There are several things you can check. If more flow is the main idea then it sounds like a second exhaust port is in order, most saws will benefit from it. Additionally, it is important to keep all spark arrestors cleaned and serviced regularly in order to ensure that they are functioning properly.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,600],'remodelormove_com-medrectangle-4','ezslot_2',156,'0','0'])};__ez_fad_position('div-gpt-ad-remodelormove_com-medrectangle-4-0'); Cleaning a clogged spark arrestor is a simple but important task for safe operation of outdoor power equipment that uses an internal combustion engine, such as lawnmowers, chainsaws, and leaf blowers, to name a few. The most common way is to enlarge the exhaust pipe/path with a grinder, drill, or any other machine. Have you cleaned that screen with a wire brush and or soaked it in carb cleaner and then brushed it ? imagelinks2[2]="https://www.youtube.com/c/TheForestryForum?sub_confirmation=1" Get online the best Barkbox Saw Muffler Cover online. The more air it takes, the more fuel it can burn. In this post, I will talk about removing the spark arrestor method, its outcomes, risks, and benefits. AISEN Tune Up Kit for BR350 BR430 BR450 BR450C-EF SR430 SR450 Blower Air Filter. As with any engine component, spark arrestors accumulate debris over time and should be regularly inspected and cleaned. It's not like a car where the muffler is 15 feet long, it's only a couple inches to a port directly into the cylinder. I agree, it isn't likely that will help unless you can see that it is plugged up with carbon. on Chainsaws, Started by keppoch It is a mesh or screen-like device that helps prevent sparks from emitting out of the exhaust port. The spark arrestor is a small screen that prevents the engine from emitting sparks. Just the nature of running it at the needed RPM instead of wide open. Carburetor-Air Filter. Quite an easy job since the arrestor is screwed into the muffler with a tube that has a nut that a 15 mm hex socket fits. View and Download Stihl FC 75 service manual online. Engines take fuel to make power. Some people dont remove the screen just to stop bugs coming inside. My new mower doesn't even HAVE one from the factory! From IN, stationed in Port Angeles, WA, but AK is. It won't fire up the engine. For sure the guys cutting in the woods or on Govt. I strongly suggest to check and adjust carb before start or resume cutting. Required Part It may not display this or other websites correctly. My beloved Stihl BG85C about 12 years old is not starting. JavaScript is disabled. Cleaning a spark arrestor is in 2 ways. myimages[1]="../../../images/top-banner/ez50-banner.jpg" random_imglink() For a better experience, please enable JavaScript in your browser before proceeding. Harder to engineer with the typical home mods, but that way the restriction of the wires becomes irrelevant. If you cut in a different climate that is not fire-friendly such as wet or damp woods or hardwoods, you can consider removing it. The main risk of removing spark arrestor screen is the possibility that it can start a fire. A spark arrestor is a device installed in a chimney to help reduce the risk of a chimney fire. Only registered users can write reviews. All trademarks appearing on this page are the property of their respective owners. You can strip the baffles for a boost. Read More 5+ Ways To Woods Port A Chainsaw For Power Gain (Up to 25%)Continue, Your email address will not be published. RDMJ.STIHL KM 94R. It is a mesh or screen-like device that helps prevent sparks from emitting out of the exhaust port. //specify corresponding links below 4. So, in short, in this case, I think you should not remove it. Third, replace fuel filter in fuel tank. If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. Over time as the spark arrestor becomes clogged and dirty, it can cause the engine to run poorly or even to shut down completely. To unclog the spark arrestor, remove it and clean it with a wire brush. document.write('') This muffler cover is constructed out of stainless steel and hand TIG welded with 1 year warranty & made in the USA. This spark arrestor serves to prevent any sparks, created by the engine, from igniting the material and potentially causing an uncontrollable fire. It is important for your safety, as well as the safety of others around you, that the spark arrestor is properly maintained and in good condition . ,