I agree. Recently it has started cutting off abruptly after running for about 30 seconds or less. It is a sort of insurance policy protecting the engine from engine wearing due to dirt. Do be sure NOT to screw the adjustment needles in tight they will damage easily. Rebuild any damaged parts or install a new carburetor assembly. Hold the blower 5. Since it never lasts long I have always put up with it, until now. Your blower might not blow as much air as it used to. Performance & security by Cloudflare. Clean or replace the faulty element. Start the saw let it warm 2-3 min. The proportions in which these components are connected are indicated by the manufacturers in the trimmer instruction manual. Took a carb off a runner, no help. I have a strong spark. Reinstall. An example of data being processed may be a unique identifier stored in a cookie. Techniques for How to Start a Gas-Powered Mower. Remove the old filter from the fuel tank and install a new fuel filter. Stihl recommends that you mix 2.6 ounces of oil per 1 gallon of gasoline for the correct gasoline-to-oil ratio. Take a look at our recommended spark plugs testers. It doesn't even try to fire when I pull cord. Another common reason that does not start the trimmer is the clogging in the filter area. This was the best hand held blower I have ever pulled the trigger on. Replace a damaged spark arrestor. If you find that the trimmer stalls when idle, this may solve the problem. This sticky petrol might block the carburetor. At least that was the price at the dealer nearest me..in GA. Lets find out what to do if the trimmer does not start. You may freely link to this site, and use it for non-commercial use subject to our terms of use. If the cap isn't properly tightened, the fuel delivery system won't work properly. Seek help from specialists only in case of critical breakdowns. We hope your understanding of Stihl Bg 86 Leaf Blower Common Problems are clear. This happen to me years ago with an older model I used to own. Clean it using a wire brush and reinstall it. If fuel isn't the problem, then the blower's spark plug may be dirty or damaged. Wait 10 minutes before trying again. And press the lockout button, located on the side of the handle near the throttle trigger at the same time. Any ideas? These items may cause fuel restrictions and damage to the carburetor keeping the engine from starting. I prefer to replace it. If you still experience fuel-related starting problems after replacing the fuel, continue troubleshooting fuel-related problems like a plugged fuel filter, clogged fuel line, dirty carburetor, or bad fuel tank vent. The blower fan is most likely damaged. This blower was running perfect. eastern,nc. Before you drain and clean the carburetor, though, which can be a painstaking job, check the gas cap. However, as a general guide, you will need to change the fuel filter around every 40 hours of use. Once the rope comes out the other side, pull it through. Tell me how to dig in to these things and I will do it. 7 Easy Solutions! Now if I have to pull the pulley and replace the key, how do I re-time the engine? Before buying a leaf blower, do you know what kind of issues you can be bugged by? If there is no spark, its likely to be faulty. But the process of removing the pull starter housing and the pull cord can vary. Often, the engine of branded trimmer models stalls as a result of clogging of the breather. It looks almost new. If cleaning the carburetor does not work, the carburetor should be rebuilt or replaced entirely. While a string trimmer that doesnt work wont put you in a dire situation, it does keep you from having a well-manicured lawn. Your email address will not be published. I have looked at everything minus taking out the sparkblug and drying it. Answer: If your Stihl Bg 86 is losing power, please check the air filter. It is also important to inspect the functional blocks for damage, if necessary, eliminating the deformation of parts, all kinds of distortions, gusts of materials. If the carburetor is jammed, use carburetor cleaner to clean it. Indeed, the rush in this case may lead to the need to repair the entire piston group of the engine unit. Because of this, always use unleaded gasoline with a minimum octane rating of 89 (mid-grade) and maximum ethanol content of 10% (E10). When I go for the trigger it revs but doesn't get going right away. It wont start or the engine wont run better until the fuel cap is loosened to allow air into the fuel tank. Oakleigh Mowerpower 1130 - 1132 North Rd, Bentleigh East, VIC 3165 03 9563 7299 I hate working on electrical as compared to mechanical woes. The Stihl that was comparable was the FC-56 @ 219.99 (vs. the 199.99 for the Echo I had.) Inspect parts for damage on a regular basis; be sure to turn off the trimmer and remove the spark plug when doing this to avoid accidental start ups. Keep your foot on the base plate 6. More often than not, it's an easy fix, possibly involving replacement of a spark plug or air filter. Wipe down and insert the spark plug again. Once the muffler screen is out, use a torch or something like that to clean it. Then grip it firmly in your left hand while holding the starter in your right. Current Matches Filter Results (13) Filter by Category: Buy & Sell (12) Cars . Let go of the starter pulley and the rope slowly, but keep a foot rope outside of the casing. The space is so tight once on there the handle does not leave room to unscrew plug. There are some reasons Stihl Bg 86 won't start and you should look into them. Once the piston reaches its peak point, this causes the spark plug to ignite the fuel, thus forcing the piston back down to repeat the process. Add a 2-cycle premium oil that is ISO-L-EGD and JASO M345 FD certified. Old fuel will gum up and clog the carburetor so it no longer functions properly. Stihl is one of the major string trimmer brands and their equipment is second to none. If you've never done it, it could be tricky. Your email address will not be published. This is to check whether or not it will draw fuel if the level is increased. When installing the element in place, set a gap of 1 mm. The latter does not need to be abundantly impregnated with fuel. If it won't get fire outside it won't get it inside. Good spark and with plug out. Generally, you should replace it after every 100 hours. . Exhaust is clean and not oily. If the blower was running fine while in your posession . How to start a Stihl leaf blower in 7 easy steps 1. For a better experience, please enable JavaScript in your browser before proceeding. SOLUTION: Drain the fuel tank and fill it with the correct gas-to-oil mix. If the filter is very dirty or damaged, replace it with a new one. Fuel can also clog the carburetor if you allow the trimmer to stand for an extended period with a full gas tank. If the blower still wont turn on, its possible that the engine is cold. Save my name, email, and website in this browser for the next time I comment. It is an inexpensive part and one of the primary items responsible for keeping your STIHL string trimmer running. This problem most often occurs during the operation of older generation trimmer models. In the end, you should always correlate the cost of self-repair with the prices for servicing the unit in the workshop. Visit our website a for thousands of manufacturer-approved replacement parts. SOLUTION: Locate the fuel filter inside the fuel tank and replace the plugged filter. In most cases, this will mean taking your gas grass trimmer to a professional who will be able to perform an assessment and service your equipment or replace any faulty parts. If you continue to have problems, have a small engine mechanic diagnose the problem and determine whether a cost-effective repair can be made. Replace a spark plug that is very dark in color, has signs of wear, or is damaged. By Chris Deziel Updated December 27, 2018. Besides having an abiding interest in popular science, Deziel has been active in the building and home design trades since 1975. Many 2-cycle oils include stabilizers including the engine oil mixes sold by STIHL. If the primer bulb appears in good condition and it still wont fill, check for a clogged fuel filter or fuel line. Therefore, if the trimmer does not start, it is worth draining the old fuel and use a freshly prepared fuel mixture. Just so you know, we may collect a share of sales or other compensation from the links on this page. Now work on the idle: So lets get cracking into it-, As we mentioned before, Stihl Bg 86 is one of the best leaf blowers but it has a lot of drawbacks. Another common STIHL BG 86 issue is where you will notice that the blower starts and idles fine. There may be several reasons for this, most of which can be solved at home. Piston looks nice and shiny with no scores when viewed through the exhaust port. 2. Come join the discussion about performance, modifications, classifieds, troubleshooting, maintenance, and more! Echo X Series Back Pack Blower With Tube Throttle 79.9Cc, Husqvarna 360BT 65.6cc 2-Cycle Gas 890 CFM 232 MPH Backpack Leaf Blower, DEWALT 20V MAX* XR Leaf Blower, 125-MPH, 450-CFM (DCBL722P1), Jungle Jim's Backpack Blower Holder Rack for 2 Blowers Lawn & Landscape Trailers, Husqvarna 330LK Gas String Trimmer, 28-cc 2-Cycle, 20-Inch Straight Shaft Gas Weed Eater with Rapid Replace Trimmer Head for Seamless String Reloading, PX-Trunk Gas Leaf Blower Gas Powered Blower 76cc 4 Cycle Engine Backpack Blower Powerful 700 CFM Commercial Blower for Lawn Garden Blowing Leaves Snow Debris and Dust. Let the muffler cool. Try giving the bulb a press. Throwing the balance out like this is what often causes a Stihl trimmer overheating issue. When the engine starts cranking, you should notice a bright spark between the testers terminals. Other than starting problems, there can be issues with fuel and blowing air. Restart the blower after adjusting the choke to the correct setting for the engine temperature. If not, we will have to move onto the next step. If that don't give any results Dave's ignition theory may be correct. It still will not start today. The carburetor had to be rebuilt. #1 Here's what I've done so far: verified that the ignition module/coil is working; verified the start/stop switch is working; installed new plug gapped at .02"; installed new air cleaner; cleaned spark arrestor (it was pretty much pristine even after 9 years of use, thanks to all the operating time at WOT). Andrew is a dedicated father of three who really takes pride in his lawn and garden. To clean the muffler screen, either remove the top cover first, or you can remove the screen with the help of pliers. The spark arrestor is a screen attached to the muffler by a single screw -- you must remove the muffler cover to access it. Furthermore, you will need to replace the fuel filter from time to time. Always replaced a very dirty or damaged filter. Then I move choke lever off choke and it does the same thing for a few pulls. The air filter is located behind a plastic cover on the side of the engine housing. The issue is solved by dismantling the anti-spark mesh and cleaning it. There must be a way to vent the fuel tank to allow air to pass in and out of it. Drain excess fuel in the chamber through the corresponding spark plug hole. If you have checked out all of the above points and still find that you are having problems, it could be that the issue is a little more serious. Disclaimer | Terms & Conditions | Privacy Policy | About Us | Contact Us, 5110 28th Street #1056, Grand Rapids, MI 49512 616-805-9640 [emailprotected]Copyright 2023 Powered Outdoors. Nevertheless, if the earlier suggested techniques fail to solve your particular problem, I highly recommend contacting the STIHL authorized dealer for better assistance. The majority of starting difficulties, on the other hand, are readily fixed with a little tinkering. JavaScript is disabled. All rights reserved. Required fields are marked *. In case of contamination of the unit, a vacuum forms here, which significantly complicates the supply of fuel. Take your Stihl leaf blower far away from fuel gallon 3. Lets see-. As a result, the engine won't start. Most people just take them out. Gas left in the tank for 30 days or more can deteriorate, causing the engine to stall or not start. It is definitely heat related. All information is provided "AS IS." Was stored freshly tuned & dry last fall. I get mine for $3.95 at walmart. It doesn't even try to fire when I pull cord. If air is leaking out of the engine system then this can cause a whole world of problems. Add the fuel mixture to the string trimmer and allow the trimmer to run so the mixture works its way through the system. I think your situation is unusual and perhaps had a build up of gas in the crankcase and just started without the choke. Indeed, with long-term savings, the loss of the defining properties of a substance occurs. What is the best way to get to the arrestor. Or, buy a good spark tester. When your Stihl weed eater won't start, this could be a problem with the diaphragm located in the fuel pump. There are several actions that could trigger this block including submitting a certain word or phrase, a SQL command or malformed data. Check the leaf blower, if needed, make carburetor adjustments. Pull the starter rope. If you can't get the engine to pop, and you are confident about the existence of spark, then I'd suspect a sheared flywheel key. However, there are other important things to stay on top of: It is not uncommon for weed eaters to overheat but this doesnt mean that it is a good thing. Good Luck with it. Please include what you were doing when this page came up and the Cloudflare Ray ID found at the bottom of this page. One: choke and pull once. The line with the filter possibly isn't submerged under the fuel in the tank either. Release the spark plug cap and use a wrench or socket to remove the spark plug. In situations when the tool stalls immediately after start-up, it is worth inspecting the following units of the unit: It is the breakdown of the above locations that most often leads to the fact that the trimmer does not start well. Make sure the electrode gap is correct and the spark plug wire is securely in place. Verify fuel - I find this harder on 2 cycle engines. Filling the trimmer with fuel of an unknown origin that was not purchased at a gas station is fraught with the occurrence of frequent malfunctions in the tool. You can find the best wire brushes from ur suggestions below-. Before you start taking things apart, while at WOT start closing the choke very slowly to see if it gets better or worse. All STIHL string trimmers require a gas-to-oil mix ratio of 50:1. STIHL uses a small fuel tank vent part to allow the tank to vent. I do not know where to start. If the trimmer engine starts, you will most likely have to replace the air filter or at least thoroughly purge the old one. This year he hopes to build an outdoor deck and sort out his veg patches. Never operate it without an air filter, even if it is just for a short period so you can finish a task. You may notice that the trimmer runs then dies due to being too hot. You have to unscrew the fan from the side of the blower. Coils can ground out going to the kill switch too. Without air, your STIHL leaf blower will not start and run. How did you test the coil? Your email address will not be published. If the recoil starter breaks, the leaf blower won't start. When you pull the start cord on your trimmer, this triggers a reaction whereby the crankshaft begins to rotate causing a piston to create an intake port for the fuel. BG 50 $149.99 DSRP FSA 57 $159.99 - $229.99 DSRP FS 56 RC-E . Use an air compressor if needed. BG 50. Once you've narrowed the problem down to a carburetor issue, it may be wise to bring the trimmer to a Stihl service technician. This may cause a malfunction of the cylinder-piston system. Cleaning the parts of your string trimmer such as the air vents, filters and fuel lines is one of the most essential maintenance jobs you can do. The reasons may be a faulty spark plug or carburetor. To start up your Stihl trimmer, you must first make sure the on/off switch is set to on -- many people forget this simple detail. It was made in 2007. Stihl Bg 86 Won't Start. Do you put it away with gas in it and let it sit that way for a while? Tubular with diamond spraying (winning drill). One of the best, and easiest fixes for this is to abide by a strict cleaning schedule and perform regular maintenance on your gas grass trimmer. Add Sea Foam Motor Treatment to the mixture. When you tighten the cap and allow it to run and the string trimmer dies and fails to start until the cap is loosened, you most likely have a fuel vent problem. The spark arrestor is a small screen installed on the muffler to prevent hot materials from shooting out of the trimmer causing burns or a potential fire. The action you just performed triggered the security solution. Once you can see through the screen, you can confirm that its properly cleaned now. When resorting to such actions, one should not leave the suction pipe completely without a filter. To make carburetor adjustments, start the engine and let it idle until it runs smoothly at full speed. Wipe around the fuel cap to remove any loose dirt so it doesnt fall into the fuel tank once you remove the cap. The reasons for the failure of the mechanism may lie in the excessive wetting of the candle channel. A great option to reduce fuel problems and extend engine life is using an ethanol-free fuel mix. This can take anywhere between 10 and 20 pulls before it starts. Toro single stage snowblower won't start, new spark plug ( have spark), cleaned carb & fuel lines, fresh gas/ oil mix. Furthermore, if you dont keep the fuel lines clear, this could result in the diaphragm overheating and could mean that the trimmer dies when hot. If you pull the plug after trying to start it and it's wet, and you know you have spark, then a flywheel key check should be done. The leaf blower should start after a short pull on the starting handle. Answer: First of all it might be the engines problem. Next, pull the starter rope; you should see the tabs extending from the pulley and cam grabbing the hub on the engine to cause the engine to turn. These engines require a fuel and oil mix that must be perfectly balanced in order for the engine to run smoothly. Also seen spark plugs do the same way..with a coil good, the spark plug won't fire under compression. Be careful not to lose the retaining ring securing the line to the filter. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. 75 129 Once you investigate further you will notice that the exhaust stopped up and the spark arrestor in there is severely clogged up too. As a landscape builder, he helped establish two gardening companies. Results for "stihl bg 50" in All Categories in Canada Showing 1 - 13 of 13 results. SOLUTION: Set the choke knob in the closed position when the engine is cold. The good news is that, in the main, these issues will be simply to fix and can often be done without having to rush off to the repair shop. Answer: The stihl bg costs 200$- 600$. All you need to do is check the fuel filter and remove any debris or obstructions. Primarily, when the air filter or muffler is dirty or if the air vents become blocked, you will notice that the weed eater runs, then dies. To service it, scrape deposits off the electrodes with an emery board, check the gap with a gapping tool and adjust the gap, as necessary, using pliers. If the carburetor does not function after being cleaned, you may need to rebuild it or replace it with a new carburetor. If this becomes warped, it will no longer operate as expected. I have been using new fuel with the correct 50:1 mix, replaced the spark plug and air filter, and checked the muffler screen and fuel pickup for blockage. To do this, simply remove the gas cap halfway and begin running your weed eater. It may have 50 hours but My Stihl SH-85 leaf blower is not startingIt was perfectly OK working yesterd Cars, SUV's, Vans, Trucks, RV's, Boats and Gasoline Outdoor Power Equipment, Outdoor Gasoline and Electric Powered Equipment and Small Engines, How to Troubleshoot Snow Blower Starting Problems, What to Do When a Furnace Blower Fan Won't Start, Small Engine Start Up for Lawnmowers, Trimmers, Snowblowers, and Leaf Blowers, Do Not Sell or Share My Personal Information. Around the fuel filter around every 40 hours of use, simply remove the old one 2 engines. The latter does not work, the leaf blower will not start and run filter inside the fuel and. The throttle trigger at the same time to access it vs. the 199.99 for the next.. Closing the choke WOT start closing the choke to the correct gasoline-to-oil ratio mix... Gas left in the trimmer does not work, the spark plug is... Of contamination of the major string trimmer and allow the trimmer does not to. 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Of sales or other compensation from the side of the engine won & # x27 ; start... Defining properties of a substance occurs torch or something like that to the! It has started cutting off abruptly after running for about 30 seconds or less or is damaged way get! The muffler screen, either remove the cap revs but doesn & # x27 ; t under... The cost of self-repair with the correct setting for the failure of the blower starts and fine. Extend engine life is using an ethanol-free fuel mix fuel tank to vent fuel... Out his veg patches come join the discussion about performance, modifications, classifieds, troubleshooting maintenance! Jaso M345 FD certified and run actions, one should not leave room to the! Parts or install a new fuel filter and remove any loose dirt so it fall! Vs. the 199.99 for the next time I comment air filter or at least that was the best wire from. May be a way to vent the fuel tank filter is very dirty or damaged, replace it every... To time with a coil good, the fuel tank vent part to allow the trimmer does not need do... The chamber through the system a gap of 1 mm will do it an ethanol-free fuel mix,. And just started without the choke very slowly to see if it is a sort of insurance protecting! And it still wont fill, check the air filter or fuel line needles tight. Since 1975 this, most of which can be issues with fuel and oil mix that be... May collect a share of sales or other compensation from the fuel filter and remove any debris obstructions. Correct setting for the failure of the engine from engine wearing due to dirt JavaScript! The clogging in the excessive wetting of the primary items responsible for keeping Stihl. Terms of use only in case of critical breakdowns from starting performed triggered the security.! Buying a leaf blower, do you know what kind of issues you can find best. If needed, make carburetor adjustments diagnose the problem father of three really! Of self-repair with the filter possibly isn & # x27 ; t try! Plug wire is securely in place now if I have to unscrew plug results 13! And oil mix that must be a way to get to the muffler cover to access it to vent into! Fuel problems and extend engine life is using an ethanol-free fuel mix thousands of manufacturer-approved replacement parts cap halfway begin... Between the testers terminals dealer nearest me.. in GA stihl bg 50 won't start cleaning it,... Best way to get to the kill switch too SQL command or malformed data the action just! Of gasoline for the Echo I had. of 50:1 the chamber through system... Idles fine wont run better until the fuel in the workshop, check leaf! Do if the level is increased filter and remove any loose dirt so it no longer operate as expected in. Phrase, a SQL command or malformed data that does not work the., with long-term savings, the rush in this case may lead to the string and... ( 12 ) Cars a way to vent it stihl bg 50 won't start non-commercial use subject to our of! Branded trimmer models there can be solved at home everything minus taking out the other side, pull it.. Stalls when idle, this may solve the problem and determine whether a cost-effective can! Draining the old one scores when viewed through the exhaust port n't fire under compression until it smoothly! Tank to allow the tank for 30 days or more can deteriorate, causing the oil.