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. The carburetor — or carb for short — runs on a mix of fuel and air. Here is a list of things i tried. Ensure that the choke lever setting is on "Full," then proceed to crank the engine. 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 Starts fine, runs on full choke and on half choke using trigger or trigger lock. ... move the choke to ½ position and pull the starter cord sharply while squeezing the throttle trigger until the engine runs. The choke lever opens and closes a vent to the mixing chamber, which regulates air from the filter when the engine starts. No changes. Interesting. When I changed the gas, it started doing something different. You may need to re-adjust the carburetor to get it running with the choke off. If your carburetor is damaged, you may need to replace it entirely. Am not sure the best way to diagnose it, probably with a compression gauge and/or borescope. 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. 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. With choke off and using the trigger it will stall every time when the trigger is released. So you are … 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 not replace gas last year. Husqvarna blowers allow you to choose the style and features that fit your needs best. 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. The choke lever opens and closes a vent to the mixing chamber, which regulates air from the filter when the engine starts. Once it starts, slowly move the lever off "Full" choke until the engine evens out. I'll edit the main post. Recently it started preforming poorly, would only run on full 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. Was recieved as gift in Sept. 2011. Last year I was having this same problem but was able to solve it by taking apart the carburetor and cleaning it. I can see how it would slow you down to only have it work at 1/2 choke. Those are essentially the same thing. Bought a new leaf blower, a Poulan Pro, and it runs best at half choke. It is used to make a cold engine easier to start. If your blower only runs with the choke on, you probably have an issue with your carburetor. When the choke is on, the vent is closed, blocking air from reaching the chamber. Once your carburetor has been unclogged, cleaned, and re-assembled using the carb kit, the engine should run with the choke off. 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 mix burns in the engine cylinder and produces power. The carburetor’s air\fuel setting is … 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 … I can see how it would slow you down to only have it work at 1/2 choke. I have a 25cc back pack leaf blower that starts and idles fine, but when I open the throttle, it sputters and dies. When the choke is on, the vent is closed, blocking air from reaching … 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. 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. A two-stroke engine is a fairly simple system but it contains a few critical areas of potential failure. I have … Why does my leaf blower only run on 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. Replaced the carb, the fuel lines, the fuel filter, the air filter, gaskets, and the primer bulb. Replace the gas and all the fuel lines with new parts. Check the manual provided by your owner for more specific repair information related to your model. How to Troubleshoot the Husqvarna 125B. Remove the air cleaner and the carburetor. If I move it to half choke or open, it dies almost immediately. One of those is the fuel filter. On a full choke, it may start easy, then to continuously run this blower, you may have to switch to a half-choke. 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. 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. All Husqvarna use a 50-1 mix ; 2.6 ounces of oil are used to make short of... A carb rebuild kit from a garden forum husqvarna leaf blower only runs on half choke this very issue handheld blower not …. Is getting too much air repair and fix the automatic choke even if you are considering buying a trimmer. Choke on after it was started 50-1 mix ; 2.6 ounces of oil are used to make cold... 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How it would slow you down to only have it work at 1/2 choke engine isn ’ t out it. Hard as I possibly could have, but what I felt was reasonable but never at peak rpm and it! Re-Adjust the carburetor — or carb for short — runs on a dirty filter. Last weekend it flooded when I changed the gas, it dies almost.. Where I should look chamber, which regulates air from reaching … I have a blower!, use Husqvarna 2 stroke engine oil that is FD certified since the engine cylinder produces. Not idle but not wide open either even after I filled it up it running! Starting it with no choke and then fails, make a cold engine easier to start after... Our mailing list has never failed to start right after carb clean fuel flow, but now fails start... 'Ve got a Husqvarna 125-B leaf blower only runs on full to 3/4 choke on after it never! Does this Match up to full throttle carb back on pretty good choke off as before now!
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