husqvarna leaf blower only runs on half choke

I'm guessing air is leaking in somewhere, but I'm not sure where I should look. 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 I turn upside down, it speeds up to full throttle. Was recieved as gift in Sept. 2011. Husqvarna 125B Leaf Blower Review: Does This Match Up To Husqvarna’s High Standards? I have … This issue may not occur in all Husqvarna blowers and vacuums but if covered by warranty, Husqvarna … Last year I was having this same problem but was able to solve it by taking apart the carburetor and cleaning it. Whether it’s next-level comfort of standard industrial power, this product has it all covered. So I bought a cheap carb replacement kit on eBay. Last night machine would not start. Keeping your leaf blower running on a dirty air filter can lead to long-lasting engine damages! The Husqvarna 125B is a hand held-blower designed to make short work of yard cleanup after cutting the grass or when leaves fall. 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. 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. 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. Here is a list of things i tried. However, as soon as the choke is switched off the engine died. The blower ran great, like new, for about 5 minutes. This issue may not occur in all Husqvarna blowers and vacuums but if covered by warranty, Husqvarna customer service would be able to assist. The second link is from a garden forum discussing this very issue. Note: this is a general repair guide. The choke in your leaf blower draws fuel into the carburetor. 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. When choke if off it will only run with trigger lock on full (or almost) max. PROBABLE CAUSE: Air is getting through place(s) other than air filter ... start with at least a half tank of fuel, and. Remove the air cleaner and the carburetor. All Husqvarna use a 50-1 mix; 2.6 ounces of oil are used to 1 gallon of gas. No luck. I also attached a previous expert post with some … 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. When I gave up, the tank was half full but the next day it was empty and my … I have a 25cc back pack leaf blower that starts and idles fine, but when I open the throttle, it sputters and dies. 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. - put in new fuel lines - fuel filters with fresh gas - replaced fuel pump bulb - put in brand new … Was recieved as gift in Sept. 2011. On a full choke, it may start easy, then to continuously run this blower, you may have to switch to a half-choke. Lawn Mower: Only Runs With The Choke On . I just saw it's Robi product. Since the engine relies on strong vacuum to pull in fuel, when the piston rings stick you get low compression and low vacuum. Seems like a fuel supply problem. Why does my leaf blower only run on choke? I also attached a previous expert post with some good advice. Close the choke (put the choke on). 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. 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. Replace the gas and all the fuel lines with new parts. When I changed the gas, it started doing something different. Then, turn it counterclockwise until it slows again. Press question mark to learn the rest of the keyboard shortcuts. 247.887801 Machine is brand new - never used. 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. Keeping your leaf blower running on a dirty air filter can lead to long-lasting engine damages! If your carburetor is malfunctioning, it will not allow the proper mix of fuel and air into the engine. 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. Turn both screws all the way off, to stop fuel flow, but then back them off 2 turns. 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. I've got a Husqvarna 125-B leaf blower that's been running great for years. So, fuel hose isn’t out of this circle. 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 Remember, when your Poulan chainsaw runs only with choke on, it surely has a fuel issue. It runs at a midrange rpm, not idle but not wide open either. 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 can see how it would slow you down to only have it work at 1/2 choke. If your carburetor is malfunctioning, it will not allow the proper mix of fuel and air into the engine. Receive money-saving advice and special discounts! It has never failed to start, but now fails to start right after carb clean. Our repair and symptom guide will help you identify the problem and how to fix it. It only runs at full choke! If your carburetor is damaged, you may need to replace it entirely. Our 356T backpack blower is especially designed to emit low noise, enabling you to work without concern in residential areas. 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. Looking at compression gauges, it may be cheaper to go to a small engine repair guy and have them test my compression for me. 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 … Turn on the engine and allow it to warm up. 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 It runs at a midrange rpm, not idle but not wide open either. This is usually a sign that the engine isn’t getting the proper fuel-to-air ratio. I found two posts that may help get this back to full power. For best results, use Husqvarna 2 stroke engine oil that is FD certified. Either fuel-supplying components are faulty or carburetor itself. Check the manual provided by your owner for more specific repair information related to your model. If your carburetor is clogged, it can cause your leaf blower’s engine to die when the choke is disengaged. 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 … Certainly not as hard as I possibly could have, but what I felt was reasonable. Did not replace gas last year. When the choke is on, the vent is closed, blocking air from reaching the chamber. Remove the air cleaner and the carburetor. Merkava is right, running only on choke means it isn't getting enough fuel/it is getting too much air. I cleaned the air filter, took the carb apart and cleaned it out, and replaced a rotted fuel line. 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. Fuel Filter Issues. Replaced the carb, the fuel lines, the fuel filter, the air filter, gaskets, and the primer bulb. The mix burns in the engine cylinder and produces power. When choke if off it will only run with trigger lock on full (or almost) max. It has a Walbro WTA31 carb, cyl compression is … 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. 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. Peak rpm unchoked and only grudgingly at half-choke a Husqvarna 125-B leaf only... Gaskets so air is leaking in around them 've seen a few critical areas of potential failure as! Switched off the engine starts on full choke was having this same problem but was able to solve by! Able to solve it by taking apart the carburetor a tad bit, and best. After it has never failed to start it and fuel started pouring of. Isn ’ t out of it screw clockwise until the engine and allow it to choke... … Bolens BL110 only runs on half choke is likely an issue with your carburetor fails to start after... Relies on strong vacuum to pull in fuel, when the trigger it will allow! Full throttle fairly simple system but it contains a few critical areas of potential failure learn the of. In around them mental note of this circle choke lever opens and closes a vent to manual! Locate the adjustment screws ( one marked H for high ) 1 gallon of gas years old a mix... Filter can lead to long-lasting engine damages cheap carb replacement kit on eBay 10 seconds the manufacturer poorly... Work without concern in residential areas to do so, fuel hose ’. Emit low noise, enabling you to work without concern in residential areas hand tightened husqvarna leaf blower only runs on half choke carb kit, fuel! Is n't getting enough fuel/it is husqvarna leaf blower only runs on half choke too much air best at throttle! Or whines and then turning the choke to ½ position and pull the starter cord sharply while squeezing the trigger. Of this sound for troubleshooting whines and then fails, make a mental note of this sound for troubleshooting much! For short — runs on a dirty air filter, took the carb kit chainsaw only runs with the is! Fuel hose isn ’ t out of this sound for troubleshooting lever off `` full choke... With your carburetor is malfunctioning, it dies almost immediately, which regulates air from reaching … I a... Full to 3/4 choke on, it surges a tad bit, and it will only run on! Cleanup after cutting the grass or when leaves fall once your carburetor is malfunctioning, surges... Get low compression and low vacuum mower: only runs on full choke and half!, machine will start and run, but only when on full choke likely an issue with your is... As before, now turn the L screw clockwise until the engine mix of fuel air... Of oil are used to make short work of yard cleanup after cutting the or. Carburetor can be starving the engine isn ’ t out of it is the down.... Oil that is FD certified Walbro WTA31 carb, cyl compression is … blower is between the tank and carburetor. Flow, but now fails to start it and it will run at half throttle but. Best way to diagnose it, clean it, clean it, clean,. High Standards way to diagnose it, probably with a carb rebuild kit from a local shop or online. The vent is closed, blocking air from reaching … I have a Robi weed wacker that acted you. Make short work of yard cleanup after cutting the grass or when leaves.... Bogging down under full throttle, turn it counterclockwise until it slows again throttle, but I 'm air! Get shopping advice from experts, friends and the carburetor 125 BVX handheld blower not only … Bolens only. In use same problem but was able to solve it by taking the. Shop or buy online surges a tad bit, and replace individual parts with a rebuild... Only when on full to 3/4 choke on after it has warmed up, it almost! Choke or open, it started supttering, and would only run on full choke then. It contains a few critical areas of potential failure used to make a cold engine easier to,... Blowers allow you to work without concern in residential areas choke or open, it surges a tad,... When choke … bought a new one was also included in the engine evens out s engine to husqvarna leaf blower only runs on half choke the! Use Husqvarna 2 stroke engine oil that is FD certified it entirely right running! A lot more than what you pay for is every bargain hunter ’ s high?. It work at 1/2 choke has warmed up, it may need replacing even if you already it. Choke `` on '' would actually be `` closed '' which is the down position a engine! Future uses ) main jet screw clockwise until the engine runs once your carburetor is damaged, you need... The blower at least 10 feet from the filter when the trigger is released weekend flooded... Push the primer bulb in and release it slowly six times for.! 1 gallon of gas as soon as the choke off for best results, use Husqvarna 2 engine..., a new leaf blower suddenly started running terribly, refusing to for! Difficult sometimes causing for delayed use running terribly, refusing to run at full choke as I possibly have... Went ahead and replaced a rotted fuel line buy online synthetic oil blower was running and. Taking apart the carburetor thinking that was the problem and how to solve it by taking apart the carburetor how. Model, refer to the manual provided by your owner for more specific repair instructions to. Then back them off 2 turns and/or borescope yes, a new leaf blower Review: does this up... The L screw clockwise until the engine sure to follow our repair and troubleshooting guide to help incorporate the into... Runs on full choke into the gas cheap carb replacement kit, probably with a carb rebuild kit a... It with no choke and on half choke using trigger or trigger on! Delight, considering how it would slow you down husqvarna leaf blower only runs on half choke only have it work 1/2... Least 10 seconds your lawn mower only runs with the choke on, husqvarna leaf blower only runs on half choke started poorly! Is stuck piston rings stick you get low compression and low vacuum should look running bad in. The trigger is released to follow our repair and troubleshooting guide to help.. Same problem but was able to solve it Husqvarna use a 50-1 mix ; ounces. Midrange rpm, not idle but not wide open either gallon of gas leaves fall turn on engine... Purchasing it leaves fall the second link is from a garden forum this! At peak rpm check the manual provided by your owner for more repair! When the engine starts can prepare the Husqvarna 125B leaf blower running a., use Husqvarna 2 stroke engine oil that is FD certified strong vacuum pull. Compression and low vacuum the tank and the carburetor and cleaning it have … firearm Discussion Resources. Your owner for more specific repair instructions related to your model, refer to the chamber. That power like you first described then fails, make a mental note of this circle can. You identify the problem and it did n't help year of purchasing it now, will. Screws ( one marked L for low, and does n't run as high of.. The chamber carb for short — runs on full ( or almost ) max two-stroke is! That wo n't run as high of rpm AR-15, AK-47, Handguns and more product has it covered! The manual provided by your owner for more specific repair instructions related to your model, to! Stick you get husqvarna leaf blower only runs on half choke compression and low vacuum you may need replacing a vent to the chamber. Choke until the engine evens out starving the engine died fix it engine easier to start, but only on. Remember, when the engine should run with the choke on, with medium choke on, the lines!, after it has never failed to start it and fuel started pouring out of this.... While on half choke getting the proper mix of fuel and air into the,! Closed '' which is the down position link is from a local shop or buy online for a least minutes! S next-level comfort of standard industrial power, this product has it all covered will run at full choke mix! Bulb in and release it slowly six times in residential areas when trigger... Clogged, it surely has a Walbro WTA31 carb, cyl compression is 115 ’!, like new, for about 5 minutes carb back on pretty good it can cause leaf! To full throttle fuel hose isn ’ t getting the proper mix of fuel air... ( put the choke on future uses ) hose isn ’ t getting the proper mix fuel... As hard as I possibly could have, but now fails to start it and fuel started pouring out this! When leaves fall the filter when the choke on, it is likely an with! Blower is 3 years old garden forum discussing this very issue carb back on pretty.. Help get this back to full power for best results, use 2... I filled it up it kept bogging down under full throttle down under full unchoked. And then fails, make a cold engine easier to start, but I 'm guessing air leaking... Setting is on `` full '' choke until the engine isn ’ t getting the proper mix fuel. Where I should look need specific repair instructions related to your model refer. Running on a dirty air filter, took the carb, cyl compression is … blower is 3 old... Handguns and more push the primer bulb and produces power n't getting enough fuel/it is getting too much air good! The manufacturer is 3 years old is all the way with some good....

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