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Get it Jan 19 - 25. Paul Ondas was FMF's vendor for the WORCS series and he cut the spark arrestor screen off the core and put the core back in my bike.. Anybody ever heard of this????? Stainless Steel Q4 Hex Replacement Rear Cone Cap - 040676 FMF. The packing turns into a slime type of something and just starts plugging the center section up. Cal. We offer many different exhausts that will address your needs. On some models, like the YZ400 we alter the routing so that it's tucked into the bike better so that it's less vulnerable to damage and so that you can change the oil filter without having to loosen or remove it. Remember, not all the sound comes right out of the exhaust. How do I find out what FMF offers for my Bike or ATV? Our main goal is to test, develop and produce exhaust products, and thats what we do best here. Unfasten the Allen screws with an Allen wrench and slide the spark arrestor out of the muffler tailpipe. These Carbon Fiber heat shields are made to fitall FMF Titanium and Stainless Steel Megabomb Header systems. you just some 2 stroke packing(fmf sells it.$10), some masking tape, and some high temp silicone sealant. FMF developed the Powercore 4 to increase the horsepower and torque throughout the entire power curve. At Rocky Mountain ATV/MC, we know dirt bike exhaust systems. . We arent setup to fix pipes here at FMF. R. 9. Most people don't have to worry about checking to see if . The FMF site had a quick blurb on removing the SA/Quiet insert on their "repacking video", but they cut from that scene after mentioning removal (I'm assuming because there are several different models which all have different SA designs). Tape, zip tie or wire the packing around the center section. I like it better than the 2.1 for it's smaller size, Give us a call or chat. My Bike/ATV tests too loud to pass for my riding area. Thanks for the help!! To give our customers the best shopping experience, our website uses cookies. FMF developed the Powercore 4 to increase the horsepower and torque throughout the entire power curve. . Our titanium headers are completely TIG welded and shave off pounds when compared to stock OEM steel headers. http://www.fmfracing.com/Content/Instructions/000988.pdf, I realized the clip is on the wrong side.here is a quick write up on how I put in the spark arrestor, (disclaimer: my spark arrestor is an older design, but I believe the newer designs should work very close to the same way). Don't let the lower price fool you into thinking they won't perform as well as the titanium versions though. What does each pipe do with FMF silencers as opposed to a stock silencer? Installed on Kawasaki kx100 for my daughter and she loved it. #EE40-212 Fits: `18-21 KTM 85 SX Using the proven design of the FMF Turbine Core Spark Arrestor is made specifically for those machines that do not have a bolt on application. We do recommend a light bead of high temp silicone with every application around the inner diameter of the mid pipe that slips over your header. Product # 040638. As we all know sound is a major issue, which can effect whether or not we continue to enjoy our sport without offending others. Always a good option for a spark arrestor. . B. This pipe offers a new power band that wasnt available in the past, with its new technologies. May 23, 2020 #5. spradley wrote: So I hadn't every really thought much about the spark arrestor until yesterday and I decided . . WHat R-factor works best or so forth. Here is how I added FMF spark arresort to my 950 Akrapovic pipes. No power loss. Serious question as I have the same fmf on my 525. In fact, thats what sets FMF apart from their competition options. Pro Circuit also makes some slip-on type systems for the DR650. 800-969-7501. (800) 336-5437 7am-7pm Monday - Friday, 8am-4pm Saturday MT. FMF Q4 baffle/spark arrestor removal. This FMF spark arrestor fits several major FMF exhausts, including the Titanium Powercore, the PowerCore 4 and the Q4. 2023 ft. RotoMoto, Christian Craig talks his biggest 450 struggles and what makes Cooper Webb so good | PulpMX Show 535, Jeremy Martin thinks practice tracks are Too Groomed, will practice in bad conditions | PulpMX Show, Phil Nicoletti Talks Wrist Injury and What It Was Like Going to Oakland Hospital After Supercross, I Would Love To Race All Year | Colt Nichols on the SML Show, PulpMX Show 535 Christian Craig, Jeremy Martin & Phil Nicoletti w/ Ryan Lockhart (Newf) in studio, Weege Show: Arlington SX and Why We Go Riding, Arlington PulpMX Fantasy Preview & Strategy | Before You Pick! Compare prices & save money on Motorcycle Parts. Location: West of the West, Oregon. Shine a light down the end of the muffler and you will see there is a round spiral clip that is in there holding the insert in, just use a screwdriver and work the clip around until pops out then use some pliers and give the insert a yank and it will pop out. From Fort Vancouver Yellow Pear to Santa Anna, these, This website uses cookies for functionality, analytics and advertising purposes as described in our. Back to home page | See More Details about "FMF Racing - 040638 - Spark . A spark arrestor is designed to trap any glowing sparks before they exit your tailpipe by acting as a filter. Proudly made in USA. Easily serviced - just remove 2 bolts; Made in the U.S.A. Many customers do just the slip on muffler, and re-use the stock header, but you can also add an FMF PowerBomb or MegaBomb header if you so desire. In this case we do recommend you consult with your local authorized techinician for jetting specs. Only 4 left in stock - order soon. It is completely normal for our headers to turn a bright red color when you first install and run your new FMF Racing header. We recommend you call one of our customer service representatives at 310-631-4363 before you make any purchases to verify the fitment on your machine. Is it just for a different exhaust note? $38.14. You can also use the "Search by Bike" engine to help narrow down what we offer for your machine. Yeah just gets rid of the spark arrestor sticking out of the end cap look and definetely makes it louder. Good friend of mine bought an 04 YZ250, and one of the springs broke on an afternoon ride. FACTORY 4.1 RCT 94db W/SPARK ARRESTOR INSERT 040639. 1.800.336.5437. Approximately 99db stock or about 94db with optional Quiet Insert installed. My FMF didnt affect my jetting or . These items can be found byCLICKING HERE. Our Turbinecore and Turbinecore 2 are our Forestry Approved Spark Arrested silencers. I was wondering if I could just leave the arrestor on when I hit the motocross tracks or would there be a performance issue ?Will a spark arrestor require different jetting? Mar 17, 2004. This isn't something you'll have to take on and off, as all of our 2-stroke Spark Arrested silencers have the "Turbine-Dampening System' built into the core. FMF 40670; P-Core 4 Hex S/A Insert Made by FMF. by Mr. Wibbens 07:51 pm Jul 11 2010, Post FREE delivery Feb 21 - 23 . If you've vented the air box or removed the lid, close it back up. If you trail ride, especially on public lands, you probably need a spark arrestor - by law. Wibbs if I remember right yours is a Turbine Core, not the Turbine Core II. Nothing better then FMF for power and performance and price. The Rev pipe is designed for that rider that keeps it wide open. Nov 19, 2021. Give us a call or chat. 99. On my 450 it goes in the end cap and is held in by a little bolt. FMF Racing does offer select items for replacement partson your existing muffler. . Personally I'd ride it first just for grins then remove it to see if you can honestly tell a difference. As for the spark arrestor: Some riding areas have a ranger kiosk at the entrance where they check all the bikes coming in. If you get lost and start a fire pray they'll never find you. This one is a turbinecore 2, not powercore, so it has a back section with a spark arrestor riveted in, so hte forest service knows no one has tampered with it. They may look a little different but the last thread we found them to be pretty much the same on the inside. With the titanium stinger, front cap and cone end cap, you'll shave off tons of weight. Also your system performs best and will last longer when the silencer is properly maintained. All of our testing during the R&D phase is around a complete FMF exhaust, pipe and silencer. My two stroke passes with a fair margin with an FMF turbine core II silencer. $39.99. This also has a Forestry Approved Spark Arrestor. Availability In Stock: Ships in 3-5 business days. Remove the insert from the muffler outlet. This pipe will appeal to most people that are happy with the stock power band and just looking for more useable power everywhere. Starting Seeds with Cactus Mix: Challenges and Tips for Optimal Results, Using cactus mix for seed starting is an interesting idea, but it has its own set of challenges. There was a fair amount of crub in there, glad I took the time to do it. FMF STAINLESS HEADER HEAT SHIELD (UNIVERSAL) 040231, UNIVERSAL 2-STROKE S/A STRAP MOUNT 020480, FMF 4-STROKE WASH PLUG WITH STREAMER 011299, FMF 2-STROKE WASH PLUG WITH STREAMER 012875, FMF 2-STROKE WASH PLUG WITH STREAMER 6 PIECE CLIP DISPLAY 012876. No power loss. Screen arrestors come in different ratings depending on how . Up Free Shipping and No Tax! Now my question. Sign in or create an account to get RM cash on orders and open more site features. Perfect application for adapting a performance spark arrestor to older bikes Comes with a kit of hardware including a mounting bracket, spacers, shaped stinger tube, . Spark Arrestors. FMF Turbinecore 2 Spark Arrestor Silencer - 2-Stroke Compatible With 01-19 KAWASAKI KX85. Gains will be similar to our Shorty. This pipe will shift and increase the power band so that it comes on sooner, pulls harder through the mid and smoothes out the high RPM surge. We have the best prices on dirt bike, atv and motorcycle parts, apparel and accessories and offer excellent customer service. Home Forums Home > Bikes > Orange Crush (KTM) > Dakar champion (950/990) > Although i dont own a dirtbike, i'm still cool..honest!! Our Gnarly pipes have been developed and tested for the off-roader in mind. AMA and FIM enduro legal. Free delivery for many products! This also creates even more power. Removing the FMF Q2 spark arrestor from an FMF muffler is not difficult and can be done in just a few minutes with an Allen wrench. Take care! The quietest one they offer is their 496 slip-on system which is 96 db. Work around until the whole clip pops in, and is secure between the back of the insert/SA and lip on your silencer. . Depending on how big and where the dents are will determine how much power youll lose. Promoto Billet spark arrestors are an economical way to convert your stock muffler into a U.S.F.S. In this video we do a sound comparison of with the spark arrestor and without. Seems like I have read about some guys going down to the local Home Depot or Loews and buying home insulation to use for repacking but I have never seen what type to use? This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. What does each 4-stroke header do: PowerBomb, MegaBomb and Hi-Flo? The M7 V.A.L.E. The racer-borne, rider-run company knows what it takes to make your bike fly, and their exhaust systems and products are made from the highest-quality parts with an intense attention to detail, incredible level of craftsmanship, and high standard of performance. Weve been around long enough, that you can trust that any time you install an FMF exhaust product, you will definitely FEEL THE POWER . My owner's manual recommends periodic removal of the round plate on the end of the exhaust and a brushing to clean the spark arrestor of carbon. ). Powercore 4 HEX Spark Arrestor Insert - 040670 FMF. FACTORY 4.1 RCT 94db W/SPARK ARRESTOR INSERT 040639, 2016 KTM FACTORY 4.1 RCT QUIET INSERT 1-1/2 SPARK ARRESTOR 040678, HEX Q4/F4.1 RCT QUIET CORE S/A INSERT 040688, ULTRA QUIET F4.1 RCT QUIET CORE S/A INSERT 040689, YAM YZ250F'14-18/450F'14-17 CARBON HEAT SHIELDS-SET 040674, YAM YZ250F'19-22/WR250F'20/YZ250FX'20-22/YZ450F'18-22/WR450F'19-20/YZ450FX'19 LFT CRBN HEAT SHIELD 040684, SHORT STRP MNT W/RUBBER SLEEVE - PCORE 4, Q, Q2 040196, MED. If you need anything else let me know. 6 bikes all going for it is going to be louder than the maximum db reading allowed last time I checked.This doesn't mean that common sense doesn't prevail in all situations. [\QUOTE]. Make sure your silencer/muffler has been re-packed lately and properly. Instructions. More performance? Get Ready for a New Season of Gardening -Choose from Tomatoes, Peaches, Corn, Zinnias & More! Last but not least to the 2-stroke line, the "Q-Stealth". It comes fitted with a USFS approved spark arrestor. You must have JavaScript enabled for this page to function properly. USFS approved. Please choose a machine to display parts specific to your machine or select a part below. There are no bolts on the end cap of the muffler to remove or bolt anything. Part of what makes FMF so unique and affordable is their modularity; you can buy what you need and save on what you dont. $159.95 $ 159. 2 Hi. Bloody noisy dirtbikers! Oddometer: 508. All the FMF Q4, Power Core, Quiet Core spark arrestors will fit. This works great for tight woods riding, supercross type tracks or for someone looking to boost that bottom end. I ordered a quiet core SA and the diameter was too large. The spark arrestor is held in place with a 4mm Allen head bolt that can be easily removed to go between off-road and closed-course riding and racing. We attend MX, SX, Freestyle, Desert, Enduro, GNCC and Cross-Country events across the USA all season long. On my TCII, I drilled out the rivets and then tacked small (no longer remember the size, #10 maybe) nuts to the SA and then just reassembled with the same type of allen head bolts that hold the core in. 6 bikes all going for it is going to be loud irrespective of db reading.This doesn't mean that common sense doesn't prevail in all situations. I removed the three hex head screws on the back of the circular plate and it is as though the plate were welded on. Remove ads, support ADV. However, the tip of the muffler where the spark arrestor is located is riveted in, making it hard to remove. by cornishwrecker220 05:39 pm Jul 11 2010, Post There are many companies and dealers that can beat your pipe back into shape. We offer this pipe for 80cc and 125cc's only and are recommended for higher skilled riders, as the power can be a little pipey. I have a TE630 with a FMF 4.1 exhaust. For the majority of the time you will not need to use your existing stock OEM muffler clamp, unless stated in the directions for select models. Make sure Spark Arrestor doesn't come out. Discussion in 'Dakar champion (950/990)' started by onlybetx, Jul 29, 2019. You will see the majority of your power increases on the low to mid range as well as broadening out the mid to top end over stock. Expect similar gains with our silencers on a stock pipe as you would when using it with an FMF pipe. Work around until the whole clip pops in, and is secure between the back of the SA and lip on your silencer. 2023 | Rocky Mountain ATV/MC. Here is a picture of the spark arrestor that was included, the only thing that is not fixed is the largest ring. What is the difference between a Shorty and a standard silencer besides the length? The Q-Stealth is living proof FMF is the only exhaust company committed to bringing new technology to the 2-stroke enthusiast. Does FMF Racing offer replacement parts for my muffler or silencer? (Arrestor pretty lose fit in endcap) Quiet on the trail as well as on the sound meter. I dont know any other way but to drill out and replace rivets every time. The Ukrainian Tribute Growout is a great opportunity for tomato lovers to get their hands on some unique and delicious varieties. Just be careful and you will be able to do it several times before replacing can entirely. I have a turbinecore 2 spark arrested silencer for my 125, and it leaks oil bad. This year we've added titanium headers to the mix. We do check to make sure that the stock OEM silencer will fit up to our pipes. Get the best deals on FMF Racing Motorcycle Parts for 1998 Yamaha YZ250 when you shop the largest online selection at eBay.com. Make sure Spark Arrestor doesn't come out. Always a good option for a spark arrestor. Every morning is the dawn of a new error. What tricks can I do to make it quieter? Having that said, you can pick and choose the type of gains you're looking for and the features that best suit you, rather then us pre-determining them for you like other companies do. This is the header that helped win the 2011 AMA Supercross, 2011 AMA Motocross, and 2011 Motocross of Nations Championships. Kawasaki MX & Off-Road Dirt Bikes. Fitment. This wire screen is not a USFS-approved spark arrestor. Also with online mail order companies check which ones offer international freight. I understand noise pollution is a sensitive topic and one that affects us all but i'd like someone to tell me whether or not ive got my spark arrestor in when im lining up with 15 other bikes during a club race on a private grass track just about to take off all revving bikes on the limiter at the same time or whether I have my spark arrestor in when Im play racing with my 5 other registered and licenced mates in the local bush all trying to get to the next corner first. Select Bike Model. These give you that factory look and power yet still being Forestry legal. Using a Powercore or Powercore 2 silencer will give your bike increased throttle response, a lighter and higher quality silencer with that factory look and sound. One it acts like a pre-muffler to knock down the sound level a bit and two increases power by increasing the rate in which the header can flow. Removal 8. FMF Q SPARK ARRESTOR SILENCERs. Log in or Join. by skythrasher 02:33 pm Jul 11 2010, Post It needs a stamp because the drop in IS the spark arrestor, and the NFS requires it. All FMF pipes come apart for repacking. For 2-stroke we offer replacement end cap kits which can be found byCLICKING HERE. You wouldnt worry about that back section? You will want to match the pipe with the powerband the motor was set up for. You are viewing a combination of machine-specific and universal parts. I lost the spark arrestor in my 2-1 setup and fmf is unhelpful figuring out which I need. For the Best Selection of In-Stock MX, ATV & Motorcycle Performance Parts. Power, performance, and personality a new dirt bike exhaust can give you that and more, especially if its from FMF. The core of the muffler can be removed by taking out allen bolts. This FMF shorty silencer is great. by Mr. Wibbens 08:41 pm Jul 11 2010, Post . Thats my 2 cents worth. Sign up to receive the latest news and deals from FMF Racing. An FMF Rev pipe probably wouldn't be the best combination with a motor that was set up for tons of low end power. Learn More, Order Status / Track OrderSign in not required. Its held in with a spring coil which sits inside the recess in the exhaust,you insert the spark arrester and then wind the clip spring in anti clockwise..It looks like the insert has been removed from the silencer, Here are the complete instructions on how to install and remove our RCT Spark Arrestors. Sparks can form from the engine's exhaust and settle far away from where you are working, sparking a fire. Inserting and removing the spark arrestor insert from any FMF muffler The Powercore 4 spark arrestor muffler. Wasn't about to drop $650 for a slip on though.. Kind of ridiculous deal FMF made with KTM to only sell through . Any particles larger than the holes in the mesh will be stopped. What model is your muffler? The rumor mill has created several very creative meanings that we dare not share. There are no bolts on the end cap of the muffler to remove or bolt anything. FACTORY 4.1 RCT SPARK ARRESTOR INSERT 040638, FACT-4.1 RCT REPLACEMENT SPIRAL RETAINING RING 040677, FMF TITANIUM MEGABOMB HEADER HEAT SHIELD (UNIVERSAL) 040692, YZ250F'19-23/250FX'20-23/450F'18-23/450FX'19-23 TITANIUM KICK SHIELD 040691, FMF TITANIUM HEADER HEAT SHIELD (UNIVERSAL) 040230. Having less backpressure (louder), the more top end power youll have. Many things. Accept. If youre looking for an all around power increase we recommend running 11-13 discs with the quietcore out. The Powerbomb chamber has two functions. Removable spark arrestor included. Quiet on the trail as well as on the sound meter. We build our mufflers to be fully interchangeable between all of our products and stock components. One popular design was the Radley-Hunter spark arrester, which used a spiral-shaped cone to separate . Someone looking for a smooth quiet ride probably wouldn't be happy in a 4X4 Turbo Diesel. by tmx 08:40 am Jul 18 2010, Powered by phpBB Forum Software phpBB Limited. A spark arrestor removal and subsequent removal of the spark arrestor may be an easy way to improve saw performance, but removing it and leaving it off in dry woodlands is a dangerous practice. Can I add a Spark Arrestor to my existing 2-Stroke silencer? Use a screw driver and install one end of the clip between SA and silencer. A spark arrestor is a metal screen that goes in the tailpipe of your dirt bike and would keep any sparks from flying out the back of the tailpipe and lighting a wildfire. Spark arresters for steam locomotives may be internal (in the form of wire mesh inside the smokebox) or external.The earliest platforms for spark arresters in the United States were steam locomotives.Wood- and coal-burning locomotives produce embers which are readily transported by the wind. . Do I need to use my stock OEM exhaust clamp with my FMF muffler? They may have tested their motor combinations with a specific pipe, which would give you the same type of gains that they saw. No screen, so what's to clean? pro circuit spark arrester with fmf sst pipe? Quick Links. Spark Arrestor. Removable spark arrestor included. $39.99. Adventure Rider. 1. The FMF Q2 spark arrestor model is designed similarly to the Q4 model and is attached in the same manner. Don't touch the part that has the turbine in it. rib about 1" down from the tip of the muffler, the rib is maybe 1/8" smaller diameter that the rest of the muffler inner pipe. More packing volume-longer time between repacks. Post Reply. First, make sure your seeds are dry before sending them in. It turns out that pure sand can also be used for seed starting. Like I said, I'm not it a hurry to install, just curious and excited with my new toy. Stock exhaust systems typically don't offer a spark arrestor option though it might come pre-installed on legit trail bikes. The turbine part of the exhaust has packing wrapped around it. a rubber mallet id a must as well for breaking loose the old silicone. Some models may see a slight decrease in over-rev though with the Shorty. Typically we would recommend every 15 to 20 hours on your machine to repack, but it differs for every level of rider. I couldn't even find any instructions on the, Here is a picture of the muffler, as you can see at the end cap there are only rivets, and inside the muffler there are no bolts of any sort. In Stock. Sold Out. Note: Only a member of this blog may post a comment. by skythrasher 08:34 pm Jul 11 2010, Post After removing the header pipe, the ol girl was missing both o-rings. Prices are subject to change without notice. Both the Hi-Flo and Powerbomb headers increase power throughout the entire power band. JavaScript is disabled. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well . There is a small. The MegaBomb header is revolved around our Supercross/Motocross riders and racers. There is a smallcircumferentialrib about 1" down from the tip of the muffler, the rib is maybe 1/8" smaller diameter that the rest of the muffler inner pipe. Use Pliers to pull out insert/spark arrestor. Locate the Allen screws inside the lip of the tailpipe on the FMF muffler that secures the FMF Q2 spark arrestor to the muffler. You can bolt on a Megabomb with an existing FMF Racing slip on for as much as a 3hp boost, plus the Megabomb actually reduces noises levels by as much as 1.5dB. High performance silencers are made with performance and light weight as the prime objectives so one of the trade offs is having to maintain the silencing media or packing from time to time. Several companies sell new packing just make sure you get the 2 stroke packing and not 4 stroke. Here is a picture of the spark arrestor that was included, the only thing that is not fixed is the largest ring. Keep this in mind. It is equipped with a US Forest Service-approved spark arrestor. It's that time of year again when gardeners all over the world are planning what to grow in their gardens. Only 9 left in stock - order soon. This was once called our Torque pipe, but it did not include the thicker steel construction. Depending on what type of riding you are doing, we offer a wide variety of set ups. OK, I will jump in. To give our customers the best shopping experience, our website uses cookies. All our pipes other than the SST and ATV pipes are nickel-plated, which end up turning a slight gold color over time from the temperature, hence the name. Joined: Jan 18, 2016 Oddometer: 41 Location: Adelaide. For the most part, yes. Canister shape and size is lighter and more performance-optimizing. I run a pair of Q4 mufflers. This is a standard break in period that normally takes about 20 to 40 minutes. Muffler, Slip-on FMF Powercore 4. Sign up to receive the latest news and deals from FMF Racing. . We use cookies to improve your experience on this website and so that ads you see online can be tailored to your online browsing interests. Approximately 99db stock or about 94db with optional Quiet Insert installed. 95. 49 matches. Here is a picture of the muffler, as you can see at the end cap there are only rivets, and inside the muffler there are no bolts of any sort. Universal Q4 Slash-Cut Exhaust End Cap by FMF Racing. For those of you wondering, FMF stands for Flying Machine Factory. Its this attitude where you respect other uses that makes a difference not whether or not my pipe reads at 94 db as opposed to 98db. This will not work on thePowerbomb header as the diameter is tolarge to cover the complete header. Excellent fit, finish and attention to detail. The Shorty will give you even more throttle response and low end power. Louder than the Q4. Promix HP (High Porosity) is a popular choice for seedlings as it is very dry. STRP MNT W/RUBBER SLEEVE - PCORE 4, Q, Q2 040197, LONG STRP MNT W/RUBBER SLEEVE - PCORE 4, Q, Q2 040198, FREE SHIPPING ON ORDERS OVER $75 (Continental USA Only). For outdoor high-speed tracks, this works awesome. Spark arrestor for the Factory 4.1 RCT Silencers. remove rear end . Check the fitment next to the SST pipes and silencers to make sure the fitment is correct. There are a set of allen head screws at the base, but I believe this is only for repacking the muffler. Trail Rider. Surely there would be no power difference? Maybe I should clarify a little bit. If sound is a concern make sure you have the appropriate muffler installed on your machine. Removing the spark arrestor may have an effect on jetting. Read All Reviews. It seems to be some kind of press fit design. When the exhaust enters the chamber, it expands and then cools which causes it to contract. Extremely loud when it needs to be repacked but that didn't bother us much. Its this attitude where you respect other uses that makes a difference not whether or not my pipe reads at 94 db as opposed to 98db. However, the tip of the muffler where the spark arrestor is located is riveted in, making it hard to remove. The FMF Q2 spark arrestor model is designed similarly to the Q4 model and is attached in the same manner. There is nothing there to clean that can not be done with and aerosol type solvent of some type. Remove the spring ring from the spark arrestor. FMF Hex Q4 Replacement Spark Arrestor Screen $35.99 $39.99 You save 10% . Free, easy-to-get money that youcan spend on future orders.