensure that all jets and passageways are spotless. Avoid using wire or other tools to clean orifices of jets; it's all too easy to alter their original designed dimensions.

After your carb is clean you can now set your float level. The picture below will allow you to become familiar with the parts that are responsible for maintaining the correct float level in your carb. There are four basic parts, the floats themselves (part of the float assembly), the float assembly tang, the fuel inlet needle valve, and the fuel inlet valve seat.

floatlevel1.jpg
(Float assembly pivot pin not shown.)


It is always a good idea to remove the float assembly pivot pin (already shown removed) and extract the float assembly and the fuel inlet needle. The fuel inlet needle is a wearable part and over time can deteriorate. A worn fuel inlet needle can contribute to an irregular float level. Most fuel inlet needles consist of an internal spring loaded bumper (which contacts the float assembly tang) and a plastic or Viton (rubber) tip. Inspect the fuel inlet needle tip for wear and/or damage. To give you an idea, Eric Gorr recommends replacing the fuel inlet needle/seat assembly every two years. I've found that the average cost is around $15 for both parts.

floatlevel2.jpg
(Fuel inlet needle shown with Viton (rubber) tip. The Viton is used to isolate the fuel inlet needle from vibration and to create a better seal against the fuel inlet valve seat.)

Now that you've made sure you aren't going to have any issues from worn parts you can reinstall your needle, float assembly and float assembly pivot pin and continue on to set your float level. The float level measurement is taken from the top of the floats (when the carb is positioned upside down) to the gasket surface of the float bowl as illustrated in the next picture. You can use an open-end wrench (sized per your spec), a small metric ruler, or a float level gauge. The tolerance for your float level is usually around +/- 0.50mm.

floatlevel3.jpg


When setting the float level be aware that the spring loaded bumper on the fuel inlet needle valve may have a tendency to compress under the weight of the float assembly which will skew your measurement. Before you obtain your measurement you'll need to make sure that the float assembly tang just barely makes contact with the spring-loaded bumper. Sometimes it is easier to hold the carb body at a 45-degree angle to avoid compressing the spring in the fuel inlet needle.

floatlevel4.jpg


If you find that your measurement does not match your float level spec then you can carefully bend the float assembly tang to achieve your desired measurement. Be sure to recheck your work, and if you feel confident that your float level is spot on then you can reinstall your carb and get back to riding.

Jun 20, 2011 | 2004 Honda CRF 450 R

1 Answer

Settings for carb float level and air setting


the air screw gets turn in fully and the turned out 2 turns this will set it right for most bikes you might have to play with it either half a turn either way

floatlevel3.jpg


When setting the float level be aware that the spring loaded bumper on the fuel inlet needle valve may have a tendency to compress under the weight of the float assembly which will skew your measurement. Before you obtain your measurement you'll need to make sure that the float assembly tang just barely makes contact with the spring-loaded bumper. Sometimes it is easier to hold the carb body at a 45-degree angle to avoid compressing the spring in the fuel inlet needle.

floatlevel4.jpg


If you find that your measurement does not match your float level spec then you can carefully bend the float assembly tang to achieve your desired measurement. Be sure to recheck your work, and if you feel confident that your float level is spot on then you can reinstall your carb

hope this helps

john

Apr 29, 2011 | Honda VT 600 C Shadow Motorcycles

1 Answer

2000 marauder leaks gas out of overflow tube on the carberater only when starting or running


the floats in the bottom of the carb need adjusting the are to low

floatlevel3.jpg


When setting the float level be aware that the spring loaded bumper on the fuel inlet needle valve may have a tendency to compress under the weight of the float assembly which will skew your measurement. Before you obtain your measurement you'll need to make sure that the float assembly tang just barely makes contact with the spring-loaded bumper. Sometimes it is easier to hold the carb body at a 45-degree angle to avoid compressing the spring in the fuel inlet needle.

floatlevel4.jpg


If you find that your measurement does not match your float level spec then you can carefully bend the float assembly tang to achieve your desired measurement. Be sure to recheck your work, and if you feel confident that your float level is spot on then you can reinstall your carb and get back to riding.

Apr 21, 2011 | 2000 Suzuki VZ 800 Marauder

1 Answer

1980 Yamaha xt250 won't idle without the choke being on


Hi, Earthquakeau and the usual suspects are:
1. Fuel cap or fuel tank is not venting properly.
2. Fuel filter clogged.
3. Fuel line pinched or kinked.
4. Vacuum line from the petcock to intake manifold cracked.
5. Float needle and seat sticking.
6. Float level too low.
7. Carburetor bowl vent line clogged/blocked/pinched.
8. Idle adjusting screw set too low.
9. Air/fuel mixture screw set too lean.
10. Idle port, transfer ports, slow air jet clogged.
11. Slow fuel jet clogged.
12. Faulty fuel pump.
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.
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The leaking carbuerettor needs to have its float level set.
Remove the air filter assembly, the fuel pipes and cables.
Remove the carbs and turn them upside down. Remove the float bowl on one carb. This will expose the float. Pull out the pin holding the float in place. (Note the position of the spring that holds the valve to the float.)
Remove the float and valve(looks like a very small pencil)
Inspect the valve tip for damage(unevenness) and replace if nescesary.
Reassemble the carb. Do not fit the floatbowl yet.
Measure float level by turning the carb on its side to have the float "dangling" Tilt it slightly so that the float rests on the valve. Measure the distance between the bowl mating surface and the bottom of the float(See diagram). The distance should be 24mm. If it is not correct, bend the tab at the valve to allow for a larger or smaller distance. Fit the float bowl and repeat for the second carb.


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