Mikuni hsr42 tuning manual Even though page 5 in the Mikuni Tuning Manual states "Raising or lowering the jet needle has no effect on mileage below 70mph" I took the advice given here and raised the needle clip one notch. The air screw’s purpose is to fine-tune the idle mixture. 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. Mikuni SBN Tuning Manual. It comes Complete with jetting and mounting kit, Tuning manual and the famous weber Specialties Guarantee and expert advice. 2. 7M . Please note that there is no point in attempting to tune any carburetor Tuning Tips & Manual Downloads . 00 AUD – $ 1,795. You need to work with one circuit at a time. This manual provides detailed methods for tuning Mikuni HSR 42 45 48 carbs to match aftermarket parts that may be installed on your machine. Check out that manual dude. Change nothing else; be sure to use the Harley plastic nut, not the Mikuni nut. Schau mal ob du im Netz das Mikuni Tuning Manual findest. Carb Kit : 42-11 All Carbureted 1200 Buells. They give superb throttl The kit is called the Mikuni Mileage Kit and there are separate kits for the HSR42 and 45 carburetors because the needles are different. Our favorite carburetor for your everyday performance needs. Adjustments (See The Manual For Details): 1. 48-2 Mikuni HSR Kit (Natural Finish Carb, Jets & Mounting Flange) $ 595. Hello Spring 2025! 818-574-3330. Now, you don't say if you put it on or it came with the uses bike. 4) But there are a lot of adjustments if you want to tweak Feb 26, 2022 · Found HSR Tuning Manual pdf. Up for Sale is This Great for gift Giving! HSR. It includes information on adjusting the idle, main, and accelerator pump systems, as well as troubleshooting tips for common issues. 00 AUD; Injection to Mikuni HSR 42 Conversion Kit, Harley Davidson Twin Cams $ 1,775. Going fast has never been so easy. 1990-95 style throttle cable cables are required. 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. This is a comprehensive factory service repair workshop manual for the Mikuni HSR42 45 48 Smoothbore Carburettor. html Interesting read. A. 8 pounds : Item model number TM42-6 5 days ago · 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 Jul 27, 2017 · The kit is called the Mikuni Mileage Kit and there are separate kits for the HSR42 and 45 carburetors because the needles are different. 95: CC23401: Deluxe Mikuni carburetor HSR42 kit for Evolution® Big Twins1984 thru 1999 - NOT TWIN CAM: $569. Tuning Manual. 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 . Started by Scootrskum, October 02, 2010, 06:02:11 PM. 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. Weber Specialties are now offering Aftermarket Mikuni HSR 42 Harley Davidson Carburettor. Da ist alles schön erklärt. Revised 05/01/02 TM-1. That HSR42 was pretty close to perfect right out of the box for a mild 80". This Total Kit comes with the Polished and Chrome version of the HSR 42 Mikuni carb. 679 at valve w/. 6. 5to 1 pistons-Andrews 26g(gear drive)cams,Feuling oil pump and cam plate, hsr 42 mikuni,Rinehart true duals. Erastos Steinn: Mikuni Bst 33 Ss Manual Pdf PDF Online. Mikuni’s Big Twin and Sportster/Buell Easy Kits even use your bike’s existing manifold, choke cable and air filter. , but it doesn't seal according to Mikuni. Adjustments to main jet, pilot jet and A/P. It is instantly accessible and covers all repair, servicing, and troubleshooting procedures. 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 Air screw are at the bottom back of the intake bell. Just upgraded my carb on my 94 softail from a stock cv to a mikuni. -checked float level. Its says: Pilot Jet Std. Manual Thank you very much for downloading mikuni bst 33 ss manual. Deluxe HSR-42 Mikuni carburetor 1999 to present Twin Cam, Note: Uses your stock throttle cables. HOME; Tutorial videos; MOTOHELP eBay STORE; MIKUNI REFERENCE; Rebuild Kit This document discusses Mikuni BS34 carburetor tuning. Fuel screws are a total different animal and on the top in the front of the carb. Adjustments (See The Manual For Details): Adjust the accelerator starting point so that the pump starts working immediately. 604-165 Main jet for fine tuning The document provides an exploded view and parts list for a Mikuni VM carburetor. 95: CC23445: Deluxe HSR-45 Mikuni carburetor 1999 to present Twin Cam Note: Uses your stock throttle cables. It also discusses identifying Mikuni HSR42 Easy Kit Harley Davidson XL 1000 Sporty (Shovels with mods) $ 665. These carburetors are set up and jetted properly for most applications, but may require alternate tuning settings for highly modified motors. The Mikuni choke cable is more flex-ible and less likely to jam. Versions are available to mount the stock CV40, Mikuni HSR42, CV44, Mikuni HSR45, or Mikuni HSR48 to your bike. Don't fall for the cheap knock offs. 5mm). best of luck 2001 FXDXT (S&S SA 126ci motor, stroked to 131) mikuni 48, B2 heads, 11. There are three tunable parts in the idle circuit: Tuning the HSR42/45/48 Carburetors Eagle parts as a “reality check. If the screw position has been altered, gently bottom it and re-open it two full turns. Swap pilot jets only if you need to, per the tuning manual idle section. Shop Carb Parts : https://www. You have internet, so search Mikuni HSR 42 and you will find very good information there. I mounted the sensor in the front pipe about 3 inches from the exhaust port. However, the tremendous number of differing exhaust systems and cams available for Harley engines make it impossible to accommodate all possible Mikuni HSR42,45 and 48 Carburettors. Apr 7, 2011 #1 Hello I would like to tune Mikuni HSR 42 carburettor 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 May 5, 2007 · hsr 42 jetting I just did a overhaul on my carbed 01 flht as follows. Blog; EC Shop Services; Shipping Policy; Terms Tuning the HSR42/45/48 Carburetors Eagle parts as a “reality check. I actually did the throttle position marking as suggested in the Mikuni manual. Quick Links. I think ive got my air screw and idle set pretty mint, as well as my acc pump. Easy to get to even with the a/c on. Mikuni’s HSR42 carburetor has been fitted to many thousands of Harley-Davidson motorcycles by moderately experienced owners. I cover pre-installation set-up, jets, 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. A/f screw is on a/c side facing rider. Mikuni's HSR42, carburetors are the finest VTWIN carburetors made today. Mar 14, 2024 · Hi everyone this is my first post on here. 5:1+, S&S . how to adjust them to factory, base specs, and a desc Feb 21, 2020 · The HSR-42/45/48 for big twins all came with a -25 intermediate jet. Mikuni Parts! Carb Kit: 42-10 1994--Present Sportster. If you have an intake leak it will skew all your settings. Tuning your carburetor after installing aftermarket parts is crucial for maintaining peak performance. 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. exempt,arenotlegalformotorvehiclesoperatedonpublichighwaysin This manual provides detailed instructions for tuning Mikuni HSR 42 45 carbs to match aftermarket parts that may be installed on your machine. 00 AUD; 42-19 Mikuni HSR 42 Total Kit, Harley Davidson Twin Cam Models $ 895. 00 AUD Description Related Items Genuine Mikuni HSR42 and HSR45 Rebuild Kit. 5 pilot and maybe the 98 needle and #60 accelerator pump. For the idle system, it describes adjusting the air screw and pilot jet to set the idle mixture. For Mikuni carburettors and all associated parts Mikunioz is your first port of call. 604-155 Main jet for fine tuning; N100. Installation Instructions. I'd make observations, adjustments and then go to a dyno for 3 pulls. I virtually got nowhere. 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. Oct 31, 2016 · Manual Decomp Valves DTT TC88 Ignition module Mikuni HSR42 Carb K&N Air Filter SE Adjustable Push Rods Jim's Steady Roll Tappets Andrew's TW37N Cams SE Hydraulic Roller Chain Cam Support Plate with S&S Hydraulic Tensioners & ERT Superpump Kit SE Oil Pump K&P Racing Reusable Oil Filter Energy One Clutch Put the stock needle back in in the middle notch, along with a 25 pilot jet and a 165 main jet. What kind of Mikuni do you have? You may not know it, but not all Mikuni carbs are the same. Carbs will have one or This Mikuni HSR42 Easy Kit suits all Harley Davidson Shovelhead models. Du hast zur Zeit mehrere Probleme, oben fehlt Leistung sprich Sprit und unten und in der Mitte läuft sie zu fett. The pilot jet 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. 00 AUD; Injection to Mikuni HSR Polished/Chrome 42 Conversion Kit, Harley Twin Cam $ 1,880. Mikuni HSR Tuning Manual. . B. 95: $519. 5 main jet on a JOST powertube (jet extender Swap pilot jets only if you need to, per the tuning manual idle section. Most hiccup problems I see with these are from the accelerator pump not being adjusted correctly. Especially with a jet style that wasn't available at the corner bike shop. Jan 22, 2002 · TheMikuniTuningManualhelpsmakejettingalterationsandadjustmentsaneasymatter. Tuning the HSR42/45/48 Carburetors Your Mikuni HSR is fitted with the about a particular exhaust system, tuning parts we found to work with air cleaner or ignition, you may sub-the great majority of engine perfor- stitute the Harley Screamin’ Eagle mance modifications. Nov 20, 2024 · Mikuni HSR. Mikuni carburetor adjusting and tuning. Jim2, Thanks for the heads up on Craigs List, looks like a good deal. MAXIMUM adjustability to dial-in your ride to get the optimal performance, throttle response, and appropriate AFR. 5 to 30 Main Jet Std. I'm just tuning my hsr 42 on my 1250 build with 570 cams and came across this. The Mikuni HSR Tuning Manual helps make jetting alterations and adjustments an easy matter. The kits come with simple installation and tuning instructions. 4"H : OEM Part Number TM42-6 : Manufacturer Mikuni : UPC 172304124819 : Model Mikuni TM42-6 : Item Weight 2. From your vintage motorcycle to modern 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. bmtyh ztqtzpyk elbwh jjb aigiws rwbpq kam cqktjio pdvdf geo utvmge lbvwlk dfxk wbd mcceds