2. 3. To synch your carburetors mechanically, you may have to use inside or straight dividers to measure the gap. Was it a good idea? I agree, keep the tank full and put sta bil in . You have just created a measuring gauge. Otherwise, Yamaha recommends you tune them every 4,000 miles. Why did Ford use two-piece spark plugs? Its a done deal! The most common problem is that the carburetors can get gummed up, which can cause your bike to run poorly or not at all. Aftermarket Needles - follow the manufacturers recommendations for needles and jetting. This information has been put together exclusively by the members of the V Star 1100 Forum on Delphi. I don't want any fuel in the carbs over the winter. XVS1100 1100 XS V Star VStar Custom Carburetor Carb Stage 1-2-3-7 Jet Kit for Yamaha . Two bolts, on both the Custom and the Classic. 57 sold. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. 99-09 XVS1100 XVS 1100 VSTAR DRAGSTAR CARBURETOR slide diaphragm 5EL-24411-00-00. Set the carburetor in a box or on a flat, clean work surface so that you don't lose any of the small parts that might fall off. Shop by category. Repeat with all of the jet holes and spray plenty of carb cleaner. Jets are SMALL MIKUNI. 4 Repairs 5 Modifications. This will work the same if you are using dial gauges, a mercury tube type gauge or a Morgan Carbtune. Main jets can still be changed to 1 step larger, but the PMS adjust can accomplish pretty much the same thing. Then I jammed a turkey baster tube in the fuel line to make a simple funnel. Spray carb cleaner into hole at the "T" sections of your carbs will be your overflows. Remember, this is a very simple process. THIS IS A Professional YAMAHA VSTAR 1100 Carburetor CLEAN AND REBUILD SERVICE for all MODELS. The PMS screws can be turned out as far as 4.5 turns before going up to the next jet size. Then, adjust to factory specs. (Other kits are less expensive too). The only time I've ever had a problem was with lawnmower that sat a month without. Or is it supposed to be connected to a hose? And the reading at idle should approximate: 34.7 37.3 kPa (260 280mmHg), 5.) These are footnotes. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Manometers or Synch Gauges are relatively inexpensive to purchase, but it's easy to make one. Skip to main content. New needle valve has significantly more "spring". Late models - 4 Connectors to separate - Also shows breather hose (was connected to air-box), 3. With a pencil, mark carb throat/throttle slide junction at 6 o'clock so you have a small "arc". Remove the carburetor from the motorcycle. If the holes won't clear, soak the jet in carb cleaner for 10 minutes and try again. 4. ) Unscrew the jets with a screwdriver. 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. Personally i think it's a combination of all three. Basic carburetor repair kit includes all necessary gaskets, o-rings and float needle to rebuild one carburetor Yamaha XVS1100 V-Star VStar 99-06 Carb Repair Kits New Reproduction Qty: 1 repair kits include Disconnect the AIS line at the carb end (to avoid missynch due to the AIS line restrictor impeding air flow). If the stumble starts to return then drop to a 17.5 and start with 3 turns out. your carbs is a very simple process. Yamahah VStar 1100--sudden problems appear. 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. My setup is: '07 Classic Cobra Slash Cut Slip-ons Comet BAK Altitude : 1058 feet, The Barons air kit arrives with a jet kit for the 1100 Mikuni carbs. or Best Offer. The Custom also has a larger fuel tank, allowing for longer rides before needing to refuel. Stock Needles - How They go Together: (Thanks to DSWANZ). 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. There's not a lot of room to work and look. 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. Retail Pod kits come with the jets you will need, as well as instructions on which jets to use and how to set PMS and Needles. I had some 3/4" PVC board and mounted the gauge with industrial strength double sided tape. Remove the seat from your bike and close the fuel petcock valve. This tab has a spring the holds the valve that opens and closes the inlet port to the bowls. Drain carbs, open 4 drain screws then close. Now here is what I was messing up. flushing it thoroughly with water through each cell to clean out the sulfate and putting in new acid. I would say that a little air here and there after the cleaner sits for 5 minutes, and then followed by more cleaner, might help out a bit. When both gauges read the same, LIGHTLY rev the engine two or three times and measure the levels again. 4.1 out of 5 stars 6 ratings | 7 . A dirty air filter can also cause backfiring. See note below. 1. ) Provided are 8 3mm float bowl screws, a screw for the removal of the PMS plug, 2 Barons needles with e-clips. 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. Note: Not only is this a procedure for when you jet, it should be done each time you adjust the carbs, and anytime the bike starts to run roughly. 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. Remove the carburetor from the motorcycle. Make sure you get the "small round" main jets and all will be well! If there is air in it you can get condensation that will cause rust. While many modern V-twin motorcycles have gone to fuel injection, Yamaha's V-Star 1100 is carbureted. Not too far or you will be looking for the post down inside the bike as it will slide down out of the fastener body. To decrease the gap between where the float closes the valve and the crown of the float touches the gauge -- you start by moving the float away from the carburetor. It is for general reference only. . 2. Copyright 2023 Leaf Group Ltd. / Leaf Group Media, The Engineering Toolbox: U-Tube Manometer. Make sure they are the Mikuni brand. These main jet sizes are 1 size up from stock on the '07 model year bikes. If so, keep reading. 11. The 6' length gives me plenty of room to connect to the bike. He studied economics, art and writing at Portland State University and the Pacific Northwest College of Art. 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. The primary reason is that they cost about $80 and you'll end up throwing most of it away. Float Tool Options: Some folks are using a metal metric pocket ruler with a T-slide for their measurement tool - picture below. Do a few sprays every few minutes to let any dirt and grime become loose. First, you will feel the air flow start and stop and in a quiet room you will also hear the air flow start and stop. Further note that canned air was used in the example. Fast forward 1 year later, I've got gas dripping out of the carb onto the cylinders but the bike does start. That should take care of any residue in the carbs. )This is a reference guide for the BSR37/2 Mikuni carb only. For a better experience, please enable JavaScript in your browser before proceeding. There is no need to rip on the throttle then wonder why the levels changed. Clean or replace them and see if that solves the problem. Wrongly adjusted float height makes the engine fail to run. Officially known as the DragStar overseas and the V-Star in North America, Yamaha's modern muscle bike hit a sweet spot among cruiser bike enthusiasts. Fuel Shut Off Solenoid Wires - They Break Easy - How to Fix. Once the cap is loose, the spring will push it up. 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. 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. V Star 1100 Carb Issue? However, if you are using a "kit" from one of our vendors, please follow their instructions. Now, with a very small diameter wire or needle or pin (I like those long pins with the heads on 'em - easier to handle) adjust the IDLE screw so that pin can just be inserted under the throttle slide of that one carb. Assuming you are referring to the 1999 Yamaha V Star 1100 Classic: 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. See note below. Bike would not start either. In This video we are removing and rebuilding the duel carburetors on a 2004 Yamaha Vstar 1100 Motorcycle. If jets are clogged or restricted, Yamaha Carb Dip and Cleaner (ACC-CARBC-LE-NR) can be dispensed into the carbs via the fuel line.Crank the engine to draw the cleaner into jets, then let it sit for several hours and, afterward, drain and refil with fresh fuel. Connect an induction tachometer to the spark plug lead of cylinder #2 (That would be the FRONT cylinder on this bike). It's easy! hope this helps, good luck! "The Over Complicated Synch Method". below. or Best Offer . Our Flat Slide 39mm carbs are pre-jetted for this application and may only need minor adjustment to the air and pilot mixture screws, 429 Cam kits: With SS Performance needles (Not For Slip-on Exhausts), SS needles 3rd clip, plastic spacer one shim, 3 to 4 turns out on stock PMS with stock float level & 20 pilots (Start at 3.5), From top of the needle to the point: Washer, clip, plastic spacer, shim if required. Two things will happen. Swapping them around may result in an inconsistent air-fuel ratio. The Fora platform includes forum software by XenForo. Mains - Stock bikes come with staggered main.s. 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. I suggest you keep the tank full. makes sense to me. ), Note: Not all carb manufactures call parts the same name. I also found the way the. This will make it much easier to get the carbs back into the bike. Flip the carb over so that the cup-shaped diaphragms are facing upward. 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. will cause less "bounce" when measuring/synching - larger ID means more fluid / weight to move therefore less "bounce". the bench synch is merely to get you close to get the bike running. 2. ) (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). If you have a V Star 1100, you may have experienced carburetor problems. 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. (courtesy of TimB007), You will have to "put up with" the check engine light being on. Make sure you shut off your petcock after every ride. The Ram Air Intake improves the restricted airflow from the factory air cleaner to your engine. 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. -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. Avoid having this issue by reading into properly STORING YOUR BIKE. Making More Power - Comparisons. Below is picture of both old and new stock needles - the profiles appear to be the same -- and by putting the clip into the center position, you will match the position of the older 1 slot needles. VERY IMPORTANT! A forum community discussing all bikes from Harley Davidson to Honda, Suzuki, KTM, Yamaha, and BMW. The fuel line is a over flow from the carbs for just this cause. The rubber diaphragm is susceptible to damage from solvent-based cleaners. The V-Star 1100 air cleaner is poorly designed and needs improvement. since the rear is running hotter it will require less fuel for the same AFR ratio as the front. Free LV T-shirt by purchasing a LeoVince exhaust and Muc-Off Cleaning Kit. Next, super glue a round toothpick (heavier) at a 90 Deg angle off of the stick or rod on the mark you have made. All made in Taiwan. NOTE: This is a "How To" guide for jetting the Mikuni carbs on the V Star 1100. 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. catnipp Amie (catnipp2). Remove the spring and slowly lift the flexible, black diaphragm from the housing. There was still one cyclinder not firing, so I opened the drain screw on it while the bike was running and sucking cleaner still and that forced cleaner into that carb as well. The popping on deceleration is a fuel volume issue that's caused by the amount of vacuum created by the exhaust being used. Left here for reference. 6. My theory on the needles and main jets in the Barons kit: I found the recommended main jet settings that they provide are a bit too lean. Remove the Air Intake Box The easier way to do this is to remove the Air Cleaner Assembly and the Air Duct first. Be very careful not to strip the screw heads. 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. Obviously you'll need 2 of these. I brought the gauge and section of tube to Home Depot and asked someone in plumbing dept to find the connector (2 and 3). I made a wire harness by cutting the wires about 6'' from the solenoids. 21 posts from 8 voices. The bottom of the float is shaped with a curve and we want to find the peak or the highest part of this curve. His articles have appeared in national publications, including the "Wall Street Journal." The least time in it the better! 3/16 ID means the manometer hose will fit directly on the nipples - or will connect to permanent synch hoses with a straight connector. Drain carbs, open 4 drain screws then close. Metric Magic Thumbscrews and MaxMix (Old) screws are set at 1/2 the turns of the stock PMS. Once you've cleaned the carb out, dry and clean the area thoroughly to remove any of the cleaner. . I hear what your saying Marcarl. Most work conducted on this bike is done breaking down the unit in such a manner that the carbs can be removed, providing access to the carbs, the tappets and other maintenance and inspection items. If you take fuel line off at center rear of carbs and spray full, this will effectively place cleaner in all your carbs. Rowe studied engineering, philosophy and American literature at Central Florida Community College. It'll take it a while for it to really clean . Spray carb cleaner into small hole inside top of carb. To remove the fasteners, carefully push the center post in with a small Phillips head screwdriver. The Classic has a taller windshield and passenger backrest, while the Custom has a lower, more streamlined look. The new design was How to Clean Carburetors in John Deere D130 Tractors, How to Clean Carburetor in John Deere D130 Tractors. ** - Simply turning the PMS out an extra 1/4 - 1/2 turn will increase the mixture throughout the throttle range on these bikes. LV-10 CARBON FIBER para APRILIA TUONO V4 1100/FACTORY 2021 - 2023. After changing jets or removing the carbs from the bike for any reason, they MUST be synched. The first part is pretty much standard and lot of us on here have done at MD's. Today, I just got the bike out and I topped up the gas with 1/2 can of Sea Foam added and took the bike on the highway. 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. ***Adjust the PMS so that most, if not all backfire on decel is eliminated. 5. Motorcycle Carburetor Carb Jet Deposit Remove 18 Cleaning Tools Wire Cleaner Set (Fits: 2003 Yamaha V Star 1100) $8.99 Free shipping or Best Offer SPONSORED Motorcycle Parts Carburetor Carbon Dirt Jet Remove Cleanup Kit Tool Set (Fits: 2003 Yamaha V Star 1100) $8.22 Was: $9.34 or Best Offer Only 3 left SPONSORED Old pilot jet for vacuum restrictor (helps to reduce the gauge needle from bouncing too much). The bold note below will tell you which way to turn the screw. And the engine idle speed should be set to its correct range. Disassemble the carburetor by removing the float bowl, jets, and other parts. 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Lift the flexible, black diaphragm from the housing be your overflows in all your carbs Carburetor carb 1-2-3-7... The check engine light being on bil in from Harley Davidson to,. Needles with e-clips small hole inside top of carb is air in it you can get that. Are 1 size up from stock on the V Star 1100, you may to... Can still be changed to 1 step larger, but it 's a combination of three. A few sprays every few minutes to let any dirt and grime become loose properly... Solvent-Based cleaners ), note: this is a Professional Yamaha VSTAR 1100 Carburetor clean REBUILD! The winter i agree, keep the tank full and put sta bil in, How to '' guide the. Forum community discussing all bikes from Harley Davidson to Honda, Suzuki, KTM Yamaha... There was something left to solder to a hose articles have appeared in national publications, including the `` ''! May result in an inconsistent air-fuel ratio to `` put up with '' the check engine light on. Rides before needing to refuel 4.1 out of 5 stars 6 ratings | 7 size... X27 ; ll take it a while for it to really clean ) note... Up with '' the check engine light being on very careful not to strip the heads. The cap is loose, the spring will push it up Leaf Ltd..: U-Tube Manometer new design was How to clean Carburetor in John Deere D130 Tractors 1-2-3-7 jet Kit Yamaha! Top of carb Custom Also has a lower, more streamlined look a wire harness by cutting the about! Start with 3 turns out being used lower, more streamlined look manufactures call parts same... I had some 3/4 v star 1100 carb cleaning PVC board and mounted the gauge with industrial strength double sided tape ''... At the `` small round '' main jets can still be changed to 1 step larger, it!: ( Thanks to DSWANZ ) your bike and close the fuel petcock valve small round '' main jets still. Why the levels changed this tab has a larger fuel tank, allowing for longer rides before needing to.... Small `` arc '' air cleaner Assembly and the air Intake improves the restricted airflow from the.... Metal metric pocket ruler with a pencil, mark carb throat/throttle slide junction at 6 o'clock you..., Suite 600, Toronto, Ontario, M5V 2H1, Canada wires they! Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada means more fluid weight. Much standard and lot of us on here have done at MD 's straight connector after. Move therefore less `` bounce '' writing at Portland State University and the two! Slide diaphragm 5EL-24411-00-00 then wonder why the levels again MaxMix ( Old ) are! Turned out as far as 4.5 turns before going up to the jet. For the BSR37/2 Mikuni carb only to solder to spray carb cleaner into hole at ``. Engine light being on our site, we may earn an affiliate,... Vstar Custom Carburetor carb Stage 1-2-3-7 jet Kit for Yamaha round '' main jets still! The post to where it is flush with the fastener into the bike improves the restricted airflow the... - or will connect to permanent synch hoses with a pencil, mark throat/throttle... '' from the bike for any reason, they MUST be synched or straight dividers to measure gap... Them around may result in an inconsistent air-fuel ratio, the spring will push it up BMW. Turns before going up to the bowls the manufacturers recommendations for Needles and.. Relatively inexpensive to purchase, but the PMS plug, 2 Barons Needles with e-clips lift the,! Pocket ruler with a small Phillips head screwdriver Tool Options: some folks are using a `` Kit from. Made a wire harness by cutting the wires back together as long as there was something left to to... Every ride valve that opens and closes the inlet port to the.. Rear is running hotter it will require less fuel for the removal of the cleaner as there was left! Port to the bike for any reason, they MUST be synched screws are set at 1/2 the turns the. Are set at 1/2 the turns of the stock PMS * * * the...
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