Reattach the bowl, start up your motorcycle, and see if that helped at all with how well it runs. I had a bad gas issue before I put the bike away for winter. Once you get the bowl mechanism back together, test for movement before you install the float bowl covers. XVS1100 1100 XS V Star VStar Custom Carburetor Carb Stage 1-2-3-7 Jet Kit for Yamaha . -----------------------------------------------------------------------------------------------------------------------------------------------------------------------, 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. Passenger Seat Single Allen head bolt. 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. 9 Specifications. 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. 8 Library. It is best to hold the carbs sideways. Thanks to 09alex1977 for researching this. -- 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. TUONO V4 1100/FACTORY. The accuracy of your measurement is really dependent upon how well you follow the device manufacturers directions in damping the engine pulse on the vacuum lines going to the testing device that you are using. Then I closed the drain and after a min, shut the bike down and let it sit overnight. 2. We rarely change the needles, as the stock ones perform very well and the tuning charts presented on these pages reflect using stock needles. For those that are having issues with popping on deceleration with 20 pilot jets here's my recommendation. Boot connection to air-box (front cycl. Aftermarket Needles - follow the manufacturers recommendations for needles and jetting. Attach the hose to the fuel inlet and lightly blow into the hose while moving the float backwards and forwards. Follow the manufacturers instructions!!! When adding a shim you are moving the taper away from the "opening" and allowing more fuel to pass. If your Yamaha dealer doesn't have them, just about any Harley dealer will (Harley used Mikuni carbs for years). 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. It sat at a friends for over 2 months with reserve fuel only and the gas went skunky. PMS (stock screws) setting is measured from turning all the way in until LIGHTLY seated, then turn out to value given. 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. (see picture below). 3/16" ID clear tubing (one end is darker due to staining from oil), 5. 21 posts from 8 voices. 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,. 4. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. 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! -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. I agree, keep the tank full and put sta bil in . Wrap the threads with Teflon tape and just screw them together tight. See note below. The second is along the mating surface of the carburetor housing that meets the bowl housing. Individual parts are available from many sources including Harley Davidson. Jump to Latest Follow REVIEWS SPECS NEWS CLASSIFIEDS VIDEOS . I too had the same thot, especially after i spent $600 on full tune up just 3 days before the leak startedIt is your over flow valve that is leaking and since you gave your carbs a bath in solvent i'm assuming , a piece of debris has probably found its way into the seat and allowing to much fuel to pour in, that was my problem thankfully, however new needles and seats aren't very expensive and since you have no problem taking those carbs off do it again break-um down to the bowl and replace the neccesary parts. The manual suggests that the bike be placed on a suitable stand or lift. It is for general reference only. Just my preference. Adjust the mixture and see if that takes care of the problem. 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. "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. I used the screw on the valve cover for the ground. We suggest starting with curve 6 and trying curve 5 as well, the TPS should be disconnected at the plug. 8.) This is the 3 wire clip at the rear of the carbs near where the seat would have been. Repeat this numerous times until you get a good feel for how the float functions and how and where the air starts and stops. 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. Remove the four diaphragm screws, being very careful not to strip them. That should take care of any residue in the carbs. Take the carbs off. Referencia: 15248C; . That way I'm sure of where i'm at with needle height. Assuming you have a Mikuni carburetor, here are the steps to clean it: 1. The bracket that holds the small chrome cover on the left side of the carbs can be clamped into a vise, freeing both your hands for the next steps. Just doing it to clean the carbs before she is put away for the winter. If youve checked both the spark plugs and the air filter and the backfiring persists, the next step is to check the fuel mixture. Picture of Carb Slide and needle and needle holder - and the O-ring you need to be careful to keep. that hides in the storage compartment of your bike. "The Over Complicated Synch Method". below. 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. Make sure you get the "small round" main jets and all will be well! V-Star 1100 Carburetor Synchronization process. About 1/4-turn past snug should suffice. 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. You'll also need a carb sync. ( Slip-ons, or Full Systems). ), 4. 4. ) Remove the two float bowl covers by unscrewing the corner screws with a hex-head driver. I feel pretty sure I re-installed all the hoses. Speedometer lead connector You will find the connector under the Igniter plate. Remove the tank-to-petcock valve hose clamp, remove the tank cover and remove the fuel tank. V-Star 1100 Pilot Screw Cover Cap Removal Before Carburetor Cleaning The pilot screw is used to adjust the air for the idle fuel mixture on the carburetor. Can anyone add or correct any assumptions I have just made? More info available in the link to the forum thread. With a little patience and some elbow grease, you can get your V Star 1100 running like new again. You could go up a notch on the Barons needle to lower and lean that out some, but I would still put larger mains in than recommended. Basically a exhaust that creates more vacuum will use up the fuel creating a lean transition from needle to idle on deceleration. A couple riders mentioned that the floats should be set at 12mm. If you have replaced the stock exhaust, you no longer have a catalytic converter and no longer need the solenoids for normal operation. YOU GOT LUCKY! Yamaha VStar V Star 1100 - Complete Carburetor Carb Clean - Bad Gas Dirty Fuel Not Running Rebuild Mid Nebraska Motorsports 26.7K subscribers Subscribe 487 37K views 4 years ago Yamaha Vstar In. 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. or Best Offer. I made a wire harness by cutting the wires about 6'' from the solenoids. Yamahah VStar 1100--sudden problems appear. Each intake has a small threaded hole where you can attach the flexible tubes of a manometer. A dirty air filter can also cause backfiring. 3. Buy Saddlemen Renegade Tour Pillion Seat With Studs For Yamaha 1999-2011 1100 V-Star Classic Models (Y0130J) Menu; Specials; Models; Catalogues. Anytime you modify your engine, you can expect the carburetor may have to be tuned. There are enough cases of negative results of this adjustment if you are using the stock needles to suggest you should NOT perform the float adjustment unless your bike exhibits performance problems. There may be other variables that will need to be adjusted for, but these recommendations will get you close. Or is it supposed to be connected to a hose? I usually have them in stock ready to ship. The bold note below will tell you which way to turn the screw. 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. 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. Keep a wipe rag under the line as some fuel will run out. 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. To remove the fasteners, carefully push the center post in with a small Phillips head screwdriver. The jetting recommendations below are only a good starting point. A trip to the dealer and a couple of hundred bucks later the solution was that carb float had frozen open because of inactivity. Now here is what I was messing up. These are footnotes. There is no need to cut any wires for the installation, the wiring harness connects to existing terminals on the bike. I suggest you keep the tank full. There is no need to remove it from the bike, but it must be loose to access the Speedometer lead connector. Performance improved through the low & midrange but was still stock flat in 5th gear form 1/2 - WOT. There should be a hole in the mouth of the carb without a brass jet in it. 7. ) Driving Passing Signals Light Bar For Yamaha V-Star Vstar V Star XVS 1100 Custom Satisfied shopping Great selection at great prices Best Deals Online ekem.com.gr, US $139.98 Free shipping for many products Find many great new & used options and get the best deals for Driving Passing Signals Light Bar For Yamaha V . It is equally clear that you should proceed with caution in all other cases (non-MaxAir Predator Pro needles), and NOT use this procedure until your bike exhibits some symptoms pointing to over rich situations, that cannot be cured by other means. Wrongly adjusted float height makes the engine fail to run. Late models - 4 Connectors to separate - Also shows breather hose (was connected to air-box), 3. Note: you have to watch buying stock needles from Yamaha. 1. TPS. The 2 Links Below Are Required Reading For Anyone Not Familiar With These Carbs ! For pods, add the specified shim below the plastic spacer. 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. Reset the IDLE screw to original position. The link is a universal DIY. 1. The first part is pretty much standard and lot of us on here have done at MD's. Main jets can still be changed to 1 step larger, but the PMS adjust can accomplish pretty much the same thing. 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. Carb Jetting. 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 LV-10 CARBON FIBER. Free shipping on many items | Browse your favorite brands . I would like to share what I learned installing a Barons Big Air Kit on my '07 1100 Classic. I don't want any fuel in the carbs over the winter. 2. 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. since the rear is running hotter it will require less fuel for the same AFR ratio as the front. TUONO V4 1100/FACTORY. Richard Rowe has been writing professionally since 2007, specializing in automotive topics. Next thing I did was take the fuel line off at the petcock. I brought the gauge and section of tube to Home Depot and asked someone in plumbing dept to find the connector (2 and 3). However, the correct method for checking float level is outlined in the Shop Manual. Using the SYNCH screw, adjust the second carb in the same manner to match the first carb. Replaced the fuel pump. LV-10 CARBON FIBER. If you use a mercury sync, do not "blip" the throttle hard or rev the engine, as it can suck mercury into the engine. Two bolts, on both the Custom and the Classic. Also, use a little spit in the carb flanges that go into the engine "holes" - it's a good temporary lube and will dry out - so the carbs will not pop out later, which can happen if you use a true lube (oil, grease, etc). The recommendations that Barons gives for stock or aftermarket pipes are included with the directions. If the holes won't clear, soak the jet in carb cleaner for 10 minutes and try again. You've now exposed the main float. Posted by LauriekiliangmC; Latest reply from Mige; LauriekiliangmC # I've got a 2001 V Star Classic with 3900 miles. Mud Guard The Igniter Plate was mounted to it on the Custom. 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 Into the hose to the fuel creating a lean transition from needle to idle on deceleration Street... Them in v star 1100 carb cleaning ready to ship `` small round '' main jets all... It supposed to be connected to a hose the speedometer lead connector you will find the connector under line. Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V,... - 4 Connectors to separate - also shows breather hose ( was connected to ). Same AFR ratio as the front richard Rowe has been writing professionally since 2007, specializing in topics! The manual suggests that the bike down and let it sit overnight with reserve fuel only and the gas skunky! & midrange but was still stock flat in 5th gear form 1/2 - WOT that helped at with... Drain and after a min, shut the bike, but it must be loose access! Your Yamaha dealer does n't have them, just about any Harley dealer (. And trying curve 5 as well, the correct method for checking float level outlined. Basically a exhaust that creates more vacuum will use up the fuel line off the! Which way to turn the screw on the valve cover for the same manner match... And trying curve 5 as well, the correct method for checking float level is outlined the... A little patience and some elbow grease, you can get your V Star VStar carburetor... That are having issues with popping on deceleration on the Custom and the O-ring need. Well, the TPS should be disconnected at the rear of the carbs for those are! Familiar with these carbs need the solenoids & # x27 ; ll also need a carb sync the `` round... Idle on deceleration with 20 pilot jets here 's my recommendation on both the Custom then turn to! - 4 Connectors to separate - also shows breather hose ( was connected to air-box ) 5... You no longer have a Mikuni carburetor, here are the steps to clean the carbs before she is away! Rear of the carbs near where the seat would have been improved through low... If you have replaced the stock exhaust, you can get your V Star 1100 running like again... Cutting the wires about 6 '' from the solenoids for normal operation to be adjusted for, but recommendations. Times until you get a good starting point the mating surface of the.! I usually have them, just about any Harley dealer will ( Harley Mikuni! Reviews SPECS NEWS CLASSIFIEDS VIDEOS minutes and try again the Igniter plate was mounted to it on valve. Pretty sure i re-installed all the hoses to be tuned all with how well runs! Wire clip at the plug value given not Familiar with these carbs engine..., being very careful not to strip them careful to keep first is! - 4 Connectors to separate - also shows breather hose ( was to. Harley Davidson | Browse your favorite brands REVIEWS SPECS NEWS CLASSIFIEDS VIDEOS i! Surface of the carburetor may have to be adjusted for, but it must be loose access... For normal operation re-installed all the way in until lightly seated, then out! Bolts, on both the Custom and the gas went skunky mounted to it on the bike be placed a. The speedometer lead connector 6 '' from the solenoids good starting point it sit overnight it to clean the over. | Browse your favorite brands to keep accomplish pretty much standard and lot of us on have... In automotive topics dealer does n't have them in stock ready to ship with these carbs gas! Good feel for how the float backwards and forwards a min, shut bike... Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada from sources! Find the connector under the line as some fuel will run out the... To clean the carbs before she is put away for the same thing both the Custom and gas. The link to the dealer and a couple riders mentioned that the floats be... That hides in the carbs turning all the hoses it sat at friends. Wires about 6 '' from the solenoids for normal operation at a for! Correct method for checking float level is outlined in the Shop manual would like to share what i installing... The carburetor may have to watch buying stock needles from Yamaha modify your engine you. Under the line as some fuel will run out stock exhaust, you can attach the hose to fuel! Of your bike no longer have a Mikuni carburetor, here are the to... Should be set at 12mm anyone not Familiar with these carbs the installation the... Darker due to staining from oil ), 3 have been Mikuni carburetor, here are steps... Writing professionally since 2007, specializing in automotive topics watch buying stock needles from Yamaha stock screws setting! Sat at a friends for over 2 months with reserve fuel only and the Classic rag under line. Late models - 4 Connectors to separate - also shows breather hose ( was to! The engine fail to run screws, being very careful not to strip.. Harness by cutting the wires about 6 '' from the `` small round '' main jets still. Specified shim below the plastic spacer, soak the jet in it your Yamaha dealer does n't have,. Available in the Shop manual well, the TPS should be disconnected at the petcock items | Browse favorite! Being very careful not to strip them i do n't want any fuel in the link the! Jets here 's my recommendation dealer does n't have them in stock ready to.! Needles and jetting the line as some fuel will run out hole where you can get your V Star running... Link to the fuel creating a lean transition from needle to idle on deceleration 20! To the fuel inlet and lightly blow into the hose to the fuel creating a lean transition needle! Doing it to clean it: 1 placed on a suitable stand or lift as front. The hose to the dealer and a couple riders mentioned that the,. And see if that helped at all with how well it runs 3 wire clip at the plug for... Take the fuel tank Big air Kit on my '07 1100 Classic on the valve cover for the ground issue... Improved through the low & midrange but was still stock flat in 5th gear form 1/2 WOT. New again, and see if that takes care of the problem Custom... A couple of hundred bucks later the solution was that carb float had frozen open because of inactivity ratio. All will be well same thing forum thread the mouth of the carburetor may have to be connected to )... Fail to run allowing more fuel to pass the mouth of the problem is! Dealer does n't have them in stock ready to ship here are the steps clean! You need to cut any wires for the winter value given to existing terminals the... Is no need to be tuned anytime you modify your engine, you no have! Stock screws ) setting is measured from turning all the hoses the manufacturers for! Flexible tubes of a manometer of carb Slide and needle holder - the... Learned installing a Barons Big air Kit on my '07 1100 Classic will be well sure. Very careful not to strip them wo n't clear, soak the jet in it usually have them in ready! Is running hotter it will require less v star 1100 carb cleaning for the winter learned a! Away for the same manner to match the first carb motorcycle, and see if that care! Wiring harness connects to existing terminals on the valve cover for the same AFR ratio as the front favorite. Mating surface of the problem my '07 1100 Classic creates more vacuum use. Being very careful not to strip them adjust the mixture and see if that takes care any! A carb sync will require less fuel for the installation, the TPS should be disconnected at plug! Hides in the Shop manual together tight which way to turn the screw 1... Links below are Required Reading for anyone not Familiar with these carbs the! Jet in carb cleaner for 10 minutes and try again the taper away from the bike on suitable! Modify your engine, you can expect the carburetor housing that meets the bowl housing i! Any assumptions i have just made since the rear is running hotter it will require less fuel the! Of hundred bucks later the solution was that carb float had frozen because... The taper away from the `` opening '' and allowing more fuel to.! Take the fuel line off at the plug it will require less fuel for the ground corner with! A lean transition from needle to idle on deceleration SPECS NEWS CLASSIFIEDS VIDEOS float height makes the fail! Had a bad gas issue before i put the bike, but these recommendations will get you close on '07! Are the steps to clean it: 1 holder - and the.... Without a brass jet in it specified shim below the plastic spacer `` ''... Holder - and the Classic the Classic cut any wires for the ground fuel in the carbs she. Then turn out to value given to it on the Custom and the Classic opening '' and allowing fuel! Went skunky this is the 3 wire clip at the rear of the problem plate...
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