Question about 1998 kawasaki KDX 200

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Float set up KDX 200

Should floats be set to close at parallel without spring compression? float setting please! keihan flat slider carb

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davesoucy
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SOURCE: I NEED TO KNOW HOW TO SET THE FLOAT ON 1995 KDX

It gotta close the valve when the bowl is full. You can test by replacing the bowl in place and connecting the gas, if it does not overflow its good, it gotta let the gas enter the bowl till full and it will be correct. Its not a precision settings, just try and see...

Posted on Sep 27, 2009

  • 468 Answers

SOURCE: Float spring on tecumseh Carb.

Ok, that pin is the needle valve. It should move freely, and the spring should attach it to the float. When the carburetor bowl is full, the float pushes that pin up to shut off the gas flowing into it. Otherwise, it would continue to dump fuel into it until it overflows, and you would have gas all over. The engine draws gas through the jet in the bottom of sump that you see sticking into the bottom of the bowl(this likes to get plugged up and keep your engine from running) The spring just kind of sits in there so that if the float moves, it will pull down the pin as it moves.

Posted on Feb 01, 2010

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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

2 Answers

The bike wont start up. it has a spark and has good compresion. what could it be.


It could be timing or fuel.Your next move is to make sure your getting gas.try to start bike with throttle wide open.Stop and remove spark plug,is it wet,if yes your getting fuel.If dry your not.If dry your next move is to remove fuel line from carb,while removed turn on gas valve and see if gas flows.if this is good then there is no problem with a tank or fuel valve blockage.Now you must remove carb and diassemble(carefully)as not to loose springs and float valve assembly.remove float bowl screws on bottom of carband slowly drop bowl down away from carb base.check for dirt in bowl.make sure floats move freely.what I am getting at here is if floats are stuck in up position this keeps gas from getting to motor.If you want to disassemble floats to get to needle valve you need to carefully remove pin holding floats in place lower floats paying attention to needle thats attached to float base.there is a spring or clip that holds this in place so take a close look before you take apart,because it must go back togather the same exact way it came apart all you need is a grain of sand inside needle valve for the float to stick and no fuel will get through.The reason i am telling you all this is because this is a common problem when bikes sit over winter and get sediment in bottom of gas tank.Good luck and let me know how you make out....Brian

May 09, 2011 | 1998 kawasaki KDX 200

1 Answer

INSERTED CARB REPAIR KIT TO STOP GAS LEAKAGE ON 96 H/D HERITAGE SOFTAIL. GAS NOW ONLY LEAKS IF TILTED TO CARB SIDE WHILE ENGINE IS OFF. DO I NEED TO REPLACE THE FLOAT? OR DO I NEED A NEW CARB?


You will need to readjust the float level. I assume you replaced the needle/seat with the kit. This works like a valve to ensure there is sufficient fuel in the carb to operate the engine but when set too low the float will not close before the overflow level is reached.
Correct float level is measured between the bottom of the float and the flange mating surface of the carb with the float resting against but not compressing the pin return spring of the needle(valve) at 0.413in to 0.453 in (10.5mm to 11.5mm)

Apr 29, 2011 | Harley Davidson FLSTC Heritage Softail...

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

2 Answers

Hi ya got a old ish tiller in for repair, it is a ISEKI AC40 problem is hard to start & when it starts it will only run for about 10 seconds, so far checked plug which has a good spark, compression ok,...


From your description we will assume it is flooding. If you suspect float problem, check float level, holding the carb upside down the float should be parallel to carb body when needle seat is closed. On metal floats this is accomplished by bending the tab that rides on the needle, units with plastic floats you may have to replace it. Also remove float and shake it, should not be any gas in the float, this will make it flood. Also set carb adjustment screw at 1.5 turns out, may need a little tweek from there.

Oct 05, 2010 | Garden

1 Answer

Just cleaned carb for 99 grizzly 600 and it runs for a min or so and then dies same problem happened before i cleaned the carb


Check for a steady supply of fuel to the carb. Could be a blocked or pinched fuel line. Very possible that the float needle and seat are worn, causing the valve to remain closed or partially closed. When this happens the fuel bowl runs out of fuel causing the engine to die. Then fuel trickles back in while sitting and slowly fills the bowl again, allowing the engine to restart. Also be sure that the float level is set properly and that the float pivots freely. Most small engine carb floats are set to shut off the fuel when the float rises in the bowl to where the flat surface on the float is parallel to the bowl mounting surface. If the float is set close to this, don't try to adjust it. If your float needle has viton (rubber like) tip, be sure that it is not deformed. Never press on the needle because it will deform the tip, causing the valve to stick open or closed. Many times you can buy just the float needle and seat either OEM or aftermarket.

Feb 03, 2010 | 2004 Yamaha TT 600 RE

1 Answer

Its not a problem, I need to know if there is another way to set/measure the float hights without the need of the speacial Kawasaki tool for doing so? I understand the hieght should be set at around 15mm...


Here is the fallback method that has always worked for me: have the float arms (that part of the float which attaches the floats to the hinge) parallel to the float bowl gasket surface just as the float valve contacts the float - without depressing the spring loaded tip on the valve. Frankly, I have used float gauge maybe once in my life - this method is much faster and easier.

Jan 06, 2010 | 1990 kawasaki ZZR 1100

2 Answers

Carburettor float level setting


Usually if the float is adjustable you will set it so if there is a flat surface on top or side of the float it will be parallel with the bottom surface of the carb body when the needle valve just closes (before depressing the spring in the needle)
Jordan

Oct 03, 2009 | 1982 Honda VF 750 S

1 Answer

I NEED TO KNOW HOW TO SET THE FLOAT ON 1995 KDX


It gotta close the valve when the bowl is full. You can test by replacing the bowl in place and connecting the gas, if it does not overflow its good, it gotta let the gas enter the bowl till full and it will be correct. Its not a precision settings, just try and see...

Sep 27, 2009 | 1998 kawasaki KDX 200

2 Answers

KDX200 carb float set up. Hi I have gas coming


If you have gas coming out of the overflow tube, you need to make sure the float valve is shutting the gas off properly. The float height would have to be awfully high to cause gas to come out the overflow. You might be able to do it on the bike but it's a lot easier to do off the bike. Pull out the float valve and inspect the tip. Make sure it is smooth with no evident nicks or deep grooves.

Apr 18, 2009 | 1998 kawasaki KDX 200

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