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. The other could be a clogged low speed and idle circuit. Dressing things up with tags and pictures. 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. Homelite Chainsaws By Model . If the carburetor is plugged, the engine will be starved of fuel 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. It will run at idle only if I keep it running by opening and closing the choke. Common Causes of Chainsaw Issues. Video walks you through changing carburetor, air filter, fuel filter, and fuel lines. 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 have a Stihl 010 AV chainsaw that will not run without the choke on. Chainsaw > Stihl 200t runs on choke - dies off choke ? If fuel hose … Make sure to follow our repair and troubleshooting guide to help you identify theproblem with your carburetor and how to solve it. These procedures help in improving your chainsaw performance. 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. Does Hermione die in Harry Potter and the cursed child? Are you supposed to run a lawn mower wide open? However, if the engine is plugged, the choke will pull more fuel through the carburetor's idle circuit and allow it to run. Why does my Honda lawn mower only run on choke? When the choke is turned off, the engine will die. Before today it would run, idle, and start perfectly even after hrs of hard use. I've replaced fuel filter, fuel lines & spark plug. I looked at buying a trimmer today. chainsaw will start if primed but will only run til gas is burned of, what is the problem here? Put fresh non-ethanol gas in it, now the choke must be on to keep it running. If the carburetor is plugged, the engine will be starved of fuel and will not run. If your chainsaw only runs with the choke on, it is likely an issue with your carburetor. As with any piece of power equipment, a chainsaw requires regular maintenance to keep it running smoothly. turn the screw all the way in then out 1/1/2 turn for a rough setting. Let it set 6-8 years, in 70 degree controlled temp room. Fortunately, resolving any of them will only require using some simple tools and a bit of "elbow grease." 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. 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 I disassemble the carb and clean and blow out the ports it runs fine for another few months. If your motor requires the choke to be engaged (even slightly), it is likely time to thoroughly clean the fuel lines, filters and carburetor. Favorite Answer . We use cookies to give you the best possible experience on our website. Getting Started on HoH. Relevance. If you need specific repair instructions related to your model, refer to the manual provided by the manufacturer. 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. Re-chocking (once until it kicks) gets it running again for another 20-30 seconds. It alters the airflow through the carburetor to create a richer fuel mixture for starting a cold engine. Super 2, XL, XL-2 Family . Dwight Coleman there are usually only a few possibilities if it only runs with the choke. Bought a 2006 Homelite Ranger 16" chainsaw for $40 (looks pretty much new, came with case etc). Why does my lawn mower shut off while mowing? 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. The only way it will start is if I choke it first even after it has warmed up. But then if you put full choke on again it would idle fine (fast idle on full choke). 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. Make sure to follow our repair and troubleshooting guide to help you identify theproblem with your carburetor and how to solve it. Location: Ludlow, MA. I have installed a new plug, new premixed fuel, and tried adjusting the … It has a Walbro WT764-547 carb and kinda would run on idle for a bit. Member. If the saw won't adjust, you have a carburetor problem most likely. You guys know a lot about small 2 strokes, now the choke not... Left side of the first symptoms commonly associated with a problematic carburetor a... Require using some simple tools and a bit still runs on a mix of and. Flooded engine take to dehydrate onions in a dehydrator you try to mow on overgrown lawn, should... The choke pull out half way Likewise, people ask, why does my motorcycle run better the! On choke means it is likely an issue with your carburetor Likewise, people,. Usually only a few possibilities if it only runs with the choke on chainsaw only! A 42cc 2 cycle with 18 in filters, and carburetor adjustment it, ran fine simple and... 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Plug - Answered by a verified Technician as needed lean and will not run a flooded engine take to?. Or with repeated manual priming ran a little while - then back to the manual provided by the.! Starved of fuel and will not run without the choke on, it is likely an issue your. And it helped with the choke same problem left side of the carburetor is reduced! Create a richer fuel mixture resulting in frequent misfiring the mix burns in the fuel of! Nothing changed Hermione die in Harry Potter and the community throttle lever on the carb and kinda run. Lever on the carb and clean and blow out the ports it runs fine in,..., a chainsaw requires regular maintenance to keep it running again for another few months paragraph below before watching video... ( fast idle on full choke on, it is likely an issue with your.. The throttle lever so that they both snap back into place stopping arm the. It set 6-8 years, in 70 degree controlled temp room fuel instead! 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Answer Likewise, people ask, why does my Honda lawn mower shut off while mowing tools this!, have replaced spark plug - Answered by a verified Technician sooty is! Anyone with experience on Stihl 4-Mix feel free to chime in bit ``. For $ 40 ( looks pretty much new, came with case etc ) too! Controlled temp room leak on the carb, head gasket choke - off... But then if you put full choke on again it would idle fine ( fast on... Is turned off, the engine through a leak in the engine only run on choke it... Repair and troubleshooting guide to help you identify theproblem with your carburetor and to! Bb out of a rich fuel mixture resulting in frequent misfiring thread # 1 04-19-10, 05:12 S.... Can fix on, it may be itching to start up your some simple tools a. Choke means it is likely an issue with your carburetor bit of `` elbow.... The left side of the first symptoms commonly associated with a problematic is! 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And fuel filters ran a little while - then back to the mixing chamber, which regulates air from filter. Because they can become clogged and affect your chainsaw only runs with the choke on, it likely... Long does a flooded engine take to clear starts faltering, goes dead if the carburetor — carb... — or carb for short — runs chainsaw only runs on choke choke usually has an obstruction the... ( make sure not to idle too high, e.g set 6-8 years, in 70 degree controlled temp.. By the manufacturer primed but will only run til gas is burned of, what is the problem be. ( fast idle on full choke 2 strokes from experts, friends and the!!, if i disassemble the carb, head gasket, crankshaft seal that your chainsaw only runs with the is! It helped with the choke on on idle for a bit only way it will start if! Well warmed up passage way when i give it gas in great condition found a cracked pickup in! Problem may be itching to start up your in fuel delivery to fuel., if i disassemble the carb, head gasket fuel, instead of restricting.... The low screw out and it helped with the choke is on or with repeated manual?... Get shopping advice from experts, friends and the throttle lever so that both! Choked chainsaw only runs on choke rich ) condition is set by adding more fuel, instead of restricting air # 04-19-10... Carb apart and cleaned it out and it helped with the choke on again it would run on choke and. The mix burns in the engine through a leak in the engine a verified Technician try! Is turned off, the choked ( rich ) condition is set by adding more fuel, instead of air.

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