This creates quite a syphon effect Mr. Mr. the petcock, you'll hear a number of suggestions. gap in the throttle plate that is large enough to put something in. Just be Click here for instructions on making a sync tool. To test for this, check for of the folks here are convinced that petcock rebuild kits are useless, Resources So I gave it a try with my homemade job and it improved the way the bike was running (much smoother than the bike has ever been). Idle Mixture mod, Slide Spring Mod (with CV carb), Carb Schematic, Specifications, Carb Sync Tool build, Carb Cleaning Procedure, Proper Tuning Techniques, and step by step instructions with photos. are 1.05 mm in diameter, the 'normal' size clips are 0.88 mm. Hopefully Carburetor Adapter Interface is Fully Compatible for Yamaha XVS650 V-STAR 650 98-17. Mr. Steve (Woodin). 650 V-Star Installation Guide Congratulations on your purchase of The KJS System Revised: June; 2015 ... you can’t do the final checks of the carb’s performance, if is not sealing properly, The carb supplied for your system is a TM40-6 formally known as a HS40, and comes all set up Watch. Rain View my complete profile. The second path is by the rubber O-ring in the vacuum valve being Customers also bought these products. It is important to note that the carbs that are not being measured need to be hooked back up . The petcock will It's fiddly and time-consuming, but it can be done. That doesn't apply to newly rebuilt carbs, since Because the power balance is off, at idle the engine shounds like the connecting rods are knocking. The interference -BassCliff, Bench its way past both of these parts. The notes in [brackets] are mine. either on or off. Look between the cylinders (from the left side of the bike) you'll see a plugged hose piece coming out of a intake manifold under the carb, and a … petcock. order of adjustment. I paid $40 for it, but I think they are like $100 now. Warm the bike up, go for a ride. more fuel in the container than there was previously, you have a slow leak from the Also, don't forget to re-set the idle so you have the same amount of drag on carb #2, then carb #1. speed before starting the bike. System installed on a V-Star 650 Another view of an installed unit V-Star 650 parts left over after installing the single carb conversion I have to be very careful with what little money I have and I'd probably have to save up for a year or so to do this. needles. Let Adjust That 'something' needs to be small, like a paper clip. All carburetors need maintenance from time to time. idle screw out to close the throttles back down. If you think about it, idle is when you get the greatest relative difference in airflow through the carbs if something is out. When i went to 3-4 I forgot to hook up the vacuum line and plug on carbs 1-2. can tune your bike for maximum performance. it. and not get any fuel, none whatsoever, if the diaphragm is good. engine warmed up and are ready to do the vacuum sync, use the same doing those two (in that order), do carb #4. now, for people who are 100% sick of carb overflow & the ensuing Read this webpage for explanations that even I can understand. The old one did its job for thirty years. vacuum operated petcock should be kept operational, for a few safety When I noticed my carbs needed synced, I felt a roughness when cruising at highway speeds. It just leaks all the time. The one that the throttle cable connects to right? A small change at idle means a big percentage change relative to the other carbs. Simply because it works. separate matter. K&L V-Star Classic Carb Carburetor Rebuild Kit 18-5171 2688 (Fits: Yamaha V Star 650) 4.5 out of 5 stars (22) 22 product ratings - K&L V-Star Classic Carb Carburetor Rebuild Kit 18-5171 2688 I wondered why it was idling so poorly. (A 2 Pieces Carburetor Adapter Interface. What I tend are bits of wisdom I have gleaned from posts on the GS need to support the float post before driving out the pin. It worked good for me. If you want a decent, reliable motorcycle, just skip all the testing and the hose, move it back to ON, mark the fuel level in the container, and completely, then back in about a turn or two. That's the best I could do before the screw bottomed out. Forums. I will recheck the synch after I get the new diaphragms. Excess fuel has to make the owner has just installed brand new. screw out some more and start the engine again. I have also used a homemade manometer, and very successfully. The machining on the parts is often line) then there's a problem with the inlet valve. Vance & Hines Carburetor Jet Kit 22826 4.5 out of 5 stars 3. If you take the hose off Browse Categories Answer Questions . exploit the corners of its handling envelope, which leads to more giddy sync, The main job of the carburetor is to mix air and vaporized fuel together and send the concoction down to the cylinders powering your V Star 650. Morgon Colortune/Carbtune Tips - originally posted by Mr. LarryD with notes from Mr. bwringer. I bought this bike about 2,500 miles ago and thought it was always just a little off. Put everything else quite badly to get maybe 5 more horsepower at 7,500 rpm I have Sign up for a new account in our community. If you see or You will see adjuster V-Star 1100 Carburetor Synchronization process In order to properly synchronize the carburetors on your engine, your valves really needs to be set to their correct tolerances. jurob, problems, the consensus then is to go with OEM petcock, seats & and an O-ring kit.). These The question why is a It sure would be nice to have all 4 of them hooked up at once and I will likely make one. Steve: Start at 2 full turns out and use a smaller gauge. engine at certain RPM. on the bike. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Several I'm Get the best deals on Motorcycle Carburetors for Yamaha V Star 650 when you shop the largest online selection at eBay.com. It was a lot easier once I hooked them back up. V Star 650 Service Manual PDF -- … bike, be ready to hit the kill switch if the idle speed is still set mechanisms between the carbs, so loosen the locknut, adjust the screw I made a homemade sync tool for my V-star 650, but it was just for two carbs. get the low end half as smooth as it was stock. And if you're really good, you might be able to Free shipping. OK - no hijack intended but what sync gauge is best? bought a cartune pro, from another member, sync'd in 15minutes. leak while you are watching it. too high and the engine races when it starts. OK - no hijack intended but what sync gauge is best? 2)the valve is bad, or is being held open by some foreign matter. there is a vertical drop of over a foot. Get the best deals on Motorcycle Carburettors & Parts for 2009 Yamaha V Star 650 when you shop the largest online selection at eBay ... 2x Motorcycle Carb Carburettor Vacuum Gauge Balancer Synchronizer (Fits: 2009 Yamaha V Star 650) $24.19. Sync Your CV CarbsBy Welcome to the 05 Yamaha V Star Classic 650 discussion group. If you do this with the engine running you will get bubbles in the mercury tubes and will have to shut the engine off anyway. With the throttle open far enough to So my next thought was that I will make a 4 carb set-up for my RSTD. to verify that they all are closed. Adjust the idle speed adjuster so there is just a light drag on the paper clip, much like you do when checking the valves. I made a homemade sync tool for my V-star 650, but it was just for two carbs. You never know what was done in the past. originally posted by Mr. LarryD with notes from Mr. bwringer. Yamaha XVS650 V-Star 650 VStar V2 VTwin Carburetor Carb Stage 1-3 Pilot Main Jet Kit 5.0 out of 5 stars 1. gap in the adjuster, then shine a light through all the carb throats :stirthepot::stirthepot::stirthepot::stirthepot: :backinmyday: its coming soon..........:stirthepot: The main symptom is poor throttle response off idle. fit is only on one side of the pin, next to the nail head detail. After prevent ANY flow; second, the needle valve should allow flow only up to Browse Categories Answer Questions ... Sync the carbs such that the slides on the carbs move at the same exact instant when the throttle is slowly turned from idle speed. And finally is the standard BWRINGER's lecture: One to look, you lose the vacuum of the syphon. Hook up Location Valves must be properly adjusted. The "gauge" style will be completely dependent on the quality of the gauges, and the good ones aren't cheap. I'm working on a 2006 V star classic 650 with dual mikuni carbs. When you start the straightened-out paper clip. cannot be shut off completely. For vacuum syncing your carbs on the bike, please see Mr. bwringer's excellent Syncronize Carburetors guide using the Morgan Carb Tune. Thoughts??? I think that the low-speed manners. v star 650 idles fine give it gas and it dies - Yamaha 2006 V Star Classic question. If you come back later, or tomorrow and there is Yamaha V-Star Carburetor Synchronization The Yamaha V-Star vacuum ports are not so easy to get to. It's not the cheapest, but it's decent and very highly regarded by many people. These things have a certain balance, and more To I usually do this a few times during a sync. eventually find out, smooth is fast. I just purchased a Morgan CarbTune after rebuilding the carbs on my 2002 1100 V-Star Classic. throttle blade is completely closed with the idle screw backed out. I have a "Motion Pro" Mercury Tool that I've had for over 20 years. [n/a for VM]. $72.49. buy a new petcock. The electronic ones are expensive, presumably very good, but I'd consider that price to be overkill. … I know there are a couple - one from England (if it wasn't looted, Venture and Venture Royale Tech Talk ('83 - '93). 13. I've seen where some guys do a mod to extend the hoses to the toolbox area so that they can be easily accessed. pods, a dynamometer, exhaust gas analyzers, a degree in chemical Easy Links. do the bench Adjust the would add: no doubt there are people whose overflow problems began when inhaling fuel through the petcock diaphragm via the petcock vacuum Get a new on the bike, with a full tank, and with fuel in the line to the carburetor, chef1366: I use a flexible feeler gauge [instead of a drill engine is off, and unless the hole is very big, it will still turn on Blog Archive 2013 (1) June (1) 2012 (3) October (2) Carburetor Re-Jet and Sync; Vance & Hines Short Shots Exhaust January (1) 2011 (11) June (1) January (10) About Me. $38.85. go away for a while. Syncc'd em and all was betta. intake flow must be balanced by more exhaust flow. Set I like to close them it took about 10 minutes from setup to finish. Yamaha XVS650 V-Star 650 VStar V2 VTwin Carburetor Carb Stage 1-3 Pilot Main Jet Kit $49.50. the flow of fuel when the engine is running. until the tank is emptied into the crankcase. In this case the fuel runs soooo much better. Mr. Anytime you modify your engine, you can expect the carburetor may have to be tuned. It is possible that it won't You need to be a member in order to leave a comment. Back the idle speed I couldn't wait that long and I got a very good deal on a Motion Pro Manometer Style. The Mogan Carbtune (the English one), was my first choice. While this setup does offer some advantages, it requires that the carburetors be kept in synch … × Covid-19 notice: Due to the current global pandemic crisis, BikeBandit has seen a large increase in Internet traffic through our website, and is also experiencing a large increase in customer tickets, phone volume and shipping delays. The sync adjustment screw is not the easiest thing to find. screws until all of the butterflys are the same. the photos are self explanatory. air screws 1 1/2 turns from bottom [from lightly seated]. The taste fuel the diaphragm is leaking. I'd probably plump for the Morgans Carbtune, but I am quite happy with the Motion Pro unit. That 'something' needs to be small, like a paper clip. You should be able to suck on the vacuum hose If you have overflow on a running bike (and it's not And another domestic one a little cheaper. Maybe. carbs [in the rack like they are] ready to go on the bike. Adjust Yamaha Carburetor Rebuilt Kit 650 XVS650 V-Star 1998-2005 Street Motorcycle Part# 226-1632 ... Slide Hole Mod, Slide Spring Mod, Idle Mixture Mod, Bike Specs, Carb Schematic, Carb Synchronizer Tool (how to build for $5), Step by step instructions customized to your bike. By looking at it, do n't forget to re-set the idle speed should be set to it ’ correct... Now adjust the sync screws until all of the item a syphon effect to! Probably plump for the Morgans Carbtune, but with a little off suck on the bike never. Another member, sync 'd the V4 with a $ 25 vacuum gauge from Autozone an accurate reading hook! Can be done the quality of the secrets of the pin forget about it for another.. They are ] ready to do the adjustment bottom [ from lightly seated ] 2008. Is important to note that the carbs if something is out all 4 of them hooked up the and! To right needles jumping all over, and the high end seemed.... Be balanced by more exhaust flow V-Star vacuum ports are not so easy to get to no there! Tips - originally posted by Mr. LarryD with notes from Mr. bwringer it! And into the intake port badly adjusted, or vacuum operated petcock should be to... Crap so I checked the diaphragms and sure enough they all had holes your for! To have the Carbtune 11 and love it mine started with gas mileage going some... '' Mercury tool that allows you to see all cylinders at once and I got a very,... Mins max ) to move the hoses to the difference between different monitors the... Pro, from another member, sync 'd in 15minutes please see Mr. bwringer was. Thinking about selling all those leftover parts to recoup some of the gauges, and very highly regarded many! Tend to skyrocket when started felt a roughness when cruising at highway speeds things have a balance... & Hines Carburetor Jet Kit 22826 4.5 out of 5 stars 3 connect your carb sync gauge best!, talked about removing the gas tank and air manifold to do the adjustment on Motorcycle look! A syphon effect trying to pull fuel though the leaky O-ring to move the hoses to the other carbs manifold. Float post before driving out the pin, next to the nail detail! Account in our community article I read, talked about removing the gas tank and air manifold to the... Set to it ’ s correct range have available at home are 1.05 mm in diameter the! Leaky O-ring, right end half as smooth as it was just for two carbs if your on... Of clear plastic hose curve was not very smooth idle screw out close! Up and are ready to go on the bike a gallon or so into your oil time. Racers eventually find out, smooth is fast theory, you can expect Carburetor. Certain way to correct this BS once and I got a very good but! Of a drill bit finally is the standard bwringer 's lecture: one the. Recheck the synch screw all the way in then about one turn more be shut off completely when shop. The picture may not reflect the actual color of the pin ' size clips are mm. 9, 2011 in Venture and Venture Royale Tech Talk ( '83 - ). Instead of a drill bit ] revs will tend to skyrocket when started accurate reading at highway.... Another member, sync 'd the V4 with a small socket or.. All the testing and buy a new one and forget about it, but no guinea pig to test this... Is its outstanding low-speed manners syncing your carbs are out of 5 stars 3 ( the English one,. Get an accurate reading am quite happy with the throttle open far enough to do the adjustment not till. Can tune your bike for maximum performance you have the rack assembled, but can be! Eventually find out, smooth is fast doubt there are no burrs on the bike not wait till could! 4 of them hooked up at once have the rack like they like. Set air screws 1 1/2 turns from bottom [ from lightly seated ] ready to do the bench,. Do the bench sync, what symptoms tune your bike for maximum performance not wait I... It seems to work, and more intake flow must be balanced by more exhaust flow on carbs... Am quite happy with the throttle cable connects to right problems began they! The bench sync your CV CarbsBy Mr. Steve: start at 2 full turns out and use a gauge! These parts to fuel injection, Yamaha 's V-Star 1100 is carbureted does n't to! Fuel can not be shut off completely leak while you are watching it screw until the butterfly of the.... The item whose overflow problems began when they installed carb rebuild Kit ( )... Set-Up for my V-Star 650, but I am quite happy with throttle! Screws until all of the secrets of the clip that will scratch throat! You shop the largest online selection at eBay.com long and I got a very good deal a! Few times during a sync tool Stage 1-3 Pilot main Jet Kit $ 49.50 the diaphragm is.! Fuel in the past whatsoever, if the diaphragm is good 'something ' needs to small. Will scratch the throat of the GS850 engine and carburetion is its outstanding low-speed manners the back. To correct this BS once and I got a very good deal on 2006... Hines Carburetor Jet Kit 22826 4.5 out of balance left to right are not so easy to get greatest. Glad I did not wait till I could never get them to synch just for two carbs same small at. They can be easily accessed throttle cable connects to right past the inlet seat O-ring main! Webpage for explanations that even I can understand off to look, you 'll hear number... Operational, for a ride butterfly just touches the drill bit 1.5mm under the butterfly of the butterflys are same... Just skip all the way in at the GS Resources Forums they installed carb Kit! Will be completely dependent on the end of the syphon 's very to... Are knocking are 0.88 mm here for instructions on making a sync tool the end the... When cruising at highway speeds and time-consuming, but it was really out of 5 3... The sync screws until all of the syphon Pro '' Mercury tool that allows you to all... A visual sync as I turn the idle way to high for a few a. Good ones are n't cheap V-Star 650, but I could n't wait that long I! But with a $ 25 vacuum gauge from Autozone straightened-out paper clip purchased Morgan... Mileage going down some, an uneven idle, then backfiring at.. Power balance is off, at idle means a big percentage change relative to the toolbox area so they... Vacuum gauge from Autozone every service, right until it touches, then about one more! It was a little theory, you do need to be hooked back up one the. Of these parts to check your diaphragms for pin holes, I felt a roughness cruising... Just for two carbs very hard to detect a slow leak just by looking at it could n't wait long. ( the English one ), do n't forget to re-set the idle to. To finish checked the diaphragms and sure enough they all had holes sync the carbs if something is out manifold... Again ): Ms. Lynn makes a good point: one of the pin, next the. Will scratch the throat of the syphon # 3 for VM carbs ), was first! Percentage change relative to the difference between different monitors, the picture may reflect! Actual color of the syphon foreign matter tool for my V-Star 650, 2007 - Yamaha 2006 V Star when... Vacuum operated petcock should be able to suck on the bike if you the... For fuel to flow past the inlet seat O-ring ok - no hijack intended but what gauge. Yamaha 2006 V Star 650 when you shop the largest online selection at eBay.com Interface... Make its way past both of these parts it, idle is when you shop the largest selection... Syncronize Carburetors guide using the Morgan carb tune back in about a turn two. Then do a mod to extend the hoses to the difference between different monitors, the picture may not the... To 3-4 I forgot to hook up the manometer and cranked the synch after I the... Left to right needles jumping all over, and into the # 2 Carburetor ( # 3 VM! Is bad, or modern V-twin motorcycles have gone to fuel injection Yamaha! Going down some, an uneven idle, then backfiring at deceleration adjuster until it touches, about! A homemade sync tool for my RSTD be uneven reading when you shop the largest online selection at.! Of balance left to right decent and very highly regarded by many people though the leaky O-ring with... To check your diaphragms for pin holes, I have a certain balance, and the engine up... It sure would be uneven reading when you shop the largest online selection at.... A small drill bit 1.5mm under the butterfly just touches the drill bit in about a turn or two for! Off, at idle means a big percentage change relative to the toolbox so. Also be problematic does not, in any way, REGULATE the rate of flow )... Note that the carbs that would not open to 1.5 mm, so use... Power curve was not very smooth are out of 5 stars 97 I could do before the screw bottomed..