Question about Honda CB 250 Motorcycles

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Got honda cb250t leaking petrol from carb over flow put new floats and fuel stop valve

Posted by Anonymous on

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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  • 1 Answer

SOURCE: BMW R80 1987 Leaky Bing carburettor…

I had the same deal.  After the rebuild kit, it still happened.  Against the advice of my mechanic, I filed the top of the float ever so slightly, decreasing the chance for the top of the float to come into contact with the dome of the carb.  2 years later, no leaks.  And always - always - turn off the fuel when not mobile ;>)

Posted on Mar 18, 2009

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goofduck
  • 490 Answers

SOURCE: 1998/99 kx 125 fuel leaking from carb outlet at bottom

sounds like the needle and seat may be the problem

Posted on Apr 15, 2009

  • 3 Answers

SOURCE: virago cyl flooding xv700 1984

let me tell you how i check to see if the float and needle valve is working properley in a carb. take the carb off git a hand pump off a out board motor. hose and all take the ends off put the suction end in a can of gas and the outlit end to the gas inlit on the carb. squeez liteley on the bulb that should let you no if the carb is leaking some ware. if not then you no for sure that the problem is some were else.goodluck davidbaxley.

Posted on Apr 17, 2009

Mr BrokRench
  • 1623 Answers

SOURCE: honda shadow vt600 dumping fuel into the carbs

Hello ddsaul2...If it's only been a day since the shop adjusted the carbs. you need to return it to them and make them do it right.
Sounds like a float valve is stuck and not closeing.They may have cracked a seat... There could be a pin hole in one of the floats causeing it to fill up with gas and sink. You can check and make sure all the vacuum lines are connected and possibly GENTLY tap on the carb fuel bowls to see if the float might be stuck alll the way down. Personally...if i paid for a carb tune i'd make them fix it. Surely they gurantee their work.
Good luck...i hope this helps

Posted on May 30, 2009

  • 636 Answers

SOURCE: Fuel leaking from carb vent tube on newly cleaned carburetor

that would be either the float set to high or the needle and seat is missing an o-ring while you had it apart. Should look at getting a carb kit there only approx. 23 bucks and it would save you a lot of grief in the long run.

Posted on Jul 26, 2009

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Petrol leaking from overflow pipe of my activa 3g.... how to slove this problem


Hi, Omkar 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.
8. Damaged petcock diaphragm allowing fuel to flow through the vacuum line into the combustion chamber.
For more information about your issue and valuable "FREE" downloads that you will need for viewing or printing please click on the blue links below. Good luck and have a wonderful day.
Petrol drops leak from Over Flow pipe in Activa
Honda Activa Fuel Leak
http://www.family-motorsports.net/GY6-50cc-150cc.pdf
http://www.partsfish.com/page/oem-parts-for-honda
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Aug 27, 2017 | 2011 Honda Activa

1 Answer

Honda CB 750 carb overflow


Hi, Louis 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.
8. Damaged petcock diaphragm allowing fuel to flow through the vacuum line into the combustion chamber.
For more information about your issue and valuable "FREE" downloads that you will need for viewing or printing please click on the blue links below. Good luck and have a wonderful day.
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http://www.partsfish.com/page/oem-parts-for-honda
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Aug 09, 2017 | Honda CB 750 Motorcycles

1 Answer

Pls help me my Honda activa 125cc air pipe leak petrol heavy petrol leak pls help... I am scared...


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 a nice day.
http://www.xbhp.com/talkies/help-me/21532-petrol-drops-leak-over-flow-pipe-activa.html
Honda Activa Fuel Leak
http://www.motorscooterguide.net/Manuals/Honda_CH150_Service_Manual.pdf
http://www.partsfish.com/page/oem-parts-for-honda
Honda Activa Std Dlx Owners Manual

Jan 07, 2017 | 2005 Honda Activa

1 Answer

Coolster speedmax qg210 carb is overflowing fuel from overflow port why


Hi, carbs over flow for any one or all of these reasons, the float is stuck or incorrectly adjusted or damaged, the needle valve (this stops the fuel flow when the carb float bowl is full) is not seating correctly, or damaged or there is debris in the needle valve seat area. Petrol is dirty stuff also it leaves a varnish like coating throughout the carb. This coating prevents the carb working properly. Undo the bottom of the carb and check float height dimension (this is critical) clean the float and shake it near to your ear you should not hear any noise. If it leaks fluid and/or it rattles get a new one. Check needle valve for damage and correct seating in the fuel input section. If you need to clean anything use a toothbrush and meths. Make sure you do not score or damage any metal or plastic parts. Hope this helps.

Sep 25, 2015 | Motorcycles

1 Answer

1987 Honda CBR 1000 F overflow petrol fuel


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.
8. Damaged petcock diaphragm allowing fuel to flow through the vacuum line into the combustion chamber.
For more information about your issue and valuable "FREE" downloads that you will need for viewing or printing please click on the blue links below. Good luck and have a wonderful day.
Fuel leaking from overflow CBR Forum Enthusiast forums for Honda CBR Owners
Carbs leaking Here is how to fix it
http://www.cbr1000f.org/data/downloads/honda_cbr1000f_93_service_manual.pdf
http://www.partsfish.com/page/oem-parts-for-honda
Honda 1990 CBR1000F Owner Manual

Dec 29, 2013 | 1987 Honda CBR 1000 F

1 Answer

I have a pulsar 150,now my carburetor leaks oil from waste pipe,my mechanic firstly shown rust in oil tank then he change the tank ,many times clean the carburetor and change the pin.but oil leakge not...


Hi,the way it works is.....petrol gose from tank into filler pipe into carb it fills the bowl at the bottom of carb float rises and shuts off the petrol by means of a inlet valve when float pushes it shut,
so if there is petrol coming out of the over flow pipe from the carb bowl it is iver the valve is worn(can be replaced)or the float is not at the right level(to high) or float has a hole so sinks(get a small container put petrol in it and put float in if it floats its ok)the other thing is the gasket that gose between the bowl and and top part of bowl make shore its not broken,
hope this helped all the best.

Jun 06, 2012 | 2011 Bajaj Pulsar 150

1 Answer

Carburater leaks fuel


Reseal carb / gaskets if its from the carb body ,

Sticky float, tap the float bowl to see if it stops and frees up
Check carb bowl for dirt in float valve or wear on float valve or seat or seat o ring, make sure the float is still floating (remove and try to float in petrol) if leaking from an over flow pipe or out let

Jan 26, 2012 | Motorcycles

1 Answer

Bike is stood with the petrol tap left on but petrol pours out of the over flow, stops when turned off . any advice please


your carburator float valve(s) need to be cleaned or replaced. wear, rust or other particles may be preventing your float valve(s) from closing. take the carbs apart and clean them out. Install an inline fuel filter to prevent the problem after the problem has been repaired.

Oct 15, 2010 | 1981 Honda CX 500 A

1 Answer

Hi. I've got gas leaking from two carb drain hoses with the gas set to OFF. Is it the carb, the gasflow valve or both?


Thought I answered this...Pull off the fuel hoses at the valve and check that flow stops in the off position. Remove the 10mm head sediment bowl and check for dirt/rust. Sounds like 2 float valves are leaking because of dirt or foreign matter. Pull off the float bowl drain hoses on the carbs and loosen or remove the drain screw to check the fuel condition.

Mar 21, 2010 | 1973 Honda CB 350 F0

1 Answer

LEAKING OVERFLOW PROBLIM


it sounds to me like the carb float levels are out of adjustment and it is overfilling the bowls,or,the needle valve seats are worn and leaking,which will allow fuel to continue filling the bowls even though it looks like they are closed,remove the carbs from the bike,remove the bowls,turn the cabs upside down close the floats(push them right to the top,this simulates full bowls)then blow throgh the fuel inlet pipe,if you can hear air escaping from around the seats they are faulty,also check that the seats themselves are tight in the carb body,i dont know why but gsxr carbs seem to shake the valve seats loose..hope this helps

May 30, 2009 | 2000 Suzuki GSX-R 600

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