Xs850 mikuni carbs upgrade. Sep 16, 2016 · Carbs Mikuni BS38 jets.

Xs850 mikuni carbs upgrade Well - pick up our Mikuni VM34 Carburetor Assembly Kit that replaces both types of stock carbs found on all Yamaha XS650 models! Ready to bolt on and go! An assortment of jets is provided for different performance setups and/or elevations. While the later, more common models have angled inlet flanges, and need carb boots with the corresponding angle to work with linked carbs. The kit comes with, 2 - Genuine Sudco Mikuni Pre-jetted VM34 carburetors 2 - Rubber carburetor manifold flanges 2 - K Mikuni RS 38mm Carb Kit- Yamaha XS750 & XS850 Triple Models $ 1,620. I would recommend you try both. have 36 mikuni carbs from P Bertaut supposedly set up to use . Dec 5, 2024 · VM28 Mikuni Carb kit replacement. 76-84 used a single throttle cablecarbs are joined by a plate attached to the tops and an angle iron across the bottom Any year Carb can be bolted to any year engine. Since my bike doesn't have a centre stand I "had to" buy a wheel chock. Messages 3,036 Jun 4, 2021 · BTW although bore size may be 34 mm. I am using a Mikuni 38mm round slide jetted as XS650 Mikuni High Performance Carb Kit tuned by TC Bros. Mikuni Carbs (not Hitachis). You can see in the one pic there are 3 setting notches. Filters sold separately. Single carb fitments are usually 34 or 36 and single carb manifolds are available. Dec 17, 2024 · These carbs are specifically designed and tuned for Yamaha XS650 motorcycles. If you wish to retain your stock airbox, we can provide 16mm extenders for your new carburetor set. Dec 18, 2015 · I've been offered a pair of brand new Mikuni VM34 carbs that seem to be well jetted for an XS650 in standard trim. • Replaced the outer seals and inner seals on throttle shaft. com. Stock exhaust. 1 of 2 Go to page. I was very close to just ordering up a kit with the VM34s several times as its frustrating with old parts not knowing what may be wore out. I’m genuinely delighted with the results, its like a different bike! This Mikuni kit comes with the following carb throat centre to centre spacing’s for direct fitment to Yamaha XS750 and XS850 triple models and others with simular carb spacing measurements. A= 90mm (spacing centre to centre between carb 1 & 2) B= 90mm (spacing centre to centre between carb 2 & 3) Jan 29, 2014 · Got the motor tore down getting ready for reassembly. 5 I have some other bs34 doner carbs that I took the jets from and there 42. New Yamaha KZ750 twin Mikuni kit. 0 air jets(its kind of hard to read the number). The Dual Mikuni TM34 Flatslide (non-pump type) carburetor kit is easily fitted to your Yamaha XS650 and the improvement is instant and a step up over the VMs. ro 2. May 2, 2015 · Hey guys. Sep 30, 2020 · Need some help. Intake manifolds to match the Carb used Dec 2, 2014 · If you ask 10 different people what the best carbs are you will most likely get 10 different answers. You will Mikuni carbs have a groove cut in the spigot that fits into a raised rubber channel in the Mikuni flange and straight adapters. Jan 27, 2022 · Hi All. The differences are not large, noticeable but not large. This is what the instructions said to do. Finally put in the 44 sbn that had been sitting in a box for 10 year, and got a big suprise when I pinned the throttle. Or did mikuni I didn't know if maybe mikuni made a series that ran the older pj's. Is this correct for VM 34 carbs? I could only find cross section without measurmen Jun 29, 2023 · Maybe something around the $$ to $$$ range. Sep 16, 2016 #1 Jul 28, 2017 · 1978 XS650 with pod filters, straight pipes and bs38 Mikuni's. Pre-jetted carbs for stock to mildly modified engines. In the OE carbs the venturi is obstructed by the throttle plate and shaft. I have custom scrambler exhaust with 4" baffels, I am running Main Jet 180 Pilot Jet 25 Needle Jet P6 Jet Needle 6F9 2. I want to scrap the hitachi carbs since I am getting away from using the air box. XS650 Mikuni BS38 on 1980 xs650 Thread starter Milk_Jesus; Start date Feb 16, 2012; Sep 2, 2024 · • Synced the carbs. Made in Japan - 1 kit required per carb. Fits: 1970-79 Stock XS650 Mikuni BS38 CV Carbs, Also used as the Air Jet on 1980-84 XS650 Mikuni BS34 CV Carbs. We offer all the parts for this conversion in one nice kit. if you leave the black plug off the main jet now becomes the side feet hole under the rubber plug and above the main jet. 0 I can Sep 15, 2023 · I have done some research into acquiring a very specific part, the #135 throttle plate, on the BS series Mikuni carbs and have come up short. The kit was custom for my specs (sea level, stock exhaust, pod filters, more ccs). Sep 5, 2015 · Hello everyone, i recently purchased some brand new mikuni vm34 carbs from TC Bros for my 78' XS650. It also said to adjust the needle to make it one "setting" richer. Next Last. 30mm OD 0125A2M2. • Spraying carb cleaner on the throttle shaft for 5 seconds causes the bike to quit. (of course I will have to use 3 intstead of 4 and make new carb mount) Are the intake sizes the XS650 Mikuni High Performance Carb Kit tuned by TC Bros. Mikuni VM36 XS650 Yamaha Twin Carburetor Kit w/Cable includes two genuine Mikuni 36mm carburetors, an assembled 2-1 cable for stock throttle housing, intake manifolds, and lifetime tech support. mikethedruid Jan 10, 2012 · Both the Bs34 and 38 carbs are good carbs. 00 AUD – $ 1,720. The problem with refitted 2-stroke carbs on a 4-stroke engine has to do with leaning out in hard midrange throttle transitions once the main circuit is dialed in right. Dec 5, 2024 · MotoGuzzi VM32 mikuni 1000cc Mikuni Carburetor Kit | Carburetor Upgrade Performance Kit Moto Guzzi V700 V7 Special Ambassador 850 GT 850 GT California Eldorado 850 California Police Model Toggle menu Recently Viewed Dec 5, 2024 · Kawasaki EN450 454 LTD Kawasaki Carburetor Kit | Mikuni VM34 | Replacement Carburetor VM34 Mikuni Swap Complete carburetor kit for your 450 Kawasaki twin. Either off a triumph sprint, being 36mm flat slide mikunis, or, off an xs750, being 34mm MKII's (which is what I used on my 850) The stock hitachi carbs are hard to tune and hard to get parts for. This is a complete replacement kit with throttle cable, and new intakes manifolds. Intake manifolds to mate the vm30's to your motorcycle. Nov 16, 2010 · Moreover, that assembly, if you could find it, was rather expensive ($150 per carb or so). But seems a lot of genuine Mikuni parts are hard to come by for these carbs. This kit is made for 1970-1979 Yamaha XS650 motorcycles. If you like, send me a PM with your email address, and I will try and help. My question simply put is can I just change the internals with a carb repair kit. Replaced the Hitachi CV carbs with Mikuni bs34 slide carbs from a 1979 Yamaha xs750. Fuel tank had the normal issues along with the petcocks and stock carbs. This is a complete replacement kit with throttle cable, and new intakes Does anyone here ride a Yamaha XS850 at around 5,000 ft elevation and know what jets are in their carbs to make my life easier? lol Im in the U. Acquisition of new parts may prove challenging. My spark is Mikuni RS 38mm Carb Kit- Yamaha XS750 & XS850 Triple Models $ 1,620. Jan 31, 2016 · A word to the wise: the difference between 34 and 36 mm. Fairly new battery. . One Set of Intakes: Designed to mate the VM30 carburetors to your Yamaha XS400 SOHC motorcycle. Ran them for about 500 miles, still in amazing shape, barely used! Im including a Pingel dual output petcock and mounting plate that I used to mount to my 1980 XS650 Special II. I’ve spent quite a bit of money and time trying to get them to operate correctly, with limited success. The ski pulled so hard it ripped me off and face planted me at about 50 mph. Pod filters. By default from Mikuni its set to the stiffest notch, but the softest notch felt like the oem XR carb which I liked better. Jul 17, 2020 · Never saw a sticking slide in a new Mikuni carburetor; I'd guess the problem is either a sticking junction tube in the throttle assembly, lean pilot mixture, or, if your ignition uses a mechanical advance governor, a sticking ignition rod. I completely rebuilt the carbs and Carb Rebuild Kit Kit Contains : Push-in Float Valve assembly with O-Ring, Carb rubber passage Plug & Float bowl Gasket 3F7. May 4, 2011 · i have bs34 carbs off a 81 special, the numbers on these two following kits dont really match either the 34s or the 38s comapred to this spec sheet Breathing life back into this XS650 with a carb swap! Mar 23, 2011 · Mikuni VM 34mm carbs. 0 and a 2. 5. i got a set of new gaskets and jet's online, claimed to fit '75 XSB, however looking at the jet size I received they match XS2, TX and TXA main #130 and pilot jet # 42. 5 Slide and I can not even get the joker to crank up at all. i worried more Dec 5, 2024 · We made it easy! Can also be used with aftermarket filters designed for the stock CV carb by using our simple adaptor. Dramatic increase in throttle response and acceleration. Kawasaki 650 Jet-Ski Mikuni 44 sbn Carb-Intake-Manifold upgrade 650-sx-x2-ts New | eBay Fits all of the Kawasaki 650 Jetski models from 1986-1995 including the sx-x2-sc-ts etc. $ 885. XS500 vm34 Mikuni kit - All years Complete carburetor kit for your XS500 twin. 00 AUD – $ 1,070. These carbs have the proper slide, needle, needle jet required for your XS650 application. This simple carb swap is the easiest and best way to improve performance on your Big twin. These carbs are designed to work on both 2-stroke and 4-stroke engines. 79 Part # 200-1114 Dec 5, 2024 · Swapping a set of VM32 Mikunis onto your MotoGuzzi is pretty straight forward. They are stamped 42. , Colorado. Messages 47 Sep 29, 2015 · First 2 years there were some changes then from 72-84 the carbs changed every 2 years/ 70-75 used twin throttles cables, one for each carb. I used a Sigma jet kit and went from 135 main jet to 142. New posts Search forums. iam looking for carburetor choices and opinions. 00 AUD; MuZ MZ Skorpion 660 Mikuni TM40 Pumper Single Carb Conversion Kit. Fits: XS650SG-SL (1980-84) stock Mikuni 34mm CV carbs. Oct 21, 2017 · It's taken me a while to take fuel height measurements. Instant throttle response is provided by the fully adjustable accelerator pump; the smoothbore flatslide design offer more power over the entire rpm range Aug 9, 2011 · One other thing, if you have the budget for it, is to look for some Mikuni carbs. The ones I have my eye on are from a 1987 GSXR 750 BST34SS carbs. The genuine Mikuni carbs are jetted and inspected before we ship. Owner and son apparently installed carb overhaul kit of some type. Pictures attached. (of course I will have to use 3 intstead of 4 and make new carb mount) Are the intake sizes the Mikuni RS34 smoothbore flatslide carburetors for the Yamaha XS850. I know there’s a lot of aftermarket stuff available. tcbroschoppers. Apr 28, 2015 · 91 octane or 87 octane for 1972 XS2 with Mikuni carb conversion?? Hanniusms; Mar 3, 2024; The Garage; Replies 5 Views 761. 5 and pilot jet #45. Dec 5, 2024 · MotoGuzzi VM32 mikuni 850cc kit Mikuni Carburetor Kit | Carburetor Upgrade Performance Kit Moto Guzzi V700 V7 Special Ambassador 850 GT 850 GT California Eldorado 850 California Police Model Toggle menu MuZ MZ Skorpion 660 Mikuni TM38 Flatslide Single Carb Conversion Kit $ 550. Thread starter mike-dubai; Start date Sep 16, 2016; mike-dubai XS650 Member. 25-2. I can tell you according to the numbering convention Mikuni uses it would be 3 steps leaner @ . I dont want to ramble on to much here. Thanks for any help. 80 and up require a KZ1000 Throttle assembly or one our Billet Housings. Hey guys and gals, I am looking to buy a pair of 34mm mikuni roundslides for my project, where are you guys buying them from? I know 650central is $396 with Jan 10, 2012 · The K&N filters are a good filter on a butterfly or slide type carbs. Carburetor Slide - LH - Mikuni - 3. More ccs). Oct 16, 2013 · hey guys I recently got my first carb bike and has a pair of mikuni vm34 carbs with the left carb choke has a lever that goes up and down and the right carb has a plunger that goes up and down as well. $ 920. i can either get it to idle right but have no top end, or i can the topend right but then Oct 15, 2024 · MRC INVENTORY NUMBER: Y788. Mar 3, 2024 · The carburetors are completely clean. Apr 22, 2015 · I purchased these from 650Central last summer. Includes pre-jetted 28mm carbs, 2-1 throttle cable, and intake manifolds. Oct 21, 2017 · I purchased the 34102 VM34 mm Carb Kit #1 from Hoos Racing, installed them and fired them up the other day. YAMAHA XS650 carburetor jet kits and jets, main, pilot, slow and air jets . Mar 4, 2024. I’ve read around, used the search function and I’m not seeing the answer I’m looking for other than people got them with their kit or the bike they purchased. just like the Title says, I am interested in seeing what the opinions and experiences of people are with the stock mikuni diaphragm carb vs the mikuni VM slide carbs. 00 AUD; RS38 Mikuni Carb Kit for Suzuki Kawasaki Yamaha, selected models Jan 24, 2024 · BMW Mikuni Carburetor Kits Available For R50/60/75/90/90/100 We have Mikuni carb kits available for just about every BMW under the sun. It is not listed in the Sudco catalog. Basically you don’t need a choke with this carb. Sep 29, 2015 · Does anyone know a good supply for Mikuni parts for the BS-38 carbs? I’m aware of NicheCycle. 5 turns and had the entire carb sonic bath cleaned. I bought VM34's with stock jetting from a mikuni supplier, so I feel your pain as far as getting them set up properly. with straight pipes and the 34mm mikuni round slide carbs with pod filters. Even bigger performance improvements can be gained using our TM40 or TM42 Pumper kits. I’m gonna put some pictures up and see if any of you guys can help me identify what carbs they are, and what’s specs those carbs would have. com/chopperfisherin this episode i rebuild my original XS650 constant velocity bs34 carburetors. ORIGIN: 1973 Yamaha XS650 OHC with 18,965 miles. One 2-1 Assembled Throttle Cable: Fits stock throttle housing, no assembly required. Thanks -Luugo Well - pick up our XS Performance 32mm Carburetor Assembly Kit that replaces both types of stock carbs found on all Yamaha XS650 models! Ready to bolt on and go! An assortment of jets is provided for different performance setups and/or elevations. These are new Mikuni Carburetors jetted to your bike and come with all you need to replace your existing carbs. Mikuni TM34-B120 carburator kit for Yamaha XS650 ( 3L1 & 447 ) TM34-B120 CARBURETOR KIT – CONTENTS & COMPONENTS: – MIKUNI Flatslide TM34 Carburetor ( pre-jetted for velocity stacks or K&N filters ) – Choke operation on carb body – Fits our special XStm34 intake rubber kit diameter front side ( intake rubber ) 40 mm Dec 5, 2024 · Finally a vm34 Mikuni carburetor kit for your xs500 Yamaha. May 11, 2020 · The carbs come from the factory with "generic" jetting, and to tune a VM carburetor for the XS650 you'll need to change every bit of brass in it except the slide, and some tuners change that as well. How to Videos; MIKUNI MOTORCYCLE KITS. Apr 24, 2024 · Parts outlets sell kits consisting of 34mm carbs, either flat or round slides, manifolds, boots and so on. Ideal for modified or aggressively ridden bikes, this easy-to-install kit comes with custom jetting based on your bike’s specifications, ensuring best performance TM34-B120 CARBURETOR KIT - MIKUNI TM34/RS34 Carburettor rack, jetted for velocity stacks or pod filters - Knob choke - Fits engine using original Yamaha ( 3L1 ) intake rubbers Jan 28, 2016 · See more details on our website: http://www. I am using a Mikuni 38mm round slide jetted as Jan 29, 2014 · Got the motor tore down getting ready for reassembly. Carburetor Kit - XS1 - XS1B - 1970-1971 - Left Carb - Repair and Tuning $40. Fits Carb Holders for Stock Mikuni BS 38 CV Carbs as Used on North American 1970-79 XS/TX650's Please Note: Other than exact replacement OEM carburetors, all Mikuni Aftermarket Carburetors and Tuning Components are sold “As Is” for Off Road / Racing Use Only and are not intended or approved for use on vehicles operated on Public Roads or in locations where applicable engine tampering and anti-pollution laws apply. 00 AUD – $ 1,795. Lifetime Tech Dec 5, 2024 · This TM38 Mikuni rFlatslide carb, will fix all your old stock carb issues and look great. A few Mikuni carbs, like the VM32, VM34 and VM36 offer models with idle screws on both sides, but the mixture XS650 2 into 1 Throttle Cable for Mikuni VM Carbs Custom 2 into 1 throttle cable for use when installing Mikuni VM round slide carburetors on Yamaha XS650 motorcycles. yes there is lots on Ebay for cheap but ther are some that are not genuine Mikuni carbs and are very h Apr 12, 2020 · 10% OFF TCbros use code: CHOPPERFISHERtcbros. This kit offers a straightforward installation with pre-jetted carbs tailored i have a 82. 7 JRU-8027A 10 pieces Dec 2, 2022 · I moved the throttle return spring to the softest setting. What's new. The CV carbs don't like them as well. not so . Any input is greatly appreciated. Easy to install and will really wake up that 500 twin yamaha. Nov 20, 2012 · A mystery for sure. Nickbenedict XS650 Enthusiast. If the carbs are decently tuned, you'll never know the difference on the street. So I had a shit load of issues with my factory carbs on my 81 xs650 build and sprung to buy the VM 34mm Mikuni set. Jan 25, 2020 · Disassembly, cleaning and reassembly of Mikuni BS38 Constant Velocity Carburetors BS38 Carb Holder Clamp BS38 Carb Holder Band Clamp - 56-61 mm. htmlTyler describes why the Mikuni VM Rou Brand new carburetor kit consisting of genuine left and right Mikuni 34mm carburetors, pre-jetted with proven specs utilizing genuine Mikuni components. They install and work Grrrreat! Apr 9, 2021 · Rebuilding a pair of BS38mm Carb for a '75 XS650B. Custom SpeedMotoCo jetting that has been tested and ran in the field. Edit: The carbs are the Mikuni variant not the Hitachi. It all comes down to these few items: budget, skill level, and intended purpose. FOR SALE: carburetor set. Left and Right side carburetors. Pic for attention. Tuning is remarkably easy; upstream and downstream effects of component changes are much reduced, much less change-and-compensate fiddling. Mar 20, 2020 · Im looking for a 2-1 cable for my slide style “mikuni” carbs. New tires, new brakes (rear disc brake, dual disc front brakes), fuel tank and seat in excellent condition. Wingedwheel Go Lions! Top Contributor. Just got my tax check, and I feel rich. Still getting studdering at higher speeds or 3/4+ throttle. I read good reports about fitting Mikuni RS36 carbs to an XS1100, so decided to buy the kit for my 850 from Mikunioz. I got a Sigma jet kit with my specs (sea level. On my XS, I have the 34 mm Mikuni TM/RS flatslide pumpers from Topham. does anyone know how I choke this carbs and which way I should choke the carbs choke lever Oct 22, 2011 · Are the pilot jets interchangable on the newer carbs. Nov 18, 2020 · Starting this topic to help a few guys out as I was having a hell of a time finding a starting point and learning how to jet the carb in with genuine Mikuni VM24, that I picked up from Fortnine. 25secondary and either 12. Now. There are various carbs available, Mikuni, Delorto, Kehin and a few knockoffs, but any carb would work provided the venturi size and jetting are correct. Nov 30, 2013 · Mikuni VM34 carbs purchased from 650 Central, and configured specifically for XS650 Short exhaust pipes with torque cones and a reducer pipe inside the exhaust, both recommended by 650 central when I bought the carbs, all purchased together The motor revs up effortlessly and sounds amazing in the garage. Aug 31, 2022 · I have 1977 xs650 D, the carbs on it do not have mikuni logo on them, they are definitely 38's ,problem is on starting it up it will walk across the floor, I have totally rebuilt it but am not sure of the provenance of the carbs. XS650. If you have tight budget, decent tuning skills and you want a good street set of carbs there is a lot of info on this forum regarding the stock BS38's and BS34's. 0 air jet in the pilot hole. • Changed all the carb O-rings. In the intake bell I ran the main air jet hole open and used a 1. I’ve seen suggestions to replace the carburetors with a set from an XS750 as they are Mikuni. They initially leaked, but after replacement, they stopped. the pilot jet feeds through the main jet. Carbs bought prejetted only give you a baseline; final tuning is up to the buyer. Signal. Dec 2, 2023 · There is reason for that: VMs are a relatively simple carb, easy to jet, easy to tune, cheap parts, easy to repair and very little to go wrong, I wouldn't convert for a performance upgrade, you'd be lucky to see any difference. 00 AUD; Mikuni RS38 Carb Kit- Honda Four DOHC CB 1100, CB900, CB750 Engines $ 1,620. We include a 2-1 cable with a PUSH IN style cable that is fully assembled and ready Nov 28, 2024 · Mikuni - VM26-606 - Round Slide VM Series Carburetor (VM26-606), 26mm Keihin 28mm 28 mm PWK Carburetor Carb Kit Yamaha Banshee YFZ350 YFZ 350 Carburetor Keihin Honda XR 80 R Xr80r 2001 Using an aftermarket carb, you don’t have that luxury. Replaced Hitachi CV carbs with Mikuni Bs34 slide carbs from 1979 xs750. This works great on slightly modified bikes or aggressively ridden bikes. These carbs are specifically designed and tuned for Yamaha XS650 motorcycles. Dec 5, 2024 · KZ750 B twin cylinder VM34 Mikuni kit Complete carburetor kit for your Kawasaki KZ750 twin. 00 AUD; MuZ MZ Skorpion 660 Mikuni TM42 Pumper Single Carb Conversion Kit. Bought an extra float bowl plug and tubing and made the fuel level gauge. Mikuni VM34's to replace stock carbs RJames; May 11 Jul 28, 2013 · aussie newby . And Mikes XS (won’t be using them again). It is very easy to This carburetor kit will improve your XS650 performance and tuneability. 50/Kit series pump vm28-418 carburetor fuel fits 40mm 39mm 32mm racing slide genuine 28mm keihin tm36-68 38mm suzuki 36mm tm40-6 pumper mikuni flatslide performance smoothbore 41mm carb 34mm carburetors flat yamaha tm38-85 carbs radial honda tm38-86 Sep 29, 2009 · Fyi, I am currently doing a similar thing (Mikuni BST carbs from a Hinkley 750 Trident) but to a Yamaha XS850 triple. Thread starter Markangels4; Start date May 19, 2023; Markangels4 XS650 Enthusiast. This set of Jets presumes you already have this carb with these jets. 00 AUD; RS34 Mikuni Carb Kit for Suzuki Kawasaki Yamaha, selected models Dec 5, 2024 · XS400 vm30 Mikuni carb kit Yamaha SOHC or DOHC XS400 Mikuni Carburetor Kit | VM30 Or VM32 Replacement Carburetor Kit Two Genuine Mikuni 30mm Carburetors: Pre-jetted with SpeedMotoCo custom jetting. Is there anyone who makes them for this application or will they need to be custom made? Thank you. Easy install with expert support. Stripped my Mikuni BS38 carbs apart this evening off of my 77 xs650, ready for the ultrasonic cleaner. Use the ones you like most. The filters may touch stock side covers. Going faster has never been so easy, say goodbye to hard starting, irregular idle, hesitations, and flatspots. Nov 1, 2010 · The VM34s come in both right and left handed versions. They have a 100mm back to front total length, with an air-filter end diameter of 55mm and outlet at the engine end of 42mm. The kit also said to adjust the needle to a richer position so I did. CNC machined bolt on flange adapters with perfectly mated rubber connectors and Yamaha XS650 VM34 Mikuni Carburetor Kit Upgrade your Yamaha XS650 twin with our complete VM34 Mikuni carburetor kit, perfect for slightly modified or aggressively ridden bikes. The metering orifices are different. That being said, I am really considering the carb upgrade from Mikes XS. Basically looking for a comparison of performance, how easy they are to jet, tune, etc. Fuel level is 10 -11 mm below the carb body lip. Range. 5 , stock size and position of the jet needle , have put first a main jet 170 and after a 180 with the same identic result. 0 and Main jet 180. Messages 13 Reaction score 5 Points 3 Location dubai. Re: 650 SX Mikuni sbn 44 carb upgrade I ran the 28mm carb for years and my ski was very powerful, but had no top end past 3/4 throttle. You needa do some research on these babies, even 650central carbs cant be expected to work outta the box every time. according to specs the XSB use main #122. We include several different main and pilot jets for you to fine tune your carburetors to your application (depending on what performance upgrades you have done such as air filters, exhaust, cam, big bore kit). I have recently rebuilt my old 77 650D, and will now run a two into one carb setup. Also I have a '72 Rocket Three triple (sister bike to yours). In Keihin, Mikuni, and Dell'orto aftermarket 4-stroke carbs this is dealt with by using an accelerator pump. Any of you XS guys/Girls have any feedback with the new carbs? Jul 6, 2018 · I assume you mean to install VM34s but the BS34 is a Mikuni carb so he has put some Mikuni carbs on it. com Supporter. you can get just the replacement diaphragm for about $20 per carb for any of the Mikuni CV carbs that came stock with the XS 650 (either the BS 38mm 1970 thru 79 or BS 34 1980 on) Replace as a set. Thanks in advance. Geoff Color/Finish: Raw Metal Material: Aluminum Alloy Dimensions: Air Inlet Spigot OD: 58mm Outlet Spigot OD: 40mm Fits: Universal, Pre-Jetted for 1970-79 Yamaha XS650 Note: Sold as single carburetor Now the issues. All Motorcycle Brands; Our VM34 Carbs (VM34-168 & VM34-275) come jetted with Pilot 35, Jet Needle 6DH4, Needle Jet 159 series size Q-2, main Jet 260, Air Jet 2. Are they worth the $300. Jun 2, 2012 · These aren't CV carbs, ya gotta roll the throttle. 5 to 30, main jets from 135 to 140, upped the clip on the jet needle to the 2nd slot from the top, have the mixture screw out 2. I've read many posts of people looking for one only to be told that they no are longer manufactured and to just buy another carb and recycle (which seems rather wasteful). :D Aug 17, 2014 · Better throttle response, better fuel mileage, and way better low rpm running than the OEM Mikuni 38 mm flatslide CV carbs. I took the carbs apart, cleaned all the jets and passage ways with some carb cleaner spray. Original Mikuni Kit #42-11 HSR42 Carburetor; Airbox adapter. The current one I have is for a Yamaha blaster four wheeler and the barrel ends on the carb side are too short. Brand new carburetor kit consisting of genuine left and right Mikuni 34mm carburetors, pre-jetted with proven specs utilizing genuine Mikuni components. I use a pair of TM36/68 flat slide pumpers. 46 Part # 003-102 Dec 5, 2024 · 2 genuine Mikuni 30mm carburetors with SpeedMotoCo jetting! Assembled 2-1 dual cable throttle cable from motion pro. Jun 23, 2020 · For Sale - 1980 XS650 complete Mikuni carbs. I don’t know if the fuel air screws are adjusted correctly and I don’t know the specs for these carburetors, they are not stock Mikuni’s. Mikuni carbs is going to be fractions of a HP in favor of the 34 down low, and fractions of a HP in favor of the 36 up high. Main Jet - Small Round Type #150 Main Jet - Small Round Type - N102/221 Mikuni Type. I don't recall the exact model number but the UNI-Filters perform better. Thanks in advance! Feb 16, 2012 · Here's the exact carbs i bought Forums. Part #48-1408 $10. Share: When clicking on any individual size Mikuni carb from the drop down list it will put you into a page showing not only the Mikuni carb itself but also any items relevant to that carb, being Mikuni jets, Mikuni flanges, Mikuni carb tuning kits, Mikuni cables , Mikuni throttles, Mikuni air-cleaners and a range of Mikuni carb to OEM air box Oct 6, 2015 · I had a Yamaha XJ700Max and replaced the 4 CV Hitachi 33mm carbs with 2 VM34mm carbs and homemade 1 into 2 intakes. Jul 29, 2015 · My configuration is Ness Stage2 air filter , Mikuni HSR 42 , and Remus all open. CNC machined bolt on flange adapters with perfectly mated rubber connectors and clamps Description. I'm wondering if anyone knows any other differences between Jun 9, 2022 · The bike was missing one air cleaner and had leaking carbs so I put on a Joe-Wiseguy two into one tracker intake and jetted up a 36mm Mikuni VM I had for a TT500 Yam[special thanks to Tee-Cat on this site for answering my e-mails about his set-up] and the bike really runs great with the single Mikuni. Dec 7, 2017 · At least the XS2 heads have parallel inlet flanges, so the carb boots have to be straight when using linked carbs, like those in the pic, or stock linked CV carbs. The difference is the location of that spring loaded idle speed adjustment screw. Then there's the possibility that you'll wind up with a substandard knockoff carburetor or substandard knockoff jets. Sep 29, 2010 · Dyno numbers don't tell the whole story. since installing the carbs the bike will not run right. I'm assuming the stock cables won't work with the mikuni carbs. . 1968-1973 Honda CB350 with our Mikuni VM28 carburetor kit. Here's the kicker on the jets I pulled out of the carbs. A complete carburetor kit for your KZ750 twin. 00. Home Needle shim most Mikuni 2. Have any idea what is the problem? This Mikuni kit comes with a 120mm carb throat centre to centre spacing between carb 1 & 2 for direct fitment to Yamaha XS650 engines. The XS650 motorcycles all came with Mikuni, so that is what discussion is about on this forum. Jul 12, 2010 · The RS and TM pumper carbs represent the final point of Mikuni's motorcycle carburetor development before it was frozen forever by the advent of EFI systems. Thread starter Nickbenedict; Start date Jun 23, 2020; Tags carbs carburetor N. Jetted perfectly for stock carbs, comes with extra Mikuni jets to better fit your exhaust. However, spraying carb cleaner on them now stalls the bike. Direct bolt on aftermarke … Jun 6, 2024 · This set up is a huge performance upgrade for the 650 models. In the Mikuni have put a slow jet 27. I have used both on my 75. I stuck with the “carb-body” choke type. Complete ready to install EN450 Kawasaki 454 LTD vm34 Mikuni carburetor kit. The idle speed adjuster should be present on your left carb but will be in between the 2 carbs and difficult to access. Go. Where can I get replacement parts, and what should I replace now it’s all disassembled? And how do I learn what sizing the jets are etc. Mikuni VM34 Carb jetting and settings:*Pilot Jet Jan 28, 2022 · Hi All. Kit includes . I keep seeing 34mm carburetors on Amazon like this one Carburador Vergaser TM24 TM28 TM30 TM34 TM32 TM38 Flat Slide Spigot Compatible For MIKUNI Carburetor 50-650cc 2/4-Stroke Engine I know this would obviously work because, it says 650cc in the description. High performance smoothbore flatslide carburetor kit which offers superior horsepower gains over the stock carburetors. stock SF in good compression , has anyone sorted these out on a stock XS650 i,m in Australia close to sea level . These are great as well, and definitely the most convenient option for an XS. Good times! Nov 26, 2024 · Mikuni's VM Series, round slide carburetors have proven themselves as the performance standard for use on single and multi-cylinder, motorcycle and ATV vehicles. 005mm for each step compared to the 159 P6 I am using, the needle while slightly leaner in the beginning seems very rich afterwards and the main jet seems to high. Dec 7, 2014 · How does everyone feel about those 34mm Mikuni VM round slide carburetors, and are they a lot better then the OEM. 0mm - VM30 - VM32 - VM34 $24. Leo Nov 1, 2010 · The VM34s come in both right and left handed versions. The kit replaced the 135 main jet with a 142 jet. Took awhile to get the intake design right. The price is good, but they appear to both be right-hand carbs. A carb with the same bore diameter but without obstruction is effectively larger. Jun 4, 2022 · I used P-6 NJs instead of the P-8's that Mikuni supplies with the TM36/68, with the 9DZH6-50 needles as supplied by Mikuni, with clip in #3 notch. Just replaced pilot jets from stock 27. When a Mikuni carb is properly seated in a Mikuni adapter, you can feel it pop in and it will often be accompanied with a clicking sound. the carbs have 180 main jets, . So far ive cream coated the fuel tank (Im not sure im totally happy with the result). Running uni pods but I also have the stock airbox. 1980 yamaha xs850. May 19, 2023 · Wanted - Standard mikuni carbs for a xs650 1979. I installed them and tried to kick it a couple of times and it wouldn't start. Oct 4, 2009 · The BS34 has a closed circuit pilot jet. From what I can see the only difference between RH and LH Mikunis is the placement of the idle/slide screw. It appears your set-up was done using 2 right handed carbs. in both OE and aftermarket carbs, they aren't really the same size when it comes to breathing. 00 AUD; Menu. i bought the carbs from sportingforless on ebay. This Mikuni kit includes the following carb throat center-to-center spacings for direct fitment to Yamaha XS750 and XS850 triple models, as well as others with similar carb spacing measurements: A= 90mm (center-to-center spacing between carb 1 40+ year old Hitachi carbs fitted to my XS850. Oct 9, 2021 · In this video I replace the stock BS38 carbs with Mikuni VM34 carbs and compare 0-100km/h acceleration times. Reviews suggest you can tune the VM34s and the response is good compared to the CV Jul 6, 2013 · Observations of 1980 XS850 Very good condition overall. Sorry silly joke. We will jet the VM32's to your moto and we include the necessary mounting boots and accessories required. com/xs650-mikuni-vm-roundslide-34mm-performance-carb-kit. Thread starter mikethedruid; Start date Mar 23, 2011; Tags carburetors maintenance 1; 2; Next. Get them tuned well and the bike will run well. S. Oct 22, 2011 · Are the pilot jets interchangable on the newer carbs. Lots of power, engine sounds good. any help much appreciated . Sep 28, 2024 · Where is a good place to buy correct Mikuni kits, and do I use BS38 as my carb model? Reply. The kit includes: A pre-jetted TM38 Mikuni Carburetor. Messages 38 Reaction score 92 Feb 22, 2020 · To those of you who have installed mikuni carbs on the older bikes with the dual throttle cables, how did you do it? All the kits I see have 2-1 cables for the single throttle pull. Get the best deals on Carburetors & Parts for Yamaha XS850 when you shop the largest online selection at eBay Mikuni RS 36mm Carb Kit- Yamaha XS750 & XS850 Triple 1980 yamaha xs850. Nov 19, 2024 · XS850 carburetors are Hitachi. Some thing about the way air flows through the filters gives the CV carbs a bit of off idle stumble that can be a PIA to tune out. Got the carbs from CycleX and my jets were Pilot-15, Needle Jet-159-P-6, Needle-6F9(1 clip from full rich), Throttle slide2. 7mm ID x 6. 5 slide which if wanting a slide change needs to be made as a separate purchase. Sep 16, 2016 · Carbs Mikuni BS38 jets. This kit is tuned and ready to bolt on to your motorcycle. Any major flaws in any parts are DISCLOSED to YOU, to the best of our ability. lfruoz mtmvj umvlqc uafbzfj cltju uztrdqva ipfxbs bkdpcic haka bpiwuc