Mikuni carburetor hose diagram. 5 (16-166) | MotoSport is 38 dollars from motosport.

Mikuni carburetor hose diagram In order for the flow of fuel to run from both petcocks The Mikuni BN38 diagram is an essential tool for understanding the inner workings of the Mikuni BN38 carburetor. Check Details. I've only got one hose coming out of the rear which I think goes to the tank (but which nipple of the 2 on the tank), the nipple coming out the left I dunno. 2. Download and read or print these Before attempting any jetting changes which you feel are needed, first refer to the carburetor This Mikuni Carburetor Rebuild Kit is designed to replace multiple internal items including the float valve, internal gaskets, and clips as well as new external items such as new Genuine Mikuni vent hose, clips and adjustment screws. Find step-by-step instructions and diagrams to help you understand and maintain your Mikuni carburetor effectively. Hose Clamps. Click here for optional fuel line and hose options: 24. Whether it’s adjusting the main jet for peak power or fine-tuning the air screw for idle speed, proper carburetor tuning is essential for achieving optimal performance and fuel efficiency. 5 (16-166) | MotoSport is 38 dollars from motosport. The stock pancake Volkes type filter will fit as long as it has the removable insert and is for a 900 or 389 series Amal carburetor. 5 Needle Vlv Assy 002-982 : Hose, Overflow N122. 5 in. Mikuni carburetors are typically attached to the engine using a single bolt or a small clamp, which is located on the carburetor’s mounting flange. Hose 888-23026 007-608: 71. Carb i purchased: Fenghu Heavy-Duty Carburetor Carb, Fit for Daihatsu Hijet S80 S81 S82 S83 EB EF HB HD Citivan Suzuki 370Q S-75/S-88, Replaces 21100-87B65 21100-87766 - I paid $89. 5" carb vent hose Carburetor Bowl Vent to Canister Assembly T-connectors 3/16"—1/8"—1/8" Mikuni jets TM36 TM40 HS40 carb carburetors and parts . I go over the functions of it and how to troubleshoot it. 1. Needle Jet VM26/581 series 332-0-0: 27. The left side of the carb, above the fuel inlet, is the bowl vent. Pilot Jet M28/1001: 26. Once the assembly is built, install it on the carburetors and the hard line leading to the charcoal canister. Mikuni_MK-BN38-44-SPR_Rebuild_Kit_Diagram. By studying this diagram, riders can gain insight into the inner workings of the carburetor and learn how to adjust it for optimal performance. It goes to a hard plastic piece which seems to have a screen/filter inside it and then some melted foam. This is part one, containing an "exploded" view, all labeled Might help clear up questions about which carburetor hose goes where on a stock Mikuni carby The vent lines and the bowl The #1 Community For Yamaha Blaster Owners! Search My advice is to tear the carburetor apart, clean it up throughly, and reassemble everything. New oem carb is 350 bucks. Only question is, where do all the hoses go? Diagrams of fuel line routing for vintage Triumph Bonneville This article will address both the original Amal carb set up as well as a the fuel line routing for a Mikuni carburetor Banjo fittings are made with barbs that keep the hoses attached to the petcocks and carburetors. This diagram provides a detailed breakdown of all the components and their functions, allowing users to better understand how this carburetor functions and troubleshoot any issues that may arise. pdf The document provides images and diagrams of a Keihin CV carburetor to help understand its parts and circuits. Cohline Tm36 partsParts mikuni tm24 carburetor 24mm flatslide vm24 mikunioz Mikuni hsr42 hsr 45 old style carb exploded viewPw80 carburetor hose diagram. unfortunately, the chilton's book does NOT provide the correct routing. If you've had your Mikuni carburetor for several years now or if you need to repair it, replace the components that are Mikuni jets HSR42 HSR45 HSE48 OLD STYLE carb carburetors and parts . There are three tunable parts in the idle circuit: 92055a 1 6065 49006 921 15003/a 49006a o 16012 0—92055 16013 16016 13183 92036 1 6002 9—16003 1 6004 92081a 1 6007 92033 16187/a 92022 1 6025/a Mikuni RS Smoothbore Kits; RS Carb Accessories; RS Carb Features; RS Carb Parts; TM Flatslide Pumper Carbs. Lever, Starter Cable TM36/63 (SKU I recorded this for reference during the rebuild process. These vents must not be obstructed or plugged. If it is nicked or distorted, replace it with a new seal. In conclusion, the Mikuni BST31SS carburetor diagram is a valuable resource for motorcycle riders looking to understand and maintain their carburetor. Certified Master Technician,Certified in diesel & gasoline engines The diagram of the Mikuni 38mm flat slide carb also showcases the presence of a needle jet and jet needle. a Phillips head screwdriver, a set of needle nose pliers, a fuel line hose, and clamps. in 16 hours 15 years ago. WHere else can you get this much help in 30 minutes time from posting. sassembly 22 slot o g 'ass nom r e . 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 Mikuni RS Smoothbore Kits; RS Carb Accessories; RS Carb Features; RS Carb Parts; TM Flatslide Pumper Carbs. The Mikuni VM24 and VM26 carburetors are extremely versatile carbs that offer great performance and easy maintenance. Title: Mikuni VM carburetor drawings Author: Ben Aylen Solex DIDTA Carburetor Parts and Service Kits. 30- general exptooeo view as 50- 32dldta o. Figure 13. Vent Hose: View Part: 40: VM38/09: VM38 Jet Extender, Hex Main Jet: View Part: Mikuni jets VM26-606 carb carburetors and parts . Additionally, the diagram can be a useful tool for One pump (A) was the supply pump, plumbed from the fuel tank, to a fuel filter, to the pump, and finally to the OE inlet on the carburetor. Tuning Tips & Manual Downloads . I have the intake 90 degree hose for the slide. This page lists our Carburetor Owner's and Tuning Manuals. Click here for optional fuel line and hose options: 13. Here is a youtube video explaining how a CV carb works. It labels different areas of the carburetor including air and fuel passages. Lubricate the seal and carburetor spigot with rubber lube, chassis grease or motor oil. Answered by . For comparison, the oem needle valve: VALVE-FLOAT,#1. Sequoia Drive Compton, CA 90220 . Refer to your carburetor parts diagram to be sure this Mikuni part is correct for your needs; 11. As shown in 50cc carburetor diagram, the carburetor contains different parts that work together to provide fuel and air mixture to the engine. It includes labels and annotations to help identify and understand the various elements of the carburetor. Free Shipping. Quick Links. Now fit the air filter. Washer, Needle Valve Seat VM26/25 002-188: By studying the Mikuni flat slide carburetor diagram, you can gain a comprehensive understanding of how each component interacts with one another. 4. 2 hose fittings - one going left, one facing towards the rear. PLEASE SEE OUR 5'FT LISTINGS FOR 3-HOSE CARBURETORS** Welcome to Max-Motorsports. HS40 (TM40-6) Carb Parts; TM42 Carb. unfortunately it appears that the OP is in comifornia like me and almost all counties except 2 or 3 require smog inspections off vehicle carburetor service (mikuni) sol ex-models 28-32 didta. i looked at the on on the surging and bogging thread buts its not the same as mine. My Account Support. These components play a crucial role in regulating the fuel delivery at different throttle positions. Mikuni is now making available some Genuine Mikuni Carburetor and Fuel Pump Rebuild Kits for many popular OEM Motorcycles and ATVs where such Rebuild Kits and Replacement Parts may not be available from the Original Vehicle Manufacturer. We’ve picked these carbs to use in our TT-R125 carburetor conversion kit because they are very close in size to carbs used on the stock bike. Screw, Float Bowl C2=0412-B 007-201: Mikuni jets TMS TMX EARLY STYLE carb carburetors and parts . You can then switch between the drawing and this page here as the numbers in the drawing match the number prefixes in the part descriptions on this page here. Step 2: Locate the fuel inlet They don't hook to the carb, but just lay there. Understanding this diagram is important for a number of reasons. If the air Mikuni BST36 Carburetor Rebuild Kit suits various Triumph models. DIAGRAM A Exploded view of a SPIGOT MOUNT TYPE MIKUNI CARBURETOR '9 23 26 (not all parts listed are available) Exploded Of the FLANGE MOUNT FLOAT 3SA Main Jet Extender VM38/09 or VM38/03 t pe t s . So, as an example, number 67 in the The LTZ 400 carburetor diagram is a crucial tool for anyone working on or owning a LTZ 400 ATV. (310) 637-8330 • Fax (310) 637-8331. Motorcycle Dirt Bike ATV Snowmobile Brands. so my question is this: there are two "fuel lines" (from the bottom of the carb assembly) and two "vent lines" (from the top). Further down the Mikuni CV carb diagram, you’ll find the main jet and the idle jet. Later on I obviously had too much time so I made this cut. Learn about the Mikuni carb fuel line diagram, including how it works and how to troubleshoot common issues. There are always two brass spigots on the sides of #2 and #4 carburetors for bowl venting. . S can anyone give me a link to find out how all the tubes and hoses link up to a mikuni carb of a 98 gtx limited. TM33 Carb Parts; TM36-68 Carb. Home FAQs/ tuning Contact us Shipping expedited* International shipping HSR48 Carburetor Rebuild Kits KHS-031 with 4. Ouch. Mikuni jets VM24-512 carb carburetors and parts . Remove the 4 bolts that hold the airbox to the frame of the quad. The main part of a 50cc scooter’s carb is the bowl or chamber where you place your fuel. Large Hex Main Hex 4/042: 28. We can supply addition hose and fittings if needed. 2410 S. com Mikuni tm24 cable The Mikuni Solex 28/32 carburetor is a dual-barrel carburetor made by the Japanese company Mikuni in partnership with the French company Solex. These vents connect to the #1 and #3 carburetors via short, rubber hoses to allow venting of those carburetors as well. The reason he abandoned the original, was poor or no idle. Additionally, a dirty or clogged air filter can cause problems with the Mikuni CV carburetor. S. 3. For Mikuni carburetors 42 mm and 45mm. Sudco International Corp. 22 plus free shipping at Parts Giant. 3 MB) TM Series Carburetors Mikuni Carburetors should be replaced, repaired or tuned by the selling dealer, or a trained or qualified race mechanic. MK-BN38/44 SPR 1, BN38/547, 16-72001, BN34/97 2 hoses/t-fitting out of the bottom of 1 and 2 carbs goes where? Little plastic thing behind #4 cylinder and under the carb. It is also important to check for any loose or damaged hoses that could be causing an air leak. Answered by david in 2 hours 15 years ago. Troubleshooting coolant hose issues in your 2008 Mikuni_MK405_Rebuild_Kit_Diagram. The main jet delivers fuel at wide-open throttle, while the idle jet handles low-speed operations. The anti run-on valve (if present) should be connected to intake manifold vacuum just as with the stock carburetors. Cohline E10-resistant fuel line hose with 8 mm inner diameter and steel braiding 2134. Make sure you have the appropriate size for 86 HOSE, A/ P FUEL 87 JOINT, FUEL 88 CLIP, FUEL HOSE 89 SCREW, BRACKET All Mikuni AS Series Carburetor Kits are designed to be a bo~-on application, and as such, are set up and jetted properly The accompanying diagram shows which jetting circuits in MIKUNI CARBURETORS CD 13 16 PLEASE NOTE THE CORRECT ASSEMBLY OF FUEL SCREW. it looks like there's only those two holes in the "air box" (13) and those are filled up by the two hoses with the filters mid-hose that go to each carb. The fit is tight and a pushing --- twisting motion works well. This website is awesome. com: Universal 4mm ID Carburetor Vent Hose Lines Overflow 10'ft Kit Keihin Mikuni Carb Mx ATV Max-Motorsports (Replica Pink), Various (UNI10) : Automotive. My '98 didn't have a hose on the right side of the carb (large right angled tube) but I added a hose there and ran it to the breather box tube, actually drilled a hole for that hose in the rubber tube for it, pushed it in there. I just have to get the hoses now and that one way valve. PLATE, VENT HOSE SCREWS, BOWL O-RING MK-TMX38-48 2-Stroke Applications: 2005 This carburetor kit is for exclusive use in a motorcycle equipped with a TAKEGAWA-made Sudco International Corp. Subject: Vehicle Parts Diagram If you're looking to replace your OEM carb with a genuine Mikuni carb, you'll find Niche Cycle Supply and MAP Cycle will have what you need. If you have the 90 degree petcock fittings I recommend coming off the right petcock, going around the back side of the carb, put the "T" fitting directly over the carb's fuel input nipple with a short piece of fuel line between the nipple and the "T", then continue to the left petcock; making sure that the fuel line does not make contact any point that can start-up an Learn all about the Mikuni CV carburetor diagram and how it works. 01. Vent Hose: View Part: 40: VM38/09: VM38 Jet Extender, Hex Main Jet: View Part: Alrighty then fellow Mikuni sufferers, it's time to spread some info on the "neglected" carburetors, the Mikuni BS28s as fitted to the XJ550s, both Seca and Maxim. in addition, there is one (smaller) vacuum line from the top of carb #3. MAP Cycle has been providing vintage, British bike enthusiasts with parts (including Mikuni carb kits) for over 45 years, while Niche Cycle provides parts for Japanese, German, Italian, Spanish as well as By studying the Mikuni VM carb diagram, riders can gain a better understanding of how the carburetor works and make adjustments to optimize engine performance. Mikuni’s VM Series round slide single carburetors have proven themselves as the performance Looking for a Mikuni carb fuel line diagram? Learn about the different components and fuel line routing for Mikuni carburetors. Home FAQs/ tuning Contact us Shipping expedited* International shipping Search. Check Details Mikuni Carb Schematic / Suzuki DR400S 1980 (T) CARBURETOR - buy In some cases, it's best to just replace the carburetor. 00 carburetor rebuild kit which Amazon. Notes are included on modifying parts like drilling holes and using lighter springs. Hose, Overflow 888-23022 002-480: 30. Delivery time: In stock and ready to ship. Main Air Jet BS30/97: 16. Loosen the band clamp with a 3mm allen head holding makes me feel a 100 percent better knowing that they don't really mean ****. Washer, Needle Valve Seat VM26/25 002-188: 31. Dealer's Application PLATE, VENT HOSE SCREWS, BOWL O-RING MK-TMX38-48 2-Stroke Applications: 2005-2017 Yamaha YZ 125 2017-2018 KTM 125, 150, 250,300 2017-2018 Husqvarna 125, 150, 250,30 2001-2006 Suzuki RM 125 2003-2005 Kawasaki 125 18 19 20 23 IDLE SCREW MIKUNI) CARBURETORS 10 REPLACEMENT JET Due to varying model requirements, this kit does Another way to identify a Mikuni carburetor is by its connection to the engine. We are your #1 source for Mx Check in the following carburetor hoses diagram. (10mm) 3. A huge number of vintage bikes come equipped with the good old round-slide HSR Early Version Carb Parts; HS40 Early model Harley Carb. 028 007-630: 74. The good thing is gave me the original OEM Mikuni carb that came with it. Fits Mikuni Super BN38, BN44 and BN46 plus also BN40I Square pump styles. s' co assy x —65 54— 46 —75 4 ass' . a family-owned and operated small business since 2000 in the USA. cleaning reassembly special 00 . TM24-8001 Mikuni TM 24mm Flatslide Carburetor | Mikunioz. ) thanks in advance. The second pump (B) was plumbed to the scavenger tube which was an aftermarket install on the side of the carburetor, and returned back to the fuel tank on the front of the chassis. Find the information you need to properly install and connect fuel lines. It is a dual cable carb and works Notice on Carburetor Installation, Tuning and Repair 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 Need Diagram of 951 mikuni carb lines Thread starter Superneil018; Start date Aug 5, 2011; Status Not open for further replies. Please click HERE for an exploded view drawing of the Solex DIDTA carburetor. It's sucking dirty air in the carb all the time. This is a Mikuni 42mm CV Carburetor. The air flows faster in the TM series and the flat slide design blocks the jet helping to create a smooth bore effect. The drawing will open in a new window. More details. Remove the seat 2. Align the carb Ever wonder how a carb works - I'll explain it. 5 turns out, pilot air jet is 110 - Float Mikuni PHH Carburetor Parts. Main jet - 4/042: 28. Professional mechanics used to draw a lot of diagrams, but these days, they take Genuine Mikuni INDIVIDUAL PARTS FOR 38/44/46/40i MIKUNI SBN SUPER BN CARBURETOR. Drain Plug TM38/44 002-483: 33. You can also find jets and parts easily. Email: sudco@sudco. Starter Jet VM17/1002: 75. Anybody have a diagram showing the complete vacuum tube layout for the mikuni-solex carb on the 88 ram 50? and/or the By chatting and providing (plugged hoses, hoses connecting to odd ports, etc. So do you know what hose #31 hooks up to? Carburetor Suzuki LT-F400F Eiger 400 4x4 (K7) 2007 OEM Parts - Cheap Cycle Parts Thanks! Mikuni HS40 Tuning Manual, Exploded View and Parts List Figure 1: Diagram showing the effective range of the each tuning component of the Mikuni HS40 carburetor IDLE CIRCUIT (PILOT SYSTEM) The idle circuit supplies fuel at idle speeds and has a major influence on fuel flow up to 1/4 throttle. Mikuni flat slide carburetor diagramMikuni vm28-418 exploded view Mikuni carburetor vm 42mm sudco carbs springs 20vm sponsoredMikuni carburetor product catalog. On my machine hose #31 just dead ends under the seat on top of the air box. 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 The document provides specifications for carburetor tuning on a Mikuni BSR 42mm carburetor including: - Main jet is a 150, pilot jet is 45, needle jet is 6CGY07-060-3, pilot screw is set to 2. Specialities include: auto detailing, Car, Electronic Musical Instruments, Honda, String Instrument, Toyota. Hi guys. And the two hoses that are being held by the hook (9) are the carb float bowl overflow hoses that go to the ground. There are three tunable parts in the idle circuit: cut them to length. Screw, Float Bowl C2-0412-B 007-201: 73. Mikuni carburetor throttle sr500 startingSuzukisavage. On the pump side (the one with the hose ports) the distance between the 4 screws will be 44mm centre to centre on the short side and 53mm on the other. Annalise Kozey 16 Aug 2024 . In this video, I tear down a Mikuni carburetor from a 2002 KX125. This part contains all of the components that help mix air with Looking for a Mikuni carb fuel line diagram? Learn about the different components and fuel line routing for Mikuni carburetors. Screw, Air Funnel VM38/133 002-749: 14. Changed: all seals, o-rings, needles, nee This Mikuni rebuild kit is for one Super BN JetSki carburetor. Helpful items I found to have around: 40 mikuni carb rebuild diagramMikuni tm33 rebuild kit mk flat carb slide mikunioz shop Mikuni vm34ss a guided tour42mm mikuni carb diagram. pdf: Mikuni VM18-319 Carburetor Rebuild Kit for Yamaha ATV Applications: 2004-2013 Grizzly 125 1989-2004 Breeze 125 1992-2000 Timberwold 250 ATV and clips as well as new external items Like other Mikuni carburetors, the TM Series 33mm improves throttle response on motorcycles. FREE SHIPPING ORDERS OVER $99 Hose 888-23026 (SKU 007-608) 110. VM Carburetor Exploded View Part Diagram with/ Rebuild Kit VM26-606 - Rebuild Kit VM26-606 PDF • Rebuild Kit VM26-606 JPG VM "Round Slide" Tuning Manual (1. Add to cart. Screw, Needle Valve Holder VM13/216 007-174: 72. Pin, Float BV26/22 002-107: Mikuni Carburetor Hose Diagram. JET NOTE If needed, refer to the following Mikuni Part numbers when acquiring these jets: Main Jet: N100604-XXXX Pilot Jet: N151067-XXXX MIKUNI AMERICAN I , , I , www. The smaller bore handles the primary or "idle" circuit, while A Mikuni flat slide carb diagram is a visual representation or schematic that shows the different parts and components of a Mikuni flat slide carburetor. Understand the different parts and their functions in this detailed guide. Inspect the manifold seal for damage. This knowledge will enable you to fine-tune the carburetor for optimal Customer: 1998 king quad mikuni carb. —35 319 c) 44 sheet model 28 08050- - 32dld remove air hose, between reed valve and air cleaner at the reed vavle side, then plug the air inlet of the reed valve. ALL PIECES SOLD EACH. TM36-68 Carb Parts; TM40-6 Carb. TM33 Carb. The diagram provides a detailed visual representation of the internal components and their functions, making it easier to identify and fix any issues that may arise. 3,905 satisfied customers. If you still leak, its time for a $ 15. Pilot jet -VM22/210: 27. Thanks alot. housing length; Made in Japan; Product Note: Specification Details; Carburetor Type but i think i may have misrouted some of the fuel lines from the mikuni carbs. A. By adjusting the position of the needle, riders can fine-tune the carburetor’s performance, making it suitable for various riding (mikuni) solex carburetor early general exploded view the design and parts shown wu vary to individual units covered on this instruction s'€et. A new carb is 30 to 50 bucks on amazon (if yours is a Bayou 220). Wow! that has to be the most detailed vacuum diagram on the vacuum setup I have seen, sorry for the quick threadjack but what book is that from? my factory chrysler books only show the functional schematic showing how the system works. Tel. Insert the carburetor into the manifold. Float, Right Side 859-52020 002-481: Mikuni jets RS carb carburetors and parts . Tuning tips are also discussed such as setting the idle screw, pilot jet, and main jet based on the engine Buy Mikuni Vent Hose starting at $13. adjustments speeo ano off speed and setting proceoune sptto fns A short video from MonsterGY6 showing how to hook up the vacuum lines from the inatke manifold to the carburetor and Mikuni fuel pump Mikuni RS Smoothbore Kits; RS Carb Accessories; RS Carb Features; RS Carb Parts; TM Flatslide Pumper Carbs. jubilee11-13. I'm pretty sure that's not what it's supposed to be doing. com HEAD OFFICE: 8910 AVENUE NORTHRIDGE, CALIFORNIA 91324 Mikuni RS Smoothbore Kits; RS Carb Accessories; RS Carb Features; RS Carb Parts; TM Flatslide Pumper Carbs. The previous owner put a ebay carb on it (no name brand, likely Chinese). Here's a general overview: Description: 28/32: These numbers generally refer to the diameters (in millimeters) of the two throttle bores. I plan on going through the Mikuni, cleaning it, new pilot jet from Jets R Us, new gasket etc. Author Prof. i need hose connection diagram. CV Carb Video 1. A 12 inch piece of fuel line, and hose clamp, is included with each carburetor we sell. 1. david. Identifying Parts: The LTZ 400 carburetor diagram allows you to identify and the carburetor is mounted. On the right side (right side being your right when sitting on the bike seat facing forward) there is two hoses: A big black right angle hose (shown as number 1 Air vent hose in the bottom diagram). The carburetor bowls need ventilation in order that the float assemblies work properly. Hose Clamps: Hose clamps are used to secure the fuel line to the carburetor and the fuel tank. On this page you will find all currently available parts for the Mikuni PHH range carburetors. 0600. Spring, Idle Adjuster 730-07008 007-602: Mikuni 42mm exploded hs409+ mikuni carburetor hose diagram Mikuni btm carb parts diagram5+ mikuni carb fuel line diagram. ethanol resistant hose. Float, Left Side 859-52021 002-482: 32. Remove the hose and rubber connector protruding from the shifter side of the airbox. Description Related Items Genuine Mikuni HSR42 and HSR45 Rebuild Kit. By adjusting these jets, riders can fine-tune their carburetor to suit specific riding conditions and performance preferences. Pull the carburetor and take the float bowl off and we can likely guide you. 9508469614444. mikunipower. Read more. Dealer's Application Mikuni jets TM33-8012 carb carburetors and parts . I guess that's the only one you need for it to run. The Mikuni VM22 carburetor diagram is an essential tool for understanding and troubleshooting this popular carburetor model. The Kit replaces vital components in the All things considered, the round-slide Mikuni is an excellent carb, with a wide range of tuning capabilities. Troubleshooting coolant hose There are five hoses off the carby. Pilot Air Jet BS30/97: 15. TM28 Plate, Hose Retaining: View 2002 Bayou 220 Carburetor Parts Diagram Author: Kawasaki Motors Corporation U. Parts mikuni tm24 carburetor 24mm flatslide vm24 mikunioz Mikuni carb schematic jet air circuit idle motorcycle noobie airhead question chart papan pilih Mikuni carburetor schematic carburetors 48mm. Exploded mikuni vm28 Mikuni HS40 Tuning Manual, Exploded View and Parts List Figure 1: Diagram showing the effective range of the each tuning component of the Mikuni HS40 carburetor IDLE CIRCUIT (PILOT SYSTEM) The idle circuit supplies fuel at idle speeds and has a major influence on fuel flow up to 1/4 throttle. com. liinh jxcdy blvoo viotss ouubof wxyay aax rguaamjdd egeo jypsn