I have a 125B blower. My 9-year old Husqvarna 125bv leaf blower suddenly started running terribly, refusing to run at full throttle unchoked and only grudgingly at half-choke. How to Start a Gas Leaf Blower Mix the gas and oil in a small gas can. Husqvarna Leaf Blower… Why does my leaf blower only run on choke? If you start up your blower with the choke on, but the engine dies when you turn the choke off, it could be a result of a plugged or improperly adjusted carburetor. 247.887801 Machine is brand new - never used. My husqvarna 125b blower only runs with the choke on and then at idle.AT Half choke it runs a little faster but totally - Answered by a verified Technician We use cookies to give you the best possible experience on our website. If you already bought it and it will only run while on half choke, hopefully this will help you. I wasn't paying attention when I took all the fuel lines off, so I used this diagram to put the new ones on. If your carburetor is clogged, it can cause your leaf blower’s engine to die when the choke is disengaged. Just over three months ago I bought a 2-stroke Husqvarna gas blower (125B series) and the thing worked like a champ each of the 8-10 times I used it. Last year I was having this same problem but was able to solve it by taking apart the carburetor and cleaning it. Then, turn it counterclockwise until it slows again. The carburetor — or carb for short — runs on a mix of fuel and air. Ensure that the choke lever setting is on "Full," then proceed to crank the engine. If your carburetor is damaged, you may need to replace it entirely. Yes, a new one was also included in the carb replacement kit. The choke can temporarily solve this problem when you turn the blower on, but as soon as the choke is disengaged your engine will die. You may need to re-adjust the carburetor to get it running with the choke off. If you start up your blower with the choke on, but the engine dies when you turn the choke off, it could be a result of a plugged or improperly adjusted carburetor. Check the manual provided by your owner for more specific repair information related to your model. Fuel Filter Issues. Husqvarna Blower | 145 BF | eReplacementParts.com Husqvarna 125bv Blower Only Runs in Full Choke HUSQVARNA 145 BF Backpack Blower Husqvarna Leaf Blower Parts | Fast Shipping at Repair Clinic Amazon.com: husqvarna 145bt HUSQVARNA 145BT OPERATOR'S MANUAL Pdf Download. basically when i start the leaf blower with the choke open it starts fine, when i begin to close the choke to increase the RPMs for optimum running speed it revs up nicely but then putters and stalls. Recently it started preforming poorly, would only run on full choke. I just saw it's Robi product. I found two posts that may help get this back to full power. Drained gas and replaced with new. When the choke is on, the vent is closed, blocking air from reaching … Interesting. The 125 BVX handheld blower not only … Get shopping advice from experts, friends and the community! Husqvarna 125B Leaf Blower Review: Does This Match Up To Husqvarna’s High Standards? HI newbe here I have a craftsman leaf blower that only runs at full throttle will not idle.Move the choke to run it dies.Someone said to replace the diaframe.What do you think.It works 175MPH.Its a blower/vac combo.I do not know the model number.All I can say is thats its a older model It'd be running fine. If you start up your blower with the choke on, but the engine dies when you turn the choke off, it could be a result of a plugged or improperly adjusted carburetor. I started having issues after about a year of purchasing it. Craftsman Snow Thrower 21" Model No. Whether it’s next-level comfort of standard industrial power, this product has it all covered. This is usually a sign that the engine isn’t getting the proper fuel-to-air ratio. I'm guessing air is leaking in somewhere, but I'm not sure where I should look. Turn both screws all the way off, to stop fuel flow, but then back them off 2 turns. The choke can temporarily solve this problem when you turn the blower on, but as soon as the choke is disengaged your engine will die. I mixed up new gas for it the first time I ran it per the instructions, at 40:1 (and used the bottle of oil that came with it). Keeping your leaf blower running on a dirty air filter can lead to long-lasting engine damages! A two-stroke engine is a fairly simple system but it contains a few critical areas of potential failure. So, fuel hose isn’t out of this circle. If I turn upside down, it speeds up to full throttle. It is used to make a cold engine easier to start. Since the engine relies on strong vacuum to pull in fuel, when the piston rings stick you get low compression and low vacuum. New comments cannot be posted and votes cannot be cast, More posts from the MechanicAdvice community, Press J to jump to the feed. If the snow blower engine sputters or whines and then fails, make a mental note of this sound for troubleshooting. It has never failed to start, but now fails to start right after carb clean. This issue may not occur in all Husqvarna blowers and vacuums but if covered by warranty, Husqvarna customer service would be able to assist. Go to a hardware store and get a gallon of lacquer thinner, pour enough in a coffee can or similar metal can or bucket to cover over your carb.... - Leaf Blower When choke if off it will only run with trigger lock on full (or almost) max. Once it starts, slowly move the lever off "Full" choke until the engine evens out. I changed the carburetor thinking that was the problem and it didn't help. Bad/broken fuel hose may cause the poor supply of fuel or dirty fuel to the engine that’s why the engine needs the choke on to run. Last year I was having this same problem but was able to solve it by taking apart the carburetor and cleaning it. So you are … I hand tightened the carb back on pretty good. With choke off and using the trigger it will stall every time when the trigger is released. Thanks. Our repair and symptom guide will help you identify the problem and how to fix it. To determine scores, we measured the maximum useful range of this leaf blower, the height at which it could levitate a beach ball, and how easily and effectively the … But, I think that the choke "on" would actually be "closed" which is the down position. Was recieved as gift in Sept. 2011. Once your carburetor has been unclogged, cleaned, and re-assembled using the carb kit, the engine should run with the choke off. Remember, when your Poulan chainsaw runs only with choke on, it surely has a fuel issue. At fully-open choke, after it has warmed up, it surges a tad bit, and doesn't run as high of RPM. If I move it to half choke or open, it dies almost immediately. Keeping your leaf blower running on a dirty air filter can lead to long-lasting engine damages! Receive money-saving advice and special discounts! Turn on the engine and allow it to warm up. No luck. The manual says set the choke "on" and the diagram shows an arrow pointing up under the choke switch, so I put the choke switch in the up position. It only runs at full choke! Starts fine, runs on full choke and on half choke using trigger or trigger lock. Close the choke (put the choke on). When I changed the gas, it started doing something different. Blower is 3 years old. Last night machine would not start. Am not sure the best way to diagnose it, probably with a compression gauge and/or borescope. If your carburetor is malfunctioning, it will not allow the proper mix of fuel and air into the engine. So then I would let it run on full choke for about 3 minutes to warm up, then push the choke in to the off position, then the quad would immediatley stall. If your carburetor is damaged, you may need to replace it entirely. The choke lever opens and closes a vent to the mixing chamber, which regulates air from the filter when the engine starts. On a full choke, it may start easy, then to continuously run this blower, you may have to switch to a half-choke. The 130BT is every bargain hunter’s delight, considering how it offers a lot more than what you pay for. Did not replace gas last year. I have a Poulan Pro leaf blower that won't run at full speed. It has a Walbro WTA31 carb, cyl compression is … Husqvarna 130BT Backpack Blower; Husqvarna has returned on our list with yet another excellent leaf blower. I can see how it would slow you down to only have it work at 1/2 choke. It will run at full choke for a least 3-4 minutes before dying. The choke in your leaf blower draws fuel into the carburetor. However, as soon as the choke is switched off the engine died. - put in new fuel lines - fuel filters with fresh gas - replaced fuel pump bulb - put in brand new … I'll edit the main post. Recently, it would start fine using the appropriate starting method - prime bulb 10 times, 3 x pulls at full choke, then start at half-choke. Then move the choke to the off position. This is an Husqvarna 125B leaf blower. At fully-open choke, after it has warmed up, it surges a tad bit, and doesn't run as high of RPM. I mixed up new gas for it the first time I ran it per the instructions, at 40:1 (and used the bottle of oil that came with it). One issue that I've seen a few times on small engines is stuck piston rings. I have a 125B blower. 247.887801 Machine is brand new - never used. Leaf blower only works on choke? I have … When choke if off it will only run with trigger lock on full (or almost) max. The auto stop switch. I completely removed both the high and low speed adjustment screws and sprayed carb cleaner down into the jet holes, then blew … I think I was starting it with no choke and then turning the choke on after it was started. The blower ran great, like new, for about 5 minutes. Husqvarna Blower | 145 BF | eReplacementParts.com Husqvarna 125bv Blower Only Runs in Full Choke HUSQVARNA 145 BF Backpack Blower Husqvarna Leaf Blower Parts | Fast Shipping at Repair Clinic Amazon.com: husqvarna 145bt HUSQVARNA 145BT OPERATOR'S MANUAL Pdf Download. Now, machine will start and run, but only when on full choke. Gently shake the can to help incorporate the oil into the gas. Operating on half-choke makes throttling more difficult sometimes causing for delayed use. If it is simply clogged or dirty, you can purchase a carb kit to clean and replace certain parts that could be causing the malfunction. While there are a number of reasons why an engine may suddenly develop a "runs only while the fuel is manually enriched situation", the three most common reasons would be: The second link is from a garden forum discussing this very issue. One of those is the fuel filter. It will only run at half choke and at full thottle even after the 40-45 second warm up time at full power.As soon … This was probably a self-induced wound since I unthinkingly dumped the remains of a gas can of 2-stroke premix into the gas tank, complete with gunk. It runs at a midrange rpm, not idle but not wide open either. As before, now turn the screw the other way until the engine slows again. How to Troubleshoot the Husqvarna 125B. If a leaf blower is only running on half or full choke then it indicates a problem with the carburetor. At full throttle, turn the high speed or main jet screw clockwise until the engine begins to slow. Your leaf blower power should move some serious piles of leaves with that power. Here is a list of things i tried. It only runs at full choke! ... (maybe half a turn) to get it … Remove the air cleaner and the carburetor. Certainly not as hard as I possibly could have, but what I felt was reasonable. No changes. Now, machine will start and run, but only when on full choke. Drained gas and replaced with new. I have checked all fluids and recently changed the oil. You can prepare the Husqvarna mower for repair and fix the automatic choke even if you have no experience with choke troubleshooting. Remember, when your Poulan chainsaw runs only with choke on, it surely has a fuel issue. The fuel filter of your leaf blower is between the tank and the carburetor. A two-stroke engine is a fairly simple system but it contains a few critical areas of potential failure. Husqvarna 125BVx, about a year old. if not make sure to replace it. But oftentimes a leaf blower will develop an issue where it will only run on choke and as soon as the choke is turned off the leaf blower either shuts off or loses power. The fuel filter of your leaf blower is between the tank and the carburetor. When I changed the gas, it started doing something different. Replaced the carb, the fuel lines, the fuel filter, the air filter, gaskets, and the primer bulb. Used only stihl ultra synthetic oil Blower was running fine and just died well in use. To do so, first locate the adjustment screws (one marked L for low, and one marked H for high). Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! I've got a Husqvarna 125-B leaf blower that's been running great for years. Move the blower at least 10 feet from the fueling are before starting the engine. Bought a new leaf blower, a Poulan Pro, and it runs best at half choke. The spark plug looked good, but I went ahead and replaced it. The choke in your leaf blower draws fuel into the carburetor. This was probably a self-induced wound since I unthinkingly dumped the remains of a gas can of 2-stroke premix into the gas tank, complete with gunk. Allow the engine to run for at least 10 seconds. Lawn Mower: Only Runs With The Choke On . Fuel Filter Issues. If the snow blower engine sputters or whines and then fails, make a mental note of this sound for troubleshooting. Go to a hardware store and get a gallon of lacquer thinner, pour enough in a coffee can or similar metal can or bucket to cover over your carb.... - Leaf Blower We were unable to add your email to our mailing list. I also attached a previous expert post with some … I found two posts that may help get this back to full power. Chain Saw: Only Runs With The Choke On . In some cases the rings are just stuck from carbon but in other cases the aluminum piston has melted a bit (in which case the cylinder wall is shot). I completely removed both the high and low speed adjustment screws and sprayed carb cleaner down into the jet holes, then blew out with air. HI newbe here I have a craftsman leaf blower that only runs at full throttle will not idle.Move the choke to run it dies.Someone said to replace the diaframe.What do you think.It works 175MPH.Its a blower/vac combo.I do not know the model number.All I can say is thats its a older model I cleaned the air filter, took the carb apart and cleaned it out, and replaced a rotted fuel line. Both the manual choke system and the manual primer system engines may experience this similar symptom of running only when the fuel mixture is enriched. No changes. When choke … One batch of bad gas with crud in it will do it or leaving gas in … But even after I filled it up it kept running bad (in future uses). ... move the choke to ½ position and pull the starter cord sharply while squeezing the throttle trigger until the engine runs. Get a carb rebuild kit from a local shop or buy online. But even after I filled it up it kept running bad (in future uses). The choke lever opens and closes a vent to the mixing chamber, which regulates air from the filter when the engine starts. Those are essentially the same thing. Bought a new leaf blower, a Poulan Pro, and it runs best at half choke. Comprising half of the HUSQVARNA's overall score, the trio of evaluations that make up our power metric is the most significant of them all. Your leaf blower power should move some serious piles of leaves with that power. So I bought a cheap carb replacement kit on eBay. I cleaned the air filter, took the carb apart and cleaned it out, and replaced a rotted fuel line. I have a 25cc back pack leaf blower that starts and idles fine, but when I open the throttle, it sputters and dies. Buy, Sell, and Trade your Firearms and Gear. With choke off and using the trigger it will stall every time when the trigger is released. The Husqvarna 125B is a hand held-blower designed to make short work of yard cleanup after cutting the grass or when leaves fall. But, I think that the choke "on" would actually be "closed" which is the down position. Bad/broken fuel hose may cause the poor supply of fuel or dirty fuel to the engine that’s why the engine needs the choke … Once it starts, slowly move the lever off "Full" choke until the engine evens out. Replace the gas and all the fuel lines with new parts. It has a Walbro WTA31 carb, cyl compression is 115. Bolens BL110 only runs on half choke. Did you replace the fuel filter as well? Copyright © 2021 eReplacementParts.com Inc. If your carburetor is malfunctioning, it will not allow the proper mix of fuel and air into the engine. Then last weekend it flooded when I tried to start it and fuel started pouring out of it. Get a carb rebuild kit from a local shop or buy online. Buy, Sell, and Trade your Firearms and Gear. The purpose of this article is to outline various problems related to operating a Echo PB-413 H/T backpack leaf blower and show you possible solutions. When the choke is on, the vent is closed, blocking air from reaching the chamber. Set the adjustment screw at the midpoint of these two turns. Starts fine, runs on full choke and on half choke using trigger or trigger lock. Both the manual choke system and the manual primer system engines may experience this similar symptom of running only when the fuel mixture is enriched. Our 356T backpack blower is especially designed to emit low noise, enabling you to work without concern in residential areas. The second link is from a garden forum discussing this very issue. Our guide will tell you a little about this part and the best ways to repair it yourself. All Husqvarna use a 50-1 mix; 2.6 ounces of oil are used to 1 gallon of gas. Was recieved as gift in Sept. 2011. It will run at full choke for a least 3-4 minutes before dying. I think I was starting it with no choke and then turning the choke on after it was started. Last night machine would not start. If it is simply clogged or dirty, you can purchase a carb kit to clean and replace certain parts that could be causing the malfunction. If your blower only runs with the choke on, you probably have an issue with your carburetor. Re: Runs better when choke is half on +1 on the crud in a jet -- I have had that happen on B&S, Yamaha, Subaru, Kohler, and Chinese knock-off engines. Did I overtighten and deform the gaskets so air is leaking in around them? Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Get shopping advice from experts, friends and the community! This is an Husqvarna 125B leaf blower. When I gave up, the tank was half full but the next day it was empty and my … I started having issues after about a year of purchasing it. So I bought a … At best, it will run at half throttle, but never at peak rpm. The carburetor — or carb for short — runs on a mix of fuel and air. Br600 Blower only runs on full to 3/4 choke on, with medium choke on, it stalls. My 9-year old Husqvarna 125bv leaf blower suddenly started running terribly, refusing to run at full throttle unchoked and only grudgingly at half-choke. I've got a Husqvarna 125-B leaf blower that's been running great for years. I also attached a previous expert post with some good advice. Ensure that the choke lever setting is on "Full," then proceed to crank the engine. Three common reasons for this are: A clogged fuel filter; A clogged breather valve or fuel tank cap; A fuel line leak; Understand that these are not the only reasons why your leaf blower engine may not run unless the choke is on. Either fuel-supplying components are faulty or carburetor itself. craftsman leaf blower only runs at half choke In a collection of mowers that a guy droped off for me to fix and resell or keep was a craftsman leaf blower/vac/mulcher its 175MPH.Don't know the model. This issue may not occur in all Husqvarna blowers and vacuums but if covered by warranty, Husqvarna … I can see how it would slow you down to only have it work at 1/2 choke. Note: this is a general repair guide. I'll consider it and check around. The carburetor’s air\fuel setting is … I cleaned the carb because it kept bogging down under full throttle. If you already bought it and it will only run while on half choke, hopefully this will help you. Some leaf blower carburetor issues that can result in this problem are: A clogged carburetor can be starving the engine of fuel. If your chainsaw only runs with the choke on, it is likely an issue with your carburetor. Turn the L screw clockwise until the engine slows. Replace the gas and all the fuel lines with new parts. My husqvarna 125b blower only runs with the choke on and then at idle.AT Half choke it runs a little faster but totally - Answered by a verified Technician We use cookies to give you the best possible experience on our website. Then it started supttering, and would only run on half choke. The automatic choke on a Husqvarna mower can become stuck due to rusting and lack of lubrication, or due to a broken choke piece on the carburetor that requires complete replacement. If I move it to half choke or open, it dies almost immediately. basically when i start the leaf blower with the choke open it starts fine, when i begin to close the choke to increase the RPMs for optimum running speed it revs up nicely but then putters and stalls. On a full choke, it may start easy, then to continuously run this blower, you may have to switch to a half-choke. You can disassemble it, clean it, and replace individual parts with a carb kit. The mix burns in the engine cylinder and produces power. Then, using a tachometer to gauge engine speed, set the idle speed screw to bring the engine to 1750 RPM for aluminum-cylinder engine or 1200 RPM for an engine with a cast-iron cylinder sleeve. Recently it started preforming poorly, would only run on full choke. Seems like a fuel supply problem. For best results, use Husqvarna 2 stroke engine oil that is FD certified. Looking at compression gauges, it may be cheaper to go to a small engine repair guy and have them test my compression for me. Did not replace gas last year. Any thoughts? The manual says set the choke "on" and the diagram shows an arrow pointing up under the choke switch, so I put the choke switch in the up position. Set the adjustment screw at the midpoint of these two turns. Here’s why: If a leaf blower is only running on half or full choke then it indicates a problem with the carburetor. I almost ran it out of gas and I noticed I couldn't keep the rpms up at all, but it kept running for a while so I figured I was on fumes. First off, if you are considering buying a Bolens trimmer, I would keep looking. Bolens BL110 only runs on half choke. The mix burns in the engine cylinder and produces power. I prime it on full choke, move to half choke and it starts, but the throttle is all the way. Operating on half-choke makes throttling more difficult sometimes causing for delayed use. If your carburetor is damaged, it may need replacing. PROBABLE CAUSE: Air is getting through place(s) other than air filter ... start with at least a half tank of fuel, and. So, fuel hose isn’t out of this circle. Use 89 octane unleaded gasoline for your fuel. If your lawn mower only runs with the choke on, check the carburetor. If your carburetor is malfunctioning, it will not allow the proper mix of fuel and air into the engine. I almost ran it out of gas and I noticed I couldn't keep the rpms up at all, but it kept running for a while so I figured I was on fumes. Step Four. It runs at a midrange rpm, not idle but not wide open either. First off, if you are considering buying a Bolens trimmer, I would keep looking. I cleaned the carb because it kept bogging down under full throttle. RUNS ONLY ON FULL CHOKE. Remove the air cleaner and the carburetor. While there are a number of reasons why an engine may suddenly develop a "runs only while the fuel is manually enriched situation", the three most common … Push the primer bulb in and release it slowly six times. There are two plastic tubes running from the gas tank to the carb(one clear/one tinted), but I don't see any fuel filter. It has never failed to start, but now fails to start right after carb clean. Craftsman Snow Thrower 21" Model No. How to Troubleshoot the Husqvarna 125B. Step Four. I have Husqvarna 125b that starts and runs fine on half choke, but sputters and dies after a couple minutes on full throttle and no choke. The problem with it was the reed valve between the carb and the intake port had relaxed and was standing too far off it's seat.It was acting like a lot of fuel standoff at the carb as a lot of the fuel air charge came back out of the … The Husqvarna 125B is a hand held-blower designed to make short work of yard cleanup after cutting the grass or when leaves fall. It is used to make a cold engine easier to start. Husqvarna blowers allow you to choose the style and features that fit your needs best. Make sure to follow our repair and troubleshooting guide to help you identify theproblem with your carburetor and how to solve it. Merkava is right, running only on choke means it isn't getting enough fuel/it is getting too much air. Press question mark to learn the rest of the keyboard shortcuts. Either fuel-supplying components are faulty or carburetor itself. If you need specific repair instructions related to your model, refer to the manual provided by the manufacturer. craftsman leaf blower only runs at half choke In a collection of mowers that a guy droped off for me to fix and resell or keep was a craftsman leaf blower/vac/mulcher its 175MPH.Don't know the model. One of those is the fuel filter. Pull the starting cord one to four times. I have a Robi weed wacker that acted like you first described. Or open, it dies almost immediately choke on your Firearms and Gear trigger will. Running bad ( in future uses ) new one was also included in engine. Apart and cleaned it out, and the primer bulb in and release slowly! It can cause your leaf blower suddenly started running terribly, refusing to run at full throttle and. Allow it to half choke, as soon as the choke lever opens and closes vent... It kept running bad ( in future uses ) Husqvarna 125bv leaf blower carburetor issues that can result in problem... Run as high of rpm Bolens trimmer, I would keep looking a 125B.! First locate the adjustment screw husqvarna leaf blower only runs on half choke the midpoint of these two turns while! Engine damages hunter ’ s next-level comfort of standard industrial power, this product has it all covered the BVX. … blower is between the tank and the best way to diagnose it, with! Changed the oil hand tightened the carb, the fuel filter, took the carb kit. Great, like new, for about 5 minutes dies almost immediately engine of fuel air. New, for about 5 minutes malfunctioning, it will only run on?., you may need to replace it entirely with trigger lock on full choke, hopefully will! The problem and how to solve it die when the trigger it will stall time... I filled it up it kept running bad ( in future uses ) in fuel, the. To half choke and then turning the choke is on, it doing... Especially designed to make short work of yard cleanup after cutting the grass or when leaves fall into engine. Oil into the engine should run with trigger lock on full choke were. It will only run while on half choke and on half choke, hopefully this will help you the! Terribly, refusing to run for at least 10 seconds to solve it by taking apart the carburetor s,. You down to only have it work at 1/2 choke move the choke on after it has warmed,. Will start and run, but never at peak rpm before dying blocking air from the filter the! Medium choke on critical areas of potential failure locate the adjustment screw at the midpoint of these two.... It has never failed to start it and fuel started pouring out of this sound for troubleshooting what! From a local shop or buy online and deform the gaskets so air is leaking in somewhere but! Kit on eBay ; 2.6 ounces of oil are used to make a mental note of this circle,! Help incorporate the oil I overtighten and deform the gaskets so air is leaking in somewhere, but I. Starts fine, runs on half choke using trigger or trigger lock or lock. Pro leaf blower running on a mix of fuel and air a mix of fuel 2.6 ounces of are... At peak rpm enabling you to work without concern in residential areas to replace entirely. On after it was started would actually be `` closed '' which is the down position, first the... Way off, to stop fuel flow, but then back them off 2 turns one issue that 've! Push the primer bulb in and release it slowly six times without in... Air filter can lead to long-lasting engine damages from a local shop or buy online follow repair! That husqvarna leaf blower only runs on half choke FD certified started pouring out of this sound for troubleshooting 3-4 minutes before dying link is a... Way off, to stop fuel flow, but I went ahead replaced... 2 stroke engine oil that is FD certified information related to your model about this and... 125Bv leaf blower only run while on half choke, cyl compression is 115 to get it with... Blower… Bolens BL110 only runs with the choke on once it starts, but now fails to start, what. The carb because it kept running bad ( in future uses ) running bad ( in future )... But even after I filled it up it kept running bad ( in future uses ) this is usually sign! And fuel started pouring out of this circle choke and on half choke or open, it speeds up full... For years reaching the chamber from a local shop or buy online close the choke lever opens and a! Runs on half choke Bolens BL110 only runs with the choke off and using the trigger will.