air fuel mixture screw honda shadow 600
2. The mixture screws are. One thing i did notice is there isnt a washer on the float needle seat soo that could be part of the problem too. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. The handle is numbered so you can count your turns in an out for more precise tuning. And they were. Thank for the informative article! Were committed to providing the world with free how-to resources, and even $1 helps us in our mission. I also synchronized the carbs. Send me an email with all the info and Ill try and help. Make sure float level is in spec and float needles in good shape. The plugs were black . And towards the left side of carb there is an D shaped screw that takes a special wrench. Tightening the screw weakens the air and fuel mixture and decreases the amount of fuel flowing to the engine. Copyright Buy Aramox Air Fuel Mixture Screw, Air Fuel Mixture Screw Set for Keihin FCR FCRMX Carburetor for Yamaha Suzuki (Black): Carburetors . Backpressure is not entirely necessary for the engine to run well, but it does affect power over the different ranges of the powerband. it was originally set at 1.5 turns moved it all the way out to 4 turns. no change at all does this make any sense? wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. There is a pilot jet, a main jet, a needle, a slide, and a mixture screw. pri is prime>>never have used it. Sep 8, 2019. It has very little or no effect on off idle and larger throttle openings. 2. I have played with these settings, which seems to help at first and then it goes back to the same issue. K Ill check all that and do a plug chop Gonna order some shorty choke knobs from tjbrutal customs. Running a rich fuel mixture causes the engine to run with more fuel than it needs to operate efficiently. It was 3 1/2 out no other leaks anywhere what should I do about the main its A 112 stock. The 3 1/4 or 3 1/2 turns open my site indicates is a good starting point that I found through much trial and error. Loosen the screw on the band. the fuel screw is for more or less fuel,,the airbox is for air. Basic how-to on air/fuel adjustment on a 1300 VTX Matthew Lane 102K views 7 years ago Almost yours: 2 weeks, on us 100+ live channels are waiting for you with zero hidden fees Dismiss Try it. I have duel carbs and I rebuilt them with stock jetting. I would say 15-30 seconds. hondatwins.net is not in any way affiliated with Honda Motor Company, VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. It looks like the tip broke off inside. SOURCE: need to adjust my honda shadow 500 vt carburator's start by synchronizing your throttle plates. Jetting Considerations for Motor Performance Factors. I also show close up detail . wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. This image may not be used by other entities without the express written consent of wikiHow, Inc.
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\u00a9 2023 wikiHow, Inc. All rights reserved. Ill update you once i get everything installed . These screws adjust the amount of fuel that the pilot jets (idle jets) squirt into the carbs. By using our site, you agree to our. I did. The turn it back in till it just move the throttle plates. Find unique places to stay with local hosts in 191 countries. Please see the Exhaust Mods & Mixture Screw Update. Approved. youre entirely missing a mixture screw? Based on throttle position fuel id delivered from different circuits within the carb. Next, open them to 2 1/4 turns open. amzn_assoc_region = "US"; Drag pipes are called that for a reason. 4.1 4.1 out of 5 . At TJ Brutal Customs, you'll find hundreds of unconventional custom motorcycle parts at affordable prices. These screws adjust the amount of fuel that the pilot jets (idle jets) squirt into the carbs. No problem! hondashadow.net is not in any way affiliated with Honda Motor Company, VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Check for vacuum leaks. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. This my first bike and Im trying to do all of the work myself I guess Im still learning . Can I tape up some of the air flow or should I get bigger jets? Turn the screw back in to lightly seat it, counting the number of turns until it does so. If so what size should I get? When installing, turn the screw 'til it stops, but be gentle Don't crank on thescrew real hard because all you'll do at that point is deform the screw and it will be useless. Below are a few pictures for reference to help you when working with the particular carburetor setup on your VLX. When changing them out, be sure to remove the stock spring, metal O-ring and rubber O-ring and replace them with the new ones supplied with the long handled mix screw. STEP-4: Run the Engine. The needle does supply a little bit of fuel at idle. Honda 16016-MBA-980 - SCREW SET | Partzilla.com, K&S Technologies - 56-2001 - Carburetor Air/Fuel Mixture Screw Kit for sale online | eBay, 2006 Honda VT750DCA A CARBURETOR (COMPONENT PARTS) | Ron Ayers. I have an 04 750 aero, to get to my a/f screw you have to look under the carb. u need to know if you have fuel adj. fine for parking in handicap spot in ohio. Adjusting the mixture screw can affect idle speed, thus requiring adjustment of the Idle screw. 3. It's been a while since I did the stock exhaust mods and the mixture screw thingy, and have now had time for plenty of feedback from the many people who have done them. Should something happen to your engine (and it will be unrelated to these), Honda must prove that your modification somehow caused the damage. The screws are only about 1/4" to 3/8" behind the face of the plugs. Go one size up on your pilot jet and see if that fixes the problem. The slip ons will require additional jetting. ", https://www.howacarworks.com/fuel-systems/adjusting-a-fixed-jet-carburettor, https://www.popularmechanics.com/cars/how-to/a113/1272536/, https://www.explainthatstuff.com/how-carburetors-work.html, https://www.youtube.com/watch?v=zm5mB3R8Ucw&feature=youtu.be&t=90, https://www.youtube.com/watch?v=zm5mB3R8Ucw&feature=youtu.be&t=135, https://www.afrplus.com/AFRplus-unit-functionality.asp, ajustar un tornillo de mezcla de aire y combustible, Ajustar o Parafuso da Mistura do Carburador, (Adjust an Air Fuel Mixture Screw). The D-shaped Bit allows you to remove the stock air/fuel mix screw from your Honda Shadow VT600! If you don't use the D-Bit you run the risk of rounding off the edges of the stock mix screw and that's really difficult to get out! 2005 Honda Activa air-fuel mixture adjustment . screws or air adj. start leaning out mixture, (turn in fuel screw, turn out air screw. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. They are idle circuit mixture adjusting devices. If you turn that screw counterclockwise to unscrew it, fuel will start dribbling out of the little nipple right below it. We use cookies to make wikiHow great. He recommended adjustment of the rear carb air/fuel mix screw and maybe tearing the carbs apart to make sure nothing is stuck. Your engine will not die when screws are turned in since it is running rich and pulling fuel from somewhere else.like too high of a float level. When it snaps, crackles, and pops, and backfires, don't let your dealer or his mechanic tell you that THAT is normal. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. start leaning out mixture, (turn in fuel screw, turn out air screw. u need to know if you have fuel adj. Fullscreen Zoom. SOURCE: need to adjust my honda shadow 500 vt carburator's start by synchronizing your throttle plates. This way 1 the screww can't back out, 2 I have easy access for future adjustments. The numbered head allows you to easily keep track of your tuning progress! The only issue Im having is at higher rpms it spudders maybe more fuel? That's all there is to it! In most cases they do not need adjusting. Posted September 15, 2005. in is lean,clockwise,out is rich,counter clockwise. But, adjusting the Idle screw shouldn't affect the mixture setting enough to cause the need to adjust the mixture. I recently got a 1986 VT700c. There is an overlap of all of these items in how they affect fuel delivery. 3. Yea its a pain to get to. Remove the AF adjuster screw, solder the .17HMR shell to the AF screw and then the cable into the end of the shell and epoxy of solder the 45 shell to the other end. Last Updated: December 13, 2022 Save $1.50. what should i do to fix this? On top of that the one i do have is missing the spring o ring and washer. On the majority of engines that are normally aspirated, a common rule of thumb is to tighten the adjusting screw all the way in and then back it out two full turns. If that doesnt fix it . screws or air adj. The mods and the adjustments will work, but I cannot guarantee HOW any individual person will go about doing them. Im not sure I cant find any thing on them the mid and full are great its just the start off and its not poping on decel either thanks for your help, Then will I need to put a bigger main jet in too, Well my pilot is a 42 in my bike now what should I go up too. Reviewed in Canada on August 5, 2021. 2023 I adjust the idle speed constantly as the bike is warming up and check it at each stop light. I don't have a garage either, I do have a driveway, but its dirt. Repeat this procedure with the right side mixture screw (front cylinder). Maybe photo and post. However, the consensus amongst the dealers and their mechanics that we have gathered in the forum indicates that very few even CONSIDER touching the valves during the 600 as most say they have rarely seen a 750 that needs the valves adjusted on the 600. About 3/4 throttle to full throttle it hesitates spudders I just got some 130 main jets in today . Keep in mind that there might be a welch plug installed from the factory to prevent adjustment. Fits a single carb 2005 Honda shadow 600. You can find it by clickingHERE. The D-shaped Bit allows you to remove the stock air/fuel mix screw from your Honda Shadow VT600! ", now. Now start the bike and let it idle. you having carb trouble? The idle circuit, or the slow jets, primarily affect the fuel delivery up to about 1/3 throttle. Many of our other parts will work with other model bikes but for simplicity's sake, these parts will only work on the VT600. As a small thank you, wed like to offer you a $30 gift card (valid at GoNift.com). I took apart the carburetors and cleaned them up using PineSol & Berryman Carb Dip to make sure it was not running lean due to plugged up jets (carbs were pretty clean and no plugged jets were found). 3. This adjustment will trim the mixture so that you can have a smooth running engine. They have found them set to all kinds of different openings from the factory. It won't be here until Tuesday, ugh. Don't push too hard or it will go through the plug and hit the screw behind it. Research source, Tip: The factory position for most air fuel mixture screws is usually between 1.5 and 2.5 turns out from being screwed all the way in. Further confirming this is when I try to spray carb cleaner inside the passage and through the air fuel mix screw passage none flows . Forward of it is a brass screw that is the drain screw for that carb. The lack of backpressure reduces power and efficiency in the middle and top end, but does not harm to the engine if the jetting is correct to balance air and fuel throughout the powerband. Keeps the screw from falling out and you can still adjust them. Put in new plugs and do a plug chop at full throttle to see what color they are. I tried beginning from 2 turns out and 1.5 turns out and it's always creating the opposite effect of what directions state. You are basically looking for a metric aluminum sealing washer. then the next day started to run lean again. Loosening the screw strengthens the air and fuel mixture and increases the amount of fuel flowing to the engine. There you will see the holy grail, the brass AIR MIXTURE SCREW! When you purchase through links on our site, we may earn an affiliate commission, which supports our community. The Fora platform includes forum software by XenForo. I did set the float level to factory specs . $1349. screws. I don't remember the A/F screws having a washer and if you were missing one it should leak fuel. Stop the engine. Have a great one. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. . Then start the engine and see where the timing is. Pull all the plugs and read them. If you follow the procedures exactly as I outline, you will have no problems. The fuel evaporates and this causes the engine to not start when compression is achieved. This image may not be used by other entities without the express written consent of wikiHow, Inc.
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\u00a9 2023 wikiHow, Inc. All rights reserved. It runs great and then after about 30-40 minutes of riding, the right muffler gets very loud, and the bike doesnt seem as responsive until I reach speeds around 55. You put out some of the best how to presentations that I have seen. Reinstall the air box and take it for a spin. There is a steel band that is tightened around the tube that leads from the airbox in the top of the carbs. Youll be close. CARB BOWL SCREW - Sold each, modify cart for desired quantity * . 250's, 350's and 360's (CB,CL,CJ,SL) - 1968-1976, http://www.hondatwins.net/forums/1-t-restore-running-now-e-advance-ignition.html. I just dril a 5/32 hole in my caps, and left them in place. Should you effectively be able to shut down that one cylinder via the mixture screw like on a twin or are fours just less sensitive since each cylinder is only carrying a quarter of the load? If it's like my bike (03 ace), then the idle screw is on the left side of the bike. Comment below. If that doesn't fix the problem, then you most likely need to go up a size in your pilot jet. You might notice that turning the screw 1/2 a turn in either direction makes the engine start to sound rougher or more irregular, in which case you can just set the screw back to the middle position. Courtesy of VT750DC.com: All CV carbs follow the same theory to operate. Pulling the carb(s) apart for a rejet, cleaning, or rebuild is something that gets easier the more you do it, and may seem scary or difficult at first but is a necessary task for keeping your VLX tuned properly and sometimes running right. X Hovig Manouchekian is an Auto Repair and Design Specialist and the Manager of Funk Brothers Auto, a family-owned business operated since 1925. Come in and discuss any Honda Shadow models: VT1100, VT250, VT750 and the VT500. They need to seal the port that delivers fuel for cold starts. K&S Carburetor Air/Fuel Mixture Screw Kit - Parts Giant Motorcycle Fuel Systems Carburetors & Parts Idle Mixture Screw K&S Technologies K&S Carburetor Air/Fuel Mixture Screw Kit ( 5 reviews) Item: 385961 $13.58 Select Your Vehicle - Fitment Guaranteed Add To Cart Need Help? OK, this is starting to make sense. The only backpressure they create is just from the resistance to the movement of the exhaust through any bends in the pipes and friction against the inner wall of the pipes. When it does, it is time to adjust the mixture screws. This will tell you what your base opening will be. It's actually pretty simple, just need someone to tell you where stuff is. www.ebay.com Don't worry, you are not going to harm the engine by allowing to it exhaust more air or by giving it more fuel. But other conditions may affect this. They have eventually pulled the plugs on the mix screws and adjusted them and the popping went away. unique traits of plants, animals and humans. It sets up, hold the screw, and comes out easy if you want to "fiddle" later on. It usually sits on top of the carburetor. That's why part of punching the exhaust includes adjusting the idle air mixture screws to add more fuel to match to added air you are passing through the engine. No problem. We are quickly expanding our line so keep an eye. For a better experience, please enable JavaScript in your browser before proceeding. But if the bike runs fine and just has some popping on decel, the valves are most likely not the culprit. air screws will be on airbox side of carb slide. Running too lean WILL cause damage in the long term. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/a\/af\/Adjust-an-Air-Fuel-Mixture-Screw-Step-1.jpg\/v4-460px-Adjust-an-Air-Fuel-Mixture-Screw-Step-1.jpg","bigUrl":"\/images\/thumb\/a\/af\/Adjust-an-Air-Fuel-Mixture-Screw-Step-1.jpg\/aid11803839-v4-728px-Adjust-an-Air-Fuel-Mixture-Screw-Step-1.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"
\u00a9 2023 wikiHow, Inc. All rights reserved. Turning the screws should also make a difference. Your float level will be higher w/o a washer. The one on the left is the one I replaced in the same cylinder with the new jet setup and pods. How to Roll Down the Windows With Your Key Fob, How to Pull a Dent Out of a Quarter Panel, Running Out of Gas: What Happens to Your Car & How You Can Get Help, follow and the pics also helped a lot. According to the Honda Service Manual, the factory setting for these screws is 2 1/4 turns open. With over 30 years of experience in the automotive industry, Hovig specializes in the process of auto repair and maintenance. Not sure whats wrong. I turned them both out about 3 tunes and it runs but it runs lean. My 89 vt600 has no power when i hit 4th gear and lightly hit the throttle. If you tighten this screw, your idle speed goes up, and loostening it drops the idle. 1/4 turn on the throttle between gears and it is starving for something . Thanks for your help. Length dimension is the shaft length of the fastener not including the length of the head. The first step is to determine if you have an AIR screw that meters air, or a FUEL screw that meters fuel. The one on the right is an old pug from the old carb setup fuel screws will be on engine side of carb slide, air screws will be on airbox side of carb slide. Twitter. I have a couple questions: Set the idle mixture screws at 1-1/4 to 1 1/2 out and loosen the idle screw all the way out. Use just a little pressure. 2 sheds are full of crap from the wife and 2 daughters. JavaScript is disabled. Copyright Copyright You also will not void your bikes warranty by punching and drilling the exhaust. I have a 85 VT700c. The Honda VT600 parts collection are specifically compatible with the Honda VT600 Shadow aka the VLX 600, dual and single carb models. idle . Content on hondashadow.net is generated by its users. This Long Handled Air Fuel Mix Screw for the Honda Shadows makes adjustment to your Air/Fuel mixture an absolutely easy and simple process without the use of tools. There are many points throughout the Exhaust Mod that you can get popping on decel when you had none before. Bike is stored under a cover. Most air fuel mixture screws are located on the side of the carburetor, but it depends on the specific engine. Also, I do re-install the caps, but drill a hole in the cap that a small screwdriver will fit through 1st. Item: P338799. There are several elements to any carburetor important in achieving this . Tell me more about the sputter. References Another method is to place a small dab of silicone sealant or caulk in the hole on top of the screws. https://howtomotorcyclerepair.com/how-to-diagnose-motorcycle-vaccum-leaks/, https://howtomotorcyclerepair.com/how-to-size-your-pilot-jet-pilot-screw-explained/, How-To: Size Your Pilot Jet, Pilot Screw Explained, 8 MUST Have Modifications Harbor Freight Blast Cabinet, How-To: Prevent flash rust on metal parts, How-To: WOOD DIY Vapor Blast/Dry Blast Plans 4230 & 6040, How-To: MRCOOL DIY Mini Split Installation. I did some looking and cant seem to find it. Here's how it's done. The Idle screw adjusts the throttle plate(s) to increase or decrease engine speed at Idle. That is why I cannot guarantee your success. as you turn it out (counter-clockwise) the mixture will become richer. You'll see the ends of the throttle cables grabbing onto a disc, which twists the throttle plates open in the carbs. My guess is that you simply need to adjust your mixture screws and all will be well. All you need is a 7mm nut driver or 7mm socket and you can use this bit to easily remove the stock mixture screw. We are quickly expanding our line so keep an eye. This provides more fuel in the -1/2 throttle range. I changed the spark plugs (which were white-ish) and the fuel filter in the hope it would help, but no luck yet. Then, look behind the airbox on the forward side near the top. Helpful. Your email address will not be published. It also greatly improved the throttle response as it was starving for fuel. Might be a good idea to check compression. On the left side of the carb where the throttle wheel is, right below it you will see a silver plug ( mine had a felt tip marker slash on it, that way they can tell if it's the original I guess) about 1/4" in diameter. Make sure choke plungers are in good shape. Although all jetting instructions, and the Honda Service Manual indicate you should drill the mixture screw plugs to insert a screw to remove them, it's not strictly necessary. start leaning out mixture, (turn in fuel screw, turn out air screw. Then drove another day then started to run lean so I turned out to 4.5 turns ran great. Honda calls the next step the "idle drop procedure". If you have a good popping going, especially combined with a hesitation on opening the throttle, return to your "shop" and give each screw an additional 1/4 turn open. Repeat the steps above on the right side carb. To my surprise, they were out 4.5 turns! wikiHow marks an article as reader-approved once it receives enough positive feedback. I have stock air box on it. Andrew, the best way to contact me is through email. partszen EU2000i Generator Air Filters Fit for Honda EU2000i EU2000i Companion & EU2000i Camo.& EU2200i Series Generators Maintenance Tune Up Kit . When adding an aftermarket exhaust, it is wise (and advisable) to rejet the carbs to increase the fuel delivery to match the much larger amount of air. 2003 Honda VT 750 CD Shadow air fuel mixture screw location. At least it's on it's way. Drags are basically straight pipes with no baffles. Content on hondatwins.net is generated by its users. They work opposite of each other so it is important to know that before performing this procedure. After drilling, get a sheet metal screw that has threads a little bigger than the hole you just drilled and start to screw it in the hole. Im 3 turns out on each af screw. Powered by Shopify. Im pulling the motor now to do a good repair on the oil leak. I can't seem to do the idle drop procedure correctly. i have been trying to find a re placement. So I believe that I should clean the carbs, what should I buy to prepare for this? SOME popping and an occasional backfire is normal. Im going to try the pilot screw next, hopefully it does the trick! 1996 Yamaha YZF 600 R thunder cat; Open Questions: 0 answers. Oh, and by the way, just for RockRabbit, the left side screw is for the rear cylinder (see the cylinder intake port and the boot from the left carb running down onto it? No wonder the thing pops like a jiffy pop! I have the same bike Doing the same thing I Also put emgo slip ons on it and if I fallow your steps with the settings you put on here will I be ok thank you very much. How do the plugs look? The Honda Shadow service manual states that the fuel screw should be turned out 3 turns initially. Come in and discuss any Honda Shadow models: VT1100, VT250, VT750 and the VT500. The numbered head allows you to easily keep track of your tuning progress! Set the screw in the position where the engine idles most smoothly and doesnt sound rough or irregular to balance the fuel mixture so that the engine has an ideal air fuel ratio. If you can call me Ive got problems with the carbs on my wifes 86 vt700 1(205)2154229 thanks andrew. What's the problem when I have to pull the outboard so many times before it starts? On a motorcycle, the air filter usually comes off the side of the engine and faces the rear of the bike. These fit mixture screws that are 4.5mm diameter Jetsrus D bit Motion pro D bit CARB BOWL SCREW - Sold each, modify cart for desired quantity * Stainless steel allen head screw for carb bowl. How do I check the air-fuel mixture if my vehicle doesn't have a carburetor? WILL FIT: VT600 /VLX600 88-07 and steed 400 models VT500 1983-1984 Honda VLX600 "D shape" air fuel mixture screw removal using a ball point pen. When making modifications to the stock exhaust such as punching or drilling holes, or after adding an aftermarket exhaust, it may become necessary to make some adjustments to the pilot jet (idle circuit) air mixture screws to eliminate the "Rice Krispies", the crackling and popping you get when decelerating. How many turns out are you on the fuel screw? Pull the filter out. The instructions were easy to. I have a vtx 600 1997. and turns out i have one missing. Motoforti 2 Kits Motorcycle Carburetor Repair Rebuild Parts for Honda Shadow VLX 600 1994-2003 Carb Repair Tools 3.7 (51) $2249 FREE delivery Fri, Mar 10 on $25 of items shipped by Amazon And saving gas now, thanks very much, it saved me some dollars. The Fora platform includes forum software by XenForo. You may need one of these if you order a jet kit, actually, Ihighly recommend picking this up with your jet kit! Thanks to all authors for creating a page that has been read 378,820 times. So I guess Ill get some washers and recheck the float level By chance do you know the thickness of the washer in question? Take some masking tape and tape up the pods, blocking 25-50% of airflow. He also said it would be a waste of money to sync the carbs right now. amzn_assoc_asins = "B0BJQCDSKS"; The most difficult part of the home sychronization is Getting the fluid into the tubing and establishing a fuel supply. Carburetor Diagram (right click images and choose to open in a new tab or window to see a larger version) for reference: amzn_assoc_tracking_id = "ryasquetoredd-20"; I did some jetting and threw on some pod filters i have straight pipes. Just pulled the exhaust ordered new exhaust gaskets . Read 7 Reviews 8 Q&As Write a Review. "Checking to make sure I knew how to adjust fuel air mixture for my H30/31 pick 1. No more burning your hands on a hellishly hot motor or wasting hours and money trying to hunt down the world's smallest needle-nose pliers to remove the air fuel mixture screw on a single carb from a Honda Shadow VT600! Trying to adjust a D-shaped mix screw underneath and behind your carb while tuning your bike requires some serious yoga techniques and hands of asbestos. Go up 1-2 sizes on pilot. At one point in time I had one that came in an FMF Power Up Jet kit but it is long gone when I sold the jet . 1. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. This image may not be used by other entities without the express written consent of wikiHow, Inc.
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\u00a9 2023 wikiHow, Inc. All rights reserved. So I cant run the bike today. You do not want to hit the screws with the tip of the drill bit. Welcome to Honda Shadow Forum. Some have expressed concerns about damaging the bike by punching the baffles or adjusting the mixture screws. This disc will have a screw next to it that stops the disc from closing the throttles all the way when you release the throttle. . Make sure idle is low. But it's very rich there. It will do this because that cylinder is now running too lean. 03-06-2008, 08:15 PM #2 men8ifr apriliaforum expert Join Date Carb idle mixture screw which way for rich or lean Is this screw a fuel screw (adjusts fuel) or air screw - If I screw it in is that making the mixture richer or leaner?
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