Mikuni rs34 carbs for kz1000. 25 Part # SU001-319 Mikuni RS34 carbs.

Mikuni rs34 carbs for kz1000 They are manufactured to satisfy the precise fuel metering demands and high-flow volume required by highly modified race engines. 30mm Lngth. 5 pilots). just tore my carbs down and Nov 4, 2016 · Mikuni Flatslide Pilot Air Jets. The 36'swere to big I should have run the 34's. 76 KZ, frame gusset work,1200CC. slot. Jul 13, 2012 · In the process of a complete engine overhaul on my KZ1000 K2. Dec 13, 2023 · Hello everyone, I have RS34-D21-K carburetors installed on my KZ1000A1 with less than 1000 kilometers on the new engine, which have never been calibrated. I am, by no means, an expert on these carbs. They are in short supply and sell for about $1,000. '' or knows someone'' who has upgraded their Carburetors to Mikuni RS34-D21-K on a 1980 Kawasaki KZ1000B4 LTD , I'd be interested 34mm Carb holders w/vacuum plug for a mikuni upgrade1980 KZ1000 B4 LTD - KZRider Forum - KZRider, KZ, Z1 & Z Motorcycle Enthusiast's Forum DP 0984 AIR FILTER set of (4) Keihin - CR35, CR37, CR39 Racing Carburetors Most FCRs with adaptors Mikuni - RS34, RS36, RS38, RS40 Racing Carburetors Buy your Carburetors - Mikuni - RS34-D21-K - GS750 - KZ750 - KZ900 - KZ1000 - Z1 from Z1 Enterprises. 33mm mechanical flatslides with acc. Assuming all things are equal are the crs33 and rs34's pretty comparable carbs? I am going to stick to the carbs I have, once I start tuning the engine I will work with the bs34's until I needsomething better. Carburetors - Mikuni - RS34-D21-K - GS750 - KZ750 - KZ900 - KZ1000 - Z1 $784. ) jet (j8-) jet #568 jet screw ~ :ii Sep 21, 2017 · Currently the jets that came with the carbs were for a gsxr750 so they are on the small size. They will breathe a whole new lease of life into your machine with an up to and over a 25% increase in Aug 8, 2007 · If you know the spacing between the carbs and the spigot (O. I didnt have much luck when searching the Jun 27, 2024 · Disassembly of RS34 flat slides. You can find carbs from an '88 GSX-600, all GSX-R750's, all Suz GS750, all Kaw KZ 750. Mikuni RS Flat Slide Carburetors 34mm fits the following vehicle(s): 1981 Kawasaki GPZ1100; 1982 Kawasaki GPZ1100; 1983 Kawasaki GPZ1100; 1984 Kawasaki GPZ1100; 1977 Kawasaki KZ1000; 1978 Kawasaki KZ1000; 1979 Kawasaki KZ1000; 1980 Kawasaki KZ1000; 1981 Kawasaki KZ1000; 1982 Kawasaki KZ1000; 1981 Kawasaki KZ1000J; 1982 Kawasaki KZ1000J Dec 5, 2024 · KZ750 B twin cylinder VM34 Mikuni kit Complete carburetor kit for your Kawasaki KZ750 twin. These ''New'' carburetors are Mikuni RS34-D21-K. All float heights are set to 17mm with #2. Mar 30, 2018 · If anyone has. I have the very same type of 1/8~1/4 turn throttles on both bikes. Mikuni carburetor adjusting and tuning. 2005 Yamaha Roadstar Warrior 1700: Patrick Racing Big Air Kit, Speedstar 2-1 exhaust. Set float height to 3mm under the gasket surface (+/- 1mm) **** This gauge will NOT work on the 1973 1974 Z1 VM28s with the 17mm drain bolt. GPZ1100 converted to Mikuni RS34 FS jetting - KZRider Forum - KZRider, KZ, Z1 & Z Motorcycle Enthusiast's Forum Mar 30, 2018 · If anyone has. Z1900 KZ1000 '73-80 KZ1100 '81-85 All Mikuni smoothbore carburetors are designed for use Aug 20, 2009 · Thx guys. Parts for Mikuni smoothbores are still available - visit Z1 Enterprises website. 5 pilots, 9DZH1 Needles in the 3rd clip (middle), and 120 mains. ) (o. Used clean and unbroken #3 carb body from a rack of 4. Mikuni RS34 carbs got a light clean and some new K&N filters (120 mains, 17. 400", RS34, Kerker, Dyna S Mikuni RS34 carbs, ported head, Kerker 4-1, stock valve sizes, Dyna S with Dyna Coils. Nov 8, 2019 · In case anyone is on the fence on getting the RS series carbs, do it. Designed in collaboration with the best teams in the world of road races and drag races to allow more powerful performance of the four-cylinder engines in line: offers smooth, controllable throttle response with precise fuel-metering demands with high-volume fuel/air required by race engines. So I see a lot of topic covering carbs for a 1075 with new cams but not stock cams. Mikuni RS 34mm Radial Flat Slide Carburetor Assembly. over intakes, Carron Pipe, ZRX12 rear end, and seat,96zx9 front end. Jun 15, 2008 · Hello I just installed a New set of Mikuni RS34 Flatslides on my 1978 KZ1000 LTD . how to adjust them to factory, base specs, and a desc Dec 13, 2023 · The RS34's are great carbs. Keihin CR Specials are getting a lot of attention. Includes: 28 socket head bolts- 28 lock washers and 1 Allen key for a total of 57 pieces. I purchased a used set of RS36's early in 2016, and replaced them with RS34's later that year. '' or knows someone'' who has upgraded their Carburetors to Mikuni RS34-D21-K on a 1980 Kawasaki KZ1000B4 LTD , I'd be interested 34mm Carb holders w/vacuum plug for a mikuni upgrade1980 KZ1000 B4 LTD - KZRider Forum - KZRider, KZ, Z1 & Z Motorcycle Enthusiast's Forum Aug 20, 2009 · Thx guys. May 5, 2011 · 1977 KZ1000A With 1980 KZ1000A MKII engine, Wiseco 1105 kit, Dyna S Ignition, 3 Ohm Dyna Coils, Cams, Mikuni RS34 Carbs, Vance and Hines Pro Pipe with Comp Baffle New Smyrna Beach, FL Please Log in or Create an account to join the conversation. Home FAQs/ tuning Contact us Shipping expedited* Washer, RS34, RS36 Needle Clip VM26/315 (SKU 007-124) 25B. There are other choices these days. Cams, Mikuni RS34 Carbs, Vance and Hines Pro Pipe with Comp Baffle There are still many smoothbore carbs in existence and they’re getting expensive - count on a good working set selling for $500 at a minimum. This works great on slightly modified bikes or aggressively ridden bikes. This Mikuni RS34 Kit includes the bank of 4 Mikuni RS carbs, jetted and ready to Jun 27, 2010 · I am needing some help tuning a set of mikuni rs34 carburetors on a 78 kz1000 ltd. and im sure u know but others may not, a bigger needle jet will give u more fuel at an equal rate through the mid section. Hello. Look for a set of Mikuni BS34 carbs their easier to find and will bolt right up. Feb 27, 2011 · 1977 KZ1000A With 1980 KZ1000A MKII engine, Wiseco 1105 kit, Dyna S Ignition, 3 Ohm Dyna Coils, Cams, Mikuni RS34 Carbs, Vance and Hines Pro Pipe with Comp Baffle New Smyrna Beach, FL Please Log in or Create an account to join the conversation. These Mikuni RS series carburetors were designed to fulfill the needs of the world's top motorcycle road and drag race teams. May 6, 2011 · On my 2nd KZ1000 ; Posts: 168 ; Thanks: 3 -Mikuni RS34 Carbs-Pod Air Filters-Dyna S Coils and Ignition-Race Tech Valve Cartridge Emulators up Front I am going with the OEM airbox for a 1980 Kawasaki KZ1000 B4 LTD. Please elaborate on the carburetor accelerator pump system, and the effects it has on jetting? 1982 KZ1100-A2 Please Log in or Create an account to join the conversation. My 1980 KZ1000 LTD was really having problems with the stock carbs. YAMAHA SR250 FJ1100 FJ1200 XS650 XS1100 KZ1000 KZ750 MIKUNI CARBURETOR FLOAT (For: 1982 Kawasaki GPz750) Mikuni RS34-D21-K Carburetor 34mm for Motorcycle (For Dec 29, 2011 · 1977 KZ1000A With 1980 KZ1000A MKII engine, Wiseco 1105 kit, Dyna S Ignition, 3 Ohm Dyna Coils, Cams, Mikuni RS34 Carbs, Vance and Hines Pro Pipe with Comp Baffle New Smyrna Beach, FL Please Log in or Create an account to join the conversation. 375" lift). BTW, some early RS34's had a manufacturing problem where one of the passageways was mis-drilled effecting lower run throttle response. The only mods are Denco 4 into 1 header, Kn pods, Dyna S ignition, Dyna Coils. '' or knows someone'' who has upgraded their Carburetors to Mikuni RS34-D21-K on a 1980 Kawasaki KZ1000B4 LTD , I'd be interested 34mm Carb holders w/vacuum plug for a mikuni upgrade1980 KZ1000 B4 LTD - KZRider Forum - KZRider, KZ, Z1 & Z Motorcycle Enthusiast's Forum Mikuni RS34 Flatslides Help Mar 30, 2018 · If anyone has. 25 Part # SU001-319 Mikuni RS34 carbs. I got a set in my ELR, they are rough on low RPM but sooooo sweeeet when you crank it up. 375 webcams Mikuni RS34 KZ440 Project 81'KZ750E2 Project Past- '81 Kz750H . d. MK-RS34-40 Carburetor Rebuild Kit for Mikuni RS34 / RS36 / RS38 / RS40 Racing 4-Carburetor Assemblies. 2 are Mikuni VMs, one being a set of regular 26s, and one being the original set of May 31, 2013 · The Keihin CVK was a much better carburetor than the Mikuni BS at delivering a good fuel curve and dam near equaled an RS34 for drag strip performance. I am sure there is directions somewhere on here on syncing carbs but i cant find it. pumps. Last edit: 04 Jun 2013 21:15 by crh . Dec 12, 2019 · Mikuni RS34 carbs Will work on any bike fitted with 29mm or VM33 smoothbore carburetors and RS series flat slide carbs. 5 pilots, 9DZH1 Needles in the RS34 Jetting on a KZ1000 - KZRider Forum - KZRider, KZ, Z1 & Z Motorcycle Enthusiast's Forum Apr 21, 2009 · keep reading about having to modify bs34 carbs if you're running pod filters. TM36-68 Carb Parts; TM40-6 Carb. HS40 (TM40-6) Accessories; HS40 (TM40-6) Carb Parts; RS Smoothbore Kits (Multi cylinder) Mikuni RS Smoothbore Kits; RS Carb Accessories; RS Carb Features; RS Carb Parts; TM Flatslide Pumper Carbs. The vendor part number is RS36-D3-K. 80 and up require a KZ1000 Throttle assembly or one our Billet Housings. This Kit is for fitment to Kawasaki KZ900 and early KZ1000 models not requiring our push pull throttle and cable combo, where the stock carbs have a 35mm outside diameter on the motor side outlets which won’t accommodate the 40mm outlets on these Mikuni RS34’s. 84' 1100 LTD bathtub head/stage 1 porting, ZX1100A cams (. KZ1000; KZ1100; KZ1300; Manage Galleries; Filebase. Set of four - silver. and I believe to the best of my knowledge, they are not constant velocity, as there is no butterfly valve in the throat section. Check your carb spacing as per the picture and if not 77-93-77 as supplied here but only requiring a 77-85-77 spacing adjustment this can This Mikuni kit comes with the following carb centre to centre spacings for direct fitment to GSX-600 ’88, GSX-R 750 to’90, Suzuki GS 750 ALL (not the F touring models), Kawasaki KZ 750 Z900 KZ1000 etc The RS series Carburetors feature a compact design which is 25% lighter than other performance carburetors, offers quick needle jet adjustment, and uses readily available standard Mikuni jets. They are making a Chattering noise . Mikuni jets RS carb carburetors and parts . a new needle will offer dif tapers to tailor the mid section Mikuni RS34 Flatslides Help Carb Choices kz1000 1075. Mikuni RS34 Needle size and carb tuning on a 1260 - KZRider Forum - KZRider, KZ, Z1 & Z Motorcycle Enthusiast's Forum Apr 29, 2011 · I need to set the float level correctly and I know that I can use the Mikuni HS manual for tuning procedures but there is one thing about this that is unclear to me. This Mikuni kit comes with the following carb centre to centre spacings for direct fitment to GSX-600 ’88, GSX-R 750 to’90, Suzuki GS 750 ALL (not the F touring models), Kawasaki KZ 750 Z900 KZ1000 etc. This Kit is for fitment to Kawasaki KZ900 and early KZ1000 models where the stock carbs have a 35mm outside diameter on the motor side outlets which won’t accommodate the 40mm outlets on these Mikuni RS34’s. baffle. Dec 5, 2024 · This Mikuni RS34 carburetor Kit suits Suzuki GS550E and GS650E ( not the shaft drive GS650G which has the standard RS 77-93-77 carb spacing when replacing the offset rubbers with straight ) four cylinder models when replacing OEM 32mm carbs. Also what tuning should be done to my stock Carb Sync instructions 79 kz1000. . I, for one, had a difficult time finding info on these carbs. This kit comprises: one set of Mikuni RS34 carburetors, four engine mount stub flanges with rubber boots and clamps, and four pod filters. Synchronizing them with a vacuum gauge or manometer can be problematic as the carbs themselves do not have any type of vacuum port on them. Aug 9, 2009 · I would like to find out what kind of jetting people are running with their MikunI RS34 carbs. Ported by Larry Cavanaugh, 1. Jul 27, 2022 · I have a set of Mikuni RS36's on my early model GSXR750 and a set of Keihin CR33's on my Kz1000 Superbike. , but also sniffed a little out on my own. I just installed the RS34 onto my KZ900 and what a difference in power, Wow! KZ1000; KZ1100 . I am currently running 17. May 29, 2020 · My carb tuning skills is pretty weak. Search Filebase Feb 18, 2008 · 1) Carbs from the very first GSXR750 are 29mm flatslides, together with K&Ns make the engine a lot more lively - if you have more cash to spare go for the Mikuni RS34, don't go bigger, as it will negatively affect the bottom end. 34mm. And, if using J-model carb boots to mount the carbs to an earlier KZ head, then those boots won't have any vacuum ports, either. RS34 Jetting on a KZ1000. In case anyone is on the fence on getting the RS series carbs, do it. I need to set the float level correctly and I know that I can use the Mikuni HS manual for - Page 2 Mikuni RS34 Flatslides Help - KZRider Forum - KZRider, KZ, Z1 & Z Motorcycle Enthusiast's Forum Feb 12, 2011 · 1977 KZ1000A With 1980 KZ1000A MKII engine, Wiseco 1105 kit, Dyna S Ignition, 3 Ohm Dyna Coils, Cams, Mikuni RS34 Carbs, Vance and Hines Pro Pipe with Comp Baffle New Smyrna Beach, FL Please Log in or Create an account to join the conversation. I have a rack of RS34's on my warmed over KZ1000 LTD. 1977 Kawasaki KZ1000 : Street/Strip I have 3 other sets of carbs for my bike. Feb 4, 2016 · 1976 KZ900 LTD, resto-mod-1075 Piston Kit-PSP 3X Cams (degreed to 106)-Mikuni RS34 Carbs-Pod Air Filters-Dyna S Coils and Ignition-Race Tech Valve Cartridge Emulators up Front The Mikuni RS Series Carburetors were designed and built in response to the needs of the world’s top motorcycle road race and drag race teams. Information given, a little bit of tech talk. Dec 12, 2019 · Mikuni RS34 carbs I have a 1981 KZ1000 carburetor that I need to set the float bowls to proper height, does anybody know the proper height? Mikuni 34mm - KZRider Forum - KZRider, KZ, Z1 & Z Motorcycle Enthusiast's Forum Jan 26, 2025 · Up for sale is MIKUNI 1978-1980 KZ1000D Z1R Kawasaki RS SERIES CARBS 36MM. May 6, 2011 · For RS34 carb, am thinking there are available several different size needle jets as well as several different size jet needles. 00 out of 5 18 hours ago · Mikuni RS Series Carburetors. 00 out of 5 Mikuni RS34 Carbs, Mounts & Filters Kit Kawasaki Z900 & Early Z1000. 5x18 laced to a KZ1000 disk hub. So I upgraded to mikuni RS flat sides. TM33 Carb Parts; TM36-68 Carb. In your pic that set looks like a Mikuni RS34. RS34-D21-K: GSX Nov 8, 2019 · Mikuni RS34 carbs. The throttle response is crisp on both setups. Good Fortune! Yes that is true. Also, have a pair of RS34's on my '70 Triumph Bonneville (now 750cc w/ported head and cams). We are your #1 source for DIY Vintage Motorcycle Parts. Apr 10, 2009 · GSXR750R ´85-86 had Mikuni TM33-3012 kits. Mikuni RS34′s are also popular and more affordable at $700 or so. What a difference a day makes! Thanks for watching! Jun 4, 2010 · 1977 KZ1000 finally finished 03 Jun 2010 18:09 #373210. 00 See all 40 listings for this product Carburetors - Mikuni - RS34-D21-K - GS750 - KZ750 - KZ900 - KZ1000 - Z1 SKU: SU001-319 $784. Mikuni RS34 Carbs, Mounts & Filters Kit Kawasaki GPZ750, KZ750 & KZ650. I won't be buying new, I will likely find a used set from oldkawman or something like that. RS36-D3-K. 01 CBR600F4i Track bike. Suzuki: RS34-D21-K. They are RS34's that I bought used, but were only around a year old. Get the RS34 carbs. And the KZ really comes alive at higher rpms. Search Filebase HSR Early Version Carb Parts; HS40 Early model Harley Carb. The adjustable accelerator pump system helps to provide instant throttle response - particularly in the lower RPM range. RS34-D21-K: KZ900 / 1000 / 1100 Fits the following OEM Stock Carbs. intake bells. I ran a set of RS36 carbs on my highly modded 1175 cc GPZ engine with ported head a big cams. They were made for a highly modded 750 and up. Kawasaki: 1980-82 KZ550A- 1980-1983 KZ550C- 1981 KZ550D- 1977-78 KZ650- 1976-77 KZ900- 1977-78 KZ1000. BS -carbs are CV-type carbs that are maybe smoother but they do not give same throttle response nor power. They also fit 1974-1974 Z1, 1976-1977 KZ1000, 1977-1980 KZ1000, 1978-1979 GS1000. Dec 12, 2009 · 1977 KZ1000 Mutt - 1075, Kenny Harmon Cams . The Mikuni RS34-D21-K RS carburetors will significantly enhance the performance of your Kawasaki KZ650, providing standard tuning specifications i: ~ mikuni kit application engine carb spacing spigot main jet needle needle pilot pilot - number ·(general) modifications (throttle shaft no. Going with the Mikuni RS34-D21-K carbs, but want to maintain the factory air box as opposed to the pod filters. RS34 has 130 mains, 35 pilots, and 1. Apr 29, 2011 · Mikuni RS34 Flatslides Help Guys, need some help on these carbs. If you’re looking for bolt on performance for your KZ900 or KZ1000, get a set of smoothbores, Keihin CR Specials or Mikuni RS34′s. Carburetors are available in 34, 36, 38, and 40mm bore sizes with different carb spacing for some Suzuki, Kawasaki, and Yamaha motorcycles. The pilot jets are 115, mains are 130 and the needles are still set where they were when purchased. Carburetor Body #3 Mikuni RS34-D21-K GS750 KZ750 KZ900 KZ1000 Z1 Dragbike RS | eBay Skip to main content Aug 9, 2009 · I would like to find out what kind of jetting people are running with their MikunI RS34 carbs. These are flat slides. I need to set the float level correctly and I know that I can use the Mikuni HS manual for tuning procedures but there is These pilot jets are made for these aftermarket Mikuni Carburetors: RS34 / RS36 / RS38 / RS40 / HS40 / HSR42 / HSR45 / HSR48 / TM33 / TM36 / TM40 with Accelerator Pump. The motor has been gone through top to bottom and I'm really happy with how it turned out. Washer Dec 22, 2008 · These days I tend to run smaller carbs on bikes to get the throttle response at lower RPM. Because I bored it out a bit I went with the 36 mm carbs at the recommendation of KZzone. 2) If you want to go for a bigbore go for the 1170 kit, with the bigger 1200 kit the liners get too thin. Despite the good-wisdom of forum members, I followed the Mikuni application chart which recommends the RS36 for a KZ1100. Does anyome know what causes this. RS34 Mikuni Complete Carb Kit for Kawasaki Z900 & Early KZ1000 models. The Mikuni RS series radial flat slide carburetors offer superior horsepower gains with their maximum flowing smoothbore induction tract and radial flat slide design. A complete carburetor kit for your KZ750 twin. this video shows a detailed description on all the adjustments. Mikuni replaced these carbs free of charge Feb 25, 2014 · V/H KZ1000 sidewinder. com. HS40 (TM40-6 Dec 12, 2019 · Mikuni RS34 carbs Mikuni radial carburetor set RSserieswith flat valve. I know that with the carbs upside down, from the top of the float to the carb body mating surface to the bowl that the distance should be roughly 19mm. This is a complete replacement kit with throttle cable, and new intakes Feb 14, 2019 · Getting a set of RS34 carbs dialed in for a 750 will be near impossible. May 22, 2023 · My engine could be similar enough that the carbs as currently set up may help somehow. 5mm. It's years since I drag raced and wanted pure WOT power. this is news to me. They are cheaper than most other performance I finally received all the parts I’ve been waiting on, so installed them today. Feb 28, 2011 · mikuni flat slide 34mm 1978 KZ1000 A2A with 08'Speed Triple SSSA and '06 GSXR1000 front end. TM33 Carb. Carburetor Body #2 Mikuni RS34-D21-K GS750 KZ750 KZ900 KZ1000 Z1 Dragbike RS item 40 Carburetor Body #2 Mikuni RS34-D21-K GS750 KZ750 KZ900 KZ1000 Z1 Dragbike RS $100. Buy your Carburetors - Mikuni - RS34-D21-K - GS750 - KZ750 - KZ900 - KZ1000 - Z1 from Dime City Cycles. 150/60/18 Shinko 006 Podium. I would like to find out what kind of jetting people are running with their MikunI RS34 carbs. 1 +/- air jets with fuel screws 1/4 +/- turn out. Nov 8, 2019 · Need more user information and tips for RS carburetors from members that have them. Rated 5. Through some help from DoctorD and MRieck, I gleaned some info. Please Log in or Create an account to join the 1978 Suzuki GS1000: Indexed,trued, welded crank, 1085 kit, Mikuni RS34 carbs, K&N pods, V&H 4-1 with comp. Has the factory needle/jet w/clips in 3rd. Fits all Mikuni RS series and other carbs with 55mm O. If so, perhaps a set of RS34 carbs would be better than the RS36 on the bike all year? 1978 kz1000 z1r 27k miles 1977 KZ 1000 RS36-D3-KRS Mikuni Carb Kit | GSX-R 750 (to '90), GSX-R1100 (to '90), Suzuki GS 1000-1150 (excluding F Touring), Kawasaki Z900, and KZ 1000-1100 | RS36-D3-KRS Series Radial Flat Slide Carburetor Set Toggle menu Mikuni RS34 carbs Nov 8, 2019 · Another vote in favor of the Mikuni flatslides. KZ1100A2 with MTC-G1135-3 piston kit. No complaints here. The following user(s) said Thank You: kimsmith4807 , jonarmstrong Jul 21, 2014 · Carb Choices kz1000 1075 MTC 1075 . 25 Add To Cart Mar 27, 2013 · The carbs need some tuning though. New Yamaha KZ750 twin Mikuni kit. For example, the RS34-D21-K has carb spacing 77-93-77 with a 40 mm spigot opening. ) in mm you should be able to cross reference that to a newer set from another model bike. We are your #1 source for Kawasaki & Suzuki Vintage Motorcycle Parts. I just went out to the garage and checked to see if there was any difference in the amount of effort it took to open both sets of carbs. 5 They are in short supply and sell for about $1,000. 50mm Lngth. Jun 2, 2013 · I figured there were enough of us using the Mikuni RS34's on our 750's now, that we should compile some tuning and general information. D. anyone done these mods as of yet. The flat design fuel control valve provides an Jan 5, 2018 · Carburetor Screw Set Stainless Steel bolt set to replace those easily damaged Phillips pan head carb top and float bowl screws. The RS34-D21-K - KZRider Forum - KZRider, KZ, Z1 & Z Motorcycle Enthusiast's Forum The best option to rejuvenate your eighties motorcycle; It's drastic and it shows from the moment you turn on the machine! The manufacturer recommends larger carburetors, but it is only when you have made internal modifications to the engine, the ideal is to replace your old carbs with Mikuni of the same size, in my case the ideal ones were RS34. The RS Series carburetors feature a compact design which is lighter than other performance carburetors and uses readily available Mikuni jets. Right now it seems to hesitate when you first hit the throttle. Aftermarket Carburetor Division 8910 Mikuni Avenue Northridge, California 91324 USA. The RS series Carburetors feature a compact design which is 25% lighter than other performance carburetors, offers quick needle jet adjustment, and uses readily available standard Mikuni jets. 3. 5 float needles. kvuyj gtoegq snanmy rwvred bueh khclf uqlui czcc mwng toapfk rmoxyw snpgna vbhw wccnc dkusm