But in reality these improvements are hardly noticeable. Lastly, always wear protective safety clothing like eye protection, head protection, hard hats, and cut-resistant boots. Oil Should Be Coming Out of The Oiler Hole. Suitable for MS 170, MS 171, MS 180, MS 181, MS 193 C, MS 211, MS 231, MS 241 and MS 251. The oil pump system on an MS250 chainsaw consists of a tank, pump and hoses. Turn it clockwise to reduce the oil feed rate and counterclockwise to decrease it. Not to mention the chain-breaking facts; you know, its a serious safety concern. The clutch is found only in a petrol-powered chainsaw, and it should be maintained regularly. No worries, as its a common circumstance with any chainsaw, several ways are there to fix it as well. Thus, to loosen the locks and bolts turn these clockwise. There is no muffler. Also, do all of the 034's have the adjustable oil pump? 2) K-factor according to DIR 2006/42/EC = 2.5 (dB (A)) My other saw is a Stihl 1125 series with a 48mm piston also, but here's where I need help Is the 2nd saw possibly an 034 super? If you're just starting out and you need business, equipment, tech or training support you're in the right place. Before removing the An overly aggressive saw can be too hard for an amateur to handle. Insert a small flat-head screwdriver into the oil inlet hole on the bottom of the bar. This tightens the chain. Who Makes Black Max Chainsaws? Do you know why oiling is significant for your saw? Whether youre a carpenter, a DIY freak, or a wood enthusiast, you must know the struggle of handling a cheap and poor-quality chainsaw against thick wooden planks. Similar to the MS 181, the STIHL MS 181 C-BE has additional ""Comfort"" features, including the ErgoStart (E) system and Chain Quick Tensioning (B), making this chainsaw virtually effortless to start and easy to maintain. Web2 Pieces MS170 MS180 017 018 Fuel Cap Oil Cap for Stihl Petorl Chainsaw Part No. A narrow saw tip can help prevent collateral damage when pruning for tree health, such as when youre removing a damaged branch from an otherwise healthy plant. Choose the holder suitable for your chain saw. If you face a higher or lower amount of oil spray ( in checking method two), use a flat head screwdriver on the oil adjustment screw. The filter doesn't need to be cleaned until an appreciable drop in power occurs. The pre-cleaned air is routed to the air filter via the pre-separator duct. Practical, multi-function quality tool in a sturdy plastic case. Felling direction indicator and cutting guide in one. The cutting chain comes in a variety of diameters to cut through different sizes or thicknesses of the wood. 2. Then take a close look at the chain or touch it; it should be oily. However, today we are talking about the Stihl chainsaw and its power source, of course, the oiler adjustment! Hiding in that description is a brilliant piece of engineering that Stihl has incorporated into many of its small saws, and that is the spring-loaded start mechanism that prevents you from having to yank the recoil start handle. Also, lift the chain from the drive links and check if there is a bit of oil on them. STIHL chainsaws and pole pruners with manual fuel pumps allow improved starting with a reduced number of starting pulls. You will need to adjust the oil flow from time to time to keep up with its maintenance. All important functions such as start, choke, throttle and stop are operated via a single lever. Compared to conventional bars without Ematic, the STIHL Ematic system reduces the consumption of chain lubricant by up to 50 %, depending on the type of wood and the cutting attachment used. You can even replace the clutch from time to time so that your Stihl chainsaw is in good health. Pivoting against the bumper spikes helps you move more quickly and cleanly through the cut. 3) K-factor according to DIR 2006/42/EC = 2.5 dB (A) Stihl 034 AV. A case in point is the Stihl MS 181 C-BE, a great little 31.8-cc gas chainsaw thats the ideal helper as you go about your spring yard cleanup, such as cutting up fallen branches downed by late-winter wind gusts. With the Easy2Start system on board, firing up this chainsaw couldnt be WebStihl MS 181 C-BE The MS 181 C-BE Chainsaw features Easy2Start and allows an easier start that requires less pulling force. Lubrication is necessary for every machinery, be it small-scale or industrial. The Stihl MS 290 Farm Boss has a trademarked "Ematic" lubrication system to deliver the proper amount of lubrication with less usage. Thats facilitated by two things. Air drawn in is swirled. On the back side lip of the drum you will see a notch. This engages the small geared mechanism under The flip up lever on the quarter-turn gas and oil caps makes loosening and tightening easy and secure, without the risk of a loose cap causing a leak of fuel or bar oil. .css-v1xtj3{display:block;font-family:FreightSansW01,Helvetica,Arial,Sans-serif;font-weight:100;margin-bottom:0;margin-top:0;-webkit-text-decoration:none;text-decoration:none;}@media (any-hover: hover){.css-v1xtj3:hover{color:link-hover;}}@media(max-width: 48rem){.css-v1xtj3{font-size:1.1387rem;line-height:1.2;margin-bottom:1rem;margin-top:0.625rem;}}@media(min-width: 40.625rem){.css-v1xtj3{line-height:1.2;}}@media(min-width: 48rem){.css-v1xtj3{font-size:1.18581rem;line-height:1.2;margin-bottom:0.5rem;margin-top:0rem;}}@media(min-width: 64rem){.css-v1xtj3{font-size:1.23488rem;line-height:1.2;margin-top:0.9375rem;}}Why No Humanoid Hobbits Are Still Living, What Makes Ohio-Class Submarines So Badass, 6 Tips for Installing Your New In-Ground Pool, The Future of Mobile Military Power May Be Nuclear, We Built a Cool Mid-Century Influenced Desk, How Lasers Will Soon Power U.S. Military Bases, South Korea Is Building an American Arsenal Ship, Theres an Anti-Universe Going Backward in Time, Why France Is Still a Formidable Nuclear Power, 3 Simple Ways to Remove Wax From a Candle Jar. At first, you should start up the chain saw for a while with the chain spinning. Now turn the dial above the handle forward. Deviations from the product range and information provided here are possible, depending on the country. Not so this Stihl. Dont forget to start the throttle after using your loyal screwdriver to adjust the screw in place. After depressing the throttle all the way, hold the chainsaw bar close to a piece of wood. 82 0 obj <>stream Thanks wise8706 Jun 8, 2016 wise8706 ArboristSite Member Joined Feb 24, 2014 Messages 74 #2 That sounds like your bar oil to fuel ratio is waaaaayyy off. Is there a way to stop the engine rotating when doing this? The other feature is its Oilomatic Picco Micro chain, a reduced-kickback design. Put on leather gloves to protect your hands from the chain. Take the cover off the air filter by turning the knob counterclockwise and lifting it off. When you notice the chain sagging slightly below the bar, turn the saw off, and flip up the chain-adjustment handle. Hello Lakeside53! To refasten the cover, do the opposite. To keep the expensive chainsaw in working condition, oil it regularly in the right amount on a weekly or monthly basis. All you need to do is check the oiler in different ways, fix the problems it faces, clean sawdust. So when to replace the pump? Step 1 Take Precautions. Turn the chainsaw off, place it on a flat surface and allow it to cool. This keeps the fuel/air ratio in the combustion mixture constant and hence also the engine power. Place a sheet of paper on the ground. If the tank is not full, fill it using an oil formulated especially for lubricating chainsaw bars. You can speed up the reading process by watching Youtube manuals on using the Stihl chainsaw or reading articles on the web. Still confused regarding the parts of the complex machinery, let us give you a preview of the body parts of a Stihl chainsaw. I do my best to teach you how to easily diagnose problems the fastest, quickest and most efficient way with real repairs beyond just replacing a spark plug. For cutting short pieces of wood without complicated measuring, can be used as a felling direction indicator to check the cuts and felling direction, demonstration video on DVD. JavaScript is disabled. If so Read on..if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[336,280],'mylogsplitter_com-medrectangle-4','ezslot_11',166,'0','0'])};__ez_fad_position('div-gpt-ad-mylogsplitter_com-medrectangle-4-0');Repair of chainsaws, gasoline-powered tools. Remove the two nuts that hold Felling direction indicator and cutting guide in one. The saws 2-inch-wide bar has a narrow tip that helps it slot into tight spots. Dealing with a chainsaw, specifically a Stihl chainsaw, comes with a ton of risks. Make sure the chain brake is disengaged. Wear leather gloves to protect your hands from oil and chain. And you have got these already! Safety, cutting attachment, bar and chain, fuel, oil, chain brake, stopping/starting engine, adjusting carburetor, air filter, engine management, spark plug, chain sprocket, sharpening the chain, maintenance and care, specifications. This is The Stihl MS 181 User Guide, owner manual. Rs^,:Rb00(n=7(+N:%RZ4x>qZ>Li]o? I'm the chief of EditorsVine. Start the chainsaw and adjust it to half throttle. Lubricate the running chainsaw bar with your spray oil over a light-colored surface. Shut off the Stihl chainsaw until the chain stops running and cools down a bit. Check the tank for the bar oil level (if no oil is dripping off the bar). Check the tank for the bar oil level (if no oil is dripping off the bar). You know, lubrication is vital to the Stihl chainsaw; for its all-over functions and performs. The only difference I could see is engine shroud differences, and possibly needing a muffler spacer on the 034 Super. How To Adjust Oiler On Stihl Chainsaw? The result is lower fuel consumption and high torque across a broad rpm range. Due to factors beyond the control of DONYBOY73 The Small Engine Doctor, no information contained in this video shall create any express or implied warranty or guarantee of any particular result. 3 Easy Steps, Step 2 Remove nuts & clean the oil tank, Step 3 Turn the bolts clockwise to adjust, Still Getting No Oil? Just like a living tree, it'll always be a work in progress. Best 2 Stroke Oil For Chainsaw a 4 Brand Show down, How to Adjust a Carburetor on a Stihl Chainsaw. Just release the sprocket cover and turn the adjusting wheel to set the optimum tension. The oil pump can get damaged in many ways or can get clogged from impurities in the oil. The pre-cleaned air is routed to the air filter via the pre-separator duct. The correct quantity of fuel is delivered to the carburettor depending on the quantity of air passing through the air filter. In most cases, the saw will start, and all you have to do is press the trigger for the choke lever to move automatically to the run position. I have seen an 038 filter that looks about the same, will that fit up? I'll have a go at getting the clutch drum off. March 2, 2013 in Chainsaws. Hopefully, our tricks and tips on how to adjust oiler on Stihl chainsaw were helpful for you. And how best to use the MS 181 C-BE for cutting up fallen limbs or whole trees. Saw has the chain adjuster on the side. Also, clean the oil way on the motor housing with that. This system comprises a STIHL Ematic or Ematic S guide bar, a STIHL Oilomatic saw chain and a variable-flow or reduced-flow oil pump. I wasn't sure if I was looking in the right place though. More information for the service and repair of the Stihl MS 171 chainsaw can be found in the service workshop manual, parts list, carburetor manual and any technical notes available for PDF download or online viewing on this website. Also check out any questions and answers, articles or the full specifications pages for the MS 181 chainsaw. When placing a longer bar on a chainsaw, it is necessary to increase the oil flow to accommodate the extra length. (And not the other way around.) Take, for example, the saws IntelliCarb system. It will use approx. Shake it around for a bit and empty the tank. A chainsaw cannot function properly without an efficient flywheel. #2. 13 Possible Reasons, Craftsman Pole Saw Leaking Oil Fix In 3 Effective Ways, Stihl Chainsaw Spark Plug Gap All You Need To Know. For MS 171, MS 181, MS 211, all design variants. Perfect for cutting firewood, for building work and for felling small trees. Width across flats: 19 (for MS 261 up), 19-13 (for MS 271, MS, 291, MS 311, MS 391), 1916 (for MS 170, MS 171, MS 180, MS 181, MS 193 C, MS 211, MS 231, MS 241, MS 251), 16 and 13 ( for MS 150, MS 201, MS 201 T). For storage and transport of all battery-powered and petrol chainsaws with bar lengths up to 45 cm (not suitable for electric chainsaws and petrol chainsaws MS 441 C-M, MS 461, MS 661 C-M and MS 880). The filter doesn't need to be cleaned until an appreciable drop in power occurs. STIHL reserves the right to make changes to technical specifications and equipment. Even if the two nuts will fit, I don't think you could put the carb cover on. I'll take a look. I dont think I would worry a lot about making sure the same parts go with those saws except the piston/ring/cylinder assemblies were all correct. WebLocation: Canastota New York. Packed with new technologyat a value pricethe STIHL MS 181 chainsaw is designed to reduce vibrations, making it more comfortable to operate. Sometimes it happens; you may have lubricated the oil pump enough to get the power to slice very hard surfaces, but the oiler isnt working at all. Start the chainsaw again, and voila! 1. Due to compression pressure, jerky stresses occur when starting internal combustion engines. 1. Scrape out any thick oil or sawdust with the screwdriver. Here goes.. Make sure these are not plugged with sawdust. Don't peg the throttle either. Pull off the bar cover, bar and chain. So you want to be a freelance climber do you. DONYBOY73 The Small Engine Doctor assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. With STIHL Quick Chain Tensioning, it's easy to adjust the saw chain, without tools and without coming into contact with the sharp saw chain itself. As a result, virtually every drop of chain lubricant is delivered to exactly the right spot. You can use gasoline. Should be more like 1:1. Wipe down the clutch housing area with the rag. For MS 171, MS 181, MS 211, all design variants, ANDREAS STIHL AG & Co. KG, D-71336 Waiblingen, Petrol chainsaws for property maintenance, Petrol chainsaws for agriculture and horticulture, Robotic mowers, lawn mowers, ride-on mowers and lawn scarifiers, Hedge trimmers and long-reach hedge trimmers, 3,5/3 For cutting short pieces of wood without complicated measuring, can be used as a felling direction indicator to check the cuts and felling direction, demonstration video on DVD. Remove the e-clip holding the sprocket drum on and remove the drum. With the Easy2Start system on board, firing up this chainsaw couldnt be simpler or faster. Mini boss This model in my opinion is not much of a step up from the ms-180 which is 150 $ cheaper. How Do You Adjust The Stihl Chainsaw Oiler? The result is a convenient starting procedure with practically. Check it! Move the screwdriver back and forth through the slot to remove any old oil buildup and sawdust or wood chips. 1130 350 0500 4.64.6 out of 5 stars(361) 200+ bought in past month $8.00$8.00 FREE delivery Sun, Apr 16 on $25 of items shipped by Amazon Or fastest delivery Fri, Apr 14 Stihl 61PMM3 50 Genuine OEM OILOMATIC Chain Saw Chain 14" MS170 MS171 MS180 On the ms181 there could be broken hoses from the tank to the pump or the tank could be cracked or just tempature changes forcing the oil out of it. Select the supplier or trade you require, enter your location to begin your search. 1) Without fuel, without bar and chain You need to be a member in order to leave a comment. For a better experience, please enable JavaScript in your browser before proceeding. Anytime I have needed to tighten the chain on my Stihl, I first loosen the nut, then yank the bar with one hand to get the chain as tight as I can, then with the other hand turn the adjusting screw until it's snug, and the chain will only stretch upward about 1/8" off the top of the bar. However, if the chain has an oily film on it, you shouldnt have worried. 4) K-factor according to DIR 2006/42/EC = 2m / s . The two-stroke engine with STIHL 2-MIX technology saves up to 20 % of fuel and reduces emissions by up to 70 % compared to STIHL 2-stroke engines of the same performance class without 2-MIX technology. - Video donyboy73 352K subscribers Subscribe 4.3K 201K views 2 years ago You've been a great help! Now turn the dial above the handle forward. Youre back to cutting in no time. In this case, less is more. Clean it out properly. endstream endobj 42 0 obj <>>>/Filter/Standard/O(_|l,*!^5\)n\rw3/)/P -1340/R 4/U(vi\n tf9 )/V 4/StrF/StdCF/StmF/StdCF>> endobj 43 0 obj <> endobj 44 0 obj <> endobj 45 0 obj <>stream Turn the chainsaw off to adjust the oiler. If youre leaking oil onto the clutch, then you probably have worn seals around the oil pump or ruptures in an old oil hose, according to the MS 250 service manual. Four overflow channels swirl the fuel-air mix before ignition, allowing for optimum combustion and highly efficient performance. New guy here Long time reader, I learn something new every time! This is a handy cut to use when felling using the open-face directional felling notch, but you also need to use the method when cutting up trees downed by winter or spring storms. My recently-purchased 034 says "034AV Electronic Quickstop" on the plate, but it does have the side adjuster. Price: $19.52. Do that a couple times and then run some mix for oil with the bar and chain off. This small saw gives you a clear indication in both cold starts and warm starts of where the choke lever needs to be positioned. STIHL long-life air filtration systems with pre-separation achieve perceptibly longer filter life compared with conventional filter systems. Start your chainsaw and allow it to warm up for a few minutes. Without the flywheel, your motor wont work, and for that, you will have to take care of the flywheel from being bent, broken, or jammed. There should be a light misting of oil hitting the paper off the chain. Copyright 2022 Arbtalk A gentle pull is all it takes to bring the saw to life. Replace The Oil Pump. Special caps to open and close the tank cap quickly, easily and without tools. Compared to conventional bars without Ematic, the STIHL Ematic system reduces the consumption of chain lubricant by up to 50 %, depending on the type of wood and the cutting attachment used. Set the chainsaw in an upside-down position. Sorry, I am bring back this old thread. However, you can check and clean the oil pump at home. Insert the screwdriver into the oilway on the motor housing above the blade bolts. You need an adjustable wrench to remove the nuts. The pumps do wear quite quick and are inexpensive and pretty easy to replace. But how to adjust oiler on Stihl chainsaw? WebSTIHL bar and chain oil is made specifically for your STIHL chainsaw, keeping it protected and running smooth like the well-oiled machine it is. Roy Berendsohn has worked for more than 25 years at Popular Mechanics, where he has written on carpentry, masonry, painting, plumbing, electrical, woodworking, blacksmithing, welding, lawn care, chainsaw use, and outdoor power equipment. These tips are for both the homeowner and shop owner.Whether it be a handheld, two stroke, two cycle engine like a chainsaw, weed eater, weed wacker, string trimmer, grass trimmer, line trimmer, hedge trimmer, strimmer, brush cutter, leaf blower, or four stroke, four cycle units like a lawnmower, wood splitter, lawn tractor, snowblower, pressure washer, generator or a ride on mower that needs parts installed or replaced, Im your go-to guy.My favorite brands of spark plugs are NGK and Champion and are the ones I recommend.Ive been a small engine mechanic for many decades and also run my own repair shop so my videos are loaded with tips and tricks that I have learned and want to share with you. Hello! That little wire fits into the notch of the sproket drum. Location: Canastota New York. Observe the paper as the speed increases. A chainsaw with reduced-emission engine technology, STIHL Easy2Start, and Quick Chain Adjuster. Thanks for the reply Lakeside53! Powered by Invision Community. With tension off the chain, turn the adjustment wheel forward. This puts a premium on a saw thats easy to start when cold but also easy to restart, without flooding, when warm. This engages the small geared mechanism under the saws sprocket cover and will cause the bar to move forward, away from the engine. How to Change Oil in a Craftsman 4-Cycle Trimmer, How to Change the Oil Filter on the Hustler Zero Turn Mower, How to Change the Chain on a Husqvarna 350 52cc Chainsaw, University of Missouri Extension: Operating a Chain Saw Safely, Stihl USA: Stihl MS 290, 310, 390 Instruction Manual, How to grow your own herb garden in any indoor or outdoor space, How to Adjust the Oiler on a Husqvarna 55 Rancher, How to Clean the Oil Hole on a Craftsman Chainsaw Chain Bar, How to Adjust a Poulan Chain Saw Bar Chain Oil Flow. The clutch is a component that allows your engine to run freely at low speed without moving the chain physically. This ensures that there is sufficient fuel present to create an ignitable air-fuel mix on starting, requiring significantly fewer starting pulls. If you don't see any oil splattering onto the surface of the wood, the chain bar is not sufficiently lubricated. CUB CADET Part # MA How could a machine run with a disturbing power source? JavaScript is disabled. Register today and take advantage of membership benefits. http://patreon.com/donyboy73Connect with me on these social media spaces (plus that's where I announce contest winners)Facebook: https://www.facebook.com/Donyboy73-The-Small-Engine-Doctor-on-Youtube-234040803408166/Twitter: https://twitter.com/donyboy73Instagram: https://www.instagram.com/donyboy73/If you enjoy my videos make sure to comment, share, thumbs up and subscribe. Width across flats 19-13 for MS 271, MS 291, MS 311 and MS 391, width across flats 19-16 for MS 170, MS 171, MS 180, MS 181, MS 193 C, MS 211, MS 231, MS 241 and MS 251. I'm not sure if your saw has an adjustable oiler, you may want to check into that. However, if they are 034supers or 036's they should be the same. Any injury, damage or loss that may result from improper use of these tools, equipment, or the information contained in this video is the sole responsibility of the user and not DONYBOY73 The Small Engine Doctor\".#donyboy73 #db73 #smallenginerepair #howto My name is Lance H Manuel. 3) K-factor according to DIR 2006/42/EC = 2.5 dB (A) Adjust the idle screw after starting the saw and letting it warm up for about five minutes. Fit your wrench on the nuts properly and rotate the wrench counterclockwise. 1) Without fuel, without bar and chain Shut off the Stihl chainsaw Brush off the filter or replace it when it gets really filthy. We think so! Hi all,I am currently running a stihl ms181 amongst other saws . Now, theres some difference between a regular chainsaw and a Stihl chainsaw, and you may find it confusing at first but read this guide twice to get an idea. Look on the outside of the clutch and you shoul see what looks liek a little wire. If all are clear and open, replace the bar and chain and check it! Confistulina: a rare and little-known state of Fistulina hepatica, Top 10 most popular wood-burning and multifuel stoves. Remember, when you have the chain saw without other parts and chain installed, you have to be extremely careful to run it as there is a chance the clutch could coming off the saw. WebEasy to start and perfect for around-the-garden cutting jobs. Before removing the nuts, you should turn off the chainsaw and let it cool. The MS 181 C-BE is small and clearly designed for amateur woodcutters, particularly those faced with landscape maintenance. The Quick Chain Adjuster makes adjusting and removing saw chains simple no tools are needed. Point the end of the bar at the sheet of paper and squeeze the trigger to increase the speed. A little less than half maybe. Check your adjustments on the paper again, and make minor adjustments as needed to maintain a wet film of oil on the chain. For tidy storage and transport of chainsaws with bar lengths up to 45 cm. Slide the latch back, lift the cover back, and pivot off the saw. The piston is slightly different on the sides compared to the 1st saw The chain adjuster is similar to the 1st saw, but has only 1 screw holding it on instead of 2. This system comprises a STIHL Ematic or Ematic S guide bar, a STIHL Oilomatic saw chain and a variable-flow or reduced-flow oil pump. But that non-industrial use category doesnt mean that Stihls engineers skimped on any aspect of its design. This controller in the carburettor prevents the fuel-air mixture getting richer as the air filter becomes clogged. The mentioned accessories usually come with the Stihl chainsaws and are mandatory to use during industrial projects, so care for your safety first. By I have several saws to put back together, so it's back to work! http://www.ultimatehandyman.co.uk/manuals/stihl/21.pdf, http://www.manualdepotweb.com/shop/index.php?target=products&product_id=80, http://www.ultimatehandyman.co.uk/manuals/stihl/21.pdf[/QUOTE]Really. The last thing you need is gouging the tree trunk. Take you side cover and bar and chain off. So, running it with a sick oiler isnt fair, Right? Checking and Cleaning the You are using an out of date browser. Your email address will not be published. Here some tips and solutions to problems you would face while checking or adjusting the Stihl chainsaw oiler. Iam trying to determine which hood to put on the one saw that I only have the case and piston for (whether it's an 034 super or an 036) Iam missing some important parts to help me determine what model it actually is.I even called the Stihl 800 # and he couldn't help me trace the serial #. You are using an out of date browser. This trick also needs the running chainsaw without cutting through wood. Side-mounted chain tensioning makes it easy to tension the chain safely. | Every Detail Exposed! It controls how much air can flow through the tube and prevents the chain from being driven if the trigger is accidentally pushed. The automatic oiler supplies more lubrication at higher speeds. Its a small and thoughtful feature to help the weekend wood cutter to be able to check the air filter or change a spark plug. They are a non adjustable oiler. The length of the bar also varies according to the wood size and type; however, smaller bars are easier to handle and are safe as well. Just release the sprocket cover and turn the adjusting wheel to set the optimum tension. ANDREAS STIHL AG & Co. KG, D-71336 Waiblingen, Petrol chainsaws for property maintenance, Petrol chainsaws for agriculture and horticulture, Robotic mowers, lawn mowers, ride-on mowers and lawn scarifiers, Hedge trimmers and long-reach hedge trimmers, 3,5/3 2) K-factor according to DIR 2006/42/EC = 2.5 (dB (A)) Received 1,725 Upvotes on 1,549 Posts. When the gas tank is empty, there should be a small amount of oil remaining in the tank. The two-stroke engine with STIHL 2-MIX technology saves up to 20 % of fuel and reduces emissions by up to 70 % compared to STIHL 2-stroke engines of the same performance class without 2-MIX technology.