Husqvarna trimmer dies when hot

I have a Husqvarna 223L trimmer that will idle, but dies when I try to make it go faster. Also if I start it with the - Answered by a verified Technician ... I have a Husqvarna 223L trimmer that will idle, but dies when I try to make it go faster. ... After it gets hot it runs long enough to start it and tip it upright to trim and then shuts off.

Husqvarna trimmer dies when hot. Adjusting the idle on a chainsaw all comes down to the turn of a T-head screw. On right-handed chainsaws, the idle screw tends to be on the left. It's best to check the owner's manual, or do a web search for your make and model, to ensure you've found the proper screw or screws to adjust. You'll either tweak a single screw or three separate ...

May 29, 2023 / Husqvarna 324L String Trimmer Shuts Down At Full-throttle. #1. Hey All, I've been experiencing some issues with my weed-eater lately. When running at full-throttle, it eventually just shuts down (video evidence in link below). Initially, I thought it might be a fuel-delivery issue, but I've replaced the fuel filter, and cleaned ...

If you found my videos helpful, please give them a LIKE and SUBSCRIBE!!Welcome back to Chickanic! Is your Husqvarna trimmer hard to start, starts and dies, r...330LK. 2.9. (88) Power output 1 hp Cutting width 20 in. Showing 12 of 12. Keep your residential lawn perfectly manicured with Husqvarna's weed eaters & string trimmers. Explore our reliable and efficient trimmers for a neat finish.04 - Husqvarna Leaf Blower Fuel Filter. The fuel filter might be clogged. A clogged fuel filter is most commonly caused by leaving old fuel in the leaf blower. Over time, some of the ingredients in the fuel may evaporate, leaving behind a thicker, stickier substance. This sticky fuel can clog the fuel filter and cause the engine to stall.Try adjusting the high speed screw outward to add fuel to system. The new carburetor does have adjustable screws and I have tried adjusting them but to no avail. I have tried richening the high speed adjustment and the low speed but no good. If i set the high speed to a real rich mixture where the engine is only running at maybe 60% it will run ...Adjust the screw for low speed by twisting it slowly until the chainsaw engine is starved of gas, and turn it slowly again until it has loaded up. Fine-tune it a couple of times more to where it sounds alright, which is in the middle portion of the setting. Get back to the idle screw and tweak it also.

Step by step diagnosis for a Husqvarna CD128 trimmer that smokes and runs badly. How to replace the metering diaphragm and adjust the carburetor for best per...I go over how I fixed my Husqvarna 128 LD that was running very poorly.I do apologize for the noise in the background a lot of work was going on in my area a...Husqvarna offers several gas-powered string trimmers, with the 330LK in the middle of the range. It is a fairly large and heavy trimmer, weighing in at a hefty 14 lbs and measuring 6 feet in length.Carve a path through the toughest chores with the Husqvarna 330LK. This string trimmer delivers a 30% easier pull for Effortless Starting™ with our spring-assisted starting system.*. Cut 30% more in less time** with the 20 in. cutting path or adjust to 18 in. for max power in thicker vegetation.Just because your weed eater (a.k.a. a string trimmer) has a small engine, don’t think it won’t eventually have big problems. They rev too high. They rev too low. They stall. They run out of string at the most inopportune moments. They are simultaneously awesome and bothersome. Fortunately, Repair Clinic is always awesome, always on call ...Inspect the filter by removing the cover by just popping the tab or using a screwdriver. Once done, check the filter by removing it to see if it is damaged or clogged. Replace the old one with a new filter and close the cover. Restart your strimmer; if the problem was the air filter, your machine should start working.The 6 Best Husqvarna Weed Eaters. 1. Husqvarna 128LD Detachable Gas String Trimmer - Best Overall. Check Latest Price. The Husqvarna 128LD Detachable Gas String Trimmer. It features a 22cc 2-cycle engine, providing plenty of power to tear through most weeds and grass.Jul 27, 2017 ... ... Husqvarna, Honda, Echo, Tecumseh, Dolmar ... trimmer, grass trimmer, line trimmer, hedge ... Stihl FS55R Runs and Dies Hard Start Spits Excess ...

This is due to a dirty air filter or a bad spark plug. 3. The Wrong Mixture In The Gas/Oil Ratio. If the mixture of gas and oil ratio is not done well, the weed eater can't easily run on choke-off. Also, if the oil is dirty, this can be disastrous because the motors are really sensitive.Here are the steps to fix a two-stroke engine not starting when hot: Check the fuel. Clean or replace the air filter. Check the spark plug. Ensure the compression is 110-130 psi (758.4-896.3 kPa). Ensure the oil to fuel ratio Is 50:1. Clean and adjust the carburetor. Replace worn crankshaft bearings and seals.330LK. 2.9. (88) Power output 1 hp Cutting width 20 in. Showing 12 of 12. Keep your residential lawn perfectly manicured with Husqvarna's weed eaters & string trimmers. Explore our reliable and efficient trimmers for a neat finish.Haven't touched anything else outside of a few Ryobi electric trimmers, but they are practically useless even with a 40V battery. Can't cut through the thick brush like my 223L. Anyways, my Husqvarna has been giving me issues lately so I'm looking for a new ine Lowe's has a clearance on Husqvarna 128LD and 329L. But 329 is sold out ...

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Why do my grass trimmer and brushcutter start and then die? | Husqvarna AU. Husqvarna Self-Service. Grass Trimmer & Brushcutter 11/02/2024. Why do my …A Husqvarna string trimmer requires an unleaded gas that has a minimum 89-octane rating that contains no more than 10% ethanol. Husqvarna 2-cycle string trimmers: Require a gas and 2-cycle oil mixture at a ratio of …535LK. High-powered, heavy duty professional combi trimmer with reliable X-Torq® engine. Quick connection system compatible with existing Husqvarna attachments for maximum versatility and maximum productivity. Anti-vibration system and soft-grip handles ensure comfortable use even during long shifts.1) stalls at idle. 2) bogs down at WOT under load (thick weeds) 3) idles and runs better at 1/2 choke even when warm. What I've done so far. 1) switch to ethanol free pre-mixed fuel + run a few tanks with SeaFoam and/or Star-Brite Enzyme through it. 2) replaced fuel filter. 3) replace air filter.

Clean out the spark arrester. If you have been using your machine for a while, this might be the reason why your weed eater is overheating. Follow these steps to clean the blockage: Remove the covering of the air filter and set it aside. Next, loose the two bolts that hold the engine cover in place.Before storing your hedge trimmer, make sure that there is no fuel in it to prevent this type of issue. Always use fresh fuel when starting your product. If your hedge trimmer still starts and then dies, check the air filter. Clean or replace the air filter if it is dirty or damaged. How to clean or replace the air filter on your hedge trimmerFS80R Stihl dies when warm. Let it cool down and Runs till hot. So far took to shop as I have not dealt with trimmers very much. They did tune-up plug and filters. Ran great first time. Now back to starts runs great till warm/hot. Ran on home mix 2 cycle gas until this year. Running Echo fuel.With over 330 years of innovation and passion, Husqvarna provides professionals and consumers with forest, park, lawn and garden products. We let high performance meet usability and safety, making you ready to get the job done efficiently. ... including everything from chainsaws and trimmers to innovative robotic lawn mowers. Get the latest ...If keeping noise to a minimum is a top priority, a battery powered string trimmer is a great choice. Husqvarna's quiet, lightweight, balanced, easy-to-use and battery driven grass trimmers are highly efficient and equipped with a powerful 36V Li-ion battery pack. In addition to reduced noise, vibration and maintenance, there are no emissions ...1. Messages. 1. Aug 2, 2023 / Husqvarna 128ld only runs when choked. #1. I have a husqvarna 128ld, it was given to me and had a broken choke cable and only ran when choked, but ran enough to weedeat, so I decided to tune it up by replacing the carburetor, fuel lines, fuel filter, air filter, and sparkplug. After doing this the trimmer ran even ...A gas-powered leaf blower uses a combustion engine to generate power. Normally, when this engine burns gas, the vapors and heated gases are vented away, so the engine can stay cool enough to keep running. If the engine dies after warming up, it is likely the engine is overheating and automatically shutting down to prevent more serious damage.We would like to show you a description here but the site won't allow us.In this video, How to change your weedeater trimmer line on a Husqvarna 122C Trimmer. After a while, your weedeater trimmer line will need to be replaced, ex...I’ve put together a list of the most common items that can cause your mower to quit when it gets hot. A lawn mower that quits when hot is caused by a plugged air filter, a clogged mower deck, an incorrect engine oil level, a …Dec 27, 2021 · Two of the easiest repairs you can make on a weed trimmer are to service the air filter and the spark arrestor. They both block air flow when they're dirty, and that can cause the engine to stall out. It won't necessarily happen only when you tilt the trimmer, but it's more likely to happen then than at other times. Video of the Day.

Links to products I have in my tool bag.Compression tester. https://amzn.to/2NMgezeSpark Checker. https://amzn.to/3bnXjmATygon Fuel Line. https://amzn.to/...

I've got a four year old Husqvarna 324L string trimmer that is stalling out when I get up to about 80% throttle. If I quickly back off it recovers. It starts fine, idles fine, runs great up until that point. I picked up a rebuild kit and did the following trying to troubleshoot.. New air filter. New fuel filter and lines. Cleaned exhaust screen.14,778. May 5, 2021 / Briggs and Stratton Mower engine won't start when hot. #12. On those engines the breather is on the other side of the engine, no need to remove the carb/tank to get to it. As Star said, the next time it won't restart, check for spark. Common problem on those older engines is a coil that develops a hot short or hot open ...Are Jay attempting to repair a stalling stihl string trimmer and weed eater.Part 2 is right here:https://youtu.be/-fYa7tmC1W4here is everything I used here:...I have a 2013 Rancher that bogs down when the engine gets hot. It has been sputtering lately. When it gets hot it bogs down as if it's running out of fuel then cuts off. I have to let it cool before going again. When it gets hot again, the same issue, it bogs down and then cuts off. I recently cleaned the gas tank and the fuel pump as well as ...If you are experiencing overheating problems with your trimmer, the following checklist will assist you in identifying the issue and solving it. Overheating In Engines 1. Clogged Cooling System. Most weed eaters have cooling fins around the engine cylinders. The fins help remove hot air from around the engine.Since it is not electric, there is no need to lug around a tangled, heavy extension cord. If your weed eater dies when you give it gas, it’s likely due to poor quality of fuel, or an empty fuel tank. All you need to do is try swapping out the fuel, clean the tank and then fill your weed eater with a higher quality fuel to see if this resolves ...Troubleshooting stepsFor performance without the weight, trust the Husqvarna 220iL. With a best-in-class weight at only 10 lbs, this string trimmer is easily maneuvered around your entire yard. And exclusive, dual-direction cutting lets you control where the clippings go.*. Our 40V lithium-ion batteries are able to be used in any of our 40V battery tools for the ...May 24, 2021 · I go over how I fixed my Husqvarna 128 LD that was running very poorly.I do apologize for the noise in the background a lot of work was going on in my area a...

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10 Reasons Your Husqvarna String Trimmer Starts Then Dies 1. Incorrect Choke Setting. If your string trimmer starts fine and then dies right after, check to make sure you have the choke lever set in the right position. ... SOLUTION: Check the choke lever to make sure it is placed in the off position once the engine is warm. 2. Plugged Air Filter.It took awhile to figure out what was wrong with this 25 cc Yard Trimmer, but we finally found the problem & it was a really simple fix.https://amzn.to/3HXe...Try adjusting the high speed screw outward to add fuel to system. The new carburetor does have adjustable screws and I have tried adjusting them but to no avail. I have tried richening the high speed adjustment and the low speed but no good. If i set the high speed to a real rich mixture where the engine is only running at maybe 60% it will …Step 1. Place the Husqvarna chain saw on a hard level surface. Start the engine and let it run until it gets hot. Shut down engine and try to restart it. If it does not start, move forward with the diagnostic procedure. Pull off the small vent that is attached to the fuel line coming out of the gas tank. Pull the starting cord, if it starts ...3. Carburetor May Clogged Causing The Engine To Stall: This issue mostly happens when you leave fuel in your Husqvarna 150bt leaf blower for a longer time than you should. Eventually, that thick and sticky fuel clogs the filter and causes engine stalling. The easiest way of dealing with this problem is to either drain the entire fuel or use a ...Hello, My Troy-Bilt 2-Cycle Gas Trimmer died on me the other day and I can't seem to find the problem. It is model TB20CS. I was trying to extend some line and was running the trimmer at full throttle for a few seconds when it suddenly quit running. Attempts to restart it failed immediately after and some time later after it cooled.Jan 29, 2020 / Husqvarna 128LD Will Not Stay Running. #8. PNC scoring normally affects the starting ability first as it lowers the starting compression below 100 psi. With me repairing over a couple hundred these cubes what you describing is a lean burn problem; and unless, you re-tune the carburetor you never get it to run right.Removing it and using carburetor cleaner to scrub away debris should improve engine performance. 3. String Trimmer Is Leaking Fuel. Fuel leaks only affect gas-powered string trimmers. If your string trimmer is leaking fuel, first check whether the gas tank's cap is securely tightened. Assuming the cap isn't cracked or loose, the fuel line is ...Husqvarna is a renowned brand in the world of outdoor power equipment. From chainsaws and lawnmowers to trimmers and blowers, their high-quality products are trusted by professiona...522 524 550 600. View more. Here are the most common reasons your Husqvarna string trimmer starts then stalls - and the parts & instructions to fix the problem yourself. Fix things more easily!Hedge Trimmer: Engine Will Idle But Dies At Full Throttle . If your hedge trimmer engine idles, but stops at full throttle, you will need to check the following parts: the fuel lines, gasket, carb kit, carburetor, and spark plug. This is a relatively common symptom and our repair guide can help you fix it. Note: this is a general repair guide. ….

May 13, 2012 ... When cold there was no indication of any problem but when warm just as you describe . I could wait 5-10 minutes and then would start. Bottom ...Step 2: Prepare the mower. Be sure to perform these initial steps when changing the oil: Empty the fuel tank by running the engine until the fuel tank is empty. Turn off the engine and fully disconnect the spark plug, positioning the wire so it cannot accidentally come into contact with the spark plug. Use a shop towel to clean dirt and debris ...Husqvarna Gas Hedge Trimmer Operator's Manual. 324L, 324LD trimmer pdf manual download. Also for: 324ldx-series, 324lx series, 324ldx series. Sign In Upload. Download Table of ... Do not smoke or place hot objects near fuel. Always shut off the engine before refuelling. Always stop the engine and let it cool for a few minutes before refuelling. ...While working with your grass trimmer or brushcutter, it can turn off unexpectedly. This could mean there is an issue with the product. Grass trimmer or brushcutter start and then die. Grass trimmer and brushcutter stall or die when turned sideways.Aug 31, 2009. #1. I hope you guys can help me. My father brought over his Stihl FS 80 trimmer (cira: 1995) this afternoon with complaints that it stalls when the engine gets hot. Says it starves for gas when you squeeze the trigger. This thing has a "California" carb on it. As in, it doesn't have any external adjustments other then a idle screw.Amazon. There can be several reasons why a lawn mower engine may die when the PTO (Power Take-Off) is engaged. These are discussed below: 1. Mower Blades Engagement Issue. The most common cause is that the mower blades are not properly engaged. This means that the blades are not securely connected to the PTO shaft.Before storing your hedge trimmer, make sure that there is no fuel in it to prevent this type of issue. Always use fresh fuel when starting your product. If your hedge trimmer still starts and then dies, check the air filter. Clean or replace the air filter if it is dirty or damaged. How to clean or replace the air filter on your hedge trimmerHusqvarna hedge trimmer operator's manual (23 pages) Trimmer Husqvarna 125R Operator's Manual (86 pages) Trimmer HUSQVARNA 125LD Operator's Manual ... Mufflers fitted with Cutting attachment guard This guard is intended to prevent loose ob- catalytic converters get very hot jects from being thrown towards the opera- during use and remain so for ...Lift the mower's side-discharge door. Next, the grass chute should be attached to the hooks you find protruding from the mower's housing side, right in front of the dis-charge chute. Ensure the chute is resting on the mower's body and proceed to lower the side discharge door so as to rest on grass chute. Now you can attach your grass ... Husqvarna trimmer dies when hot, Sep 4, 2018 · Two Cycle String Trimmer Will Not Start When Hot. Your two-cycle string trimmer operates through a constant stream of air and fuel mixing in a precise balanc... , Just because your weed eater (a.k.a. a string trimmer) has a small engine, don’t think it won’t eventually have big problems. They rev too high. They rev too low. They stall. They run out of string at the most inopportune moments. They are simultaneously awesome and bothersome. Fortunately, Repair Clinic is always awesome, always on call ..., Small Engine Parts Lawn Mower Parts Snowblower Parts String Trimmer Parts Pressure Washer Parts. ... Edger starts then stalls. 5 possible causes and potential solutions . Learn More. ... Kawasaki Edger Troubleshooting Husqvarna Edger Troubleshooting Craftsman Edger Troubleshooting MasterCut Edger Troubleshooting MTD Edger Troubleshooting Yard ..., 1. Trimmer head 2. Grease filler cap 3. Bevel gear 4. Cutting attachment guard 5. Shaft 6. Loop Handle 7. Throttle trigger 8. Stop switch 9. Throttle trigger lockout 10.Spark plug cap and spark plug 11.Cylinder cover 12.Starter rope handle 13.Fuel tank 14.Air filter cover 15.Air purge bulb 16.Choke control 2 1660 - 003 - 29.09.2021, Locate the adjustment screws. To adjust the carburetor, start with both screws backed out 2 turns from the closed position. One should be idle mix and the other should be high speed. Start the engine and let it warm up for 5 minutes. You may have to keep the throttle open a …, SOLUTION: Ensure the choke is adjusted to the off position once the is warm. 2. Plugged Air Filter. Just like the engine will die from a lack of air when the choke is left on, it can …, First, set your chainsaw on a flat and stable surface. Turn on the chainsaw and let it run for approximately five minutes to warm up. The adjustment screws are located on the motor housing near the pull rope, usually arranged in a triangle with two next to each other and a third above them. You should ideally use a carburetor adjustment tool to ..., To troubleshoot an issue in a Husqvarna hedge trimmer, you must first understand the problem and its ... Trimmer starts, then stalls. Clogged carburetor, clogged arrestor screen. Trimmer running rough: Clogged fuel filter or blocked carburetor. Blades not moving, ... Your Husqvarna Lawn Mower Quits When Hot (Solved!) March 13, 2024., Clogged fuel filter - Old or bad fuel can also create clog in the fuel filter which can prevent the trimmer from starting as well. A clogged fuel filter is difficult to clean; however, they are relatively inexpensive and fairly easy to replace. Damaged recoil spring or pulley - If the starter's recoil spring or pulley is damaged, the rope ..., Husqvarna 226HD60S (9669456-01) Depressing the throttle lever on a Husqvarna 226HD60S and the hedge trimmer stalls.Link to the Video after the final repair :..., Buying a grass trimmer - new; Husqvarna Connect; Hedge Trimmers. View products. All Hedge Trimmers (22) Professional Hedge Trimmers (8) Battery & Electric Hedge Trimmers (12) Petrol Hedge Trimmers (6) ... HOT PRICING on 120 Model Chainsaws from $269!* Offers. Autumn Catalogue Out Now! Offers., Husqvarna 125L trimmer will not keep running. Engine would not start. put on new carb and gaskets, then it would start but quit after warm up and putting choke in run position. I have installed new spark plug, new fuel lines, new fuel filter, new air filter, fresh fuel mixed 40/1. has Zama carb. starts easy will run short time then just quit ..., A 2-cycle Husqvarna string trimmer uses gas and oil mixed at a ratio of 50:1. A 50:1 mix equals 50 parts gasoline to 1 part oil. When creating the oil and gas mixture for your trimmer, use unleaded gasoline with a minimum octane rating of 89 (mid-grade) and maximum ethanol content of 10%., Look for two small screws on the side of the carburetor labeled "L" or "Lo" (Low) and "H" or "Hi" (High) (these may be flat-head or phillips). "L" adjusts the weed trimmer's fuel usage while idling and "H" adjusts the fuel for the trimmer while running at its highest speed. To adjust, crank your trimmer and, starting ..., 122LK. Enjoy multiple machines in one with the Husqvarna 122LK. This attachment-capable trimmer features a detachable shaft and a wide variety of additional tools and attachments for multiple tools in one. And a variety of easy starting features, including Smart Start® technology, make this string trimmer easy and intuitive to use., Small Engine Parts Lawn Mower Parts Snowblower Parts String Trimmer Parts Pressure Washer Parts. ... Edger starts then stalls. 5 possible causes and potential solutions . Learn More. ... Kawasaki Edger Troubleshooting Husqvarna Edger Troubleshooting Craftsman Edger Troubleshooting MasterCut Edger Troubleshooting MTD Edger Troubleshooting Yard ..., Specifying who gets what property when you die is one of the main reasons to write a will. The will of the decedent can specify specific gifts and give the remainder, or leftover, ..., Follow my list below to identify the cause so you can fix it and get back to mowing again. A Husqvarna zero-turn starts and then dies when the fuel system is restricted due to old gas, a plugged fuel filter, a clogged fuel line, a faulty fuel pump, a dirty carburetor, or a plugged gas cap. It may also die from a dirty spark plug, bad ignition ..., Removing it and using carburetor cleaner to scrub away debris should improve engine performance. 3. String Trimmer Is Leaking Fuel. Fuel leaks only affect gas-powered string trimmers. If your string trimmer is leaking fuel, first check whether the gas tank's cap is securely tightened. Assuming the cap isn't cracked or loose, the fuel line is ..., Pros of the Husqvarna 4 Stroke Weed Eater. 1. Great engine. The Honda engine is perfect for heavy-duty use. It is easy to start and has the dependability of Honda technology. Another great feature of the engine is that it runs on only gasoline. Certain gas versions require a mix of both oil and gasoline which means more maintenance but that is ..., Find the most common problems that can cause a Husqvarna String Trimmer not to work - and the parts & instructions to fix them. ... Parts Vacuum Parts Garbage Disposal Parts Dehumidifier Parts Bathroom Fan Parts Carpet Cleaner Parts Water Filtration Parts Hot Water ... String trimmer starts then stalls. 5 possible causes and potential solutions ..., Blades not turning. Another common malfunction in hedge trimmers are when the blades don't turn properly. If the blades are not moving, your clutch may be damaged or simply in need of tensioning. The clutch is attached to the crankshaft. The two work together to start rotation once a certain level of revolving speed has been reached., 122LK. Enjoy multiple machines in one with the Husqvarna 122LK. This attachment-capable trimmer features a detachable shaft and a wide variety of additional tools and attachments for multiple tools in one. And a variety of easy starting features, including Smart Start® technology, make this string trimmer easy and intuitive to use., 8 posts · Joined 2006. #5 · Jun 21, 2006. Check the fuel lines for pinholes. I pulled my hair out over a stalling trimmer to find the cheap black fuel line had decomposed. If I have a problem with any echo the first thing I do is replace the black lines with the good clear yellow fuel line. Like., May 30, 2021 · Is your Husqvarna trimmer hard to start, starts and dies, runs o ...more. If you found my videos helpful, please give them a LIKE and SUBSCRIBE!! Welcome back to Chickanic! , 01 - Spark Arrestor. The spark arrestor is a small screen that prevents the engine from emitting sparks. Over time, the spark arrestor can become clogged with soot. If the spark arrestor is clogged, the engine may stall. To unclog the spark arrestor, remove it and clean it with a wire brush., If an inline tester is not used after the heat soak test and the unit will not start, it is still unclear if it is coil related or fuel related. The "phenolic washers" are not used on the 4140 series (FS55). Back to your unit, make sure to check the exhause port and screen. To check the screen, simply remove the port., The Insider Trading Activity of Di Leo John P. on Markets Insider. Indices Commodities Currencies Stocks, Pat asks, “What is an inexpensive way to put a border around my house to avoid the damage to my stucco done by a lawn trimmer or edger?”Your idea of a border is great, because it w..., Here are the most common reasons your Husqvarna string trimmer starts then stalls - and the parts & instructions to fix the problem yourself. Fix things more easily!, Oct 7, 2019 / Husqvarna 128cd String trimmer high speed running issue. #1. Husqvarna 128cd string trimmer Lowe's model purchased in 2017. Homeowner use only. It started dying when accelerating. Suspected carburetor. Replaced carb, all fuel lines, fuel filter, air filter, and plug. Adjusted the low jet. Starts easily, idles fairly well., In general, there are four reasons why a chainsaw runs well until hot. It can be due to a vapor lock in the fuel tank. Check the fuel cap and remove any debris in the tank vents. The carburetor’s jets could be clogged with fuel deposits. The spark plug could be defective., 5. There Are Excessive Vibrations During Trimmer Use. Excessive vibration is most often attributed to loose or uneven parts. Ensure that the cutting-line head is firmly attached, and make sure that the cutting line is working equal lengths on all sides. Also make sure that the blade is free from damage.