Bugs could be a problem, fire is not. If you own chainsaw like Remington rodeo rm5118r and use it around the house only, you might not need to remove the spark arrestor. I tried burning the carbon with a torch, but had minimal luck. Sometimes, this may happen overnight, depending on your climate. It seems fine. Whether they get plugged up from carbon, or rust out from being heated up, they need to be replaced often. All parts that fit a MS 271 Chainsaw Pages in this diagram Air baffle AV System Carburetor C1Q-S181A Chain Brake Chain tensioner Cylinder Engine Housing Ignition System Oil Pump Rewind Starter Get it Jan 25 - 27. My new mower doesn't even HAVE one from the factory! Ignition System-Muffler. It is our goal to develop a website that is accessible to everyone! 4244 140 8100 STIHL Muffler Spark Arrestor Screen fits BR350 BR430 BR450 OEM Genuine Stihl Part 4244-140-8100, Stihl 4144 141 9000 Spark Arrestor Screen 4144-141-9000, 1130 141 9000 SPARK ARRESTOR SCREEN GENUINE STIHL OEM fits 017 018 MS170 MS180, 4149 141 9001 STIHL Spark Arrestor Screen fits FS94 HL91 HL94 KM94 OEM Genuine Stihl Part 4149-141-9001, Husqvarna Craftsman Poulan Replacement Spark Arrestor Screen # 530023796, Pro Circuit Spark Arrestor Screen 1 1/2" PC4000-0002, Pro Circuit Spark Arrestor Screen: 3.5"/4" 4-Stroke Silencer (PC4000-0000), PRO CIRCUIT SPARK ARRESTOR SCREEN OLD STYLE UP TO '06, Lexx XC Replacement Spark Arrestor Screen Insert, ECHO Genuine OEM Spark Arrestor Screen # A310000070. If the humidity is high and dry, there is a high chance of fire. If the spark arrestor is clogged, the chainsaw may run stall or run rough. To properly clean the spark arrestor, spray the carb cleaner directly onto the unit and allow the cleaner to penetrate and begin to dissolve the carbon deposits. Replaced carb with Amazon $13.00 carb. Your email address will not be published. Keep in mind to add it if you go to cut in state lands later. Gender: Forest & Urban woody plant management. It burns very clean and all my screens stay on. Add. Clear away any obvious debris from the top of the engine and muffler. If your Stihl is stopped after the start, you can restart it because the engine is always one of the main problems of maximum Stihl br. Received 108 Likes on 98 Posts. I expect as part of my regimen I will clean the spark arrestor when I replace the spark plug, typically every hundred hours of use or so. The effect is from 0% to 40%, depending on the open screen area vs. muffler outlet size/placement. Upright Translucent Fuel Tank Allows operator to easily check fuel level before starting work. Hard to beat a Echo srm210. imagelinks[6]="http://www.ezboardwalk.com/" The cost of installing a spark arrestor varies, depending on the size, type, and complexity of the arrestor required. The other risk associated with removing spark arrestors is getting crap inside the muffler/cylinder. This video shows how to fix a clogged spark arrestor screen on a small 2 cycle engine. All parts that fit a BG 85 Blower . If it turning white might have to richen it up due to more air flow now correct? Sounds like its up in the air and all user pref. myimages[3]="../../../images/top-banner/LX25-FreeShipping.jpg" . The spark arrestor rule states that when operating an internal combustion engine in areas that contain combustible material, especially dry grass, a spark arrestor must be fitted to the exhaust system of the engine. IDRY Vacum Kiln, LT40HDWide, BMS250 sharpener/setter 742b Bobcat, TCM forklift, Sthil 026,038, 461. Granberg Alaskan Sawmills, Parts & Accessories, Skip to the beginning of the images gallery, Stihl Spark Arrestor Screen for MS 261, 271, 291 Chainsaws. $14.56. This same procedure will apply to many Stihl Grass Trimmers. myimages[2]="../../../images/top-banner/BladesFreeShip.jpg" It may not display this or other websites correctly. The following steps should be taken to clean a clogged spark arrestor: 1. Just the nature of running it at the needed RPM instead of wide open. SKU. - Remove the inner handle The bent leg of the torsion spring molding from the drive tube. I run it at the recommended 50-1 using stihl 2 stroke oil. imagelinks[1]="http://www.ezboardwalk.com/" A Stihl spark screen has open area equal to 25% of screen area. was the second pass on a 30" wide 35ft fir log so there was a good pile built up along the ground. It is usually black in color and typically made of metal mesh or screen. Most people just take them out. For a better experience, please enable JavaScript in your browser before proceeding. After that, the engine can move more air through the exhaust. Then I pulled the spark arrestor, and it was completely clogged. Using starting fluid. Woodmizer LT40HDD35, John Deere 2155, Kubota M5-111, Kubota L2501, Nyle L53 Dehumidification Kiln, and a passion for all things with leafs, twigs, and bark. Once you start removing screens it becomes the normal and you will end up forgetting your saws do not have screens. JavaScript is disabled. I would personally prefer to have the screens myself. Carb cleaner is a strong, efficient solvent that will dissolve any built up carbon deposits. :laugh: All of my screens are in and have never been cleaned. This is the first thing to wear out on a muffler. Then remove the muffler cover with the help of a screwdriver. It can make you bankrupt in a single day. The possibility of starting a fire depends on the climate which varies one location to another. Thanks to all the great advice on this forum I have done my first muffler mod to my very low hour 14 year old Poulan 2800. As a homeowner, you will only cut in your home, yard or garden. /* if (ry==0) Remove the two screws in the muffler cover on the right, rear side of the blower by using the Phillips screwdriver. Remove the two small screws on the spark arrestor screen plate, located on the muffler, on the left side of the blower. View and Download Stihl FC 75 service manual online. Adjusted the carburetor, no solution. } I took off the muffler unit & it was half full with black gunky sludge. So, the risk is not so high. westcoastsaw.com. Fourth, clean or replace air filter. All parts that fit a FS 250 Brushcutter Pages in this diagram Carburetor C1QS35B Carburetor C1QS138, C1QS139, C1QS82 Carburetor C1Q-S51C, C1Q-S36G 3. var imagelinks=new Array() If more flow is the main idea then it sounds like a second exhaust port is in order, most saws will benefit from it. Amoungst My Saws..Fool That Has Too Many!!! I finished my trimming with my other weed whacker, then decided to repair the fs45 today. Once the product has had time to do its job, remove any loose particles with a dry cloth and allow the spark arrestor to completely dry out before placing it back into your engine. In this case, you can consider doing the muff mod. If you don't need it where your at then take it out. It bogs out & stall when the throttle is opened. As the name suggests, the spark arrestor arrests/prevents sparks from coming out of the saw muffler. Even if you live in the outside USA and have no such rules and regulations, I highly suggest you not to remove it at hot and dry climate. Without the arrestors, you can experience bugs and mud dobbers living inside your saw engine when you keep them in storage. imagelinks[2]="https://woodmizer.com/us/Sawmill-Blades?utm_source=forestryforum.com&utm_medium=banner&utm_campaign=sawmillblades&utm_term=2022-05-01&utm_content=800x160" The removal of spark arrestor can effect chain speed RPM(Rate Per Minute) or tuning. There was a thread a while ago about it. All parts that fit a SH 85 Blow-Vac . Doing so will result in huge fine. The exhaust actually exits to the front half of the muffler, goes up and down thru the arrestor and comes back thru the perforated baffle plate between both muffler halves before going out the exhaust ports. You can find them on local hardware store. ,