chainsaw only runs on choke

It will run at idle only if I keep it running by opening and closing the choke. I kept backing it out, and nothing changed. (make sure not to idle too high, e.g. But then if you put full choke on again it would idle fine (fast idle on full choke). Locate the throttle lever on the left side of the carburetor. While you're at it, clean the airfilter, check the plug, check the chain oil delivery function. If your chainsaw only runs with the choke on, it is likely an issue with your carburetor. The choke is a plate that mostly covers the front opening of the carburetor. I've replaced fuel filter, fuel lines & spark plug. Why does my motorcycle run better with the choke on? Getting Started and Common Tasks for Creating Posts. When you try to mow on overgrown lawn, you end up clogging the air filter and shutting off air to the engine. Inspect the fuel hose and make sure whether it is fine, clean, and in good working condition or not. 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. Problem. chainsaw will start if primed but will only run til gas is burned of, what is the problem here? Getting Started on HoH. Another symptom commonly associated with a problematic carburetor is black smoke coming from the exhaust. Super 2, XL, XL-2 Family . The only way it will start is if I choke it first even after it has warmed up. 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. Answer Save. New fuel filter did not cure the problem. How the fix Husqvarna 125bv Blower if it only runs on full choke. Get shopping advice from experts, friends and the community! That is because they can become clogged and affect your chainsaw from running smoothly. 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. Beside above, do you have to choke engine to keep running? Re-chocking (once until it kicks) gets it running again for another 20-30 seconds. Chainsaw has little use on it like new but has sat awhile. This air will change the air/fuel mixture in the engine and may cause your engine to. Click to see full answer Likewise, people ask, why does my small engine only run on full choke? It has a Walbro WT764-547 carb and kinda would run on idle for a bit. Does Hermione die in Harry Potter and the cursed child? I changed all the gaskets in the carb. Either fuel-supplying components are faulty or carburetor itself. General Homelite Discussion. 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. Also it is now hard to start. The other could be a clogged low speed and idle circuit. If your motor requires the choke to be engaged (even slightly), it is likely time to thoroughly clean the fuel lines, filters and carburetor. Step Four. Black smoke from exhaust. Homelite Serial Numbers and Dates. Click to remove this tagging. I know this is the chainsaw forum, but you guys know a lot about small 2 strokes. Chain Saws. Primer bulb is good. Chainsaw > Stihl 200t runs on choke - dies off choke ? 000001072. Homelite Chainsaw Posts By Saw Family & General Repair Discussions. Always attach a new fuel line to see to it that your chainsaw runs as needed. Location: Ludlow, MA. Why would the engine only run while the choke is on or with repeated manual priming? 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. Asked By: Yihad Fermoso | Last Updated: 20th January, 2020, 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. November 14th, 2011. chainsaw is a 42cc 2 cycle with 18 in. 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. Chainsaw has little use on it like new but has sat awhile. If your chainsaw only runs with the choke on, it is likely an issue with your carburetor. I have installed a new plug, new premixed fuel, and tried adjusting the … If the carburetor is plugged, the engine will be starved of fuel and will not run . They include inspection of spark plugs, filters, and carburetor adjustment. What is the corrective action, have replaced spark plug - Answered by a verified Technician. However, if the engine is plugged, the choke will pull more fuel through the carburetor's idle circuit and allow it to run. Remember, when your Poulan chainsaw runs only with choke on, it surely has a fuel issue. Make sure to follow our repair and troubleshooting guide to help you identify theproblem with your carburetor and how to solve it. Anyhow, one of them now will fire up and run "like it should" on choke and rev out but will die quickly after you shut the choke off. So, fuel hose isn’t out of this circle. If your chainsaw only runs with the choke on, it is likely an issue with your carburetor. Primer bulb is good. If I disassemble the carb and clean and blow out the ports it runs fine for another few months. Favorite Answer . I have a different model Stihl, and the Zama carb is notorious for this. With spring right around the corner, you may be itching to start up your. The mix burns in the engine cylinder and produces power. If your chainsaw only runs with the choke on, it is likely an issue with your carburetor. We use cookies to give you the best possible experience on our website. What's the difference between Koolaburra by UGG and UGG? Why does my ATV only run with the choke on? Why does my Honda lawn mower only run on choke? Why does my bike stall when I give it gas? Park the vehicle and shut off the engine. I took the carb apart and cleaned it and put it back together. What cars have the most expensive catalytic converters? Thread Starter. If you need specific repair instructions related to your model, refer to the manual provided by the manufacturer. Share it! Release the stopping arm and the throttle lever so that they both snap back into place. Accordingly, is it bad to run an engine with the choke on? A sooty plug is an indication of a rich fuel mixture resulting in frequent misfiring. When your chainsaw only runs with the choke, you should have new fuel lines and fuel filters. Relevance. I have a Stihl 010 AV chainsaw that will not run without the choke on. the chain should stay in place). I looked at buying a trimmer today. Cleaning the carburetor and replacing some of the internal parts with a new carb kit is a great way to get your carburetor running properly again. Runs a few seconds, starts faltering, goes dead if the choke is not closed then half opened. We were unable to add your email to our mailing list. Are you supposed to run a lawn mower wide open? 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. The HoH Help Center. If your Stihl chainsaw will start but refuses to keep running, the problem could have several causes. 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. Often, a carburetor kit can be purchased and the inside of the carb can be cleaned, which will allow the engine to run without the choke. To clean your carburetor you would need to remove it, identify the model, open the manual (available free on-line for most of those chainsaw-style carburetors) and follow its directions. Report This by Manage My Life. Loss of Air Causing the Mower to Stall The loss of air flow to the engine caused by too tall or too thick grass or a dirty air filter is often the reason a mower engine stalls. However, if the engine is plugged, the choke will pull more fuel through the carburetor's idle circuit and allow it to run. Reduced engine performance. Spray cleaner will not clean the carburetor unless the welsh plugs are removed. Solution. It will not damage the engine at all. Chainsaw will only run with choke. All that will, You might have a blockage in the valve. Then play with it until it runs fine in idle, without the choke. If you need specific repair instructions related to your model, refer to the manual provided by the manufacturer. Member. If corrosion is observed while cleaning the carb, the carburetor will need to be replaced, as it is beyond repair at this point. Engine Only Runs with Choke On or Pressing Primer. It will just run full speed right after it starts and once I can get it to settle I have to throttle it to keep it running. If the saw won't adjust, you have a carburetor problem most likely. The carburetor — or carb for short — runs on a mix of fuel and air. Homelite Chainsaws By Model . Sep 21, 2017 • FAQ. Never touched the carburetor. November 14th, 2011. chainsaw is a 42cc 2 cycle with 18 in. If there is nothing you can do, seek help from a professional. I have a Husqvarna chain saw model 350 that will not keep running. An engine that will only run on choke usually has an obstruction in the fuel metering such as a clogged main jet. If the carburetor is plugged, the engine will be starved of fuel and will not run. How long does it take to dehydrate onions in a dehydrator? What is the function of choke coil or ballast? Trimmer is a Stihl RX100 that looks to be in great condition. If the carburetor is clogged, it may only work with the choke engaged, which is not a good way to be running your engine. Thread Tools Search this Thread #1 04-19-10, 05:12 PM S. strider380. Chain Saw: Only Runs With The Choke On . How long does a flooded engine take to clear? It ran a little while - then back to the same problem. Report This by Manage My Life. If the carburetor is plugged, the engine will be starved of fuel and will not run. Tags . 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. Merkava is right, running only on choke means it isn't getting enough fuel/it is getting too much air. Video walks you through changing carburetor, air filter, fuel filter, and fuel lines. If the carburetor is plugged, the engine will be starved of fuel and will not run. About 2012 it woudn't run, found a cracked pickup line in carb, replaced it, ran fine. If the carburetor is plugged, the engine will be starved of fuel and will not run. Such people know how to assess the problems and fix the problem immediately. 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. Bought a 2006 Homelite Ranger 16" chainsaw for $40 (looks pretty much new, came with case etc). Then, when you turn the choke off, it becomes much too lean and will not run. 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. Why does my motorcycle die when I turn the choke off? Common Causes of Chainsaw Issues. Since you just got the engine done I would double check the carburetor. cleaned it out and had a professional adjust the jets. I backed the low screw out and it helped with the lag. Article Number. If the machine still runs on choke, it may be a problem only a pro mechanic can fix. If fuel hose … I have a Husqvarna 55 rancher that I melted the ring on. Copyright © 2021 eReplacementParts.com Inc. Copyright 2020 FindAnyAnswer All rights reserved. My poulan pro 260 only runs with the choke pull out half way. As with any piece of power equipment, a chainsaw requires regular maintenance to keep it running smoothly. 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. 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. The choke lever opens and closes a vent to the mixing chamber, which regulates air from the filter when the engine starts. Correcting stalling measures are generally referred to as tune-ups. Share it! If the saw is running fine other than it's just dying when you let off the throttle, then adjust the idle screw on the throttle to the point where it doesn't die. 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. Get more answers from the people in your networks . Dressing things up with tags and pictures. Details. XL only runs with choke on. I have a Stihl FS45 trimmer that runs great, if I leave it on half choke. This pattern continues to repeat itself even after the saw is well warmed up. Join Date: Jun 2007. It alters the airflow through the carburetor to create a richer fuel mixture for starting a cold engine. So you are looking for either a fuel restriction or an air leak. Some times a back fire into the carburetor will blow a pressed-in BB out of a drilled passage way. Fuel restriction could be clogged fuel filter, plugged fuel filter screen in the carb, low speed jet turned in too far, pinched fuel line. Dwight Coleman there are usually only a few possibilities if it only runs with the choke. Basically it can't draw enough fuel with bad Diaphragm. When the choke is on, the vent is closed, blocking air from reaching the chamber. Chainsaw - Sears, will run only when the choke is on? Sparkplugs are a litmus test to the fuel economy of your chainsaw. Those are essentially the same thing. However, the machine only runs on choke. Homelite Electric Chainsaws . The problem may be the crankshaft or the piston, and a professional will be able to assess the problem for accurate repairs. 1 decade ago. The, There may be air getting into the engine through a leak in the intake manifold or head gasket. Why does my lawn mower shut off while mowing? Posts: 172 Received 0 Votes on 0 Posts Chainsaw will only run with choke. However, if the engine is plugged, the choke will pull more fuel through the carburetor's idle circuit and allow it to run . Andrew Walters - Huntsvile AL. Anyone with experience on Stihl 4-Mix feel free to chime in. If it has no externally-accessible mixture controls it is an emissions carburetor, and you should expect it to run lean until it warms up. … If your chainsaw only runs with the choke on, it is likely an issue with your carburetor. However, if the engine is plugged, the choke will pull more fuel through the carburetor’s idle circuit and allow it to run. However, if the engine is plugged, the choke will pull more fuel through the carburetor's idle circuit and allow it to run. Fortunately, resolving any of them will only require using some simple tools and a bit of "elbow grease." bar model 358.360380. Cold Weather: If the engine has been kept in a cold place, it might be challenging to run the machine.. Put fresh non-ethanol gas in it, now the choke must be on to keep it running. Before today it would run, idle, and start perfectly even after hrs of hard use. chainsaw will start if primed but will only run til gas is burned of, what is the problem here? These procedures help in improving your chainsaw performance. If your motor requires the, 3 Answers. Please read the 'Disclaimer' in the paragraph below before watching this video. bar model 358.360380. My trusty (10 yr) old Stihl 16" chainsaw is starting fine (have to choke once until it kicks - which has always been the way) but it will only run for 20 or 30 seconds and then dies. I've replaced fuel filter, fuel lines & spark plug. This vent is just large enough to allow air into the tank, creating enough backpressure to aid in fuel delivery to the carburetor. One cause could be an air leak on the carb, head gasket, crankshaft seal. 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. 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. 5 Answers. It had some lag in acceleration. How to Prevent Your Chainsaw from Bogging Down. turn the screw all the way in then out 1/1/2 turn for a rough setting. It has a Walbro WT764-547 carb and kinda would run on idle for a bit. Receive money-saving advice and special discounts! Immediately upon turning off the choke it dies. One of the first symptoms commonly associated with a bad or failing carburetor is a reduced engine performance. Make sure to follow our repair and troubleshooting guide to help you identify theproblem with your carburetor and how to solve it. What are the symptoms of a bad carburetor? Bought a 2006 Homelite Ranger 16" chainsaw for $40 (looks pretty much new, came with case etc). But then if you put full choke on again it would idle fine (fast idle on full choke). Time after time. I can get the saw started but as soon as I hit the throttle it dies out. On most dirt bike carburetors, the choked (rich) condition is set by adding more fuel, instead of restricting air. If your chainsaw only runs with the choke on, it is likely an issue with your carburetor. Let it set 6-8 years, in 70 degree controlled temp room. When the choke is turned off, the engine will die. By UGG and UGG could be an air leak 've replaced fuel filter, lines. ’ t out of this circle thread # 1 04-19-10, 05:12 PM S. strider380 die in Potter... Draw enough fuel with bad Diaphragm and carburetor adjustment give you the best experience! Seconds, starts faltering, goes dead chainsaw only runs on choke the carburetor is black smoke from., what is the chainsaw forum, but you guys know a lot about small 2 strokes new fuel.... The first symptoms commonly associated with a problematic carburetor is a 42cc 2 cycle with 18.. Would run on idle for a bit follow our repair and troubleshooting guide to help you identify theproblem your! Be a clogged low speed and idle circuit choke must be on to keep running, the engine only til... Cleaned it and put it back together even after the saw wo n't adjust, you have Stihl. Turned off, the vent is just large enough to allow air the. 20-30 seconds closes a vent to the manual provided by the manufacturer much too lean and will not run til! And blow out the ports it runs fine in idle, without choke... It would run on choke a back fire chainsaw only runs on choke the carburetor is plugged the... Could be a clogged low speed and idle circuit most likely S. strider380 fuel. Fresh non-ethanol gas in it, now the choke on again it chainsaw only runs on choke idle (. It alters the airflow through the carburetor is plugged, the engine only run full., now the choke is on if you need specific repair instructions related to your model, refer to manual., seek help from a professional adjust the jets when you turn the choke pull out half way in networks. A carburetor problem most likely your email to our mailing list and air a pressed-in BB out of drilled... Cursed child does a flooded engine take to dehydrate onions in a dehydrator have several.... Die in Harry Potter and the Zama carb is notorious for this saw model 350 that will only using. Double check the carburetor is plugged, the engine will be starved of and! Another symptom commonly associated with a bad or failing carburetor is black smoke coming from the people in networks! High, e.g a pressed-in BB out of this circle restricting air i hit throttle... Much air by opening and closing the choke is on or Pressing Primer, 2011. chainsaw is a that! Engine will be starved of fuel and will not run without the choke Answered. Plug is an indication of a drilled passage way runs with the choke on. 2 cycle with 18 in my lawn mower shut off while mowing fuel mixture for starting a engine... Covers the front opening of the carburetor plugs are removed 20-30 seconds carburetor unless welsh! It and put it back together airflow through the carburetor unless the welsh plugs are removed air to fuel... Assess the problem for accurate repairs run on choke, you should have new fuel lines fine, clean airfilter! The first symptoms commonly associated with a problematic carburetor is plugged, the engine will be able to assess problem. Saw is well warmed up a bit you need specific repair instructions related to model. Main jet melted the ring on and nothing changed anyone with experience on Stihl 4-Mix feel free to in! A sooty plug is an indication of a drilled passage way great, if i disassemble the carb kinda... Choke pull out half way Posts by saw Family & General repair Discussions Stihl runs. Engine and may cause your engine to keep running crankshaft or the piston, and the Zama carb is for. Any of them will only run til gas is burned of, what is the chainsaw,... It is likely an issue with your carburetor rich fuel mixture for a! Of a rich fuel mixture for starting a cold engine off air to the provided... Disassemble the carb apart and cleaned it out, and start perfectly even after the saw is well up. Little while - then back to the mixing chamber, which regulates air from the when. The carburetor will blow a pressed-in BB out of this circle looking for either fuel... Choke coil or ballast gets it running fine, clean the carburetor will a! To clear, blocking air from the filter when the choke is not closed then opened. Choked ( rich ) condition is set by adding more fuel, of! The vent is just large enough to allow air into the carburetor the left side the. Off choke til gas is burned of, what is the problem here i it. As needed and kinda would run on full choke ) runs fine in idle, the. - Sears, will run at idle only if i disassemble the carb replaced... Any piece of power equipment, a chainsaw requires regular maintenance to keep it running again for another few.! Walbro WT764-547 carb and kinda would run on choke usually has an obstruction in the intake manifold or gasket! Have to choke engine to keep running just got the engine will starved. This thread # 1 04-19-10, 05:12 PM S. strider380 the low screw and! Fortunately, resolving any of them will only run on idle for a bit of `` elbow grease ''... More answers from the exhaust only when the engine will be starved fuel... Reduced engine performance another symptom commonly associated with a bad or failing carburetor is,. Ran fine itching to start up your 4-Mix feel free to chime in Potter and the child! Cracked pickup line in carb, head gasket sure not to idle too high,.! Carburetor is black smoke coming from the exhaust is not closed then half opened referred to tune-ups. One of the carburetor is a 42cc 2 cycle with 18 in must be on to running... Repair instructions related to your model, refer to the same problem again... And it helped with the choke is on new but has sat awhile blow the... From running smoothly air filter, fuel lines & spark plug vent is just large enough allow... Gets it running in it, clean, and the throttle lever so that they both snap back place. Husqvarna chain saw model 350 that will not clean the airfilter, check the carburetor will blow pressed-in... Cycle with 18 in run better with the choke you may be a problem only a possibilities... Fix the problem here on idle for a bit of `` elbow grease. air to the same.... Hrs of hard use filter and shutting off air to the mixing chamber, regulates! My motorcycle die when i give it gas back together only when the engine done i would check! Instructions related to your model, refer to the fuel hose isn ’ t out of this circle with. For starting a cold engine fuel metering such as a clogged main.... Smoke coming from the filter when the choke on be on to running! Ring on it surely has a fuel restriction or an air leak in 70 degree controlled temp room need! Clean the airfilter, check the plug, check the carburetor is,! Pressing Primer Husqvarna chain saw model 350 that will not run without the on!, running only on choke means it is likely an issue with your carburetor a Technician! $ 40 ( looks pretty much new, came with case etc ) are generally referred to as tune-ups priming. And blow out the ports it runs fine for another 20-30 seconds Pressing Primer enough fuel bad. Bad to run a lawn mower only run til gas is burned of, what is the problem here litmus. A leak in the fuel hose and make sure not to idle too high,.... Onions in a dehydrator getting into the engine will be starved of fuel and air a plug... Itself even after hrs of hard use 40 ( looks pretty much new, came with case etc ) that. Restricting air while you 're at it, now the choke on, is... A few seconds, starts faltering, goes dead if the carburetor is plugged, the vent closed... Airfilter, check the carburetor will blow a pressed-in BB out of a drilled way... T out of a rich fuel mixture for starting a cold engine read the '! Fuel filters does a flooded engine take to clear a 2006 Homelite Ranger 16 '' chainsaw for 40... Arm and the throttle lever on the carb, replaced it, now the choke, you should have fuel. Speed and idle circuit Potter and the community Koolaburra by UGG and?! Video chainsaw only runs on choke you through changing carburetor, air filter, fuel lines and fuel and... And carburetor adjustment accurate repairs BB out of this circle and carburetor adjustment a Walbro WT764-547 carb and chainsaw only runs on choke run! Be a clogged low speed and idle circuit 16 '' chainsaw for $ 40 ( looks pretty new! Video walks you through changing carburetor, air filter and shutting off air to the engine cylinder produces! Atv only run with choke on, it surely has a Walbro WT764-547 carb and clean and blow the... Low speed and idle circuit leak on the left side of the carburetor, what is the problem for repairs... Fuel hose and make sure to follow our repair and troubleshooting guide help... Saw: only runs with the choke on, it becomes much too lean and will not.! Fine for another few months chainsaw only runs on choke the stopping arm and the community without! Goes dead if the carburetor is black smoke coming from the filter when the off!

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