3. 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. Then did the measurement with my slide rule real easy. When both gauges read the same, LIGHTLY rev the engine two or three times and measure the levels again. 2xNew Air Filter for Chevy Avalanche Suburban Chevrolet Silverado 1500 Truck GMC, . With a stock of more than 250,000 used motorcycle parts, Baboon Motorcycle Parts is I feel pretty sure I re-installed all the hoses. A half can in a full tank of gas is a normal amount. (Note: these are DynaJet needles). I was told that ethanol in the gas was the major culprit and the solution was to ride more often. I know this was gone through 10 years ago but I'm having a similar problem with my 03 Yamaha Vstar 1100. Free shipping on many items | Browse your favorite brands . A good picture of how/where to measure - and the popsicle tool - thanks to oldfrank. 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. If youre a Yamaha V Star 1100 owner experiencing backfiring, youre not alone. If there is air in it you can get condensation that will cause rust. The bold note below will tell you which way to turn the screw. Remove the carburetor from the motorcycle. Its a done deal! Remember, this is a very simple process. ** - Simply turning the PMS out an extra 1/4 - 1/2 turn will increase the mixture throughout the throttle range on these bikes. Follow all of the instructions below, including the use of jetting chart and simply purchase the jets listed. Main jets can still be changed to 1 step larger, but the PMS adjust can accomplish pretty much the same thing in many cases. The kit runs $35 shipped to your door (CON USA Only). or Best Offer . It's a far superior tool to tune your carburetors. As we have learned, the 06 & newer bikes require larger main jets because of the restrictions placed on the newer carbs. Clean up the engine area of your bike without breaking the bank! Follow the manufacturers instructions!!! b.) Two bolts, on both the Custom and the Classic. Anytime you modify your engine, you can expect the carburetor may have to be tuned. 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. NOTE: When removing the carbs from the bike (per above instructions) remember to loosen the hold-on clamps all the way. 2. ) Note that after spending the same day on the Delorean AC I said a part was an 'orifice tube' and not emulsion tube. Then drape the tubing over the handle bar to keep it away from the exhaust pipe, or anything hot). Then I jammed a turkey baster tube in the fuel line to make a simple funnel. Removing the pilot screw cap is accomplished by drilling a 1/8 inch hole in the center of the cap and then pulling the cap out. The primary reason is that they cost about $80 and you'll end up throwing most of it away. Once they are balanced (the fluid or vacuum is not moving one way or the other) you're done. I agree, keep the tank full and put sta bil in . If you have a V Star 1100, you may have experienced carburetor problems. Remove the Fuel Tank. The first is the peak of the float. 1st of 4 tear down videos: https://youtu.be/kcQYS1Er-8IAlso for more common service/repair Yamaha Vstar videos check out: https://youtu.be/-zw_I5M2pCAhttps://youtu.be/77YLmhXN790https://youtu.be/7lfI9f8OScIPatreon https://www.patreon.com/midnebraskamotorsportsInstagram https://www.instagram.com/midnebraskamotorsports Check out my eBay store at stores.ebay.com/midnebraskamotorsportsShop for parts at: midnebraskamotorsports.comWe Disassemble: Clutch Head Cover Cylinder Piston Stator Points Rotor Magneto Generator Alternator Coil Camshaft Cam Chain Tensioner Rocker Electrical Cases Bottom End Case Set Transmission Shift Drum Fork Gear Shaft Flywheel Starter Idler Clutches Bearings U Joint Yoke Driveshaft Shaft Float Main Jet Bowl Slide Needle Seat Intake and more Assembly The rule of thumb is to drop one jet size (they are in 2.5 increments) for every 2000-3000 feet rise in elevation after that. 473 Answers There is no shortcut for maintenance of the carbs. 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. Drain carbs, open 4 drain screws then close. Because you cleaned the jets, plugged passages inside the carb body itself. If you take fuel line off at center rear of carbs and spray full, this will effectively place cleaner in all your carbs. a.) the bench synch is merely to get you close to get the bike running. Buy Saddlemen Renegade Tour Pillion Seat With Studs For Yamaha 1999-2011 1100 V-Star Classic Models (Y0130J) Menu; Specials; Models; Catalogues. For pods, add the specified shim below the plastic spacer. 3. clean everything as necessary as you put the carb back together. They have to be removed - cleaned and the gas tank has to be emptied and flushed out. Be very careful not to strip the screw heads. '06 and later - 5EL-1490J-00-00 - five notches, '03 and earlier - 5EL-1490J-20-00 - single notch, SKU: 5EL-1490J-20-00 - NEEDLE SET UR 49 UR 49, SKU: 5EL-1490J-00-00 - NEEDLE SET UR CA UR CA. Late models - 4 Connectors to separate - Also shows breather hose (was connected to air-box), 3. If so, keep reading. That should take care of any residue in the carbs. Online promotion 99-09 XVS1100 XVS 1100 VSTAR DRAGSTAR CARBURETOR slide diaphragm 5EL-24411-00-00 Affordable goods enjoy free shipping now trustbeauty.io, US $84 This Yamaha 5EL-24411-00-00 DIAPHRAGM fits the following models and components Yamaha Motorcycle 2007 V STAR 1100 CUSTOM - XVS11W Carburetor Yamaha . 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. In that rare instance, please use table "B". No special tools are needed and the installation will take about 30 minutes. Make sure you shut off your petcock after every ride. Unscrew the jets with a screwdriver. (See Performance Comparison Section), 10. Clean or replace as necessary. 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 a time due to reasons beyond my control leading to gas rot. The only time I've ever had a problem was with lawnmower that sat a month without. 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.". Fuel Shut Off Solenoid Wires - They Break Easy - How to Fix. 4 Repairs 5 Modifications. Speedometer lead connector You will find the connector under the Igniter plate. 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. 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. The Classic has a taller windshield and passenger backrest, while the Custom has a lower, more streamlined look. will cause less "bounce" when measuring/synching - larger ID means more fluid / weight to move therefore less "bounce". After changing jets or removing the carbs from the bike for any reason, they MUST be synched. You can do all of this if you want, but the easiest method is listed above. Ignition. 10. ) Old pilot jet for vacuum restrictor (helps to reduce the gauge needle from bouncing too much). Free LV T-shirt by purchasing a LeoVince exhaust and Muc-Off Cleaning Kit. Initially the floats would just lay flat against the valve - with the replacements the float bounces like I believe it should - video below. Once you have the carburetors assembled and installed on the bike you will find that adjusting the PMS screws and idle speed has greater sensitivity and dont forget to sync the carburetors to each other. Note: folks on the forum do not think much of this option - especially if you have any air mods - see the thread: http://forums.delphiforums.com/yamaha1100/messages?msg=13808.1. Received my rebuild kit and installed this morning. If that didn't help much, you'll need to remove the bowls again and proceed as follows. See note below. Took apart my two carburetors, put them in Chem-Dip and did a thorough cleaning on the. I have thoroughly tested these and they have performed flawlessly. 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. This is more then sufficient time to sync the two carbs, but the engine must be HOT to get accurate readings. 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! Adjust the synch screw to get both butterfly's where they are even. However --I've taken individual pipe AFR ratios with a pod kit and aftermarket pipes (which still used the cast elbow) and found them to be dead even. Wrongly adjusted float height makes the engine fail to run. Pull the float pivot pin out and gently pull the float out of the carb. Hopefully this can give you a start for the BAK's. Back off the SYNCH screw until it isn't touching. How could you tell that one cylinder wasn't firing? ** We've discovered that simply turning the PMS out an extra 1/4 - 1/2 turn will increase the mixture throughout the throttle range on these bikes. 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. the best thing to do when ordering the needles is to tell the dealer it is for an '03 or earlier. Repeat this numerous times until you get a good feel for how the float functions and how and where the air starts and stops. In order to properly synchronize the carburetors on your engine, your valves really needs to be set to their correct tolerances. Take the carbs off. --------------------------------------------------------. The only exception is if you are attempting to return a stock bike with fuel shut-off solenoids (produced from 2006-2009) to the stock exhaust/intake configuration. 5. I know what your saying though about rust/condensation and corrosion. That screw can be found between the V and just under the carburetors. 4. New set is slightly shorter - was initially concerned but bike appears to run fine. Like I believe skydoc_17 said it's maybe a 50/50 thing. Then opening the screws 1/4 turn at a time until the issue is corrected. Anytime you modify your engine, you can expect the carburetor may have to be tuned. All made in Taiwan. I just prefer the stock needles. Set the jet aside. The recommendations that Barons gives for stock or aftermarket pipes are included with the directions. I use real air pressure from a compressor at much higher pressures. LV-10 CARBON FIBER para APRILIA TUONO V4 1100/FACTORY 2021 - 2023. Reset the IDLE screw to original position. 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. 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 Should also sync your carbs every year it's great for your MPG'S. In the idle circuit you're not going very fast so air-flow isn't a big deal and on the average riding day you're hardly into the main jets. 4. ) Obviously you'll need 2 of these. And the reading at idle should approximate: 34.7 37.3 kPa (260 280mmHg), 5.) This video covers these breakdown preparation actions as well is what is found along the way, so that items can be inspected and repaired in upcoming videos. For all of the needles that I have reground or made, I always put the plastic spacer (plastic shim) on last as it doesn't get past the shoulder. Haven't had to tear them carbs apart yet,,,, but that may happen some day. They cost between $60-$90 and you will end up throwing away $50-$80 of the stuff they contain. With expertise in marketing, publishing, advertising and public relations, John has founded four writing-related ventures. 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. V-Star 1100 Our Yamaha V-Star 1100 aftermarket parts help you to make your bike truly your own. You need to be a member in order to leave a comment. I keep mine right in the middle of the 950 to 1050 rpm suggested by Yamaha. Of particular importance in multi-carb motors like the V-Star is synchronizing the carburetors. Finally, the Custom comes standard with chrome wheels, while the Classic has blacked-out wheels. Carb Carburetor Rebuild Kit Yamaha XVS1100 V-Star VStar 99-06 Ref.18-5192 This item is made with High quality materials. Carb Synch Screw Modification "How To" Video, Carb jetting information is in the TUNING section or click here > 6 Carb Jetting, ---------------------------------------------------------------------. (Other kits are less expensive too). Is the idle issue caused by running without the resonator and intake? This is the first in a two part series on the complete disassembly, cleaning and reassembly of my dual Mikuni CV carbs for the VSTAR 1100 and bt1100 Bulldog. link to Why did Ford use two-piece spark plugs? Backfire on decel usually means that it is too lean at idle. The Yamaha V Star 1100 is a great bike with plenty of power. This is not optional.it is mandatory to insure proper tuning. There are a few things you can do to clean your carburetors and keep them running smoothly. Sign up for a new account in our community. The Fora platform includes forum software by XenForo. Make a new harness to eliminate the fuel cut off solenoids . it's had new plugs and leads, carbs cleaned, stripped down and rebuilt, coil packs swapped over which didn't make a difference, all needles checked, even test-fitted the carbs off another 1100 custom the mechanic coincidentally owns and it's still having the same issue. See note below. While many modern V-twin motorcycles have gone to fuel injection, Yamaha's V-Star 1100 is carbureted. 3. There are numbers in parentheses in the chart below (1). Wrap the threads with Teflon tape and just screw them together tight. Copyright 2023 Leaf Group Ltd. / Leaf Group Media, The Engineering Toolbox: U-Tube Manometer. For occasional riding at higher altitudes, most riders have no major issues with the standard jetting, however you may need to adjust idle speed slightly. Mains - Stock bikes come with staggered main.s. Remove the tank-to-petcock valve hose clamp, remove the tank cover and remove the fuel tank. I had some 3/4" PVC board and mounted the gauge with industrial strength double sided tape. Enter your search keyword You have just created a measuring gauge. I don't want any fuel in the carbs over the winter. I did this for about 5 mins of running at high idle. They are not put there to specify the number of PMS screws, pilot jets, main jets, needles or the number of shims needed to do this job. Going up 1 more size on the mains made all the difference in the world on the top end. He has worked as a tractor-trailer driver and mechanic, a rigger at a fire engine factory and as a race-car driver and builder. Adjust the mixture and see if that takes care of the problem. Do it yourself Motorcycle repairs 14.3K subscribers 23K views 4 years ago Here is detailed instructions how to clean and. Others make there own. (or Why Do it). Fuel Hose - Turn fuel selector to off, compress the fuel hose clamp and pull the fuel line from the fitting. Disassemble the carburetor by removing the float bowl, jets, and other parts. LV-10 CARBON FIBER for APRILIA TUONO V4 1100/FACTORY 2021 - 2023. While many modern V-twin motorcycles have gone to fuel injection, Yamaha's V-Star 1100 is carbureted. If you've done the "POD" modifications or gone to aftermarket pipes, you know those solenoids in the float bowls aren't doing much of anything except hanging there with an ugly wire coming out. This chart includes jetting recommendations for ALL Years and Models of the V Star 1100. Repeat with all of the jet holes and spray plenty of carb cleaner. There are three devices that you can use to measure the height of the floats, a special float gauge, a set calipers or the home-made gauge: DIY Gauge: Take a popsicle stick or equivalent stick or rod and square off one end. Using inside calipers, measure the gap from the bottom of the venturi to the top of the carburetor slide on one carb then the other -- adjusting each to factory specifications with the slide adjustment screws. Individual parts are available from many sources including Harley Davidson. Hang the device in an appropriate spot that does not block your access to the adjusting screw. Some supplemental pictures - courtesy of drenfro22: 1. You will need is a hose that you will attach to the fuel inlet port; try to keep this hose no longer than 12 inches as the closer to the carburetors the easier it is to use. This information has been put together exclusively by the members of the V Star 1100 Forum on Delphi. "The Over Complicated Synch Method". below. 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