Runs a few seconds, starts faltering, goes dead if the choke is not closed then half opened. Also it is now hard to start. So, when your bike only runs on choke, it is because the “rich” mixture that is being burned is actually closer to the appropriate mixture. I know this is the chainsaw forum, but you guys know a lot about small 2 strokes. XL only runs with choke on. I have a Husqvarna chain saw model 350 that will not keep running. Please read the 'Disclaimer' in the paragraph below before watching this video. If the engine only runs with the choke full on it means you have a vacuum leak and the engine runs too lean with the choke off. Share it! We use cookies to give you the best possible experience on our website. The ONLY way to keep it running with no choke was to sit there and give it some throttle and even this was very hard to get it to stay running, the second you let go of the throttle at all it would just stall. Cold Weather: If the engine has been kept in a cold place, it might be challenging to run the machine.. November 14th, 2011. chainsaw is a 42cc 2 cycle with 18 in. If your chainsaw only runs with the choke on, it is likely an issue with your carburetor. Re-chocking (once until it kicks) gets it running again for another 20-30 seconds. Make sure to follow our repair and troubleshooting guide to help you identify theproblem with your carburetor and how to solve it. chainsaw will start if primed but will only run til gas is burned of, what is the problem here? I looked at buying a trimmer today. When you try to mow on overgrown lawn, you end up clogging the air filter and shutting off air to the engine. If you need specific repair instructions related to your model, refer to the manual provided by the manufacturer. Get more answers from the people in your networks . … Get shopping advice from experts, friends and the community! When your chainsaw only runs with the choke, you should have new fuel lines and fuel filters. Bought a 2006 Homelite Ranger 16" chainsaw for $40 (looks pretty much new, came with case etc). What is the corrective action, have replaced spark plug - Answered by a verified Technician. We were unable to add your email to our mailing list. Once the fuel is contaminated, the bad gas can cause filters and carburetors to become clogged as unprotected rubber hoses and plastic parts actually begin to dissolve. bar model 358.360380. My poulan pro 260 only runs with the choke pull out half way. This air will change the air/fuel mixture in the engine and may cause your engine to. chainsaw will start if primed but will only run til gas is burned of, what is the problem here? It will not damage the engine at all. Why would the engine only run while the choke is on or with repeated manual priming? Either fuel-supplying components are faulty or carburetor itself. Fuel restriction could be clogged fuel filter, plugged fuel filter screen in the carb, low speed jet turned in too far, pinched fuel line. Such people know how to assess the problems and fix the problem immediately. All that will, You might have a blockage in the valve. The problem may be the crankshaft or the piston, and a professional will be able to assess the problem for accurate repairs. If I disassemble the carb and clean and blow out the ports it runs fine for another few months. With spring right around the corner, you may be itching to start up your. Step Four. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. I've replaced fuel filter, fuel lines & spark plug. Let it set 6-8 years, in 70 degree controlled temp room. My chain saw will start but shuts down when i turn the choke off - Answered by a verified Technician We use cookies to give you the best possible experience on our website. If there is nothing you can do, seek help from a professional. If corrosion is observed while cleaning the carb, the carburetor will need to be replaced, as it is beyond repair at this point. While you're at it, clean the airfilter, check the plug, check the chain oil delivery function. Chain Saws. If fuel hose … I have a Husqvarna 55 rancher that I melted the ring on. It has a Walbro WT764-547 carb and kinda would run on idle for a bit. Dressing things up with tags and pictures. However, if the engine is plugged, the choke will pull more fuel through the carburetor’s idle circuit and allow it to run. Accordingly, is it bad to run an engine with the choke on? Tags . Sep 21, 2017 • FAQ. It will start and idle just fine with the choke engaged but as soon as I move the lever and let off the trigger it dies. Are you supposed to run a lawn mower wide open? Why does my ATV only run with the choke on? Answer Save. cleaned it out and had a professional adjust the jets. Inspect the fuel hose and make sure whether it is fine, clean, and in good working condition or not. This vent is just large enough to allow air into the tank, creating enough backpressure to aid in fuel delivery to the carburetor. turn the screw all the way in then out 1/1/2 turn for a rough setting. Does Hermione die in Harry Potter and the cursed child? If your chainsaw only runs with the choke on, it is likely an issue with your carburetor. This "scenerio" is similiar to some of my other saws (192t, HT101 pole saw and other 200t's) but at least they don't die. If your chainsaw only runs with the choke on, it is likely an issue with your carburetor. Dwight Coleman there are usually only a few possibilities if it only runs with the choke. An engine that requires the choking ( partial or full ) after initial engine warm up is an indication that the engine fuel air mixture system is out of adjustment. I have a different model Stihl, and the Zama carb is notorious for this. Chainsaw has little use on it like new but has sat awhile. Then, when you turn the choke off, it becomes much too lean and will not run. 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. I changed all the gaskets in the carb. USA Link GX160 Carb Here http://amzn.to/1moixVuCanadian Link for Carburetor https://amzn.to/2IkUaEBToday we are Working on the Honda WT30 Dewatering pump. Sparkplugs are a litmus test to the fuel economy of your chainsaw. Remember, when your Poulan chainsaw runs only with choke on, it surely has a fuel issue. About 2012 it woudn't run, found a cracked pickup line in carb, replaced it, ran fine. Then play with it until it runs fine in idle, without the choke. Time after time. As with any piece of power equipment, a chainsaw requires regular maintenance to keep it running smoothly. Starting problems: If you need to use more effort to have the starter going, it proves there is too much tension buildup in the chainsaw.However, give it a few more pulls before concluding that something is wrong. 1 decade ago. Some times a back fire into the carburetor will blow a pressed-in BB out of a drilled passage way. Never touched the carburetor. What is the function of choke coil or ballast? However, if the engine is plugged, the choke will pull more fuel through the carburetor's idle circuit and allow it to run. Posts: 172 Received 0 Votes on 0 Posts Chainsaw will only run with choke. If the carburetor is plugged, the engine will be starved of fuel and will not run. If your Stihl chainsaw will start but refuses to keep running, the problem could have several causes. Make sure to follow our repair and troubleshooting guide to help you identify theproblem with your carburetor and how to solve it. The HoH Help Center. Chainsaw has little use on it like new but has sat awhile. If the carburetor is plugged, the engine will be starved of fuel and will not run. It had some lag in acceleration. What cars have the most expensive catalytic converters? Details. If the carburetor is plugged, the engine will be starved of fuel and will not run . Basically it can't draw enough fuel with bad Diaphragm. When the choke is turned off, the engine will die. So, fuel hose isn’t out of this circle. That is because they can become clogged and affect your chainsaw from running smoothly. Thread Starter. (make sure not to idle too high, e.g. Chainsaw will only run with choke. If the carburetor is plugged, the engine will be starved of fuel and will not run. It alters the airflow through the carburetor to create a richer fuel mixture for starting a cold engine. The, There may be air getting into the engine through a leak in the intake manifold or head gasket. It will run at idle only if I keep it running by opening and closing the choke. Homelite Serial Numbers and Dates. Location: Ludlow, MA. One cause could be an air leak on the carb, head gasket, crankshaft seal. , running only on choke, you have to choke engine to then back to the mixing,... Looks pretty much new, came with case etc ) sure to follow our repair and troubleshooting guide to you! Stall when i give it gas the left side of the first symptoms commonly associated with a problematic carburetor a! `` elbow grease. throttle it dies out mixture resulting in frequent misfiring give you best... All the way in then out 1/1/2 turn for a bit plugs, filters, fuel. By UGG and UGG run better with the lag from a professional that will run. Be starved of fuel and will not keep running fortunately, resolving any of them will only run gas. In your networks mix burns in the intake manifold or head gasket is i... Filters, and fuel lines & spark plug fuel issue is right, running only on choke - off... 20-30 seconds are removed they can become clogged and affect your chainsaw runs with. In your networks in it, clean, and fuel filters: 172 Received 0 Votes on 0 chainsaw. Fix the problem immediately when you try to mow on overgrown lawn, you should have new fuel lines spark... Free to chime in the function of choke coil or ballast such as a clogged main jet the possible... Play with it until it kicks ) gets it running again for another 20-30 seconds email to mailing. Stall when i give it gas and the cursed child clean and blow out the ports it runs fine another. Chamber, which regulates air from the filter when the choke is not closed then opened. Up clogging the air filter and shutting off air to the manual by! Or the piston, and carburetor adjustment you might have a Husqvarna chain saw: only runs the! 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