Mikuni hsr42 tuning manual Installation Instructions. A. I'm just tuning my hsr 42 on my 1250 build with 570 cams and came across this. Install the Mikuni spring and plunger onto the Harley choke cable. Your Mikuni HSR comes from the factory with the tuning parts we found to work with the great majority of engine performance modifications. $26. Mikuni HSR 42 45 carburetor tuning. Please note that there is no point in attempting to tune any carburetor Here’s our simple outline for basic tuning to get you started. Started by Scootrskum, October 02, 2010, 06:02:11 PM. There are three tunable parts in the idle circuit: Nov 20, 2024 · Mikuni HSR. 640 cam, . spring has sprung!! 2024. This carburetor comes with a pull choke, plug, needle and seat pre-intalled. Jul 13, 2018 · Here's the other issue I'm having with my 06 Speedmaster . Started by timvan, March 25, 2009, 05:58:02 AM. Please note that there is no point in attempting to tune any carburetor www. May 6, 2018 · The kit is called the Mikuni Mileage Kit and there are separate kits for the HSR42 and 45 carburetors because the needles are different. 7M . I bought a hard copy of the Mikuni 5th edition tuning manual which includes all of the Mikuni carbs and a parts lists for each one. You need to work with one circuit at a time. Das ist jetzt recht grob dargestellt da im Manual noch viel feiner erklärt. Check out my Ebay Store for more Service Manuals. They have been leaking gas since I bought the bike . So far so good has much improved the power and throttle response. Going fast has never been so easy. The kit includes a Mikuni HSR42mm Carburetor with choke cable bracket, a specially designed Mikuni 1/2″ drop down manifold, a heavy duty manifold to carb rubber mounting flange, some jets for tuning, plus an air-cleaner adapter for mounting any Harley Davidson Keihin CV or S&S shorty air-cleaner. Description Related Items Mikuni carburetor 42mm for Mud Buddy outboard motors with a single carb kit installed on a large block vanguard engine. However, since many Harley-Davidson motors are often highly modified, alternate tuning settings may be required. Mikuni's HSR42, carburetors are the finest VTWIN carburetors made today. May 10, 2000 · Remove the Mikuni spring and plunger from the Mikuni carburetor. Carburetor Carb Parts List and Tuning Manual HERE. These carburetors are set up and jetted properly for most applications, but may require alternate tuning settings for highly modified motors. That would be a good starting point. It includes tuning methodologies, necessary adjustments, and consideration for different engine conditions, as well as guidance for troubleshooting performance issues. It is instantly accessible and covers all May 5, 2007 · hsr 42 jetting I just did a overhaul on my carbed 01 flht as follows. 1) Idle Circuit: With your idle circuit, start at 1 1/2 to 2 turns out on the mixture screw and then wind your idle screw back to give a very slow idle whilst at operating engine temp with the bike upright. Tuning Manual. If you've had your Mikuni carburetor for several years now or if you need to repair it, replace the components that are more likely to wear out over time. Anyone running this lean? I could POSSIBLY see a 22. I'd make observations, adjustments and then go to a dyno for 3 pulls. The jet needle and needle jet restrict the amount of fuel getting into the engine until about that point. Apr 1, 2021 · Mikuni HSR Series Carburetor Tuning Service Manual manuals_contributions; manuals; additional_collections Item Size 20. Dec 1, 2022 · Mikuni Tuning Manual PDF - Tuning Mikuni Carburetors SpeedMotoCo offers the entire line of Mikuni Carburetors. ” When re-tuning is required, it usually involves small alterations to the idle and/or main system. That 24mm Mikuni that needs replacing on your 2005 Yamaha TTR125 isn't exactly the same as the VM24 aftermarket replacement carburetor sold by Niche Cycle. The pilot jet controls the total amount of fuel passing through the idle system. 5. This rebuild kit includes an exploded view diagram of th Sono disponibili i seguenti manuali in pdf: Mikuni HSR42 Carburetors Tuning Manual. I think ive got my air screw and idle set pretty mint, as well as my acc pump. Feb 8, 2025 · For sale is a OEM Mikuni Hsr Carb Tuning Manual . This ebook, presented in a PDF format ( PDF Size: *), is a masterpiece that goes beyond conventional Brand new 5TH edition Sudco Mikuni tuning manual. Please note that there is no point in attempting to tune any carburetor Tuning the Main jet You could in fact remove the main jet from our Mikuni HSR42 and the engine would run ine until the throttle was near the 3/4 mark. TheMikuniTuningManualhelpsmakejettingalterationsandadjustmentsaneasymatter. Figure 1: Harley nut with Mikuni Description. Carb Kit : 42-11 All Carbureted 1200 Buells. com 2 days ago · Mikuni HSR 42 tuning question. 5 pilot and maybe the 98 needle and #60 accelerator pump. Revised 02/10/03. Just upgraded my carb on my 94 softail from a stock cv to a mikuni. Most hiccup problems I see with these are from the accelerator pump not being adjusted correctly. Jun 10, 2011 · For an in-depth look at the popular Mikuni carburetor, look no further than this essential manual from Sudco International ÿ ÿThis edition is a compilation of official Mikuni tuning manuals combined with years of hands-on tuning experience ÿ ÿTroubleshooting, synchronization, jetting - it's all here, complete with exploded views and parts The document provides tuning instructions for Mikuni HSR carburetors, noting that the carburetor may require tuning to suit an individual engine depending on modifications like exhaust systems. Don't fall for the cheap knock offs. Purchase a Mikuni HSR42 'Easy' Carburetor Kit (400-584) from J&P Cycles, your source for aftermarket Kits include carburetor, adaptors and detailed Nadel ist dann tiefer im Düsenstock und dadurch weniger Sprit. Mar 23, 2009 · installing and tuning a Mikuni HSR42 carb on my 1340 EVO - FXR4 (with pics) Started by fxr4mikey, March 23, 2009, 08:01:17 AM. Our favorite carburetor for your everyday performance needs. 5 main jet on a JOST powertube (jet extender Feb 21, 2020 · The HSR-42/45/48 for big twins all came with a -25 intermediate jet. I replaced the needles and seats set the floats to 18mm specified in the Mikuni tuning manual but both still leak gas on and off . HSR. NOTE:CarburetorKitsnotdesignatedasC. 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. carb. The following pages supply enough information to make such alterations relatively simple. We have a link to the Mikuni Tuning PDF Below. 99. Use masking tape on the grip and an indicator mark on the throttle housing. For the main system, it explains how to tune the jet needle to balance the air Mar 22, 2024 · This Mikuni HSR carburetor kit is designed to be a bolt-on application, and as such, is set-up and jetted properly for most applications. Find top brands, exclusive offers, and unbeatable prices on eBay. I know I'm MAYBE a little rich with the 25 pilot and maybe the 70 accelerator pump could drop to 60 but this setup seems too lean. This document discusses Mikuni BS34 carburetor tuning. $28. Install the new assembly into the Mikuni. Mikuni’s HSR42 carburetor has been fitted to many thousands of Harley-Davidson motorcycles by moderately experienced owners. Now, you don't say if you put it on or it came with the uses bike. 5:1+, S&S . Tuning the HSR42/45/48 Carburetors. Adjustments (See The Manual For Details): 1. org. A properly jetted Mikuni HSR carburetor also delivers excellent fuel mileage. Proper free play in HD cable (mikuni doesn’t fit as well between my engine). Da ist alles schön erklärt. If you work on cycles or snowmobiles, you need this book. 6. (have one on order) Mikuni HSR42 Easy carburetor kit - The Mikuni HSR 42 Easy Kit dramatically improves the power of the Harley-Davidson Sportster (94-03) 1200cc engines and delivers unmatched throttle response and accel This Mikuni HSR42 Total Kit suits all Harley Davidson Shovelhead models. Sudco International is the world's leading source for Mikuni Carburetors, Parts and Tuning Components for any motorsports application. www. Mikuni Hsr42 Tuning Manual: Harley-Davidson Sportster Performance Handbook, 3rd Edition Buzz Buzzelli, Sportster conjures an image of a fire breathing mechanical beast scorching the world s tarmac With advice on the proper mechanical massaging and diagrams and 42-11 Mikuni HSR Kit 1994 to present Harley Sportster & Buell $ 595. Du hast zur Zeit mehrere Probleme, oben fehlt Leistung sprich Sprit und unten und in der Mitte läuft sie zu fett. Yes the aftermarket carb will work great, but it isn't identical. Schau mal ob du im Netz das Mikuni Tuning Manual findest. 48-2P Mikuni Kit (Chrome & Polished Carb, Jets & Mounting Flange) $ 710. best of luck 2001 FXDXT (S&S SA 126ci motor, stroked to 131) mikuni 48, B2 heads, 11. This document provides instructions for tuning a Mikuni HSR42/45 carburetor installed on a Harley-Davidson motorcycle engine. TUNING THE IDLE SYSTEM: (Idle – 1/8 throttle) The HSR42/45 idle system has two tunable components: the Pilot Air Screw and the Pilot Jet. Mar 14, 2024 · Hi everyone this is my first post on here. Please note that there is no point in attempting to tune any carburetor This document provides instructions for tuning a Mikuni HSR42/45 carburetor installed on a Harley-Davidson motorcycle engine. Good. For the main system, it explains how to tune the jet needle to balance the air Original Mikuni HSR42 (42mm) carburator for Evolution Big Twin 84-99; They give superb throttle response and deliver all the air flow needed for any level of Harley performance. It comes Complete with jetting and mounting kit, Tuning manual and the famous weber Specialties Guarantee and expert advice. Mikuni HSR Harley Davidson Carburetor Tuning Manual Mikuni Super BN Watercraft Carburetor Tuning Manual This 26 page Mikuni Carburetor Tuning Man. MIKUNI HSR42/HSR45/HSR48 Genuine Mikuni! Fits all HSR series carbs Rebuild kits available here! Made in Japan Click here for a HSR tuning and initial set up manual Standard / Factory jetting : HSR42 = 20 pilot / 165 main / 97 needle HSR45 = 25 pilot / 175 main / 97 needle HSR48 = 25 pilot / 190 main / 97 needle Nov 4, 2021 · Do a google search for the hsr42 tuning manual. Mikuni Carb Kit Installation and Tuning Instructions - Updated 2/4/20. More pictures, 8 more pages. Up for Sale is This Great for gift Giving! Mar 13, 2019 · Buy Carbman HSR42 Easy Kit Carburetor 42mm, Replacement for Evo Twin Cam 42-18 for Mikuni Carburetor HSR42 Carb: Carburetors - Amazon. By comparison, a Mikuni HSR42 will easily support 110hp, an HSR45 will easily support 130hp, and we've made over 150hp using an HSR48. Tuning your carburetor after installing aftermarket parts is crucial for maintaining peak performance. What kind of Mikuni do you have? You may not know it, but not all Mikuni carbs are the same. This manual provides detailed instructions for tuning Mikuni HSR 42 45 carbs to match aftermarket parts that may be installed on your machine. These instructions are primarily for the dual carb kits as used on Volvo 544, 1800, 122, and 140, MGB's, TR4's, etc. This manual provides detailed methods for tuning Mikuni HSR 42 45 48 carbs to match aftermarket parts that may be installed on your machine. Mikuni’s Big Twin and Sportster/Buell Easy Kits even use your bike’s existing manifold, choke cable and air filter. Jun 23, 2024 · -changed from HD to Mikuni choke cable and back a few times. 5:1 corrected, the Mikuni HSR42 carb has 162. -checked float level. 5to 1 pistons-Andrews 26g(gear drive)cams,Feuling oil pump and cam plate, hsr 42 mikuni,Rinehart true duals. Mar 18, 2011 · For years I struggled for a Nirvana tune using Mikuni's manual and their techniques. That HSR42 was pretty close to perfect right out of the box for a mild 80". 679 at valve w/. pdf File. where they are used as a direct replacement for SU or ZS carbs. pdf Manuale 2 Tuning the HSR42/45/48 Carburetors Eagle parts as a “reality check. Mikuni HSR42,45 and 48 Carburettors. Feb 21, 2016 · Mikuni has there tuning manual that will get it pretty much spot on without a dyno. From your vintage motorcycle to modern HSR42/45/48 Carburetors (General Tuning Procedures) General Tuning Procedures Your Mikuni HSR42 is itted with the tuning parts we found to work with a majority of engine tuning combinations. 00 AUD genuine mikuni hsr 42,45 & 48 tuning manual. 00 AUD Wow ok. However,sincemanyHarley-Davidsonmotorsarehighlymodiied,re-tuningmaysometimesbe necessary. 4) But there are a lot of adjustments if you want to tweak Mikuni Hsr42 Tuning Manual: Harley-Davidson Sportster Performance Handbook, 3rd Edition Buzz Buzzelli, Sportster conjures an image of a fire breathing mechanical beast scorching the world s tarmac With advice on the proper mechanical massaging and diagrams and MIKUNI HS40 CARBURETOR TUNING Manual Exploded View and Parts LIST. Warm it up and adjust the idle screw to get the highest rpm. 00 AUD – $ 1,795. 725 rockers. com FREE DELIVERY possible on eligible purchases Explore a wide range of our Mikuni Hsr 42 Manual selection. motohelp mikuni carburetor hotline 818-574-3330. 99 $37. These are the real deal! 5 Circuit adjustable carb Available in standard or highly polished finishes HSR Nov 19, 2012 · As far as jetting on your Mik, download the tuning manual from the Mikuni website. May 10, 2000 · For the quickest and most accurate results when fine-tuning your HSR, we recommend using “witness” marks on the throttle grip and throttle housing. Adjust the accelerator starting point so that the pump starts working immediately. Somehow it may not be seating but how can I even check that now? It has all the symptoms from the manual. 00 AUD; EFI Injection to Mikuni HSR Polished/Chrome 45 Conversion Kit, Harley Twin Cams $ 1,875. There are three tunable parts in the idle circuit: Top brands. The kit includes a customized Mikuni HSR 42mm Carburetor where for rockerbox oil line clearance we have re-manufactured this carb, lowering and moving the throttle cable connection to the left-hand side of the carb. 0 Members and 28 Guests are viewing this topic. Mikuni Carburetor Hsr42 48 Tuning Manual: Donny’S Unauthorized Technical Guide to Harley-Davidson, 1936 to Present Donny Petersen,2014-07-01 Do you want to make your Harley Davidson run faster Author Donny Petersen with more than forty years of experience working on and Tuning the HSR42/45/48 Carburetors Eagle parts as a “reality check. They give superb throttl Immerse yourself in the artistry of words with Crafted by is expressive creation, Discover the Artistry of Mikuni Hsr42 Tuning Manual . Swap pilot jets only if you need to, per the tuning manual idle section. R. For the Hsr42 Hsr45 Hsr48 It is in Good Usable Condition . 95" Keith black 9. This Mikuni HSR carburetor kit is designed to be a bolt-on application, and as such, is set-up and jetted properly for most applications. But I've already down loaded the stuff from Mikuni(thanks Tom) I did learn something interesting,The CV choke will fit the Mik. MIKUNI HSR42 TUNING VERGASER Aufbauend auf den Erfolgen des HS40 entwickelten die Techniker von Mikuni den HSR42 Vergaser. I actually did the throttle position marking as suggested in the Mikuni manual. Instant access to download manuals at emanuals. 00 AUD; 45-4 HSR Mikuni Total Kit, 99up Harley Davidson Twin Cam Models $ 995. For Mikuni carburetors 42 mm and 45mm. I have a 20 pilot, 50 accelerator pump nozzle, stock needle with clip in the middle position,and i live a about 2000 feet above sea level . , but it doesn't seal according to Mikuni. Mikuni’s HSR Total Kit dramatically improves the performance on all Harley-Davidson engines and delivers unmatched throttle response and acceleration! The kit includes a Mikuni HSR42mm Carburetor with choke cable bracket, a specially designed Mikuni 1/2″ drop down manifold, a heavy duty manifold to carb rubber mounting flange, some jets for tuning, plus an air-cleaner adapter for mounting any Harley Davidson Keihin CV or S&S shorty air-cleaner. Mikuni Hsr Carb Tuning Manual 42 45 Tuning the HSR42/45/48 Carburetors Eagle parts as a “reality check. The HSR carbs are generally tuned pretty darn close right out of the box. Mikuni HSR Total Kit 42-8 for 1984 thru 1999 Harley Davidson Evo Bigtwin Models. It also discusses identifying Jim2, Thanks for the heads up on Craigs List, looks like a good deal. There is no point in changing main jets if a mixture problem exists below the 3/4 Mikuni HSR42 / HSR45 / HSR48 series carburetors are simply the best. 00 AUD formanyapplications. Available individually, as bolt-on kits that retain your bike’s classic look, or as complete kits for serious performance enhancement. Im pretty experienced with pumper carbs Mikuni HSR Carburetor Tuning Manual Mikuni VM Round Slide Carburetor Tuning Manual Carb Kit 34mm Single Horizontal Small Block Vanguard Installation Instructions Carb Manual Thank you very much for downloading mikuni bst 33 ss manual. Weber Specialties are now offering Aftermarket Mikuni HSR 42 Harley Davidson Carburettor. The kit is called the Mikuni Mileage Kit and there are separate kits for the HSR42 and 45 carburetors because the needles are different. exempt,arenotlegalformotorvehiclesoperatedonpublichighwaysin Tuning the HSR42/45/48 Carburetors Eagle parts as a “reality check. Complete parts list plus instructions and tuning tips, 100 pages of easy to read information. -read the manual 20x and scoured the internet. I virtually got nowhere. This is an excellent resource for tuning or jetting your Genuine Mikuni Carburetor. 99 $35. Results 1 - 16 of 284 — This manual is intended as a guide for users of Mikuni carburetors who Read Online Mikuni Bst 33 Carburetor Service Manual Mikuni Bst mikuni hsr42 tuning manual. ClassicCycles. But for 75 bucks (round here) you can put it on a dyno and in 2-3 pulls have it done. From the Mik HSR Tuning manual (available for download from the Mik website): TUNING THE IDLE SYSTEM: (idle – 1/8 throttle) The HSR42/45 idle system has two tunable components: the air screw and the pilot jet. Last year late in the season I invested in an A/F ratio gauge kit. Just off the press is their new 96 page 5th Edition Sudco Mikuni Carburetor Manual featuring the complete line of Mikuni RM, VM, HSR, HS, TM, TMX and BN Carburetors and Fuel Pumps with Parts Breakdown Diagrams, available Tuning Components, Tuning and Setup Tuning the HSR42/45/48 Carburetors Eagle parts as a “reality check. The air screw’s purpose is to fine-tune the idle mixture. Thanks for looking. Die Entwicklungsabteilung bei Mikuni hat sich drei Jahre lang mit der Frage beschäftigt, was denn wohl ein "Street-Performance" Vergaser ausserdem für Optionen erfüllen sollte. Addeddate 2021-04-01 21:11:25 Feb 10, 2003 · Tuning the HSR42/45/48 Carburetors Eagle parts as a “reality check. Sep 6, 2017 · :chopper: I have a Mikuni HSR 42 fitted to my 2003 FXD Twin Cam the engine has been bored to 95'' (1550cc) has Andrews TW27 cams, the heads have been ported, flowed and cc'd to street port plus spec with big valves to match the cams, compression ratio is 9. It describes the four tuning systems of the carburetor and provides guidance on adjusting the idle system, jet needle, and identifying rich or lean conditions to tune the carburetor as needed. Please note that there is no point in attempting to tune any carburetor HSR 42 carbs – May 1999 to present: HSR 45 carbs – April 2000 to present HSR 48 carbs – All: Click here or on link above for (earlier versions – LH throttle) HSR 42 carbs – 1994 to April, 1999: HSR 45 carbs – up to March 2000 MIKUNI PAT UPGRADE: INTRODUCTION Installation of the Mikuni PAT Upgrade kit is straight-forward in that no special or unusual procedures are required. 00 AUD – $ 1,895. I mounted the sensor in the front pipe about 3 inches from the exhaust port. 00 AUD; Injection to Mikuni HSR 42 Conversion Kit, Harley Davidson Twin Cams $ 1,775. Mark the tape in 1⁄4 throttle increments from idle to full throttle. Previous topic - Next topic. Mikuni Tunning Manual The Mikuni HSR 42-18 and HSR 42-7 are designed to be bolt-on applications for Harley-Davidson motorcycles. It tells the right way to do plug checks for jetting and the other settings. The kits come with simple installation and tuning instructions. Please note that there is no point in attempting to tune any carburetor Tuning the HSR42/45/48 Carburetors Eagle parts as a “reality check. The Mikuni Tuning Manual helps make jetting alterations and adjustments an easy matter. Preview File. Mikuni Carburetor Hsr42 48 Tuning Manual: Donny’S Unauthorized Technical Guide to Harley-Davidson, 1936 to Present Donny Petersen,2014-07-01 Do you want to make your Harley Davidson run faster Author Donny Petersen with more than forty years of experience working on and Kits include HSR42 carburetor, performance intake manifold, free flowing K&N air filter assembly, chrome air cleaner cover, adaptors and detailed installation and tuning manual; Fits all carbureted Twin Cam models This Mikuni HSR42 Easy Kit suits all Harley Davidson Shovelhead models. Erastos Steinn: Mikuni Bst 33 Ss Manual Pdf PDF Online. Feb 10, 2003 · Tuning the HSR42/45/48 Carburetors Eagle parts as a “reality check. This book covers the following Mikuni […] The Mikuni choke cable is more flex-ible and less likely to jam. The Mikuni HSR Tuning Manual helps make jetting alterations and adjustments an easy matter. The document recommends settings for adjusting the idle mixture screw and checking for air leaks if idle remains too high. Start with the idle. It discusses the carburetor's four tuning systems: choke, idle, main, and accelerator pump. Description Related Items Genuine Mikuni HSR42 and HSR45 Rebuild Kit. Change nothing else; be sure to use the Harley plastic nut, not the Mikuni nut. Mikuni HSR42,45 and 48 Carburettors To select a Harley Davidson HSR or HS40 Carb Kit, Parts or Accessories, “HOVER” over Harley carbs on the menu to the left of the screen and click on your relevant selection from the drop down list. 18mm. There should be a blue card with Mikuni Recommended jetting for the Twin Cam 88 engine. It includes clear diagrams and text to assist you in optimizing your machine's performance. I suggest you confirm what needle, needle jet, nozzle and main jet are in that carb and then base line that carb to its factory configuration. Really though, the stock jetting that comes with a Mik 42 is pretty close for most engines unless your exhaust is like drags or something with little or no restriction. It provides guidance on interpreting idle RPM fluctuations as an engine warms up and potential causes of high idle such as lean conditions from adjustments, air leaks or dirty passages. This book covers everything the 4TH edition did plus more. Feb 8, 2017 · Put the stock needle back in in the middle notch, along with a 25 pilot jet and a 165 main jet. Nov 4, 2021 · The Mikuni HSR 42 Kit comes with extra jets and a Tuning Manual. . 00 AUD; 48-2 Mikuni HSR Kit (Natural Finish Carb, Jets & Mounting Flange) $ 595. 2. We can jet your carbs to your specs or we can pull from our 30 plus years of carb tuning and get you set up. This tuning manual provides instructions on how to tune your Mikuni HSR 42/45 carburetors. other → Top types Binding machines Boards Calculators Correction media Desk accessories & supplies Dec 5, 2024 · Harley Davidson Sportster HSR42-11 Mikuni Carburetor 1200 Sportster Kit 1994-Present Buell Models 1200 Sportster 1994-2004 2006 Harley-Davidson 1200 Low EFI XLL - - 2006 Harley-Davidson 1200 Low XLL - - 2004-2006 Harley-Davidson 1200 Roadster XLR - - 2002 Buell XB9R Firebolt - - 2002 Buell X1W White Lightning - - 1999-2002 Buell X1 Lightning - - 1998 Buell S1 White Lightning - - 1997-2000 This is a comprehensive factory service repair workshop manual for the Mikuni HSR42 45 48 Smoothbore Carburettor. It can be downloaded for free. Please note that there is no point in attempting to tune any carburetor. It includes information on adjusting the idle, main, and accelerator pump systems, as well as troubleshooting tips for common issues. TheMikuniTuningManualhelpsmakejettingalterationandadjustmentsaneasymatter. Download PDF - Mikuni Tuning Manual For Hsr42_45 Carbs [q6ng9q96y64v]. The number one performance carburettor now slips onto your Harley using the original throttle cables. However, since Harley-Davidson motors are often highly modified, alternate tuning settings may be required. there's more but just say fast and strong! This Total Kit comes with the Polished and Chrome version of the HSR 42 Mikuni carb. Still, it is best to check to be sure the cable is installed correctly. It includes Oct 2, 2010 · Mikuni HSR42 Tuning. Mikuni Parts! Carb Kit: 42-10 1994--Present Sportster. I'd start with the 50 squirter and have the squirt start almost immediately, you will want the pump cam basically touching the pump rod. The Mikuni Total Kit includes carburetor, manifold, air filter assembly, air cleaner cover, hardware and detailed installation instructions and a tuning manual. MAXIMUM adjustability to dial-in your ride to get the optimal performance, throttle response, and appropriate AFR. Be careful to only gently tighten the plastic nut. It takes a while to understand the process, but over time you figure it out. 48-2 Mikuni HSR Kit (Natural Finish Carb, Jets & Mounting Flange) $ 595. Offered in 42, 45, and 48mm throttle bore sizes, HSR Series carburetors deliver better throttle response, more torque, and more horsepower. Then see how many turn out that ends up being. B. Mar 13, 2021 · Mikuni HSR Tuning Guide PDF A detailed manual that provides instructions for tuning Mikuni HSR carburetors, specifically HSR42, HSR45, and HSR48 models. However, the tremendous number of differing exhaust systems and cams available for Harley engines make it impossible to accommodate all possible Feb 21, 2025 · Mikuni Hsr42 Rebuild Kit; Hsr42 Mikuni; Mikuni Hsr 42 Manual; Mikuni Hsr42; Hsr Mikuni; Mikuni Bsr Carburetor; Hsr Carburetor; Mikuni Sbn 44 Rebuild Kit; HS 45 Carburetor; Mikuni Carburetor Rebuild Kit; Mikuni Phh 44; Mikuni Carb Rebuild Kit; Mikuni 44 mm Carb; Mikuni Performance Carburetor; Mikuni Bs34 Carbs Feb 4, 2020 · Mikuni Carb Installation and Tuning Instructions . For the idle system, it describes adjusting the air screw and pilot jet to set the idle mixture. xltaxpmewzeblmgmleeelkeslyuutsiskhoocoyolwibshamflnasfjorzqbbwgchikkfoqcee