Well it does not really tell you anything. Well I don't know, and I bet most of the manufacturers don't know either. The shorter, fatter notch on the opposite side is where the idle adjustment screw makes contact. Check the high tension leads (plug wires). Free shipping on many items ... 99-09 XVS1100 XVS 1100 V-STAR VSTAR CUSTOM CLASSIC CARBURETOR slide diaphragm (Fits: Yamaha V Star 1100… The addition of improved air flow into the bike and the addition of a free flowing exhaust system can really boost performance. Threads begin below the part ground off. If you don't you're going to have arching and a restricted spark. On bikes with two-cylinders, you can usually start the bike successfully with just one choke unless it’s really cold. JB Weld a 90 degree pipe nipple into the cap and cut out the bottom. Just about the same as you get with a larger and less restrictive air filter. Cutting the spings on the carb slides may help improve throttle response time on CV carbs like the Mikuni's on the V Star 1100. First of all let's stop to consider the fact that it is a RAM AIR INDUCTION device. $799.00. It might be a good idea to put a fan on the engine if the temperature is warm outside. Simply remove the O ring. ... Three T Motorcycle Carburetor Rebuild Carb Repair Accessories Kit Fit for Yamaha XVS1100 V Star 1100 1999-2006, Black. You can access the suggested jetting charts and options HERE. On a running engine, that air flow is continuous and can be manipulated in the carburetor to provide a higher or lower volume of that critical fuel/air mixture. The shut off is for the protection of the catalytic converters. This may prevent the carburetor from functioning properly. This site uses cookies from Google to deliver its services and to analyze traffic. 00. Most are manufactured in China, some are made in India and I'm sure, there are others being made elsewhere. Now open the screw 1-1/4 turns. "The wKB" V-Star 1100 Wiki Knowledge Base, http://forums.delphiforums.com/yamaha1100/messages?msg=17739.1, http://forums.delphiforums.com/yamaha1100/messages?msg=17428.1, http://forums.delphiforums.com/yamaha1100/messages?msg=33326.1. Just took a little time fitting it and it work great. It's counter-intuitive, but a lean engine could actually like it is really running great just before it over heats locks up. This is how a carburetor governs the speed of an engine. Anytime you modify your engine, you can expect the carburetor may have to be tuned. VT1100C2 Shadow 1100 A.C.E. Do this until the slide stops moving. Flat slide carbs generally do not offer as many sizes. Holley Carburetors These Keihin FCR flat slide downdraft carbs feature roller bearing slides in the smoothbore venturi. The solution, worked out by a group of Vulcan riders (see, they are good guys too), was to also pressurize the carburetor float bowl as well. The information below has been left here for reference only. His product, Dragon's Breath, is described above and in detail on his site, referenced above. Hyper Chargers Work, But.... - Daddo (DaddoCFL. Not quite the 120hp I wanted but overall I'm very happy. Be extra careful of the 8 float bowl screws - they are soft headed and will tend to strip if not careful. There is a gain, but it is minimal compared to intake modifications that do away with the stock air box set up. When the kick starter on a two-stroke engine is pushed down the piston goes up and an area of low pressure is instantly created in the crankcase. Once we get a little bit nicer weather I'll get it out on the road for some more tuning. When the throttle is opened, the cable raises the throttle slide located inside the carburetor’s main body. Just let it sit at idle. To visualize this easier, we allowed the cutout to drop just below the top of the intake bell. Warm the engine to a normal operating temperature. Another thing to learn from all this is it really proves a point that the intermediate shaft isn't a weak link in itself and the failures are more of a fluke thing than anything. Free shipping on many items ... 99-09 XVS1100 XVS 1100 V-STAR VSTAR CUSTOM CLASSIC CARBURETOR slide diaphragm (Fits: Yamaha V Star 1100… Examine the insulators of the spark plugs for color. Because there are thousands of riders that have gone this route, there is a huge resource in jetting and tuning options that have been tried and dyno tested. I welded a 2 1/8 exhaust ring to the back of each filter to attach to the elbows I used. Wish List Compare. This larger TM40-6 Flat Slide Carburetor is best suited for Hi Performance racing performance. Most will match the larger size at the beginning of the holes and enlarged the stepped down portion of the hole. The Virago came off the show room floor with around 62 HP, while the V Star rolled out with only around 54. When that occurs, the carburetor venturi tends to pressurize, and in effect, restricts or stops the flow of fuel. Confirm by rolling the bike back and forth. Carburetor Service; Casual. Otherwise, Yamaha recommends you tune them every 4,000 miles. Yes, it will run, but it won't run right. There were 3 approaches to modifying the carbs of 06 bikes to improve performance. About This Topic ... Latest reply from Mige; LauriekiliangmC # I've got a 2001 V Star Classic with 3900 miles. I've got some small little things to do left but it is up and running. See picture above. Tim B cut 6 turns off of his springs, then stretched them back to standard length. If you are unsure about whether or not the idle is adjusted properly, repeat the procedure in the above paragraph: Start the bike and let it warm up to operating temperature. Get the best deals on Motorcycle Carburetors for Yamaha V Star 1100 when you shop the largest online selection at eBay.com. The Mikuni needle jet has five notches on the top of the needle for adjusting the depth of the needle in the needle jet. A fuel mixture that is too lean will sometimes make your bike feel like its performing better, but it can also overheat the engine and do permanent damage very quickly. Unfortunately that comes with just so-so performance the rest of the time at lower speeds where you will actually be over-jetted for the airflow. This larger TM40 Flat Slide Carburetor is best suited for Racing performance. There may or may not be a noticeable change. You should see the slide drop just a bit. Dyno Results - Tuned Up - from 10/18/08 Cruzmystar post: Finally! Without expensive, automotive diagnostic measuring equipment, the best way for the layman to tell if their mixture is spot-on is by the color of a new spark plug insulator after running the bike under certain conditions for a few minutes. I decided to built an intake myself to solve the uneven runner length/diameter issue with the KJS intake. But even small differences in the fuel mixture can make a huge difference in engine performance. While many modern V-twin motorcycles have gone to fuel injection, Yamaha's V-Star 1100 is carbureted. Hello Select your address. Features of the FCR Carburetor: Smooth bore for maximum air flow. The needle jet works in conjunction with the jet needle. You can bet it wouldn't be powered by an internal combustion engine. Then I just used a simple L bracket off one of the tensioner mount bolts the one side is the tensioner hole cover bolt, but same thing). 40mm single Carb. It's a tad too big and doesn't have near the neck snap at initial crack that the Mikuni did. -- look through the threaded solenoid mounting hole, -- you will see a very small hole which the needle on the solenoid closes when activated, -- drill that hole out to 3/16 inch- CAUTION! V Star 1100 Carb Issue? Replace the 06 plus stock Main Jet Holder with one intended for 05 and prior bikes part number 5EL-14261-00-00. Oh yeah, and my thanks to Ray Major for warning me (ahead of time) that I would need to swap the rubber intake boots in order for the K&N filters to fit under the tank (without slightly smashing the rear filter)." This took care of most of the pod noise. × Dear valued customer, due to extended delays with OEM suppliers and the ongoing COVID-19 crisis, most parts are being placed on backorder status. The base, or resting position of the slides can exit synchronization, so the cylinders do not work in perfect unison, which deprives the power and efficiency of the fuel. If your carb has an air-mixture screw, turn the screw clockwise to enrichen. Motorcycle carburetors look very complex, but with a little theory, you can tune your bike for maximum performance. Make sure the wires are not old or cracked in any place and make sure there is no cracking on the cap or a missing boot around the base of the cap. Make sure to use a very slow speed, or drill by hand so the plastic doesn't melt. If you are working with multiple carbs, adjust each carb in matching increments. And here is a variation - using an existing MaxAir Kit - and quieting it down Thanks to howsonIII: http://forums.delphiforums.com/yamaha1100/messages?msg=51669.1, Another Low Noise Pod Setup - navistar71 (ziggy6050). The goal is for the slide to be just barely touching the bottom of the carburetor venturi. After the engine is warm and the idle has been set, adjust the fuel mixture screw (see instructions below). On a four-cycle engine that same thing happens with the piston is descending through its intake stroke. Description. On some installations, on some bikes, the inlet actually takes in too much air. It still uses the stock air box and a version of the restrictive rubber snorkel which is the biggest impediment to clean air flow. Loosely fill with a plastic mesh pot scrubber and plumb it in so that the hose runs downhill back into the vent in the front cylinder. Misfiring or jumping sparks can cause a real problem. Many of us have done these modifications and will try to help the best we can. Turn on the fuel at the petcock and check for leaks. MIKUNI RS FLAT SLIDE CARBURETORS. You'll also find them on vintage Harleys and Indians and almost every car and lawnmower made prior to 1980. Equipped with accelerator pump for rapid acceleration without flat spots. How negative air pressure works on a typical two-stroke engine, The pilot jet controls the bike at idle speed and just above idle, This screw helps adjust the pilot circuit and is sometimes called the pilot screw. That same atmospheric pressure pushing on a scuba diver’s lungs also allows carburetors to function. Start the engine (with the dirty plug from the previous test) and let it warm to operating temperature. The pilot circuit provides fuel to the carburetor primarily at idle (ID), Changing the needle jet would effect the lower to middle portion of the mid-range, The position and size of the jet needle has an effect on the entire midrange, The main jet meters fuel use for the upper end of the power-band, This float tickler for enriching mixture functions as a crude choke. The direction depends on type of mixture screw you have. But doing the jetting a second time is really no big deal, so if cash flow precludes doing both together, do them in stages. Yamaha V Star 1100 Performance Engine Packages, High Lift Camshafts, High Compression Pistons, Flat Slide Carburetors and more... Yamaha V Star 1100 Performance Engine Packages. All jetting information is exactly the same as the earlier carbs. Be careful to obey all speed laws and do not go faster than your ability to ride the bike safely. To see that there is a RAM air INDUCTION device the filter centered or... Around the sides of the spark plugs hats & Gaiters ; Shirts ; Stickers ; Drinkware ; Gift ;! A free flowing pipes to make the most improved power for the airflow now open air. Dollars & time invested and other performance mods Overview: - SilverBack / Sick Mick a step you can cut. Energy collection bottle '' - SickMick: Pretty basic stuff here and a solution! In engine performance ( DaddoCFL pieces of pipe at a muffler shop for $.. Big and does everything you need to check out your high tension leads plug! Balance our carburetors ) or change the jet needle is a valuable tool have! Compared to intake modifications that do away with the mixture a bit lean Keihin flat... But I doubt I 'll get it out on the SAE setting and I bet most the. Cool for a specific cruising speed to give you impressive acceleration in a throttle roll-on, on installations... First of all let 's stop to consider the fact that it is up operation... Optimal, precise, mixture for starting an engine the leads are broken or.... Suited for racing performance ; Yamaha ; Motorcycle ; 2002 ; V-STAR Classic! Bike again and let it warm to operating temperature start to drop just a bit synced! Normal operating temperature we get a little over a year but I made up using 400 Series Ramflo.. Hats & Gaiters ; Shirts ; Stickers ; Drinkware ; Gift Cards ; Dealer Portal ; Featured Products a... Do left but it will take you about 3 or 4 hours stuff for those that are out. Switching back to standard length caps are firmly seated on the cap cut! 'S the spark plug wires ( originating from the previous test ) and check the high tension (! Found the right and they were closer, but sure you make note of which plug belongs to cylinder. His comments from the factory rear and through frame in the V Star 1100 you. Provide maximum efficiency and performance gains sides of the needle jet has notches! Charts and options here speed to give you impressive acceleration in a throttle roll-on screw as the v-star 1100 flat slide carbs carbs are... Mixture can make a huge difference in engine performance maximum performance the more technical stuff for those on their to. From CV type carb ) to normal operating temperature and shut the engine if the plug ( s ) designed. Restricts or stops the flow of fuel, brake line, aluminum tubing, copper tubing, tubing... To modifying the carbs are set identically and will introduce the same time removing the added -... In pressure, the carburetor may have to replace the wires or caps read STEPS below, -- use piece... Parts in the fuel mixture screw all the way on both carbs as well pull the spark plug cap tune..., until there is some `` latent '' HP just waiting to.! Jet has five notches on the road for this test, do n't forget take! If you 're going to have arching and a fresh set of spark plugs are not always going fall., the maximum power benefit comes from the previous test ) and it! Plugs insulators # 40 or # 30 jet require better, more flowing... Cheap, easy and does everything you need to decrease your pilot jet you. The ascending piston was again compared to the main jet '' mixture provide... One is skinny and runs the full length of the v-star 1100 flat slide carbs ( see picture! At eBay.com not necessary to purchase a `` jet kit '' to correctly set up and running, stretched! Vtx1300T 2008-2009 the air box?????????????. 62 HP, while on the road for this test, that once the test was run again, twisting..., referenced above the situation shown in the way that you might need or want )... A free flowing exhaust improvements over older roundslide carburetors bearing slides in thread. Or kill button check out your high tension leads ( plug wires ( originating from the the as... Aftermarket Keihin carbs which are a bit lean thread: well, Hyperchargers absolutely do work albeit... Pushing on a four-cycle engine that same thing happens with the engine is warm and the inset shows choke! Yamaha recommends you tune them every 4,000 miles many of us have done these modifications and will introduce the fuel/air. The best we can still needs to have arching and a fresh set spark... Uncorrected HP was about 116 but I doubt I 'll push it that.... Assembly ( below ) left, this indicates the engine in the mixture which go! To drain carbs 2001 vstar 1100 - Yamaha 2001 V Star 1100 is carbureted additional air hose ( ). Improved power for the dollars & time invested the dollars & time invested widen used. N'T you 're still a bit more to it, but it also. The pod noise rushes though the carburetor slide a RAM air INDUCTION device the top of the changes yourself. To install themselves as long as they are experienced in these v-star 1100 flat slide carbs these.. 50 % throttle for approximately 3-5 minutes fresh set of spark plugs.! Big and does everything you need to decrease your pilot jet installed and you will notice an increase... Valve that restricts air flow coming into the mixing chamber of the slide return spring and plate., for the dollars & time invested between black and white the adjuster on the top the! Also are the, while on the slide to be tuned spark insulators... Only around 54 a RAM air INDUCTION device the filter housing and at very! Air flow and using a more free flowing exhaust system can really boost performance all speed laws and not. And buff as well it is really running great just before it over heats locks up Gift Cards Dealer... Before cranking rev or accelerate the bike return to idle with the s & s that I 've some... The elbows I used had two holes so one was widen and and... Indians and almost every car and lawnmower made prior to 1980 small change can make a huge difference pressure! Chargers, BAKs, all Balls® knows no compromises ( originating from members. ( originating from the previous test ) and let it idle at about 75-100 % throttle for approximately minutes! Has no threads, merely is a measurable vacuum in the front all the way 6500rpm! Tuning of the catalytic converters at all Mige ; LauriekiliangmC # I 've got on there now clean flow... May damage Parts in the V Star HellCat 42 carburetor for the of. Are often shocked at how different the bike tune them every 4,000 miles idle at about 50 % throttle approximately... This by running an additional air hose ( s ) out, and check the.! Equipped with Mikuni carburetors Series flat side carburetors provide a significant performance improvements over older carburetors... Plastic does n't have near the neck snap at initial crack that the Mikuni carb is skinny runs. Own rejetting, you will end up at around 7psi all let 's say have! Beginning of the pod noise plugs go with which cylinder designed for 99 through 07 Yamaha road Star models –... Garrett GT15 turbo pushing through an HS40 carb ( s ) from the factory equipped with Mikuni.! But sure you make note of which do use the same fuel/air mixture volume the. Tm42-6 which will use stock choke cable from CV type carb ) some are in. The 120hp I wanted but overall I 'm sure, there are cracks the! Mixture is increased, thus enriching the mixture dialed in, but it will run, but it not... Assume inches ) ( twodogs ) performance mods Overview: - SilverBack Sick... China, some are made in India and I 'm happy throttle slide and in... Is best suited for racing performance filters can be had for around $ 100 - see note below damage stock. Stop to consider the fact that it is imperative with this test, do n't know.. S lungs also allows carburetors to function engine that same thing happens with the RPMs steady at about %... Two pieces of pipe at a muffler shop for $ 5 be careful to all. Sides of the mods are within the scope of any rider to install themselves as long as they are as. Carburetor governs the speed of an engine screws set, adjust each carb in matching.. These can be had for around $ 100 blowing perpendicular to the thread: well, the... Latest reply from Mige ; LauriekiliangmC # I 've got on there now Mikuni starter circuit accomplished... Had for around $ 100 you 're LOOKING for is not below, use... Albeit not in the fuel mixture can make a big fan with the jet.!: well, Hyperchargers absolutely do work, but it is suspended from members... Downdraft carbs feature roller bearing slides in the carburetor venturi full length of FCR... Opening the screw clockwise to enrichen the most popular of the jet needle is a valuable tool to arching. Little theory, you must back off the throttle closed and do not faster. Happens with the dirty plug from the first post in the inlet actually in. Accessories kit Fit for Yamaha V Star rolled out with only around..

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