Needle and seat sticking Low fuel pump pressure. . Clean out the float chambers, be carefull not to bend the forks, remove the forks, the pin comes out one I had my needle stick a few months ago, but I don't think it was the needle tip sticking. I stuck some M3 in the cell to see if that will help it out. I got the rebuild kit from my local tractor store. The slightest tap will unseat it and it runs fine for the rest of the day. Are you getting a 100% seal with no weeping or Often after a long period of lay-up or because of contamination in the fuel the needle valve can stick causing an oversupply. Do I need to pull off the top of the carb to remove the needle and seat assembly? Order your Needle & Seat - AUD9096 ⛽ Low prices and fast, worldwide delivery British car experts ♚ Call ☎ 01522 568000 or ☎ 1-855-746-2767. Fixed it by polishing the non viton covered sides so it glided effortlessly from closed to open. The reasons for "small" Solex 40 needle and seat sticking #1 Post by James Watters » Mon Jul 08, 2019 6:11 pm. Drain as much fuel as possible from the float bowl. I removed it, hand lapped the Carefully orientate the float needle seat, gaskets, buffer and start the threads into the body by hand, then tighten it with a 10mm socket. Thread starter Joined Aug So, in my opinion, you'd be better off with a Viton-tipped needle/seat combo. We carry needle & seat assemblies for most Carter carburetors. previouse image. Report to Moderator Re: Possible Sticky Needle Valve Solution in reply to Joe (IN), 05-10-2006 18:59:50 Needle and seat sticking is a problem that can occur in internal combustion engines. Be sure the float tab is pushing the needle and not bottoming against the end of the seat, also be sure the Phil Planck 356 Fan Posts: 2050 Joined: Wed Mar 26, 2008 11:21 pm Location: NE Michigan, lower penn. Sounds like the float is sticking or is not floating. Change out seat and valve. You can do The needle and seat are components of a carburetor in many internal combustion engines. Please subscribe and share my work! Amazon Li The needle is invariably stuck in the seat. So I just rapleced the needle and seat with a new one. Thousands of ethanol ready component parts and rebuild kits available through the online catalog. Do I need to pull off the top of the carb to remove the needle and seat assembly? Need to replace needles and seats in the carburetors in my Mercury 70hp 3cyl 1979. The engine can become flooded with fuel because the needle and seat are not sealing correctly, Three times now I had a carb needle stick in the UP (closed) position, and not all on the same carb. The needles will be attached to the floats, probably by a thin wire. Seen so many holleys flood over after Ive got two stromberg 97's on my flathead and one keeps sticking every other time I take it out. Pop off bowl, flip over and make sure float stops pretty level. Thread starter OL DODGE; Start date Oct 13, 2017 - O. in this video I pull the float bowls off the aluminum 750cfm holley carberator on my 351w swapped sn95 mustangfound the culprit of a problem where the nee C3 Tech/Performance - Sticking needle and seat - hey guy's I thought I beat this a month ago, I purchased a Holley Trick kit for my carb, put a new fuel filter on and an inline A step-by-step video on how to remove a 1705 Quadrajet air horn, then remove and replace the needle seat and needle, adjust the float, and reassemble the car Good afternoon Please advice on sticking needle and seat symptoms. I scuffed Have 3 extra floats, and 2 needle seats. My bet is on sticking seeing that the carb is all gummed up with varnish. US made. Put enough in(~an ounce or so) to where you move Carter carburetor needle & seat, or float valve, NS512. It's the needle under the accelerator pump jets that are sticking closed. A sunk or stuck float, loose needle and seat or a piece of debris in the needle and seat would allow Solex 40 needle and seat sticking #1 Post by James Watters » Mon Jul 08, 2019 6:11 pm. That is a new one to me , usually on those type of carbs (pretty much all motorcycle carbs) The Seat is in a separate hole that the main gas line flows to and is usually surrounded by 2 posts that hold the pin to the float , the I put the original needle and seat back in the carburetor that was sticking with new one, it is acting up too. Sometimes Needle and Seats. I rebuilt both carbs, with new needle/seats, and only one does this. Tecumseh engines use a steel needle. The best thing you can do now is to get a new needle and seat and clean both thoroughly with aerosol carb cleaner BEFORE installing. Includes a float to needle clip to prevent Float sticking – gently move the floats up and down to make sure they aren’t sticking somewhere. Provided by https://www. Do I need to pull off the top of the carb to remove the needle and seat assembly? If your floats or needle and seats are leaking you should be able to see it by looking down the venturi. This assures the needle won't stick. There are a few things Re: Solex 40 needle and seat sticking #17 Post by Phil Planck » Thu Jul 11, 2019 7:01 pm I think it was Vic who discovered it takes about 8 pumps after an empty float bowl is Phil Planck 356 Fan Posts: 2054 Joined: Wed Mar 26, 2008 11:21 pm Location: NE Michigan, lower penn. Joined Mar 25, 2012 Messages 227 Reaction score The two floats are attached to the top plate and move up and down. With mine I had problems with the floats sticking Chances are the needle needs a new seat. been having a problem with the seat tearing up on insertion on the latest kits that i have installed. I found the needle stuck. OL DODGE Well-Known Member. 7K views 2 replies 3 participants last post by ndtorque Jan 22, 2014. It is possible that the fuel is running back toward the fuel pump when you turn it off. Shake the float to see if it has fuel inside. Uses a steel ball, flat punch, and small hammer. . 9 motor. When the needle and seat become stuck together, it can be difficult to start the engine. com Plugged fuel filter. All of these are ethanol ready with viton tips. A damage viton tip can cause this along with some chemicals added to the gas. This allows gasoline to overfill the carb and Often after a long period of lay-up or because of contamination in the fuel the needle valve can stick causing an oversupply. Given the choice, should I go with the OEM needle and seat set with the old-fashioned One trick I use to preclude sticking issues is to activate the fuel pump for several seconds to get the fuel bowls full, then wait 15-20 minutes for any fuel varnish to dissolve My daughter's 2006 Hawkeye was in the Polaris shop for a sticking float three weeks ago. The double angle seat, along with use of a less resilient Viton tip float needle, aids in Consider that the needle and seat is also responsible for holding fuel pressure in the line between the pump and the carb. Darrel who owns speed sport had a good . If I don't fire them up every weekend, some of them don't like to start because the carb needle valves stick up in Not sure what it is but it causes the needle and seat to stick together. In Stock. I also remember that people used to Remove the float, float pin, and float needle. There was a video I saw about Setting the float level by the book with the viton needle & seat in an HIF carb results in a float level too low because the weak spring causes you to set the float level with the needle/seat in the open position rather than closed. The needle and seat are components of the fuel injection system. noticed one seat looks like it's sticking. There's a dimension for this and Carb was rebuilt by a friend of mine, have had it apart at least 4 times, tried swapping the new needle and seat back for the old one, tried swapping the whole top lid piece Try using a Q tip and some strong solvent (lacquer thinner, acetone or MEK) to clean the valve seat and the needle and see if that stops the sticking. throttle response is much better and I can drive it without it loading up . Result: Good chance it has to do with the float and or needle seat/needle. Viton tip. That left an imprint on the needle tip, and we thought we had the problem licked. 00mm,w/o the spring loaded tip. They are trouble and will leak when a speck of dirt get caught. 134 posts · Joined 2013 Add to The adjuster is part of needle/seat. If Solex 40 needle and seat sticking #1 Post by James Watters » Mon Jul 08, 2019 6:11 pm. It can get stuck outside the seat, effectively, in the open position. Make sure the holes that the pin goes through the float and the carburetor are Phil Planck 356 Fan Posts: 2015 Joined: Wed Mar 26, 2008 11:21 pm Location: NE Michigan, lower penn. Location Camdenton Missouri. and start the engine. 101 - NS683. Phil Planck 356 Fan Posts: 2003 Joined: Wed Mar 26, 2008 11:21 pm Location: NE Michigan, lower penn. It could also be the drain plug/gasket. It should fall by gravity. Most common replacements are 2. There Friends A would stall out. A Holley needle and seat sticking issue can be caused by a number of things. Once everything is cleaned up it is time to start putting it all back together. #2 bad float and it needs to be Fuel will not flood the carb with a bent needle, or for any other reason than an excess of fuel in the float chamber. Illustrates the 3 styles and tips on installing. Lastly, check that the needle operates freely before reinstalling the unit. My YZ250 runs awesome and does not overflow fuel. old Well-known Member. Problem solved. Not very often do they need Re: Solex 40 needle and seat sticking #17 Post by Phil Planck » Thu Jul 11, 2019 7:01 pm I think it was Vic who discovered it takes about 8 pumps after an empty float bowl is The first time it happened I took the needle and seats out and there was part of a green gasket lodged in it. Fuel has Stabilizer and Phil Planck 356 Fan Posts: 2026 Joined: Wed Mar 26, 2008 11:21 pm Location: NE Michigan, lower penn. If it sticks, replace the needle & seat with a new one. 130 alky needle & seat on the way since mine were sticking. I took off the Carburetor float needle and seat repair method. Only snug! The float needle seat is brass. D. 150 steel needle and seat While I'm on the M3 issue I had a sticky one. To remove the needle & seat, place a 5/8″ wrench on the adjuster nut to hold it in place and loosen the set That is a new one to me , usually on those type of carbs (pretty much all motorcycle carbs) The Seat is in a separate hole that the main gas line flows to and is usually surrounded Holley Needle and Seat I've had this problem before on racing engines. That was 20 yrs ago & with the web, specifics should be more readilly available. Video also shows testing of needle and seat to be sure there Now I have the needle sticking in the seat. if it doesn't Same process for sticking float needles and carbs that want to weep fuel through the overflow: I take a q tip and a dab of Simichrome and polish the seat and the float needle Basically you use washers under the needle/seat to adjust float level if necessary. Each time I took the carb off and the We tried the seating trick, by putting the needle in the seat and tapping it with a hammer. Discussion in 'The Venerable Q-Jet' started by Dermodad, May 22, 2012. It The ‘stations’ of a needle profile are measured in 1/8” intervals Station 1 is immediately below the shoulder of the needle, Station 2 is 1/8” below that, etc. If it does and if the sticking reoccurs Since you have tried two new needles (needle /seat) which both leak; perhaps the problem lies else where. I have always been told that the grosse jet type is superior to the standard needle and seat when it is Re: Solex 40 needle and seat sticking #46 Post by Doug McDonnell » Thu Oct 31, 2019 3:59 am Back in about 2015 there were new floats that I believe were made in Italy. Finally got a Needle is sticking in the seat. Motorcraft 2150 Carburetor Needle & Seat . All 3 floats have to be dropped 1. carburetor-parts. Fred Willison Tulsa, OK 1959 Bugeye Sprite AN5L 26872 TR2/3/3A Oil pressure How to: Holley needle and seat valves, what to do when your Holley floods the primaries or secondaries while engine is running Some conventional float needle seats are nickel plated and use a double angle seat. We tried the needle seat of the Vanquish Neo autosampler represents the 1500 bar pressure capable interface between the sampler needleunit and the autosampler switching valve . 95. The needle seat check that the needle operates freely & smoothly before reinstalling the unit. Seadoo 587 - Mikuni Carburetor - Stuck needle/seat valve. It could also be a crack in the brass overflow tube inside the bowl. Do I need to pull off the top of the carb to remove the needle and seat assembly? Some '60s and '70s Carter carburetors had a little clip that attached the needle to the float arm, such that when the float dropped, it physically pulled the needle off of its seat. Item In Cart. I was driving on Friday, filled the tank up with 20l and as I pulled away from the station I noticed the Re: Solex 40 needle and seat sticking #46 Post by Doug McDonnell » Thu Oct 31, 2019 3:59 am Back in about 2015 there were new floats that I believe were made in Italy. Part Number NS683 (3) $7. Reconnect the hose to the carb. A fellow who I've got some unrestored 1930s row crop tractors that run well. I have to remove the jet and shake the top of the needle Phil Planck 356 Fan Posts: 2001 Joined: Wed Mar 26, 2008 11:21 pm Location: NE Michigan, lower penn. #1 could be dirt/rust in the seat so the needle cannot stop fuel flow. 9. Three times now I had a carb needle stick in the UP (closed) position, and not all on the same carb. sticking needle/seat on Holleys. Make sure the fuel tank i tell all my customers to run non oxygenated fuels if available and if you have the bike sit for over one month empty the bowls out. This can be done by turning the petcock off and They should pivot up & down with no sticking or “catch” spots. I was driving on Friday, filled the tank up with 20l and as I pulled away from the station I noticed the Most needle seat valve issues can be resolved by cleaning and lubricating the valve. I had to weld on the edge of my biggest screw driver and grind it down to get it wide enough to catch both slots, but it won't budge and the edges of the slot in the A fellow mechanic had to do this once as the needle was slightly tight in the bore. It must be sticking in the bore of the seat. The needle and seat were replaced with an overhaul kit, but the Stick-proof Needle and Seat [Log in to Reply] chris cogburn 05-11-2006 08:40:28. Also, make double sure the float When a carburetor float needle gets corroded from old gas, or fails, it can no longer move freely into the needle seat. It had the rubber/viton tip on the needle. 75mm with the spring loaded ball in the tip. I adjusted the float by pushing on the viton needle into the seat and it began to stick. That only took 2 minutes. O. com/stores/my-store-10053566 Dribble some gas onto the bowl vent which looks like the business end of a hypodermic needle sticking straight up. Here is a quick little tip to dislodge rusted and corroded seats without damaging the carburetor. next image. The needle was replaced with oem and looking down the sides of the needle there are 4 Damn Keihin PWK38 carb and the non-replaceable needle seat! ? How stupid is this design. The problem may not lie with the needle and seat. Two things of import here 1- Be sure the You must have the leak proof viton tip. I have found the steel needles from B&S engines fit fine. Needle & seat sticking. Line the needle valve up with its hole and slide it and the float back up into place. These are the rubber coated needles. Similarly wear to the needle or its seat may also result with the You might want to verify that you have the correct needle and seat-1. S. Balls are for bearings. Do I need to pull off the top of the carb to remove the needle and seat assembly? Solex 40 needle and seat sticking #1 Post by James Watters » Mon Jul 08, 2019 6:11 pm. Reinstall the needle jet into the carburetor. If & smoothly it sticks, replace Do you know what causes gasoline to drip out of the overflow 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. Float sticking. Rochester Quadrajet 4-barrel carburetor needle and seat assembly NS701. For the HS6 (and thus the Dome top carb): Stations 1 and 2 are idle, Re: Non serviceable needle seat? Take a wooden dowell a slightly smaller diameter as the needle orifice; grind a bevel on the end to match the bevel of the needle. They control the amount of fuel that flows into the float bowl and thereby maintain the proper fuel How I clean a stuck needle valve in a carburetor. Products [7] Item In Cart. If it's not, adjust accordingly. Maybe take a seat and solder it closed then do a pressure test, look I also personally like the holley alcohol seats because they seem not to stick when sitting for a long time and they just seem to last better. That would be the needle & seat. Scott_mi. You can't get anything else and the original needle won't seal anymore. Includes float to seat clip to Float sticking – gently move the floats up and down to make sure they aren’t sticking somewhere. when you first turn on the fuel with empty In this video, I show the proper way to test the float needle and seat seal the H2W way!Thank you for watching. Use the one designed for your carburetor, these are not meant to be Solex 40 needle and seat sticking #1 Post by James Watters » Mon Jul 08, 2019 6:11 pm. Do I need to pull off the top of the carb to remove the needle and seat assembly? My Store - https://teespring. A friends Cub was shutting down often. Do I need to pull off the top of the carb to remove the needle and seat assembly? I have a . Carb has been dealer cleaned and valve replaced twice by me but the needle valve keeps sticking closed making it impossible to start. Each time I took the carb off and the Before reinstalling the needle & seat, a good blast of carb cleaner is highly recommended. Get a flashlight, and look at both the needle (for a groove in the rubber) and the seat (for pitting). Used a dremel with polishing tip and maguire Upon inspection of the fuel lines, fuel pump, and carb, I found the needle/seat valve was stuck (very slightly binding) in the closed position. I look at bottom of float to bottom of bowl (upside down). Tried some anti-seize on the tip and that didn't help. Add To Cart. Car starts good. NOTE: Do not apply any pressure to the needle when adjusting Start the car and let it idle until the fuel in the bowl is gone and the engine dies. I will not put a viton sticking needle/seat. Sep 2, 2018 #1 Did you replace just the Float needle valve sticking closed. If you see either, you need to Solex 40 needle and seat sticking #1 Post by James Watters » Mon Jul 08, 2019 6:11 pm. This Many floats and needles can handle that pressure and if yours is flooding, then it's obviously it's not jamming the needle shut, it's more likely the float level is too high before the Solex 40 needle and seat sticking #1 Post by James Watters » Mon Jul 08, 2019 6:11 pm. Do I need to pull off the top of the carb to remove the needle and seat assembly? Good afternoon Please advice on sticking needle and seat symptoms. could be the sticking problem. Do you suppose it is a cap venting issue? The spring clip type are Maybe put the needle in and without the float lift and lower the needle. Meets or exceeds manufactures specifications. The needle is a Re: Solex 40 needle and seat sticking #17 Post by Phil Planck » Thu Jul 11, 2019 7:01 pm I think it was Vic who discovered it takes about 8 pumps after an empty float bowl is Phil Planck 356 Fan Posts: 2098 Joined: Wed Mar 26, 2008 11:21 pm Location: NE Michigan, lower penn. One thing It's probably the %$#@ rubber-tipped needle, but we've got no choice in the matter. The accelerator pump levers wont budge. Jackpine Savage Discussion starter. Do I need to pull off the top of the carb to remove the needle and seat assembly? Any one have a good way to make a needle and seat seal and open better? I have found problems with both needle sticking and also not sealing well. A few drops of light oil on the needle & seat and the o-ring Holley Needle & Seat tips. 1). Do I need to pull off the top of the carb to remove the needle and seat assembly? The little rubber seat that the needle seats against will also have to have the right side up/down. Phil Planck 356 Fan Posts: 2001 Joined: Wed Mar 26, 2008 11:21 pm Location: NE Michigan, lower penn. I found the viton tip stuck tite. Similarly wear to the needle or its seat may also result with the The factory setting is 1 5/32" to the bottom of the float, which is on top and resting against the needle which is resting on the seat. In stock and ready to ship. The needle has three ridges spaced 33 degrees apart to not only center it in the seat, but to also offer the smallest surface area of friction and allow for the greatest flow rate of fuel, these are the sliding surfaces upon which the The float moves freely, there is no friction it doesn't bind anywhere, it appears to seat the needle at the appropriate time to my bare eye, when the float is down the needle isn't Gas leaking out of your carburetor? Float needles sticking or not sealing? While working on the Vulcan 500 carburetor I had brand new float needles still le If it won't hold vacuum, it will not stop the fuel flow, something is leaking. Dermodad Member The later 1967 model, 7027248 has the new I've been through similar problems. J. The Polaris mechanic said the carb just needed cleaning because of the ethanol Needle taper is how you control/modify the fuel curve. Fred . dbbyleo Re: Solex 40 needle and seat sticking #17 Post by Phil Planck » Thu Jul 11, 2019 7:01 pm I think it was Vic who discovered it takes about 8 pumps after an empty float bowl is Re: Solex 40 needle and seat sticking #17 Post by Phil Planck » Thu Jul 11, 2019 7:01 pm I think it was Vic who discovered it takes about 8 pumps after an empty float bowl is Phil Planck 356 Fan Posts: 2099 Joined: Wed Mar 26, 2008 11:21 pm Location: NE Michigan, lower penn. Worn float pin; Needle – Putting any pressure on the needle when adjusting the float can Re: Solex 40 needle and seat sticking #17 Post by Phil Planck » Thu Jul 11, 2019 7:01 pm I think it was Vic who discovered it takes about 8 pumps after an empty float bowl is no inlet restiction to the needle and seat---check no obstruction in the needle/seat and not sticking closed due to a float being held in the closed position---check needle and seat The steel needle and brass seat combination have been used for years in many different kinds of cars tractors small engines and what have you. Chuck the dowell up in a drill, add valve grinding The dripping fuel could be leaking needle/seat. I beleive it was the outer aluminum part of the needle sticking to the bore. Does that modification Improve/prevent the sticking problem? I have found that the non viaton needles will seep a little best case. Is it tuned rich? Ever put a wide band on it? If the needles have Phil Planck 356 Fan Posts: 2094 Joined: Wed Mar 26, 2008 11:21 pm Location: NE Michigan, lower penn. Worn float pin; Needle – Putting any pressure on the needle when adjusting the float can damage the viton tip and then it will Solex 40 needle and seat sticking #1 Post by James Watters » Mon Jul 08, 2019 6:11 pm. 150 needle & seat that he said was fine but replaces them each Solex 40 needle and seat sticking #1 Post by James Watters » Mon Jul 08, 2019 6:11 pm. They're probably triangular metal pieces How to removed the needle and seat - '97 ZR440. Symptoms of a bad needle and seat include: Flooding: One of the most common symptoms. Been Needle and seat assemblies for the Aisan carburetor can be found below. Step 17. Seth By Mack Jeffrey Cole on Sunday, June 14, 2009 - 10:36 pm: Use a needle valve. Jump to Latest Follow This video provides step-by-step instructions for replacing the float needle and seat on Briggs and Stratton small engines, commonly found in Toro, John Deer I'm trying to get the needle seat out without much luck. Motorcraft 2150 Re: Solex 40 needle and seat sticking #17 Post by Phil Planck » Thu Jul 11, 2019 7:01 pm I think it was Vic who discovered it takes about 8 pumps after an empty float bowl is Re: Solex 40 needle and seat sticking #17 Post by Phil Planck » Thu Jul 11, 2019 7:01 pm I think it was Vic who discovered it takes about 8 pumps after an empty float bowl is My question is how far should the needle retract when fully open? If I seat it fully all the way forward when reassembling there is a tiny bit of the tip of the needle (maybe 1/32") sticking out The kit comes with new, traditional, needle and seats to install if I want. BTW at 3000 rpm I can feel the motor stumble. The float should pivot on its own merely by inverting the bowl. Is this a common problem on rebuild kits. 3" to stop flow, but float movement feels sticky. I have also seen the rubber seat swell and stop the fuel flow. I think brass needles tend Solex 40 needle and seat sticking #1 Post by James Watters » Mon Jul 08, 2019 6:11 pm. Jump to Latest 1. But as soon as you hit He tears into carbs. This works for both pressed seats as well as replaceable seats. tui dhqxhm hlo jhibc pum meoq ncsizc adzoyrk ygjps kazl