Question about 2004 Yamaha YZ 250

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How do you unstick the stuck float in the 1994 yz 250 carb bowl

Posted by Anonymous on

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  • Yamaha Master
  • 43,050 Answers

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 $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.
2001 YZ 250 sticking float Yamaha 2 Stroke
Fix Leaking carburetor with stuck Float on Youth ATV Q9 PowerSports USA
YAMAHA YZ250 LC Owner Service Manual
OEM parts for Yamaha
http://mybikemanuals.com/yamaha/yamaha-yz-owners-manuals

Posted on Jul 26, 2016

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  • 2 Answers

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Posted on Jan 02, 2017

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SOURCE: 1994 yz 250 bogs down

Have you cleaned the carburator ? It seems the main jet has some kind of obstruction.
Try cleaning the carburator and well a tune up would be fine too after the clean , check the plug/s & air filter too.

Posted on May 10, 2009

digritz
  • 530 Answers

SOURCE: Gas coming out yz 125 airway next to float bowl

By spraying it you may have inadvertently blown dirt or grime even further into the carb. It doesn't take much to cause the float to stick open. This would result in a constant flow of fuel into the bowl. Once filled it will escape via the overflow.
The best way to clean the carb is to remove it from the motor, disassemble it and clean it using a small brush. If you have never done this before just take you time and make sure you have a clean work space to do this in. There are really very few parts to this type of carburetor and once you have done it a couple time you can take it apart clean it and have it back on in under an hour.
Hope this helps.

Posted on Sep 03, 2009

  • 3567 Answers

SOURCE: need setting for carb. adjuster on bottom of carb

Turn the adjusting screw all the way in until it LIGHTLY seats. Now back it out one and one half turns. Do the same adjustment for the throttle screw on the right side of the carb. You are now back to the stock factory settings.

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Posted on Sep 20, 2009

  • 921 Answers

SOURCE: how to unstick float in carb

try Seafoam from Auto zone 1/3 can to two gallon gas.

Posted on Apr 06, 2010

  • 21 Answers

SOURCE: What is the fuel level above or below the line on

when viewing carb from side you should have a line on bowl and the line of carb body inbetween those lines

Posted on Jul 20, 2010

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1 Answer

My 2004 yz 250F started leaking out of the overflow tube wouldn't stop leaking running or not


Hi, Anonymous and the usual suspects are:
1. Damaged or restricted fuel tank venting system.
2. Loose float bowl screws.
3. Damaged float bowl o-ring.
4. improper fuel level in the float bowl.
5. Worn or dirty inlet valve or seat.
6. Damaged or leaking float assembly.
7. Particle contamination in inlet fitting cavity.
For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have nice a day.
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Jan 30, 2014 | 2004 Yamaha YZ 250 F

1 Answer

Problems with stalling at low speeds and not idling well


Hi, Jonathan and the usual suspects are:
1. Idle circuit and transfer ports clogged.
2. Air fuel mixture adjustment too lean.
3. Pilot jet clogged.
4. Faulty accelerator pump.
5. Float level too low.
6. Float bowl contaminated old fuel, water, dirt, rust, etc.
7. Float bowl vent or overflow tube clogged.
8. Fuel flow to carburetor restricted.
9. Intake manifold leak.
10. The gas cap is not venting properly or fuel tank venting system blocked.
11. Vacuum line from intake manifold to petcock broken, cracked, or not attached, carburetor vent line plugged.
12. Needle and seat stuck closed in the float bowl.
For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have nice a day.
http://mybikemanuals.com/yamaha/yamaha-yz-owners-manuals
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2001 2013 Yamaha YZ 250 Service Manual YZ250 Moto Data Project
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Jan 02, 2012 | 2005 Yamaha yZ 250 F

1 Answer

How to unstick the float in yz 250


Try tapping the carb with the wooden or plastic handle of a small hammer, or screwdriver, otherwise, you need to remove the bottom bowl, and then the float pin, to get the float out. (The needle is usually where the dirt gets, between the needle and seat.)

Apr 08, 2011 | 2003 Yamaha YZ 250

1 Answer

Every time i lean the bike over 1980 yz 250 gas just pours out the overflow and it wont start. What is wrong?


The float in the carb is stuck open. Remove the float bowl, dump out the gas and trash in it then spray the float needle area while gently lifting then dropping the float. The needle should free up. Put the bowl back in place.

Mar 20, 2011 | 2003 Yamaha YZ 250 F

1 Answer

When gas is turned on it flows right through the carb as if the carb wasn't even there


That nost likely means the main jet in the carb is stuck open.. take the carb off, take it apart and clean the jets. ( NOTE ) Sometimes turning on the gas and using the back of a screw driver and tapping on the side of rhe carb, ( the float bowl ) will free the main jet from sticking, and it will close. hope this helps..

Jan 26, 2011 | 2004 Yamaha YZ 250 F

2 Answers

Leaking carb


The float is probably stuck. Remove the carb and then the float bowl. Clean the carb and remount it.

Jul 01, 2010 | 2003 Yamaha YZ 125

1 Answer

Turn on gas and gas comes out almost all the lines off the carb. bike has only been rode 2 times. Bike runs fine but choke doesnt work normally.


The problem is with your float inside the carb. It's either stuck or your needel/seat is sticky or there's a piece of trash holding it open. There are several causes but it's a simple fix.

The best solution is to tear the float bowl off and take a look. It can be done without buying any parts.

The proper float level for this bike is between 5.5 and 7.5MM.

I hope this helped.

Mar 08, 2010 | 2004 Yamaha YZ 250

2 Answers

YZ-250 wont idle and cuts out unless choke is on


Its not getting enogh fuel. Clean fuel filter, main jet,in tank screen etc. Check float level.

Sep 27, 2009 | 2003 Yamaha YZ 250

2 Answers

Gas runs out of from carburetor


if you suspect the float is stuck, grab a screwdriver and tap the carb float bowl with the handle. you should be able to see this from the bottom of the tank. hopefully this will unstick the float.

if it doesn't, then it will require removing the carb and taking the float bowl off and seeing if the float is adjusted properly.

Mar 18, 2009 | Yamaha Royal Star Venture Motorcycles

1 Answer

Oil


drain the fuel, locate the float bowl drain screw, lowest screw on the carb and loosen it to drain the carb. replace the fuel with proper pre-mix, replace the spark plug and it should be fine

Nov 10, 2008 | 2004 Yamaha YZ 250 F

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