We've got millions of parts, hundreds of brands, and thousands of step-by-step videos— everything you need to find it, fix it and finish the job right. Over time, some of the ingredients in the fuel may evaporate, leaving behind a thicker, stickier substance. 2. Posted by 5 years ago. The two-cycle engine that runs your string trimmer needs three things to operate smoothly: clean fuel, air circulation and a spark. If I choke the engine and give a couple of pulls, the engine attempts to start and once I switch to full throttle, it will run for about 3-5 seconds and dies. Never able to get it to run for more than 5 seconds, and I did this for probably 45 minutes. Shipping all 7 days! It's difficult to determine visually whether or not it's blocked, but it's easy and inexpensive to replace. Dies when applying throttle. Get shopping advice from experts, friends and the community! This sticky fuel can clog up the fuel filter and cause the engine to stall. When the engine on a weed trimmer is tilted, it becomes harder for fuel to reach the carburetor. Ryobi x430 - EXPAND-IT 4 cycle power head. In order to get it to run for another 3-5 seconds, I have to choke it again and once again give it a few pulls. I then removed the carb, cleaned all the nozzles, diagphragm etc then refitted and still no good.. it just does not want to run without throttle applied as soon as i lift the hand off the throttle it dies instantly. When the spark arrestor is clogged, the engine can't get rid of its exhaust gases, and it won't keep running. It is stalling on start - I prime it w/ the full choke and it turns over fine, but when I start it w/ partial choke, it runs normally for about 1-2 seconds, then stalls. Since you say it is viewable, I'd suggest it's not uncommon to see it glow orange at high throttle. Try posting a question. As a landscape builder, he helped establish two gardening companies. I have a Ryobi hedge trimmer which has always been a bit tricky to start but after a few extra pulls has always run fine (only had it a year or so and used it maybe 10 times though). Start the trimmer and gently unscrew the gas cap halfway off. It will start and run but when increase to . Ryobi String trimmer starts then stalls. If the carburetor is clogged, try cleaning it with carburetor cleaner. Had the problem one time when I was using it for heavy trimming. A clogged fuel filter is most commonly caused by leaving fuel in the string trimmer for a long period of time. Over time, some of the ingredients in the fuel may evaporate, leaving behind a thicker, stickier substance. Besides having an abiding interest in popular science, Deziel has been active in the building and home design trades since 1975. Next, hold the throttle wide open, and slowly turn in the high speed, until it really starts to smooth out and rev high, and starts screaming, then back this out until it starts to run rough or slows down. No startup time required. The spark arrestor is a small screen that prevents the engine from emitting sparks. Gas string trimmer starts, then dies I've got an 18cc Weedeater Featherlite, the same one Moses used to cut his way through the bullrushes when he crossed the Red Sea, so it's seen some use. Join Repair Clinic's VIP email list for 10% off, plus other discounts and tips! They both start but as soon as they get hot they die. I have a Ryobi hedge trimmer powered by a 2-stroke engine. What Causes a Stihl Weed Trimmer to Smoke? The spark arrestor is a small screen that prevents the engine from emitting sparks. Vocational, Technical or Trade Scho. I have a McCulloch 2 cycle string trimmer, model 2816. Sometimes, the cap itself may be stuck due to malfunction or inside tearing off. Start doing it yourself with the confidence that comes with 100+ years of experience. The fuel filter might be clogged. They are now about 5 years old. If the carburetor is clogged, try cleaning it with carburetor cleaner. The fuel system also includes a filter that can clog. If the air filter is clogged, the engine will get too much fuel and not enough air. You may also replace the spark arrestor. Turn off the engine and remove the gas cap. Then intermittent, but runs very well at half or less speed. The air filter is readily removable, and replacements are inexpensive. When your trimmer starts and runs on choke, it could be because the check valve in the gas cap is clogged. If cleaning the … This trimmer starts just fine however when you squeeze the trigger it either runs very poorly or it just dies. If the engine is still running, that means the gas cap may be the culprit. Each year I change the plug & air filter, plus when I have finished using them I drain & run them dry. I've probably been through this a hundred times with this trimmer and before it's always come down to either something in the filter screen or I did something wrong the last time I put it back together. When I give it some gas it bogs out and dies. 4. I bet this one trimmer has lost them more business than anything ever did before. If the trimmer doesn't run smoothly after doing this, disassemble for a more thorough cleaning. Craftsman Trimmer starts then dies. Consequently, there may be enough fuel in the carburetor to start the engine, but there may not be enough to keep it running. Solution 1: Spark Arrestor. You do not get that mechanical feedback you would get from a gas-powered trimmer. My String Trimmer Starts, But Won't Stay Running. Bought 6/11/13. When the carburetor gets less fuel, it can choke and stall out. Ryobi 890r 4 cycle gas trimmer/brushcutter. Turn it back in to midway between these two positions. It is hard to start or bogs down and dies when the engine is throttled; Troubleshooting Carburetor Related Issues. What is wrong with it? If the air filter is clogged, replace it. I repeat the process with the same result. Pull it out and clean or replace it. You should do this as part of regular maintenance. Enter model number to search for the required part specific to your product, Browse our parts categories to select from a variety of parts for your product. The first step, after you've located the carburetor, is to drain the float bowl. A clogged carburetor is most commonly caused by leaving fuel in the string trimmer for a long period of time. 1,636 satisfied customers. The day after i went to use it again and noticed when i primed it, the bulb would not fill up with fuel, only a little... - Ryobi … It isn't difficult to restore air circulation, but if the fuel flow is restricted, you may need to disassemble the carburetor and clean it. Ryobi x430 - EXPAND-IT 4 cycle power head. If cleaning the carburetor isn’t effective, rebuild or replace the entire carburetor. Fuel leaks from airfilter. Gas is brand new and my other power tools (mower, chipper/shredder) are running fine on the same gas. what i know is that it is ryobi rbcgm25ss machine 25.4 cc with Ruixing carb and it … Like 0 Comment 1; Stay updated; Report; Posted 2013-09-28T22:03:42+0000 by jonesr_us . You can prevent this from happening by adding fuel stabilizer to the gas tank before you store the trimmer, but once the carburetor is blocked, there's no alternative to cleaning or replacing it. If it does, it's time to replace the gas cap. Practice … Not all trimmer line spool sizes are the same, and this can really make a difference in how long the trimmer line will go without being replaced. Over time, the spark arrestor can become clogged with soot. Ryobi really messed up on the EPA settings on this carb. Ryobi RY34440 4 cycle, 30cc trimmer dies when trigger pulled. The two-cycle engine that runs your string trimmer needs three things to operate smoothly: clean fuel, air circulation and a spark. The first thing we want to do is to clean the carburetor. While it can be a delicate task to disassemble a carburetor for a complete cleaning, you usually don't have to do that to remove deposits from old fuel. The spark arrestor is a screen located just behind the muffler. After unscrewing and removing it from the trimmer, spray it generously with carburetor cleaner, being sure to direct the cleaner through all the port orifices. Hold times are long. Cracked or clogged fuel lines will deprive the carburetor and the engine of fuel, causing it to die when the trimmer reaches full power. Wound too tightâ or even too looseâ one side of the trimmer line will get stuck in the trimmer head. The engine won't start if any of these elements are missing, but it may run for a short time if only the air or fuel flow is restricted. Submitted: 8 ... Ryobi weed trimmer hard pull start like it's back pressure, Pull plug and it will easily pull. The engine draws air into the combustion chamber through the intake port, and if the air filter is dirty, combustion is partial and the trimmer will sputter and die. Followed all instructions. Archived. Already ordered? My Ryobi trimmer runs for awhile and then stalls and won't start again for awhile. Model RY28101.2years old. The air filter may be clogged. © Copyright 2020 Hearst Communications, Inc. Small Engine Technician. Now it won't run (it starts and dies). Depending on your weed eater model, start by removing the filter cover and the filter. As a result, the engine may stall. First off, like all of the Ryobi string trimmers, the unit is electric. New fuel. A clogged carburetor is most commonly caused by leaving fuel in the string trimmer for a long period of time. Yesterday, I have a several year old Ryobi 30cc 2 cycle trimmer. put plug back in and same problem. They will tick over for a while longer but as soon as I touch the throttle they die. To unclog the spark arrestor, remove it and clean it with a wire brush. If you leave the trimmer full of gas when you store it for the winter, the fuel partially evaporates, leaving behind a sludge that resembles varnish. Ryobi string trimmer won't start. Started with the blower running at full speed after about 5 minutes of use. If old fuel was left in the string trimmer, drain the old fuel from the fuel tank and replace the fuel filter. Troubleshooting Problems with Starting Weed Eaters, Repair Clinic: String Trimmer Engine Stops After A Few Seconds, eReplacementParts: How to Clean a 2 Cycle Engine Carburetor, My Stihl Weed Trimmer Is Dying at Full Throttle. We carry more than 4 million parts from over 175 major brands, so chances are, we've got the part you need. Its only the second time I've used this. Vince O. Thanks for watching. Email. The gas cap on most trimmer has a small air inlet hole that allows air to enter the fuel tank, preventing a vacuum from forming as fuel sprays into the carburetor.
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