How to fix a stuck carburetor float

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I have never had to rebuild the carbs. MG MGB Technical - Carburetor Float Valve Sticking I have been fighting a needle and seat float valve sticking problem on my SU HS4 carbs for more than a year. If the float is too high, the engine will try to flood out; too low, and the motor starves for fuel. I will run some seafoam in it and call it good. Before removing the float pin in your carburetor, make sure the pin isn't completely stuck. I still have the problem however- if I replace the bowl and turn on the gas, soon after gas starts leaking from the TOP of the carburetor through the hole up there. How to correct a stuck float in the carburetor of a 1930Model A - Smell gas after car is shut down. Tap the top of the carburetor gently but firmly with a small hammer or screwdriver handle. Best Answer: If the float is stuck, you either get no fuel in the float bowl, or the float bowl overflows with fuel. This valve is located at the point inside the carburetor where the  If float does not slide out and any force is needed to remove it, the needle will stay in the seat indicating sediment Remove needle, if stuck in seat, with needle nose pliers. Lesson learned. and the bowl is filling, either the jets are clogged or you have not adjusted the screws out to the proper settings to allow fuel to flow. The float valve will be hanging loosely on the float by a very thin wire that slips over a metal tang on the float. When the fuel bowl is full of gasoline, the float rises to close the float valve against a rubber seal. hey everyone,,,i need some help, my carb float on the rear carb is stuck!!! and it just happened, so does anyone have a quick fix without tearing everything apart,,,,i wanna put more miles on asap!! Fast Shipping! Most of our stocked parts ship within 24 hours (M-Th). The float must "float" on top of the fuel while fuel is inside the bowl. Find Briggs & Stratton Small Engine Carburetor Float Needle Parts at RepairClinic. I really don't know at this point. You turn your gas valve on and before you know it, you have gas running out of your carburetors overflow tube. Drain your tank , take apart and inspect your fuel petcock. After everything has been cleaned, submerge the float in hot water, and watch for bubbles that would indicate a leak. Now if you are getting fuel to carb. This guide covers problems and solutions routinely encountered on stock and mildly modified motorcycle engines. When the carburetor is leaking fuel, it probably has debris caught in the float needle valve area. Remove float and needle blow out inlet path with compressed air etc. However, as with all mechanical devices, carburetors require periodic tuning and service, and will eventually wear out. How to Maintain a Briggs Carb on Lawn Mower – Valve and Float Sticking Issues The very first thing that you will want to do is to check and see if gas is in the carburetor bowl. If the fuel bowl is stuck in position, remove any debris that may be present and spray the bowl with carburetor cleaner spray. As I was finishing mowing the tractor died. Any ideas as to what to look at next? How do I adjust my carburetor to help with fuel pressure that is too high? How do I troubleshoot an Onan generator that does not start? How do you fix a generator that starts but them immediately quits running? How do you fix an Onan 4000 generator that is surging? How do you synchronize carburetors on a Yamaha Road star? A thick stream of gas was squirting through the bottom carb every time i turned the engine over, and also when I pumped the bulb. Fortunately, most snowblower carburetors are pretty easy to repair yourself, at home. Keeping a clean fuel system. If your float is clear plastic, you can see the fuel inside the float. I do not think there is gas in the float, but I am not 100% sure. Check if a B&S carburetor float is stuck on a tractor. The original needle and seat look like new. We have the parts you need to repair your tractor - the right parts. 5 twin When trying to crank, gas shoots out of carb when air - Briggs & Stratton Briggs Stratton Intek V - Twin question Sometimes a bad float can make gas pour out of the top of the carburetor! A float can also stick shut, especially on an engine that has not been started for awhile. The float valve is in charge of letting more fuel into the bowl from the fuel line when needed. I’ve never had a problem with it until now it wont stay running unless I hold the choke out on the Harley carburetor. Repair your Briggs & Stratton Small Engine Carburetor Float Needle for less. There are steps you can take to help you determine how to fix a stuck lawn mower engine. I have 33,000 miles on this bike and bought it brand new. FLOODING (OVERFLOWING) Fuel overflowing from the carburetor may be caused by a number of issues: (1) Float/fuel valve incorrectly adjusted I brought the carburetor home, picked up a can of carburetor parts cleaner, and went to work. Next I removed the two brass screws that hold the fuel jets. The float may not be “stuck. By far the easiest way to remove a carburetor float pin is with a spring loaded center punch. The float stuck open at the same time. I'm assuming you checked that prior, right? Carburetor flooding? Carburetor not allowing gas to enter float chamber? Try this easy fix next time you clean your carburetors. I still riding my 1969 CB750, had it out last week. Some of these small carburetors have a diaphragm along with the float so you may also have to replace the rubber diaphragm where you would see a float system of fuel regulation. Like Geezer says, run it out of fuel & then spray some carb cleaner in the fuel inlet. It feels like it empties the float bowl then bogs down. What you may find is a thickness of green-yellow goo in the bottom of your carb bowl that the float is mired in (stuck in). It includes a replacement throttle shaft, new butterfly valve screws, fuel inlet filter, new float needle and seat, new float pin and gaskets. The needle and seat is not closing. Then it will warm up, idling where it should be, then it seems like once it's warmed up, the engine just dies with no warning. As the horsepower goes up, so does the number of potential situations that impact performance or create problems. Check the float to be sure that it is not leaking. I tapped on the float bowl with the end of a screwdriver, and got nothing. At my wit's end Rochester 2 barrel float/needle sticking. Carburetors can wear out for multiple reasons. If the float "sinks" inside the float bowl, it will constantly let fuel enter the carburetor without shutting off the  The carburetor is the most common problem area in all small engines. When the tractor stops take the carb off ,open it and see the needle hung up with no gas in the bowl. That summer I rebuilt the carburetor 2 times, had it off the engine probably a dozen times, while floating in various different but scenic locations. If the jet breaks of in the carb body, It will be very difficult to remove. Then I removed the four screws on the bottom of the carburetor and removed the bowl. Use this Carburetor Calculator to confirm the proper carburetor size for your application. Re: Stuck Carb Float - What would happen? Well, what happens is the engire fires up on the first try, with no problems. and it seemed to fix it. This tractor repair video shows you how to check if a Briggs & Stratton tractor engine carburetor float is stuck. Remove this plate If the needle gets stuck in the up position it needs replaced. Bet you have a viton tip on the needle. By : Don Steward (Don8NAZ) The carburetor kit for the TSX-241A/B/C carburetor is being supplied in only one flavor nowadays. These are the most likely causes. I've had luck lightly tapping the fuel bowl area with a rubber or small metal head hammer. ” I rather guess that it needs a new valve and seat. The float bowl is getting too high. Page 1 of 2 1 2 Next > Previously when adjusting carburetor floats, I would invert the carburetor and measure the distance from the carburetor body to the bottom of the float. 2L engine. In any case, I don’t see that tapping on it will do much good… go with Chuck on this one. probably some crap stuck in the needle valve – easy fix. Over the life of your lawn mower, your carburetor will need periodic maintenance. Here are a few guidelines to follow to find a solution. Fix. How to Fix Briggs & Stratton Float Carburetor. It may even correct itself the next time you try it. With the HIF carburetors the float chamber is in the bottom of the carb, so the things have to be removed from the car for service. uk (sorry, that’s where Gray was from too) says something similar… "What carb is it? if its standard its almost certainly the float needle worn, they wear as they get older and leak past the seat. com is a one-stop source for fixing products in and around your home. Some carberators have a small spring the pulls the needle open if it does stick. How to fix stuck float in the carburetor Unfortunately the only way to check this out is to remove the carburetor, clean it, and disassemble it. Regular carburetor maintenance will help you avoid problems in the future. STROMBERG NA-S3 CARBURETOR - UPDATE - The little Stromberg NA-S3 series carburetor has been around since the late 1930's and has been installed on thousands of small Continental and Lycoming engines mounted on several brands of early aircraft and still is around today in large numbers. How to tell when an Edelbrock has a stuck float? Discussion in 'The Hokey Ass Message Board' started by Bugman, Nov 30, 2006. This may loosen a stuck float valve, allowing the float to work properly until you can fix the problem permanently. The problem may be as simple as clumps of grass keeping the blade from moving or as serious as a rusted piston. Carburetor Is Flooding Obviously flooding is caused by too much fuel getting into the cylinders. The picture I took for this didn't come out clear and when I get one it will be added here as well. Carburetor and Fuel System Troubleshooting Guide. "Its the float not shutting off the supply. If your having a problem of fuel leaking out of your carburetor this is usually where the problem lies. The next morning, I rode about 40-45 miles to Waterloo to pick up some friends on their bike, and escort them back to our place. Can someone help me out and tell me how to fix this issue? stuck float or float needle tip or seat 0-ring. Clean indention where seat is placed and replace seat and needle. So if it develops any sort of issue, it can throw off this mixture and affect engine performance. Old habits die hard, and so I used this same method on the Linkert floats, carefully setting the top of the float 1/4” from the top of the fuel bowl lip. Most float chambers have a drain fitted for maintenance and, in some cases, to measure the actual fuel height. #Shake the float and listen for a liquid sound from inside it. How do i fix a stuck carburetor on my john deere 23 hp briggs? Show More. The float valve in the carburetor is sticking open. I have a John Deere x320 Lawn tractor. If your snow blower is having problems running for long periods of time, or not starting up at all, the issue probably lies in the carburetor. First, let me say that I purchased a new float from the local Honda dealer, so my assumption is that I was buying a genuine Honda part, however, I really don't know for sure, so my fix may only apply to an aftermarket float. float may be stuck in the closed position or if carburetor equipped with a electric shut off/solenoid it could be faulty/stuck/bad connection. Immediately upon disassembling the carburetor, shake the float while listening for fluid sloshing around inside. The float might be stuck open. Picture 2:   If it's a stuck float in the carb, what can be done on a short-term basis to diagnose and perhaps correct the problem. How to fix stuck float in the carburetor. You’ll need to support the opposite float post with a socket large enough to accept the pin. Remember the needle is stuck or your floats are dead. Picture 2: On this carburetor the float needle is held in by a fuel splash plate. Before attempting to fix a carburetor problem on your motorcycle, you need to come up with the correct diagnosis. Andy Horne ay ScooterCommunity. Be careful not to lose the float needle or the pin. The fix: After another season of tinkering with it, I finally made up my mind to fix it and hear is what I did and learned. This will polish both the carburetor float needle and seat and One of the signs that the carburetor float is sticking is when the engine will not idle. Sounds like you may have a stuck float or something. L. Inspect the tip of the needle, some have rubber tips. I don’t know if that year Merc has a soldered brass float, but they sometimes crack and sink. Test the movement again to see if this fixes the problem. Is there a good fuel treatment for a 2 stroke? I cleaned out the carb my new rattler 110, but I didn't think to disassemble the float valve and clean it out. If the main and slow jet are stuck, soak them with anti-seize. When removing to bowl keep the carburetor straight and upside down to avoid loosing the float jet in case is falls off. I have (I think) tried everything. Turned out I had a small rock stuck in the float valve that kept the valve from closing all the way. The carburetor float is stuck in the closed position, and only a small amount of fuel is seeping into the reservoir. Briggs & Stratton manufactures small engines for lawnmowers and landscaping equipment. However, on the return trip to take them home, at least one float stuck again same old issue : gas out the overflow tubes, and engine flooding. Fuel flows into a bowl  4 days ago How to correct a stuck float in the carburetor of a 1930Model A - Smell gas after car is shut down. I notice sellers have stopped claiming the viton tip will stop leaks. But with a little investigation, you can figure out exactly what is wrong. The float would have marks on it if it was hanging up on the bowl. Millions of quality OEM replacement parts, repair videos, instructions, and same-day shipping available! If fuel flowing the carb. Fast, same day shipping. This method is good for most B&S/Walbro carburetors. You'll need to support the opposite float post with a  Jun 14, 2013 My carburetor leaks fuel when I turn the fuel on at a consistent leak out of the bottom hose of the carb. If the bowl is empty, you will then proceed to check if the valve is stuck. Our fast shipping, low prices and years of research make us your best choice when you need parts. Inside the bowl is just what we like – no rust and a misadjusted float that probably caused this carburetor to be removed long ago. A problem with the float is also likely to cause flooding when trying to start the engine. We set the float level so that the valve closes with the float top parallel to the carburetor body. How to Fix Lawn Mower Carburetors Unscrew the float valve Re: *PLEASE HELP* Carb Float gets stuck everytime motor gets no gas or runs out! John Well I just couldn't wait. The rebuild kits are manufactured by TISCO (BK45V Float needle is bad or has crap stuck in it, or the float lever setting may be too high, or the float diaphragm is bad. First I took pictures with my phone so I could see how everything went back together. If the lawn mower leaks gas the carburetor bowl gasket on the bottom of the If the float is stuck open, remove the carburetor assembly from the engine and  Dec 12, 2014 If so, that may be part of your problem. The carburetor float needle stops excess fuel at the float bowl. Show Less. If you have gas going to the carb but there doesn't appear to be gas available in the carb, you may have a float stuck shut. One of the first symptoms commonly associated with a bad or failing carburetor is a reduced engine performance. If the cleaning the carburetor is not effective, either rebuild or You may have a rock or something stuck in the float valve. com. My engine four cycles momentarily when I back off the throttle, then runs normal: This is perfectly normal for carbs NOT equipped with a “check valve” highspeed jet. Make sure float and needle are free and that needle shuts off fuel flow effectively. Seems to me like i've got a stuck floatmaybe both of them, and may need a carb rebuild. If I push the float up, gas stops flowing. . Another way might be leaning the bike far left & rt with more tapping. The float is not letting enough fuel into the reservoir, allowing for a constant idle of the engine. Most float chambers are fixed to the base of the carburetor, but some early machines used a remote system where the chamber was located some distance away from the main carburetor body. Bending this tang on the float (not the wire on the float valve), will raise or lower your float level. Now, I can tell the float is not refilling fast enough. Remove the fuel bowl bolts with a 5/16-inch wrench and pull the bowl off the metering block. My friend temporarily fixed the problem by tapping (gently!) on the top of the carburetor, dislodging the stuck float needle valve and permitting a flow of fuel into  Oct 12, 2016 (We are trying to move the float if it is stuck. Tap the bowl of the carburetor firmly. If the gasket is old, some of it may also be stuck to the nut – so give it a clean by scraping it off. On mine, you can just pop off the spring clip that holds the float bowl and wiggle the float to free it up. I have seen on many occasions the fuel line from the petcock to the carb will start to degrade and break down. Whether its a full-on replacement or a simple tune-up, its important to know how the process of servicing a carburetor to keep your lawn mower running like new. Either you have a stuck float, a stuck float needle, dirt in your carburetor, or you have a vacuum style petcock with a leaking diaphragm. So I shut off the gas and kick and kick until I get it to start with the gas off. If flooding continues, pinch the fuel line (if possible). Check the float level and adjust to the manufacturer’s specifications. A float valve controls the gas flow into, and out of, a traditional carburetor. Do you know what causes gasoline to drip out of the over flow tube of your carburetor? The short answer is that a tiny piece of dirt is most likely stuck in the needle and seat of the float valve, preventing the valve from fully seating. I had a similar problem on my 250X, always overflowing. The sales pitch - if the carb needs rebuilding, we can probably help you with a rebuilding kit. You usually have to overhaul the carb / replace float to repair it and make sure everything is de-gummed and clean. What I "Didn't" do is. I only ride it a couple times a year because I ride my Ultra Classic most of the time. Overhauls - Carburetor . The petcock has a screen on it which keeps most everything from the tank from making it to the carb. I just had to deal with a stuck float pin. The float swelled up and wouldn't turn the fuel flow off. The computer controlled version was used after 1981. Try running a little carb cleaner in to the fuel line. Fuel bowls on Briggs and Stratton engines hold the gasoline before it enters the carburetor. I put some fresh gas in it , to fire it up , turn the petcock on and gas just started flowing out two different tubes! I am getting ready to tear the whole sub-frame and rear end off for the initial greasing of all the bearings , and now it looks like I need to tear into my carb as well. About three years ago, I had a carburetor problem with a Miller Big 40 welder. The engine is a Continental 4 cylinder flat head. If it has fuel inside the float, it will be heavy and will sink. Take the carb apart and fix it. The wire clip that connects the float needle to the float is what is of concern here. The trouble with Dad is he let's his stuff like his tractor and truck sit out in the weather and doesn't start it at least every three months or so then when it goes to pot, he want's me to fix it. I'd suggest cleaning the carb and spraying carb cleaner through every fuel passage you can find. Open the hood and locate the carburetor body. old. Finally, spray the nut with some carburetor cleaner. The float needle valve is responsible for regulating the flow of fuel into the float bowl. #Remove the fuel line from the carburetor inlet. May require dismantling carburetor to fix. Take apart and clean your carburetor. It still has a 1/2 tank of gas. Assuming you didn't pump the gas pedal too much, there are only a few ways to get too much fuel. Fixed! No more gas leaking. Buy products related to carburetor float products and see what customers say about carburetor "Replace your vulnerable nitrophyl unit with a brass one and . I like to start with the softest setting on the punch, and work my way up until the pin moves. I have had the sticking float many a times over the years. the needle is hung from the float. Both aren't big problems but I have learned not to say "Anyone can fix it" look at your owners/service manual. Got home. There are two variations of the carburetor, one is computer controlled and has a stepper motor on the back side. A new bowl gasket was set on the carburetor, then the bowl, and the lower bowl (red) gasket was installed. The Carter BBD is a two barrel carburetor that was available on late 70s to late 80s Jeeps with the 4. Before motors were engineered with electronic fuel injection, this style of traditional carburetor was found on most motors. I never did Briggs & Stratton manufactures small engines for lawnmowers and landscaping equipment. I have a 1999 Dyna Wideglide with only 36,000 miles on it. how do I fix a stuck float on briggs and stratton 19. If the float is stuck open, remove the carburetor assembly from the engine and clean it thoroughly. Car engines, outboard boats and even lawnmowers used the same style carburetor system to control the mixture of gas and air that power the motor. Inside the fuel bowl is a metal float that is mechanically attached to a fuel-regulating float valve. ##If there is a liquid sound inside the float must be replaced as it has a hole in it. If the float "sinks" inside the float bowl, it will constantly let fuel enter the carburetor without shutting off the fuel. It has had sick carburetors for some time with the rear carb flooding badly. Make sure the needle valve above the float is not sticking. The float rises as the fuel level fills the bowl and lowers as the gasoline is used by the engine and allows more flow into the bowl. The problem was that the needle valve connected to the float in the carburetor bowl would get stuck in the closed position and no gasoline could get into the bowl. co. It will crank but will not start now. This exposes the fuel inlet needle and seat assembly. Discussion in 'The Hokey Ass Message Board' started by Squablow, Jul 21, 2012. Fuel flows into a bowl in a float carburetor. Before For float valves that are slightly dirty, this simple step could fix the problem. I replaced the fuel filter and air filter. The Float and Needle The float is probably stuck to the bottom of the fuel bowl. A carburetor is a mechanical device that combines air and fuel in an internal combustion engine. of the carb. No fall was involved! Bike is 6mo. The float pin secures the float in place. If that doesn't work, I have dropped the bowl (if you have room) and did a quick fix. #1 Dirt/metal shavings between the needle and seat or a "sticking float": To correct either of these problems, lightly tap the carburetor fuel inlet area with the handle of a screwdriver. I cleaned all parts and sprayed WD-40 and rubbed it on everything inside and ensured that the float is aligned and has no obstructions to prevent it from going up and down. ##If there is no sound the float is ok and the problem is in the needle and seat. 365 day right part guaranteed return policy. One of the more common questions we get concerns either the overwhelming smell of gas coming from the carburetor or fuel leaking out of the bowl or overflow. I checked all over the civilized world for a replacement float, but couldn't find one anywhere. Are there any long-term  Nov 21, 2012 By far the easiest way to remove a carburetor float pin is with a spring loaded center punch. You have to remove the airhorn from the bowl. Instead, I pulled the seat off and gave the top of the carb a few hits with a rubber mallet to see if the float would float. If your gas valve tests good, or has now been repaired or replaced and tests good, we will move on to the carb float needle. We pull the float hinge pin so that the float can be removed. Then place the metering needle back onto the float, set the float back into the carburetor and secure it with the hinge pin. The problem with finding a float was that the engine used a Walbro Do you know what causes gasoline to drip out of the over flow drain tube of your carburetor? The short answer is that a tiny piece of dirt is, most likely, stuck in the needle and seat of the float valve, preventing the valve from fully seating. The first thing I try is tapping the carburetor float bowl lightly with a screw driver or rocking the bike/machine back and forth to try and get the float to move in case it’s stuck. sosmerc: posted 11-17-2006 08:57 PM ET (US) If you get to this point, the carburetor probably needs to be removed, and rebuilt. We suspect a sunken float, or a stuck float valve, no way to know until it comes apart. My machine ran great. The oil coming out of your carburetor is coming from your crank case. If your engine is hesitating, stumbling, stalling, letting out black smoke, or has a hard time starting you may want to consider rebuilding your carburetor. The carburetor is the main component responsible for metering and delivering the air fuel mixture required for the engine to run. If the floats are too high, the carburetor will run rich. Examine the movement of the float with your finger. Make SURE if you try this yourself you don't let gas get anywhere. Little pieces that flake off can get stuck in the float needle and seat. A slight tap on the float bowl will suffice for the short term If you want to fix the problem it's not that hard Remove the air filter assembly to expose the carburator 4 screws open the float bowl remove a sliding "keeper" holds the float pin & remove the float with pliers use a clean rag to remove the gas & sediments in the bowl I guessed that the float was stuck, and dreaded the hassle of pulling the carb off. I was Most carburetor problems are caused by a variety of blockages from thinks like dirt, varnish, and gasoline deposits. It's a good idea to contact then-now automotive and get a carb kit ordered. The fuel valve controls fuel when the bike is running or when the lever is in the off position. #Now spray carburetor cleaner into where the needle goes. Then cut the gas back on and it has not repeated the over flow of the float. The Grose Then push the pin out of the float boss and gently remove the float and float valve. The open end of the wire that hangs from the float must aim towards the air intake or air filter side of the carb. We tightened the bowl nut, with the bowl drain positioned close to the engine. How to Rebuild a Tecumseh Carburetor. I attempted to start but still no luck. By Andrew Pollack on 01/17/2011 at 10:13 AM EST Eighteen months ago I wrote a little article about how to adjust the brakes on a lawn tractor because I couldn't find the information myself when I searched. I assume that its coolant, it's not coolant, its gas. Solution #2: Although your carb’s floats are pre-adjusted from the factory, they often come out of adjustment during shipping. How to fix a brass carb float that has fuel in 1 side ? « on: November 09, 2011, 05:56:46 pm » Can anyone please tell me how to successfully repair a brass carb float that has fuel inside of it on one side ? How to fix sticking float or needle that isn't sticking? discussion in the Farmall & International Harvester (IHC) forum at Yesterday's Tractors. Your float needle is not sealing against the seat properly allowing the gravity fed fuel to continue to flow threw your main jet as the fuel levels rise in your carburetor. Next remove the float pin and remove the float and the float needle. Both conditions are typically caused by a stuck or worn float needle valve. Check the adjustment on your float pin, and maybe even get a new one, and this should hopefully stop your problem! If I let the float hang down, gas comes out to the bowl. drain the float bowl on the carb. The float is the metering device that controls the amount of fuel present in the carburetor's float bowl, which holds the fuel in preparation to its injection into the carburetor for mixing with air, to power the motor. How to Fix a Snow Blower Carburetor . Here's why your Snow Thrower may be leaking gas all over your garage. Having a small piece of debris inside the jet is one of the most common reasons for a carburetor to stop working, and simply cleaning out the hole could fix your problem. Its missing in most carberators. The fuel that is drawn into the engine resides in the bowl of the carburetor. It's easy for the main fuel jet to become blocked, but luckily it's a pretty easy fix. ) If the above steps do not solve the problem, there is probably dirt in the carburetor needle and seat  I've got a 2003 Rubicon, the carb float got stuck last fall, all the gas You may want to fix your petcock also since it won't shut the fuel off. He did park his tractor in the barn over last winter but the float valve still stuck shut on it. It sounds like 2 problems, 1) stuck float or float binding 2) Sounds like the throttle slide is stuck or the needle inside theslide is binding up and not letting the slide come down (close). gas pouring out of carb- stuck float? This is a discussion on gas pouring out of carb- stuck float? within the ZR-7 Maintenance forums, part of the Kawasaki ZR-7 category; My faithful ZR7 has been patiently sitting in my garage for the last six months (thats another story) and the other day I felt inspired The next area for fuel control is the carb float needle. The Lawn tractor has 81 hours. how to fix a stuck carburetor float

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