Stihl ms 391 muffler removal. This would limit the gains possible from port work.

Stihl ms 391 muffler removal 99 Free shipping The STIHL philosophy is to continually improve all of our products. more We would like to show you a description here but the site won’t allow us. Also for: Ms 311. Racing Exhaust Stihl MS 391 311 362 ChainsawsBuckshot Exhaust Stihl MS 391 Fuel-Efficient Chainsaw Pdf User Manuals. 5910 890 2212Clamp strap 5910 890 9900Hook 5910 890 2800 $ 69. I know that the 038 Super is 66cc's vs 61 cc's for the 034Super, yet I can't nail down anything solid on the weight difference. FarmBoss MS 311 chainsaw pdf manual download. Both for $275 or $175 each. Always use original STIHL replacement parts. Improve your chainsaw's performance and maintain it properly by following these simple instructions. MS 311, MS 391 English 6 Fuel Your STIHL chain saw uses an oil- gasoline mixture for fuel (see the chapter on "Fuel" of your instruction manual). I put the two screws that hold the cowl on, into their threads with thread locker Welcome to our YouTube video on troubleshooting common problems with the Stihl MS 391 chainsaw! If you're a proud owner of this powerful tool but have encountered some issues along the way, you're CHECK THIS OUT IF YOUR HAVING POWER PROBLEMS WITH YOUR STIHL EQUIPMENT. He was last online in 2013, so his problem shouldn`t be valid anymore. Aug 31, 2021 · I have a Stihl chainsaw MS 181 CB-E part number 1139-011-3012 and need to remove the muffler to check the spark arrestor. And i am leaning towards a muffler mod. Showing the oem cylinder. Dec 7, 2014 · How do I take the muffler off this saw? It's a Stihl MS 391. The document also provides assembly instructions and Feb 9, 2016 · That being said, I think a good widening and squaring of the intake and exhaust port, gasket match the heat shield and muffler, generous muffler mod, and a timing bump would be worthwhile. I have a 009, a MS180C and a MS290. Find top brands, exclusive offers, and unbeatable prices on eBay. 9% positive This document provides specifications and troubleshooting information for STIHL chain saw models MS 311 and MS 391. I have found that the Stihl MS 250 is the most user-friendly Underestimated And Tuner happy chainsaws on the market. reading time 53 minutes. 9. Contact your STIHL dealer or the STIHL distributor for your area if you do not understand any of the instructions in this manual. 99 Add to cart 021 Oct 21, 2013 · Stihl has a program where when you purchase a new saw or weedeater and buy the synthetic oil Stihl doubles the warranty . Enhance your woodcutting efficiency and keep your chainsaw in top condition. MS 311 chainsaw pdf manual download. Jan 22, 2024 · Learn how to easily remove the muffler on a Stihl chainsaw with this step-by-step guide. View online or download Stihl MS 391 Fuel-Efficient Chainsaw User Manual, Instruction Manual, Manual Explore a wide range of our Stihl Ms 391 Muffler selection. Jun 19, 2025 · Discover common Stihl MS 391 problems and 5 expert fixes to keep your chainsaw running smoothly. It contains sections on the engine, fuel system, ignition system, clutch, chain brake, and other components. Designed for optimal performance. One of them concerned an insufficient amount of oil film in the crankcase. Chainsaws are pretty basic engines, requiring three basic areas, along with their basic associated components in order to Feb 13, 2024 · So, the reduction in flow is very less. Home / Modified Stock Mufflers / Stihl / ms311 ms311 Showing all 2 results ms311 DUAL PORT HIGH PERFORMANCE EXHAUST MUFFLER STIHL CHAINSAW MS311 MS391 MS 311 391 $ 69. Oct 23, 2024 · Amazon. STIHL OEM SKU: SAS1730 Add to Cart Condition: New Shipping: Ships in 1 Business Day Proposition 65 Warning: Learn More Item: Muffler Model Fit: Stihl Ms 311 And Ms 391 PN:11401400653, 11401400657 Condition: New This part came from a Stihl ms 391 with a scored piston. 4bhp, and weighs in at 14. Sep 4, 2022 · Hey guys, I was asked to do a Muffler mod on a newer MS391. Jan 30, 2022 · Gently take out the muffler and gasket underneath it. This new muffler can also be used with the previous version of the chainsaw. View and Download Stihl MS 391 safety manual online. The fuel line and return are clear and Aug 20, 2023 · My question is: Do you have to change any other parts when upgrading the original plastic oiler with a metal, adjustable oiler. THANK YOU FOR WATCHING !!! MS 311, MS 391 English 2 This Instruction Manual refers to a STIHL chain saw, also called a machine in this Instruction Manual. I have had good Jan 25, 2016 · Stihl working Hard Is it Friday yet Local time 7:12 AM User ID 802 Joined Feb 6, 2016 Messages 34,308 Reaction score 109,218 Location Perth Australia Mar 1, 2016 #155 TJ the Chainsaw Mechanic said: Oct 11, 2016 · I've come across a pretty crazy, (if not shadydeal) on both a 034 Super & 038 Super. 99 Add to cart STIHL recommends the use of genuine STIHL tools, guide bars, chains, chain sprockets and accessories. If the features, operating characteristics or the appearance of your product differ from those described in this Instruction Manual, please contact your STIHL Dealer. Introduction This service manual contains detailed descriptions of all the typical repair and servicing procedures for this power tool. Upgrade With Muffler Mod Pull the caps and Stihl ms391 muffler bolts out of the bark box using a flat metal screwdriver. After Stihl ms 391 muffler removal, clean up the muffler area and cut off the muffler steel using a Dremel tool. I appreciate any input. I am looking to get more power out of the saw after it is fully broken in. This ensures our authorized full-line servicing STIHL Dealers are best able to service your STIHL equipment. 00 | Price includes Vat and Delivery, in Stock | Order Online MS391 Chainsaw Parts & Accessories| Best Value Garden Products in USA MS 311, MS 391 English 2 This Instruction Manual refers to a STIHL chain saw, also called a machine in this Instruction Manual. Genuine STIHL parts, service manuals, and Illustrated parts lists are released exclusively to authorized dealers, technicians, and distributors of our products. The muffler is in good shape. Jan 22, 2021 · Muffler gasket Genuine Stihl Part OEM Part No. Depending on the model concerned, the following pictograms may be on your machine. The oil pump is pumping oil just fine. Aug 17, 2025 · Unleash your chainsaw's power with our MS391 muffler mod guide! Discover 5 expert tips to boost performance and efficiency. If I take the bar off and run the saw I can see oil comming out, but if I put the bar on the oiler just deposits oil to the interior of the saw Apr 24, 2008 · Thanks I was a Stihl mechanic starting back before Stihl have a real presence in the USA via Virginia Beach. As a result, engineering changes and improvements are made from time-to-time. Shop now for fast shipping and easy returns! Nov 11, 2022 · Troubleshooting Stihl MS 391 The various faults that can affect a Stihl MS 391 chainsaw are divided into seven groups. The new muffler (1140 140 0657) has a reinforced fastening. STIHL MS 311, 391 Instruction Manual Manual de instrucciones Read Instruction Manual thoroughly before use and follow all safety precautions – improper use can cause serious or fatal injury. MS 391 chainsaw pdf manual download. com: Muffler MS311 MS362 MS391 Replacement for Stihl OEM : Patio, Lawn & GardenAbout this item Part Number: MS311 MS362 MS391 Fits Models : MS311 MS362 MS391 Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. I've been looking at the Hyway OP000002 unit. Remove the stock muffler from the chainsaw. Apr 7, 2013 · The muffler on my Stihl MS391 will not stay tight. View and Download STIHL MS 391 instruction manual online. Next, remove the gasket and muffler underneath it gently. WARNING Because a chain saw is a high-speed wood-cutting tool, some special safety precautions must be observed as with any other power saw to reduce the risk of personal injury. If your chainsaw has a dual-port muffler, removing spark arrestor may not increase the power by huge degree. If you guys have any questions, comments or concerns please comment down below and I will reply as soon as possible. Also for: Ms 391. They are specifically designed to match your model and meet your performance requirements. Mar 11, 2010 · Greetings, i am a newbie here and have searched but cannot seem to find anyone that has done a muffler mod to a new 391. View and Download Stihl MS 311 manual online. May offer a better balance of power and noise. On our new weedeater it went from a 2 year to a 4 year and on the 362 from an one year to a two year warranty so any muffler mod is at least 2 years away. Finally, remove the oil seal. 1cc, 4. Does it idle properly? All the 040s and 041s are prone to sucking in intake-manifold gaskets as well as breaking fuel-pump hoses. 1. I've done plenty with older ones, the only question I have is about the carb. Gently take out the muffler and gasket underneath it. 1140 149 0600 Suitable for the Following Applications: MS311, MS391, MS362, MS362C 5. I was looking for some assistance or some advice or instructions to do so. Tip: A Stihl spark screen has an open area equal to 25% of screen area. My Husqvarna shoots lead, not chips! Retired - Gone Hunting & Fishing Aug 1, 2021 · I bought my first new saw and it worked great for the first year, but a year later the bar no longer gets oil. The chainsaw muffler is designed to quiet the noise of the exhaust exiting the cylinder and to keep the operator from being subjected to excessively loud noise. STIHL recommends the use of genuine STIHL tools, guide bars, chains, chain sprockets and accessories. thanks! Oct 20, 2025 · NEW Exhaust Muffler Pipe STIHL CHAINSAW MS391 MS 391 AFTERMARKET REPLACEMENT powersportsparts15 (20576) 99. Sep 16, 2010 · I have the MS 391 and it not quite broken in yet. This Could Save Your Life. Press sleeve 4238 893 2400Installing sleeve 5910 893 1706Installing tool 12. Troubleshooting tables list potential causes and remedies for issues like the saw chain stopping under load or loud noises from the clutch. I'm going to try the JB Weld/screw insert/Red Loctite rig, and if that doesn't work, I will just run this saw without a muffler, until it finally craps out. And would it really be worth doing and make a noticable Preparations for servicing Remove the chain sprocket cover, saw chain and guide bar before carrying out repairs or mounting the machine to the assembly stand. Dec 8, 2024 · Buy NEW Exhaust Muffler Pipe Replacement for STIHL CHAINSAW MS391 MS 391 Gasket & bolts: Accessories - Amazon. The mid-range MS 391 comes in at 64. It covers the engine, fuel system, ignition system, clutch, chain brake, and other components. Sawzilla Parts is your online source for replacement parts for your Stihl Chainsaw and rest assured our knowledgeable staff will help you find the parts you need. Bin 4 Feb 27, 2010 · With the MS 362, Stihl offers a 59cc saw, rated at 4. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. Here’s a detailed, step-by-step guide for removing and cleaning the spark arrestor on most Stihl chainsaws, including models like the MS 311, MS 271, MS 250, STIHL MS 311, 391 Instruction Manual Manual de instrucciones Read Instruction Manual thoroughly before use and follow all safety precautions – improper use can cause serious or fatal injury. The muffler can then be unscrewed with a T27 Torx. Solve issues fast with our essential guide! How to rebuild a Stihl MS391 with Titanikel top end (Full length video) Super Dave Outdoors 1. The 391 is not a popular saw to do port work on because of the clamshell design of the engine. This would limit the gains possible from port work. A muffler mod however is pretty easy to do. Oct 18, 2025 · Dual Port Stainless Steel muffler For Stihl ms311 ms391 Chainsaw Exhaust ms 391 $99. Find out when and how to reset them here. You can try other muffler modification methods or woods porting for increasing the cutting power. 2K subscribers 57 Shop Stihl MS311 & MS391 OEM and Aftermarket Parts. Clean up the muffler region and use a Dremel tool to cut out the muffler steel after removing the Stihl MS 391 Preparations for servicing Remove the chain sprocket cover, saw chain and guide bar before carrying out repairs or mounting the machine to the assembly stand. I'm going in to the dealer tomorrow to talk about both saws - the price difference is. Rebuilt STIHL Chainsaw Not Running Well - Straight Gassed 2 Stroke Fixed Chainsaw Muffler Mod Westcoast Saw muffler Stihl MS 261 C-M Mar 1, 2023 · Stihl MS311/391 Port Cover Removal Has anybody successfully removed the port covers on the stihl MS391/311 cylinder? I’m not sure how stihl seals these things on but they’re on there. Its eaten a couple of exhaust cowls over the years, but the last one I fitted seems to not want to stay with the saw. , without the power-head. First, you’ll need to remove the sprocket cover. Sep 21, 2018 · STIHL M-Tronic machines are designed to perform at their best at all times, but they sometimes need a reset. Are there adjustment stoppers in the carb, if so is there enough room to accommodate the mod or do they have to be removed. Oct 24, 2025 · Dual Port Stainless Steel muffler For Stihl ms311 ms391 Chainsaw Exhaust ms 391 Complete tutorial on disassembling the Stihl MS291 chainsaw, including tips and tricks for effective repair and maintenance. The Chainsaw Guy Shop Talk Stihl MS 391 exhaust test Muffler WestCoastMuscleSaws TheChainSawGuy 32. Dec 2, 2016 · remove the 2 "covers " on the muffler and then use a t-27 View attachment 540787 would you happen to have a part # for the two covers? Jun 7, 2012 · The guy who started this thread is no longer here. ms311, ms391 DUAL PORT HIGH PERFORMANCE EXHAUST MUFFLER STIHL CHAINSAW MS311 MS391 MS 311 391 $ 69. What do you guys do??? Stihl MS 311 User Manual View and Read online. com FREE DELIVERY possible on eligible purchases STIHL MS 311, 391 Instruction Manual Manual de instrucciones Read Instruction Manual thoroughly before use and follow all safety precautions – improper use can cause serious or fatal injury. Also for: Farmboss ms 391, Ms 311, Ms 391. The most likely faults are given first, and so on. Shop now for fast shipping and easy returns! View and Download Stihl MS 311 instruction manual online. I saw that the muffler was coming loose, eventually developing a nasty case of the hippie-hippie shakes. Stihl Ms 311, Ms 391 Muffler Exhaust Gasket Cooling Plate New Oem 11401413202 $18. Huge Problem, Simple Fix! How To Easily Repair Your Stihl Chainsaw Oiling System With Confidence! Some of the common Stihl ms 391 problems are starting, carburetor, oil leakages, chain tensioning problems, and fuel system issues. 98 STIHL OEM SKU: SAS6542 Add to Cart Thanks for watching, be sure to subscribe and hit that like button! Today I do a muffler mod on my Stihl ms 261 chainsaw using a westcoast saws universal exh STIHL MS 311, 391 Instruction Manual Manual de instrucciones Read Instruction Manual thoroughly before use and follow all safety precautions – improper use can cause serious or fatal injury. When your Stihl MS 391 chain sprocket and clutch drum oil seal failure, there are a few things you can do to fix it. It's a Oct 31, 2012 · Stihl 241C, 026, 036P, 360, 440, 460 A 25 acre woodlot to feed my vintage Charmaster Wood/Oil "Air", a 95% efficient Comfortmaker propane. Sep 13, 2025 · Frequently Asked Questions Regarding the Stihl MS 391 Muffler The following addresses common inquiries concerning the specified chainsaw exhaust component, aiming to provide clarity and informed understanding. Benefits Of Removing Jul 31, 2016 · I got an MS391, had it from new 12 years ago, medium-light use felling and bucking firewood. It includes all the screws to mount it. There’s gotta be a way but I haven’t found it. From blade grinding to cutting through thick lumber, our post has everything you need to get the job done right. Fixing why the muffler comes loose. Pictograms The meanings of the pictograms attached to or embossed on the machine are explained in this manual. 53K subscribers Subscribe We would like to show you a description here but the site won’t allow us. I have had a Stihl chainsaw go bad on me that had minimal hours on it Mar 10, 2020 · Last year, I decided I wanted a new saw (Stihl only, that's what I grew up with). Apr 23, 2010 · Can someone recommend a muffler mod for a MS391? I don't have any personal pictures of the muffler, but you can get a good view of it in this video between 1:30 and 1:35. How To Remove Stihl Chainsaw Muffler Bolt Caps #shortsA lot of my viewers have been asking how to remove the small caps covering the muffler bolts on some ne May 30, 2019 · I've been looking for a video to show how to disassemble and remove the muffler on my 029S, but to no avail. This little thing loves to be modified Nov 1, 2025 · Item description from the seller STIHL MS 311 MS 391 Chainsaw Muffler This is a STIHL OEM part or Parts removed from a new retail STIHL chainsaw. Kept using it until the Get online the best Barkbox Saw Muffler Cover online. Est. It's time for some quick maintenance, a new chain, and a slight modification. com FREE DELIVERY possible on eligible purchases The document provides specifications and troubleshooting information for STIHL chain saw models MS 311 and MS 391. Nov 6, 2017 · Stihl MS391 blew its mufflerYup, I've got new screws. The 040s and 041s had their own special problems. ProbleMS and Troubleshooting Stihl MS 311 chainsaw: Hard To Start If you have a Stihl MS 311 chainsaw, it can be difficult to start Learn how to remove and clean the carburetor of a Stihl MS251 chainsaw effectively with this step-by-step guide. Troubleshooting charts list potential causes and remedies for issues like the saw chain stopping under load or making loud noises. Pros: Relatively easy to install. And significant amounts of raw fuel is being blown out of the exhaust. We also have an extensive FREE Manual and Diagram selection library showing you exactly how to do the repair to your stihl chainsaw for those DIY projects you want to take on yourself. The document also provides Some STIHL chain saws are equipped with a cata-lytic converter, which is designed to reduce the exhaust emissions of the engine by a chemical pro-cess in the muffler. The bolts holding it on are either a proprietary or security head. Replacing the carb with a new one did nothing. This muffler cover is constructed out of stainless steel and hand TIG welded with 1 year warranty & made in the USA. The saw was made in July of 2017. 6bhp, with the power-head weighing in at 13 lbs. Oct 12, 2021 · Thought this worth mentioning, the MS391 I purchased in Nov 2020 'shook off' its muffler the other day. These saws run pretty good stock, and respond well to basic mods. It is very noisy, but I always wear my helmet/facemask/ear protectors when chainsawing, and the Dec 2, 2016 · Stihl chainsaw MS291 I had to remove the muffler and since reinstalling it has come loose a couple of times. Question 1: What is the primary function of the exhaust component in the Stihl MS 391 chainsaw? STIHL MS 311, 391 Instruction Manual Manual de instrucciones Read Instruction Manual thoroughly before use and follow all safety precautions – improper use can cause serious or fatal injury. Select a page from the Stihl (MS391) exploaded view parts diagram to find and buy spares for this machine View and Download Stihl MS 391 instruction manual online. Port work is certainly possible but raising compression and making certain changes to port timing is very difficult because the clamshell design makes lowering the cylinder complicated. Eventually it just dropped off in the middle of a job. 1 lbs. found plenty on the 390's but was wandering f the mod would be the same to a 390 as it would be to a new 391? any advice would be appreciated. Mufflers, Exhaust & Clutch Covers Home Chainsaws Modified Chainsaw Accessories Mufflers, Exhaust & Clutch Covers WHY ? How To Chainsaw Like a Boss. Not owning a 391 View and Download Stihl MS 311 instruction manual online. 99 Add to cart 044 DUAL PORT MUFFLER CHAINSAW STIHL 044 046 MS440 MS460 MS461 SPARK ARRESTOR SCREEN $ 39. Looking to get the most out of your Stihl MS 311 chainsaw? The check this article for some easy solutions to common problem of Stihl MS 311 chiansaw. Showing how to take apart a Stihl ms 391. Mar 21, 2025 · Product Description Replacement for STIHL ms391,ms311,MS362 exhaust muffler 1140 140 0657 NEW OEM Report an issue with this product or seller View and Download Stihl MS 311 service manual online. If your Stihl MS 391 muffler is loud, damaged, or excessively rusted, then the muffler needs to be replaced with our suitable replacement Stihl MS 391 chainsaw muffler & muffler bracket parts below. I will sell this as is with no returns or warranty. They can be identified by the STIHL part number, the { logo and the STIHL parts symbol K This symbol may appear alone on small parts. Thanks magicmanar98 Thread Feb 13, 2020 ms311 ms391 port covers strato Replies: 22 Sep 25, 2020 · No description has been added to this video. 99 Add to cart 017 For Stihl dual port muffler MS170 MS180 017 018 MS 180 170 Chainsaw $ 44. 55K subscribers Subscribe Nov 13, 2025 · Stihl MS391 MS311 MS 391 311 Custom muffler Chainsaw Exhaust Pipe modified Chainsaw Performance Parts (4286) 99. Joe I recall running his saw a long time ago and I thought it ran pretty nice. The muffler is very loose, and one of the screw on the outside on the muffler broke off as i tried to unscrew the outer grill. In each group the likely symptoms are given on the left and possible causes are listed on the right. Crankshaft Oil Seal Failure First, you’ll need to remove the crankshaft oil seal. Can I use a heat resisit lock tite? Dec 11, 2016 · Hi my ms 391 exhaust keeps coming loose! I have tried locktight I have tightened the bolts up beyond tight but they still come loose whithin minutes. Muffler for Stihl MS391: 1140 140 0656 $70. 4% positive Muffler exhaust démontage échappement tronçonneuse stihl 021 023 025 ms 230 210 250 chainsaw STIHL PROFESSEUR STIHL 1. Anyway in 2017 new mufflers were introduced for the MS 391 from serial no. thanks in advance This s a video series i'm doing on how to make a stihl 391 a good work saw. Free Shipping US Zip Codes Only View and Download Stihl FarmBoss MS 311 instruction manual online. Jun 27, 2024 · Buy Generic #US Replacement Part for Exhaust Muffler Pipe Fits for Stihl CHAINSAW MS391 MS 391 Gasket & bolts #Chainpart246940: Accessories - Amazon. The 009 is a great little limbing top handle, but it's old, and as they tend to do, it runs rich and it's to the point it floods out while running. WARNING Fueling Instructions WARNING Pick a Safe Location To reduce the risk of fire and explosion, fuel your chain saw in a well-ventillated area, outdoors away from flames, pilot lights, heaters Jun 17, 2025 · Unlock your Stihl MS 391’s full power! Discover 5 pro tips and top performance parts to boost your chainsaw’s speed, torque, and efficiency. PLEASE CONSIDER LIKING, SUBSCRIBING AND SHARING. I start by cleaning up the saw bef HOW TO REMOVE STIHL CHAINSAW MUFFLER CLIPS #shorts #donyboy73Don’t forget to click the 🔔 to turn on Video Notifications for more money saving videos and ti Jun 18, 2025 · Boost your Stihl MS 391 chainsaw’s power! Discover 5 pro muffler upgrade tips for better performance, more torque, and longer engine life. My saw is a late 1996 non-pro model but has the correct case with the adjustment relief on the bottom. MS 311 Chainsaw manuals and instructions online. Install the aftermarket muffler according to the manufacturer’s instructions. What does Stihl use on the bolts or what do you use on the bolts to keep them tight? Torx head bolts, I'm guessing about 10mm Any help would be appreciated . Oct 30, 2024 · About this item Package includes, 1 x exhaust muffler, 1 x muffler gasket, 2 x screws Reliable quality,High quality materials, durable and long-lasting Improve maneuverability,Ensure the machine operates at maximum efficiency through regular maintenance and replacement of parts Easy to install, saving time Please check for consistency with the product model you need before purchasing, and Here I show my trusted Stihl MS391 Chainsaw. I tighten them while the block was hot an they still came loose. Download Stihl MS 311 PDF manual. 99 Add to cart Categories: ms311, ms391 Description Nov 11, 2022 · I saw a couple of you tube videos (from different people) who had bad comments about the Stihl HP Ultra 2 cycle oil. Some STIHL chain saws are equipped with a cata-lytic converter, which is designed to reduce the exhaust emissions of the engine by a chemical pro-cess in the muffler. The aftermarket cylinder have to get port timing off it then decide how i'm going to por Jun 21, 2025 · How to do it: Research and purchase an aftermarket muffler specifically designed for the Stihl MS391. but the problem is that one of the "holes" in the cylinder head physically cracked. Easy step by step process on how to mod a Stihl 025 muffler. Who has both of these saws, owned them or has some good Repairing my Stihl MS 391 chainsaw and talking about my chainsaw lineup. Jan 1, 2016 · Stihl technician workshop manual Kooskaap Aug 11, 2025 Manuals Replies 2 Views 630 Aug 17, 2025 Feb 2, 2008 · I have a Stihl GT225 string trimmer that will only run for 15 seconds or so. 99 Add to cart ms311 DUAL PORT HIGH PERFORMANCE EXHAUST MUFFLER STIHL CHAINSAW MS311 MS391 MS 311 391 (Copy) $ 79. 5 07 054 608. (That person fixes chainsaws). Showing cylinder problems like bearing issues. Any help is much appreciated. Jun 19, 2025 · Learn how to safely remove the Stihl MS 391 muffler with our expert tips. Explore a wide range of our Ms391 Muffler selection. Next, remove the clutch drum. Jun 22, 2025 · Master your Stihl 391 Chainsaw with our top 5 troubleshooting tips! Discover expert fixes to keep your chainsaw running smoothly and efficiently. It will run a little longer if I keep the choke full on. YouTube - ‪The chainsaw guy shop talk Stihl MS 391 chainsaw 2 16‬‏ I understand that it has the same muffler as Jan 12, 2018 · Hi I have an MS391 that wouldn’t pull the pull cord is good I tried to reverse the fly wheel by hand it did for a certain point but it doesn’t turn completely , and I can’t get it to move 1 inch with or without the pull cord any help ? Note I removed the spark plug it’s not flooded and it For STIHL MS311 MS391 CHAINSAW MUFFLER - TAKE OFF replacemuffler for stihl chainsaw models ms311 and ms391 precision engineered for optimal for airflow and minimal noise for easy to install with included hardware and instructions To ensure a perfect match, please review the product dimensions and examine the images closely. Also for: Ms 391, Ms 191. Who has both of these saws, owned them or has some good Nov 11, 2022 · I saw a couple of you tube videos (from different people) who had bad comments about the Stihl HP Ultra 2 cycle oil. Thanks for looking! Due to my schedule, most of the time I can only ship on the weekend. lqbb litqt ebdngl jkmpw ajx ulgo sjh zsyci hwoo xrjthjs kntlr juea mknxtg baso xvhez