Note: If there are more than 5 clip positions, it is not stock - most likely from a DynaJet kit. If the stumble starts to return then drop to a 17.5 and start with 3 turns out. Performance improved through the low & midrange but was still stock flat in 5th gear form 1/2 - WOT. The BENCH SYNCH From Tim B - Metric Magic, "With the carbs out of the bike hold them up to a light and look down the throats. Difference in the way the needle valve seats between the front and rear carbs, however it wouldnt run without partial choke, o ring on the float valve (rear carb) seems like it might be failing. Drain carbs, open 4 drain screws then close. Some supplemental pictures - courtesy of drenfro22: 1. Free shipping on many items | Browse your favorite brands . 7. Old pilot jet for vacuum restrictor (helps to reduce the gauge needle from bouncing too much). 6. Performance Pipes: Current list includes: Cobra HP 2-1, PCS Monster Pro 2-2 (despite looks), Roadhouse Classic 2-1, Pro-Race Pipe by S&S Custom Cycle 2-1 and . -- I talked with my DYNO guy about this very thing once and he said the biggest effect was the cylinder temperature difference but that in itself it doesn't justify a complete main jet size difference. Using the SYNCH screw, adjust the second carb in the same manner to match the first carb. In the diagram below, you must remember that the needles are installed in the carb with the needle (left side of the diagram) point down into the carb, and the big spring (right side of the diagram) is on the top of the carb. Blow some carb cleaner through it or soak it as you did the first. 5.0 / 5.0. Fuel Hose - Turn fuel selector to off, compress the fuel hose clamp and pull the fuel line from the fitting. -----------------------------------------------------------------------------------------------------------------------------------------------------------------------, SS Custom Cycle/Performance Tuning XVS-1100, 429 Cam Kits: With Stock needles (Not For Slip-on Exhausts), 3.25 to 3.75 turns out on stock PMS with stock float level & 20 pilots (Start at 3.5), Above based on the use of a full after-market exhaust system and SSCC's Chubby air kit. My theory is that they give you a richer needle, and leaner main jets because of it. AND the bike must be level, side to side, and NOT leaning on the stand. This will get you very close to synched. A carb system really isn't that complicated and you could probably do it yourself if you have the basic tools. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. This is a procedure that needs to be done at least once a year during maintenance, any time you remove and replace the carbs, or a least any time your bike feels like it running rough. I suggest you keep the tank full. it is more restrictive than the front elbow built into the pipes. Some riders have reported that they were able to re-solder the wires back together as long as there was something left to solder to. LV-10 CARBON FIBER. Wrap the threads with Teflon tape and just screw them together tight. The recommendations that Barons gives for stock or aftermarket pipes are included with the directions. 4. Clean as necessary. Then I closed the drain and after a min, shut the bike down and let it sit overnight. Yamaha XVS1100 carburetor rebuild cleaning or jet kit DO IT LIKE PRO! 5. . The "SSD" kit comes with 2 float bowl plugs, a specially made wiring harness to eliminate the check engine light flashing and complete instructions with color pictures for installation. You may also opt to soak the carb in cleaner overnight or to clean the holes out manually with a set of brushes or a guitar string. The Classic has a taller windshield and passenger backrest, while the Custom has a lower, more streamlined look. 3. ) A dental mirror may be of help. The Fora platform includes forum software by XenForo. Altitude Impact - The jet recommendations in the above table are for altitudes up to around 4000'. 3/16" ID clear tubing (one end is darker due to staining from oil), 5. It sat at a friends for over 2 months with reserve fuel only and the gas went skunky. Sign up for a new account in our community. Remove the Air Intake Box The easier way to do this is to remove the Air Cleaner Assembly and the Air Duct first. Comparison of stock and and the Pilot Air Bleeds supplied in the Kuryakyn Hypercharger Kit. Careful not to use 120lbs pressure, you might end up with parts in areas where they do little good. since the rear is running hotter it will require less fuel for the same AFR ratio as the front. Just follow this link to get to the forum - V Star 1100 Riders Forum. ", Contact Sick Mick at xsickmickx@gmail.com - Paypal accepted, Forum Thread http://forums.delphiforums.com/yamaha1100/messages?msg=55529.1. I put it down on my kitchen counter and had my son hold it while I blew on the inlet line and messed with the floats listening to when they shut and open. Thaat gets existing gas out of carbs but the sta bil protects from shellacing. Copyright 2023 Leaf Group Ltd. / Leaf Group Media, VStar: V-Star 1100 Carburetor Bowl Screw Repair and Removal After Stripping and Pilot Cap Removal, "Rebuild and Power Tune Carter and Edelbrock Carburetors"; Larry Shepard; 2010. -nick, When you need jets for the 1100's stock carbs, you are looking for: Mikuni CV Carb Jets - Small Round Jets, Mikuni Main Jets: KN102221-xxxx where xxxx is the jet size, i.e. Fuel Shut Off Solenoid Wires - They Break Easy - How to Fix. It is rarely necessary to purchase a "jet kit" to correctly set up the V Star 1100 carbs. Was it a good idea? It is best to hold the carbs sideways. Your factory manual or an after-market manual will tell you how much gap there should be between the bottom of the slide and the bottom of the venturi. Then did the measurement with my slide rule real easy. The OEM part number for new bikes is different and they come with five notches like the euro bikes. Note: (from twodogsfin) there is a tiny little shoulder down at the base of the needle wells in the slides where the shims and or plastic spacers sit. Richard Rowe has been writing professionally since 2007, specializing in automotive topics. Making More Power - Comparisons. If you take fuel line off at center rear of carbs and spray full, this will effectively place cleaner in all your carbs. or Best Offer . Flag Print this page Add Your Answer Slip a hex-head driver into the carb mounting bolts and remove the carburetor out through the top or side. Also, if the adjustment screw is tight, consider using a 7-mm wrench, as it's both a bolt and a screw. 4. Which began shortly after the release of the V Star 1100 in 1999. For pods, add the specified shim below the plastic spacer. Look inside the holes for junk in the carburetor. LV-10 CARBON FIBER. This chart includes jetting recommendations for ALL Years and Models of the V Star 1100. 20's may be a bit too rich in most cases, but are still listed in the jetting chart as an option. Because you cleaned the jets, plugged passages inside the carb body itself. The jetting recommendations below are only a good starting point. Personally I'm gonna add fuel stabilizer and sea foam and run her about outta gas before I put her away for the winter, then I'm gonna shut off the petcock until she quits running! Many V Star 1100s backfire, especially when theyre first started up after sitting for a while. Needles with notches and clips, UP = Leaner, Down = Richer - as you are allowing the needle to move down less - (both refer to clip position relative to the top or blunt end of the needle), With stock exhaust or Cobra Slip-On Mufflers, One .020 shim added to raise each needle, 122.5 Main Jet in the front cylinders carb, 120 Main Jet in the rear cylinders carb, Pilot Mixture Screw (PMS) 2 turns out from lightly bottomed, With Vance & Hines, Samson, or open Drag pipes, 125 Main Jet in the front cylinders carb, 122.5 Main Jet in the rear cylinders carb. Build one of the manometer versions above, or buy one of the many gauge set ups available commercially. His articles have appeared in national publications, including the "Wall Street Journal." We have found that a Yamaha part number 256-14997-00-00 seal is a perfect replacement for the throttle shaft seal on the 1100's Mikuni carbs. The rubber diaphragm is susceptible to damage from solvent-based cleaners. There are numbers in parentheses in the chart below (1). Save your brain for something a little more important. What I did was empty out all the fuel from the tank and carbs. The canned air is only a prop.Leak testing is important, you will notice the jig. 6. That is unless you want to avoid having to go through most of the work the second time you do this job. You'll see the holes around the bottom cylinder of the jet. a.) Cleaning; Polishing; Engine Stands; Roadside; Shock Tools; There may be other variables that will need to be adjusted for, but these recommendations will get you close. I hear what your saying Marcarl. If you block the hole with your finger while the choke is off and the engine is running and the idle RPM changes the choke valve is leaking air. ** - Simply turning the PMS out an extra 1/4 - 1/2 turn will increase the mixture throughout the throttle range on these bikes. I don't like cracking into carbs unless I really have too. I have found that, if the OD of the metal shims is too small, they can sit down beyond that shoulder, which actually reduces the amount that, that particular shim raises or lowers the needles. (it's possible that's all you need now, which is like a 30 minute job if that.if the bike has been sitting for years, then get it cleaned). I started the bike up and while it was running, I poured concentrated carb cleaner directly into the fuel line. BTW, this job can be done with a single dial type gauge but that is really a pain in the buttocks! Anytime you modify your engine, you can expect the carburetor may have to be tuned. Getting into the carb synch screw for adjustment can be a tight fit causing burned fingers and a few 4 letter words. CruZmystar put it best: Lots of different opinions on that one and I'm sure you'll hear them all. 81K views 4 years ago Yamaha VSTAR 1100 - XVS1100 Maintenance and Repair This is the first video in a series of repair videos for the VSTAR 1100 that begins with my VSTAR that was stored up for. There is no definitive answer to this question as it depends on a number of factors, such as how well the bike is maintained, how it is ridden, and the conditions it is ridden in. If you have a V Star 1100, you may have experienced carburetor problems. Driving Passing Signals Light Bar For Yamaha V-Star Vstar V Star XVS 1100 Custom. Assuming you have a Mikuni carburetor, here are the steps to clean it: 1. They cost between $60-$90 and you will end up throwing away $50-$80 of the stuff they contain. The Yamaha V Star 1100 is a great bike with plenty of power. Now this is an issue for you to consider, and a choice for you to make. . Soak all of the parts in carburetor cleaner for a few hours. And the reading at idle should approximate: 34.7 37.3 kPa (260 280mmHg), 5.) You need to be a member in order to leave a comment. Install the fuel level gauge (part YM-01312-A, 90890-01312) to the fuel drain pipe Loosen the fuel drain screw Hold the fuel level gauge vertically next to the upper face of the float chamber Measure the fuel level Note: fuel level readings should be equal on both sides of the carb assembly To adjust if out of tolerance: Remove carb assembly Be very careful not to strip the screw heads. B - Alternatively (and for the less technical minded) there is a great product called Sea Foam. If so, where does the hose go? The bike is is running like a top now. Identify the jets; they're in the recess where the float needle went in. Gently lock a pair of vice-grips around the large brass tube in the center (the second jet) and turn it gently counterclockwise to remove it. 2006 Up Plus 2005 California Bikes -These setting apply to '06 bikes that have had the jet holder modifications done (removal of the O ring usually suffices), 9. Moto Guzzi California 1100 Carb 1100i 1100EV SS Stainless Regulator Fixings Kit, CNC Wheel Axle Fork Protector Slider For KAWASAKI ZX-14R ZZR1400 NINJA 2006-2015, Fits 18-22 Toyota Camry OE Style Flush Mount Rear Trunk Spoiler Wing Unpainted. This is not optional.it is mandatory to insure proper tuning. I would have created a video but others have and there's one that's really well done on YouTube. If youve checked both the spark plugs and the air filter and the backfiring persists, the next step is to check the fuel mixture. The second vacuum access plug is not actually at the carburetor duct, but is actually on the line that runs from the rear vacuum port to the AIS. This is the tab that we will be bending to adjust the distance at which the valve will close. VERY IMPORTANT! 833 94K views 4 years ago Yamaha VSTAR 1100 - XVS1100 Maintenance and Repair This is the first in a two part series on the complete disassembly, cleaning and reassembly of my dual Mikuni CV. This legendary V-Star 1100 Classic has an unsurpassed reputation for value and reliability thanks to its authentic air-cooled V-twin that pumps up some serious horsepower and performance,. "Reminder for DIY Manometer: Turn the synch Screw Clockwise (in) to lower the oil level for the rear carb" and always remember to turn it SLOW in small increments and let everything settle before turning it again. Reset the IDLE screw to original position. The idle circuit seemed rich so I closed up the PMS to 2.75 turns. V Star 1100 too much fuel coming to the carburetor, it leaks out Some times cant start the motorcycle, carburetor fills up with fuel until it leaks Posted by Arturo Sukovich on Feb 29, 2012 Want Answer 0 Clicking this will make more experts see the question and we will remind you when it gets answered. 06-09 years only. Turn the carburetor over with the flat fuel feeds facing upward and use a box-end wrench to remove the needle housings from the carb. ), 4. Loosen the screw in the upper right-hand corner of the float bowl and remove it; this is the in-bowl fuel filter. Note that after spending the same day on the Delorean AC I said a part was an 'orifice tube' and not emulsion tube. . While the V-star's 75-degree V-twin hearkens back a time-tested 30-plus years, even the best are eventually going to need some routine carburetor cleaning and maintenance. Ok, You will need to remove the Seats and Fuel Tank in this order: 1. ) Basically a exhaust that creates more vacuum will use up the fuel creating a lean transition from needle to idle on deceleration. Metric Magic Thumbscrews and MaxMix (Old) screws are set at 1/2 the turns of the stock PMS. These values are based on the assumption that the motorcycle is being sold by the original owner and that it has never been in any accidents. (See Performance Comparison Section), 10. Glad you figured it out, we used to have a couple of Vstars and tearing down, re-jetting, and reinstalling and balancing those carburetors kept me busy for a whole day more than once. I installed the recommended main jets of 115 front & 112.5 rear, with Barons needles on the 4th notch and PMS set at 4 turns out. And the engine idle speed should be set to its correct range. link to Why did Ford use two-piece spark plugs? V-Star 1100 Carburetor Synchronization process. Now locating these boys on your engine will be the test of your patience and persistence. With a strong light shining into the back of the throat, adjust the IDLE screw until you can just see light on the "arc" you made in the front of the throat of the first carb. Was it a good idea? Most diaphragms I see (85%+) are in great working condition and do not need to be replaced. Remove the throttle linkage either after you have the carburetor out or before you remove it. The V-Star came with several different engines, ranging from 250 cc to 1,100 cc, so space constraints will vary; the carb and accessories may come out through the top or side, depending upon the bike. --------------------------------------------------------. If there is air in it you can get condensation that will cause rust. 21 posts from 8 voices. that hides in the storage compartment of your bike. Haven't had to tear them carbs apart yet,,,, but that may happen some day. Swapping them around may result in an inconsistent air-fuel ratio. Passenger Seat Single Allen head bolt. Carb Synch Screw Modification "How To" Video, Carb jetting information is in the TUNING section or click here > 6 Carb Jetting, ---------------------------------------------------------------------. The Fora platform includes forum software by XenForo. There are hundreds of different jetting and needle set ups.make sure you follow the jetting guide based on EXACTLY what you are doing (NO GUESSING! (or Why Do it). Hold the float in this position with one hand , and use the other hand with the 14mm gauge to measure the distance. Google Sites. Pilot Mixture Screws. Hang the device in an appropriate spot that does not block your access to the adjusting screw. It should be your high speed jet? Jets are SMALL MIKUNI. The kit runs $35 shipped to your door (CON USA Only). Do it yourself Motorcycle repairs 14.3K subscribers 23K views 4 years ago Here is detailed instructions how to clean and. The least time in it the better! 4. ) Air Filter Cleaner Element Replacement Fit for Yamaha XVS1100 V Star 1100 Custom Classic XVS1100AT Silverado 99-11FEATURES:High Air Flow with Excellent Filtration.Environmentally Friendly.Designed to Increase Horsepower and Acceleration.Washable and Reusable.They offer bigger air-flow, with almost 99% filtering efficie Speedometer lead connector You will find the connector under the Igniter plate. Float Tool Options: Some folks are using a metal metric pocket ruler with a T-slide for their measurement tool - picture below. The reason I wrote this post was if The bike doesn't start running better, Was trying for a last ditch effort to avoid tearing ones carbs apart as that is a 6-8 hour job i can do it now blindfolded, but if you don't have to I'm with you! (right rear seam & left front seam). Carb synching and cleaning information is in the MAINTENANCE section or click here > Carburetor, "The wKB" V-Star 1100 Wiki Knowledge Base, http://forums.delphiforums.com/yamaha1100/messages?msg=55529.1, You will need to insert a bolt in the hole from which the solenoids were removed - the 8mm socket head fits fine, the head fits into the recess in the carb. Referencia: 15248C; . Once you get the bowl mechanism back together, test for movement before you install the float bowl covers. So if you set it at 12mm..you should double check the setting. 9. ) Once you've cleaned the carb out, dry and clean the area thoroughly to remove any of the cleaner. NOTE: It is recommended you use 3/16 ID clear hose instead of the 1/8 ID that was originally used in the above article. OR - Add some electrical stuff to make the bike think the solenoids are a still there. Backfire on decel usually means that it is too lean at idle. Fit For Yamaha V Star 1100 XVS1100 Carburetor Intake Manifold boots 1999-2009. Mains - Stock bikes come with staggered main.s. "The Over Complicated Synch Method". below. Consensus on POD is to use same size mains front/rear, unless specifically specified by the pod kit manufacturer. Well the 2000 does not have the carb restrictions that the newer model years have and I feel, even after speaking to Barons, that the jet kit needs to be revamped for the '06 and newer model years. Found my error with fuel starvation - the seat for the needle jet has a flat side for proper orientation - I didn't realize this and installed incorrectly yesterday. Find many great new & used options and get the best deals for 2006 V STAR 1100 CARBURETOR THROTTLE LINKAGE CARB YAMAHA XVS11 5YS-14906-00-00 at the best online prices at eBay! With a little patience and some elbow grease, you can get your V Star 1100 running like new again. Reset the IDLE screw to original position. My first bike was a 650cc inline four, 70hp, 180kg, you can imagine how quicker it was than the 1100 V-Star, which is an 1100cc vtwin with 60hp and 280kg. You'll also need a carb sync. link to How to Clean Carburetors in John Deere D130 Tractors. A lot of motorcycle supply houses sell small plastic remote fuel tanks that hold a liter or so of gas, or you can salvage a tank from a discarded lawn mower and use that as I did. Plastic 3/16" connector to connect to vacuum tube from the carb. Mikuni designed them specifically for those carbs, and I feel they should stay there. You can do all of this if you want, but the easiest method is listed above. This information has been put together exclusively by the members of the V Star 1100 Forum on Delphi. LV-10 CARBON FIBER for APRILIA TUONO V4 1100/FACTORY 2021 - 2023. Here's some of them. -- stock air box is very restrictive and due to it's design and shape the front cylinder will get more air thus requiring more fuel. Carb cleaning followed up with about 60 psi air would be better. They serve no other purpose and are only on bikes manufactured from 2005 (california only), 2006 (federal) - 2009. Once they are balanced (the fluid or vacuum is not moving one way or the other) you're done. This will help prevent sucking the gunk into the jets. Stock bikes come with staggered jetting (different main jets for front and rear cylinders) and MaxAir recommends that same setup when you install their POD kit and rejet. Thanks to 09alex1977 for researching this. Like I believe skydoc_17 said it's maybe a 50/50 thing. I would never do a final cleaning with canned air. I have about 6' on each. Label and disconnect all the hoses, or take a few pictures in the process of disassembly so you can get things back where they belong later. Now here is what I was messing up. In the morning, I flushed the cleaner out of the carbs and put the bike away for the winter. If you own a V Star 1100, you may have encountered carburetor problems. The Ram Air Intake improves the restricted airflow from the factory air cleaner to your engine. 2. ) A manometer is a device used to measure vacuum pressure. It must also have a full prime on the carbs - turn on the ignition and let it click until it stops. The 2 Links Below Are Required Reading For Anyone Not Familiar With These Carbs ! TUONO V4 1100/FACTORY. Shop by category. The manual suggests that the bike be placed on a suitable stand or lift. 2. That should take care of any residue in the carbs. Here are two solutions for you: A - Take the carberator off and soak it in some good quality carb cleaner for about 1/2 an hour. -- front cylinder will run cooler than the other due to it being out in direct airflow. LV-10 CARBON FIBER para APRILIA TUONO V4 1100/FACTORY 2021 - 2023. Remove the carburetor from the motorcycle. Maustarman put together this video of a modification he did to make it a painless operation. (I do mean lightlyIf you are using a mercury stick gauge and have cranked the throttle really hard it may be time to go out and buy more mercury, as that engine will suck it right out of the gauge like it was drinking a chocolate malt at Steak and Shake!). The second is along the mating surface of the carburetor housing that meets the bowl housing. The power and the dynamics of the 1100 are not excesive for a beginner, 1100cc might sound intimidating but don't forget it's a vtwin, which means less power per cc. 2. Carburetor Carb Dirt Jet Cleaning Tool Needle Brush Set For Motorcycle ATV Parts (Fits: 2005 Yamaha V Star 1100) $11.69 Was: $12.99 Free shipping or Best Offer 77 sold For Yamaha V-Star 1100 XVS1100 1999-2005 carburetor repair kit air screw Float (Fits: 2005 Yamaha V Star 1100) $14.33 Free shipping or Best Offer I always re-check the synch once the carbs are in the bike with a manometer but doing it like that while the carbs are out will keep it from being way off when you first fire it up.". 2002 99-05 yamaha v star 1100 CARB CARBURETOR 100% GUARANTEED CLEAN & READY (Fits: Yamaha V Star 1100) $500.00 $20.00 shipping SPONSORED 2x Classic Carb Carburetor Heater for Yamaha V Star 1100 XVS1100 1999-2009 USA (Fits: Yamaha V Star 1100) $18.20 Free shipping or Best Offer SPONSORED There should be a hole in the mouth of the carb without a brass jet in it. (The Yamaha Cleaner is safe for plastic and rubber parts, unlike Chem-Dip and other cleaners). your carbs is a very simple process. Remove the drain screws from the bosses on the float bowl covers. Obviously you'll need 2 of these. -- if you have a gap between the crown of the float and the gauge, you will have to push down on the tab to increase the distance. Free shipping on many items | Browse your favorite brands . catnipp Amie (catnipp2). Once the cap is loose, the spring will push it up. Disassemble the carburetor by removing the float bowl, jets, and other parts. 1. I know what your saying though about rust/condensation and corrosion. When adding a shim you are moving the taper away from the "opening" and allowing more fuel to pass. After speaking with Shane & SS custom & Tim Bondurant, it was recommended to put the stock needles back in. Received my rebuild kit and installed this morning. If youve tried all of these things and the backfiring continues, its time to take your V Star 1100 to a mechanic to have it checked out.