And today, Im going to show you how I did it. JavaScript is disabled. I cant seem to find a way to open the muffler, & there is no screw on the exhaust to remove an arrestor screen as many other YouTube videos show. Step 5. If you own chainsaw like Remington rodeo rm5118r and use it around the house only, you might not need to remove the spark arrestor. A couple of months later, it was acting up again. There is no need to throw away your blower because the spark arrestor screen may likely just be clogged. Removed the muffler and de-carbonised it. One in particular is 14 years old and has never needed anything up until this past season where the carb went bad. Good oil mixed properly and some sort of ethanol satbilizer and make sure the carb and intake air filter are clean is your best bet for easy starts. 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 . Pull off the screen or check if there is another screw to unscrew and release. This spark arrestor serves to prevent any sparks, created by the engine, from igniting the material and potentially causing an uncontrollable fire. Restart. Return it back after cleaning. carb cleaner on the carb, in all holes. Spark Arrestor. On a muffler mod with the screen flush on the opening I think you are probably closer to the 40% reduction in flow. However, the chance of igniting a fire is very low. . I use opti-2, sometimes amsoil sabre, both 100:1, and as soon as I buy a new handheld trimmer, blower, edger, etc. JavaScript is disabled. Tip: Most of the saws, repair shops get in for service just have a clogged screen. So, in short, in this case, I think you should not remove it. FC 75 lawn and garden equipment pdf manual download. You can also consider carbon buildup or Muffler mods. Stihl 460 (or new bar) not oiling properly, Firewood, Heating and Wood Burning Equipment, FAKE STIHL 070 CHAINSAWS - This is interesting. The effect on exhaust flow, I have heard anywhere from 0 to 40%. on someone elses thread and didn't get a response probably because most were done with it, if you cut in an area where where fire is not an issue like wet or damp woods and bucking in the shop yard over gravel can removing your spark arresters help boost exhaust flow and performance? To unclog the spark arrestor, remove it and clean it with a wire brush. Rewind Starter-1. In this post, you will learn the risks (fire, fine, bugs & more) and benefits(More HP & torque) of removing the spark arrestor screen. May 3, 2011. Less than one year old. Over time, the spark arrestor can become clogged with soot. Tried two fuel filters and two spark plugs. 30 Replies 33288 Views March 24, 2009, 01:10:08 PM by IndyIan . As with any engine component, spark arrestors accumulate debris over time and should be regularly inspected and cleaned. For the best experience on our site, be sure to turn on Javascript in your browser. All parts that fit a BG 85 Blower . The spark arrestor is a small screen that prevents the engine from emitting sparks. In most Stihl two-cycle engines, a single screw holds the screen in place. if (ry==0) You should be able to unscrew it and clean it with a torch/lighter or just remove it all together. myimages[5]="../../../images/top-banner/cookie-mizer.jpg" I hope my epic guides will help you to choose,buy and maintain chainsaw. 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. To fix this issue, you need to reach that flywheel key position and remove the flywheel. The screen in my Poulan 2800 seems like it would be very restrictive and I would definitely like to make it a greater diameter with more surface area if possible. myimages2[3]="../../../images/top-banner/behindtheforum.jpg" Allow the chainsaw to cool for 10 minutes or so if you have been using it. Use only STIHL two-stroke engine oil or equivalent high-quality two-stroke air- Use premium branded unleaded cooled engine oils for mixing. That KAT muffler doesn't have an arrestor. There is an internal baffle that would help with flames. I'm sure there are repercutions for to lean or rich. The bolts holding it on are either a proprietary or security head. This price will increase if the arrestor is installed in an area with higher safety requirements, such as a backyard fire pit. When cleaning a spark arrestor, use a non-metallic brush to loosen any dirt, carbon, or buildup on the mesh screen. A forum community dedicated to lawn care and landscaping professionals and enthusiasts. This is a simple fix. So it will need to be richened up. Please. A spark arrestor is designed to trap any glowing sparks before they exit your tailpipe by acting as a filter. The whole thing is not rocket science. You will . Jan 28, 2012 / Removing Spark Arrestor. The climate is not in favor of fire. Currently I live in Austin, United States. You can remove it for cutting at home or garden without any restriction by law, but you must use it to cut on any state or federal land. Some people argue that removing the screen does not make any difference for them. I agree, it isn't likely that will help unless you can see that it is plugged up with carbon. Since you will never go to be cutting on USFS land, you dont need the spark arrestor at all. First, make sure that you are using fresh fuel mix (never store or use fuel mix older than 60 days in can or fuel tank). I think my 4mix Stihl has one though. Adjusted the carburetor, no solution. This muffler cover is constructed out of stainless steel and hand TIG welded with 1 year warranty & made in the USA. var ry=Math.floor(Math.random()*myimages.length) Clean the Spark Arrestor. ), take off metal Part 3, and remove Spark Arrestor 2. I checked the obvious.plug, air filter, even changed the fuel filter..no help. ,