Keihin fcr. I will now write about the specific differences.

Keihin fcr com contributor Mark Barnes tweaks Keihin’s FCR carburetor to gain better performance from his carby KTM. Go to the detailed description page to select your application. Keihin carburetors [ USED ] Keihin carburetors [ NEW ] Keihin FCR parts Keihin CR special parts Keihin PWK / PJ / PWM / PE parts Mikuni carburetors Mikuni parts Mikuni fuel pumps Air filtration Throttle cables & throttle Tuning & service Suzuki DR-Z400 parts Waterpump cooler kits Boyesen JD Jetting S3 parts Beta parts GasGas parts Honda parts Husqvarna parts Kawasaki parts KTM Jetting Keihin Slide Carburetors All Keihin carburetors are pre-jetted for bolt-on operation. We break down the rebuild process of a Keihin FCR Carb and how to adjust your Accelerator pump. Dual Keihin FCR carbs on rails, prejetted to your application K & N air filter Twistgrip (throttle) Throttle cables Adapters for your intake manifolds Adapters for your stock airbox Velocity stacks Instructions I have prepared a supplement to Sudco's installation instructions Keihin original replacement needle valve seats are the best solution for your leaking Keihin FCR or FCR-MX horizontal draft carburetor. Sudco has you covered from motocross to drag racing. Main Function: Professional manufacturing, carburetor maintenance kit help to restore your carburetor to its original power, high performance, strong reliability. FWIW and for the benefit of those still with carbed Ducatis, be it M900, 900SS or any other model converted to Keihin flatslides, here is some info. Smoothbore venturi for maximum air flow. Reliable to Use: Carburetor rebuild kit is manufactured to Jan 8, 2014 · Keihin FCR Carburetors are acknowledged as the leading carburetors in 4-stroke motorcycle racing for their acknowledged performance gains thanks to their precise metering, high flowing flat slide throttle design and adjustable accelerator pump for quick response. S. We have Complete Keihin FCR Carbs parts & upgrades in stock. com Return Policy: Amazon. We have a great online selection at the lowest prices with Fast & Free shipping on many items! 1 day ago · Fuel Mixture Screw for Keihin FCR Carbs. Sudco International, America's motorcycle carburetor experts, have put together a complete line of easy bolt-up Keihin FCR 41mm Feb 8, 2018 · FCR's are very popular with the DRZ400 dualsport crowd. The website offers a variety of carburetor models, including FCR, PWK, and CR Special, along with OEM parts, gasket kits, and custom carburetor sets. AUTHORIZED KEIHIN DISTRIBUTOR AND THE #1 ONLINE SHOP SINCE 2001 FOR GENUINE KEIHIN CARBURETORS MADE IN JAPAN. So I would say no way should gas be flowing out of it. Keihin Carburetors Diagrams Sudco carries the widest selection of performance carburetors and parts from Mikuni and Keihin. Keihin FCR is an online shop specializing in genuine Keihin carburetors and related products, catering to automotive enthusiasts since 2001. Im having trouble with an FCR carb. 00 Upgrade your ZRX performance with these Keihin 39mm Flat Slide carbs. Reference fit models as following. Sold as a kit. The ultimate Keihin FCR MX 41mm quad vent flatslide carburetor! New in box. Perfect fit and functioning the same as OEM factory components. It is commonly used in high-performance bikes, providing optimal fuel delivery and improved throttle response. Choose M4x12 socket head screw in fasteners or FCR-MX Screw M4 x 12mm KEIHIN #0136-806-1100 021-700 8. Choosing a Carburetor Based on Looks How does it compare to fuel injection? For FCR Beginners: Which Racing Carburetor is Best to Start With? Which is better, the Keihin FCR carburetor or the CRS carburetor? Of course, the FCR carburetor. Kits are available for either horizontal draft or downdraft carburetors. These flat slide versions of the famous CR model carburetors work flawlessly across the entire RPM range. Keihin MX FCR with removable air boot. If you are not sure, please email us firstly. -- Precision CNC machined screw for "Keihin" FCR carburetors. New & Refurbished Carburetors / Carburetor Service Custom Keihin FCR builds / Gasket kits Oct 15, 2012 · Cosentino Engineering is proud to announce the release of its Billet FCR Velocity Stacks kit for Keihin 39 and 41mm FCR carburetors. Find many great new & used options and get the best deals for Keihin 39mm FCR Flat Slide Carburetors at the best online prices at eBay! Free shipping for many products! The Keihin FCR flat CR carburetor rebuild kits contain all the necessary genuine Keihin components to rebuild your FCR carburetor. The kit includes: top cover o-ring, fuel joint o-ring, float bowl o-ring, float bowl drain o-ring, accelerator pump u-ring, accelerator pump o-ring, diaphragm, valve seat o-ring, fuel screw o-ring, slide plate o-ring, TPS o Home Keihin FCR-MX Install Suzuki DR650SE 96-2008 (Use your browser's back button to return to this page after viewing link details) Oh yeah, you want this! Turn that anemic DR into a fire breather by pitching the BST40 Mikuni CV carb and replace it with Keihin's much revered FCR-MX series carb. May 8, 2010 · Keihin FCR tuning manual Version 3. I hope it is of value Jul 22, 2019 · About this item Compatible: Built to original specifications and standard, motorcycle carburetor repair kit fits for Keihin FCR Slant Body 28 32 33 35 37 39 41mm Carb. The perfect carburation, the control over mixture parameters are the key points of FCR's success. This complete Dirt Bike carb upgrade kit includes everything needed to install the Version 1 FCR Carb on your bike. This carburetor set, consisting of three individual carburetors (one main and two idle), is recognized for its exceptional fuel-mising capabilities, making it an excellent choice for those seeking Welcome To PJMotorsports For All Your Keihin-Mikuni Carburetors Buy Your Keihin FCR, CR Special, PWK, PJ, PE, PWM. Failing to fully seat the rubber boot will cause the plunger to corrode. 90-Day warranty. html, Keihin FCR Carb Tuning Procedures I see you had a link to the Ducatitech. Designed to meet the rugged needs of off-road, motocross, and utility applications they build upon the legendary FCR carburetors. The following is a guideline for jetting Keihin carburetors. Keihin Slant FCR 2. ) take the time to clean your carb properly. K-FCR40-HT6 40mm DISCONTINUED K-FCR41-HT6 41mm DRI offers a 40 & 41mm Keihin FCR carburetor for the ‘04-16 Honda TRX 450. Details: Keihin FCR MX 41 quad vent flatslide carburetor with choke with fuel pump removable intake adapter (hence can be fitted to virtually any 4-stroke engine) etc. Apr 1, 2014 · there are lots and lots of carburetors out there. O-Ring Kit includes all the necessary o-rings and seals to rebuild your carburetor mid-body o-rings, venturi ring o-ring, top cover o-ring, fuel joint o-ring, float bowl o-ring, float bowl drain o-ring, accelerator pump u-ring, accelerator pump o-ring, diaphragm, valve seat o-ring, fuel screw o-ring Introduction of Astemo Americas' aftermarket powersports product, KEIHIN Tuning and Repair Parts. This o-ring fits all Keihin FCR series carburetors except Ducati and replaces the fuel pipe o-ring. This is the Hello to all interested in installing a keihin fcr mx carburetor on their red pig. As we have found out many used carbs have body wear from the slide or actuator that causes a number for running problems. This Keihin FCR carburetor kit bolts right in between your stock OEM intake manifold and air box boot. Adapter is readily available. Top Cover All 1030-897-2000 021-710 6. I recommend removing the carb from the bike to install this kit. Oct 30, 2024 · ( Brand: Keihin ), ( Manufacturer Part Number: 38RC7 ), ( Engine Type: 4-stroke ), ( Type: Carburetor ), ( Manufacturer Warranty: 1 Month ), ( Features: Down Draft ), ( Universal Fitment: Yes ) Review KEIHIN 38rc7. Allgeyer Performance Adapters are used with this carburetor Here's a step-by-step how to on installing the Honda Updated Accelerator Pump Kit. Starts and idles well. lower 48 states. Fits all Keihin FCR & FCR-MX Carburetors, fits most common 4-stroke models. The reference “air boot” is located on the air box side of the carb. Gasket, Top Cover All 1202-895-6000 021-711 7. May 17, 2024 · Buy 30 Pieces Carburetor Main Jet Pilot/Slow Jet Needle Kit Compatible with Keihin FCR PWK OKO CVK PWM: Jets - Amazon. Is the bike running OK? Keihin FCR tuning manual. Oct 30, 2018 · Keihin PWK and FCR Instructions & Exploded Views and Parts -Picture Gallery Explore the detailed diagram of Keihin FCR parts, highlighting key components and their functions for maintenance and repair. Keihin Flat-CR (FCR) Carburetor Originally designed and developed on world-class Superbike racing circuits, the Flat-CR carburetor broke new technological ground with an innovative flat-slide throttle valve that rides on roller bearings. 982,70 € * Keihin carburetors have long been considered some of the finest carburetors in the world. CRF's Only offers a complete line of FCR performance parts and accessories for the Honda CRF450X, CRF450R, CRF250X, CRF250R, CRF150R CRF's Only "How-To" By CRF's Only Staff Keihin FCR Adjustable Pilot?? Air Jet adjustment - Motorcycle Jetting & Fuel Injection - ThumperTalk All Activity Home Forums Dirt Bikes Dirt Bike Technical Forums Motorcycle Jetting & Fuel Injection Feb 27, 2019 · Fits For Keihin FCR slant body carburetor Compatible With: For Keihin FCR 35mm carburetor For Keihin FCR 37mm carburetor For Keihin FCR 39mm carburetor For Keihin FCR 41mm carburetor (Not Fits for FCR MX Carb) Package Included: 1 x Set of Carburetor Rebuild Kit (As picture). The Tusk Carburetor Mid-Body Gasket Kit has everything needed to rebuild the mid section of a Keihin that is most overlooked during rebuild. com, Royal Oak, Michigan. com. The Kit features a pair of pre-jetted Keihin FCR Flatslide Racing Carburetors, Adapters, Push-Pull Throttle Cables, Velocity Stacks and K&N Filters, and everything needed for an easy bolt-on application ready to run and increase the bike's performance. Keihin OEM #W9351-13057. Any major engine modifications like higher compression pistons and racing exhaust systems may require minor jetting adjustments. 175MJ is ok. This custom kit includes everything needed for a simple bolt on installation and Get the best deals for Keihin Fcr 39 at eBay. Keihin FCR (Flatslide CR) Racing Carburetors Following in their tradition of high technology and performance, Keihin’s latest carburetor design for racing is the FCR designed for downdraft engine design use. After getting taken for $160 every season for a carb clean at the shop I realized that this can be done Keihin FCR Carburetors are the top shelf from Keihin. This is most commonly adapted to the DRZ400. keihin is a subsidiary of Honda Motor Corp and their 2-stroke and 4-stroke carbs are state Sudco Methanol Conversion Kit This Methanol Kit from Sudco includes all the necessary components: main jets, needles, needle valves, etc. FCR single CARB EXPLODED VIEW - Jets R Us Keihin jets FCR carb carburetors and parts The Keihin FCR-MX carburetors are the finest motocross and ATV carburetors in the world. An accelerator pump and a high-tech slide supported by four wheels make the FCR a Keihin has developed the FCR-MX for the specialized needs of motocross, flat track, off-road, and ATV racing. Application Order No. This is an excellent kit for stock to medium performance motors for trail, wood, and MX. firstly consider this a beginners guide, there are far more knowledgeable pig owners than I. com: YGQ Carburetor Jet Kit for Nibbi Keihin Carb Main and Pilot Slow Jets FCR FCR-MX PJ PE PWK PWM 99101-357 N424-21 22Pcs (#150 - #185) : Everything ElseAmazon. 054,20 € 1. OK, I know it's "late in the day" and that perhaps most Monster riders have moved on from carbs to fuel injection. Jul 24, 2007 · Keihin FCR racing carburetor FAQThe Keihin FCR carburetor kit from Sudco for carbureted Ducati Monster and Supersport. Carburetors are jetted using stock motorcycles and watercrafts. . little leaner Keihin FCR 39 Flachschieber Racing Vergaser dunkel eloxiert / Öl-gekühlte Suzuki GSX-R 750 1100 Oude prijs 2. HOW TO: ADJUST YOUR KEIHIN FCR LEAK SET, R&D RACING GIVES TUTELAGE FOR KEY POWER GAINS The modern high performance four-stroke engine is, for the most part, strapped with using carburetors, albeit the incredible Keihin FCR unit, which until now has played a dominant role in the evolution of the modern ’stroke dirt bike. Take a read of this. lots of differencesso i will condense the majority of the thread to info pertinent to my all time favorite 4-stroke carb the KEIHIN FCR carb. Aug 20, 2024 · Hi all. The billet aluminum velocity stacks replace the standard aluminum Sudco filter mounts or the plastic or spun bellmouth of various lengths they also sell. Including everything necessary to rebuild or repair a FCR MX carburetor. AUTHORIZED KEIHIN DISTRIBUTOR AND THE #1 ONLINE SHOP SINCE 2001 FOR GENUINE KEIHIN CARBURETORS MADE IN JAPAN. Keihin FCR 39mm Flat Slide Carburetors $ 2,095. and everything in between. Keihin (it's "kayheen" with accent on second syllable ) Factory Pro Replica jets, Keihin and Mikuni, follow the original manufacturer's size scale so the Factory Pro Replica jets are interchangeable with original jets - saving a lot of time and improving accuracy for a good tuner. Before removing the carb from the bike make sure the petcock is in the off position and all fuel in the carb has been properly drained. com/fuel/ This video will show you the most common Keihin FCR Get the best deals for Keihin Fcr 41 at eBay. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Sep 21, 2012 · Pat Burns is the guru of FCR "how to" in my book. Sep 10, 2023 · Keihin fcr problemgood advice. Special applications FCR 39 - 41 The great FCR carburetor is here to stay. Rebuilding a carburetor can also be very confusing with all the little parts and gaskets. Oct 17, 2019 · Buy Carburetor Motorcycle FCR28 33 35 37 39 41mm FCR Carburetor Carbs FCR39 for CRF450/650 FS450 Racing Motors Good Power: Carburetors - Amazon. The Tokyomods Keihin FCR-MX Carburetor O-Ring Kit includes all the necessary o-rings and seals to rebuild your carburetor. Explore the Keihin FCR MX carburetor parts diagram and find detailed information about various components for your motorcycle repairs and maintenance. everything I’ve learned was from this forum or my service manual, and Kevin Cameron books. Free shipping to the U. Buy All Your Keihin Jets, !! HERE !! No Minimum Order Keihin Carburetors, Needle Valve assy, EASY SEARCH Web site, Personal Service, Fast Shipping The Keihin o-rings are made from a rubber polymer that remains pliable even after many years of use and ensures an exact fit and proper function in all conditions. The Keihin FCR dual side by side carburetor kits are easy bolt-on horsepower for all Ducati 750SS, 900SS, and M900 Monsters from 1991-2002. 【summary】 CBX1000 Description Includes 3 genuine Keihin replacement o-rings ONLY for one Keihin FCR MX 37-41mm carb fuel inlet. The design of the Keihin FCR carburetor is based on the proven technology of the flat slide and offers several advantages over traditional round slide carburetors Sep 6, 2024 · We break down the rebuild process of a Keihin FCR Carb and how to adjust your Accelerator pump. KEIHIN FCR / FCR-MX / CR SPECIAL / PWK / PWK-S / PJ / PWM / PE ULTRASONIC CARBURETOR CLEANING & REBUILD SERVICE OEM FCR AND FCR-MX CARBURETOR PARTS / GASKET KITS CUSTOM KEIHIN FCR SETS FOR ENGINES NOT LISTED CUSTOM MADE KEIHIN FCR SHAFTS Keihin Flat-CR (FCR) Carburetor Originally designed and developed on world-class Superbike racing circuits, the Flat-CR carburetor broke new technological ground with an innovative flat-slide throttle valve that rides on roller bearings. com FREE DELIVERY possible on eligible purchases Find many great new & used options and get the best deals for Keihin FCR 39mm Flat slide carburetors at the best online prices at eBay! Free shipping for many products! Feb 11, 2021 · Keihin FCR 39/41 Started by s3dxm, February 11, 2021, 02:18:13 PM Previous topic - Next topic Print Go Down Pages 1 2 The Keihin FCR 41MM carburetor kit for the XR650R's includes everything needed for easy bolt-on horsepower - a Keihin FCR41 pre-jetted flat slide carburetor, Motion Pro push/pull throttle cables, Motion Pro throttle assembly, fuel line, and airbox adapter All Ball Racing FCR Carb Rebuild Kit Kit includes all O-rings, gaskets, jets, needle, mixture screw, float bowl screws, float valve needle and seat for most modern dirt bikes with a Keihin FCR carburetor NBR rubber material is used on all O-rings and rubber gaskets NBR has excellent resistance to the ethanol used in today’s fuels. I’ll be adding to this over se Mar 10, 2013 · there are lots and lots of carburetors out there. Applications that use paper float bowl gaskets are upgraded Keihin Carburetor Adapter Overview There are 3 body styles to the Keihin FCR: 1. mrs said there was a slight hang on it still when blipped at low rpm, will try a few tweaks on the mixture screw next time. FCR-MX EXPLODED VIEW FCR-MX37, FCR-MX39, FCR-MX41 Click here for other parts not listed below Scroll down to bottom of page for other parts 5. Included item are detailed in the product pictures Please kindly check the models and pictures provided to ensure fitment. The FCR39 kits produce strong torque with good mileage and are a good value. 180-day warranty! This Keihin FCR dual split carburetor kit is easy bolt-on horsepower for ALL 900SS's and M900 Monsters. Not only do they handle carburetor itself but also various kinds of repair parts. Features include a flatslide throttle operating on roller bearings with progressive linkage for smooth operation and control. Additionally, they provide ultrasonic cleaning and rebuild services for carburetors, ensuring optimal Just snug it up. Keihin MX FCR without removable air boot. Clip position 3 is ok. Choose M4x10 socket head screw in fasteners or FCR-MX Screw M4 x Jul 13, 2019 · About this item For Keihin FCR 28, 32, 33, 35, 37, 39, 41mm MX carburetor rebuild kit (not for FCR Slant carb). 5 turns. Fcr 39mm Flat Slide Carburetors The Keihin 38RC7 FCR 39mm Flat Slide Carburetor is a high-performance carburetor designed for enthusiasts and professionals working on high Keihin FCR tuning manual Version 3. Frank! MXParts. Here Fast -Personal Service Keihin has developed the FCR-MX for the specialized needs of motocross, flat track, off-road, and ATV racing. Install the rubber boot of the hot start cable. carbkie. com Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. keihin is a subsidiary of Honda Motor Corp and their 2-stroke and 4-stroke carbs are state Sep 12, 2024 · Amazon. It covers all the important topics in tuning your FCR racing carbs: synchronizing fuel screw slow fuel jet slow air jet slow air screw main fuel jet main air jet needle codes needle selection etc. Feb 24, 2009 · Tech How-To A good portion of modern four-stroke engine performance is due to the Keihin FCR carburetor. Better knows as THE CARBURATOR, oem installed on machines as CRF450 and YZ426F before, we can now give the FCR MX at a special price. 3. I will now write about the specific differences. Orma Divisione Mototori is proud to present the FCR family for modern four stroke engines. Fuel Mixture Screw comes with spring, washer and O-ring, this motorcycle part fits all Keihin FCR & FCR-MX Carburetors,fits most common 4-stroke models: Honda CRF150R/CRF150RB, CRF150R, CRF250R 2004-2009,Yamaha WR250F, YFZ450, YZ250F, YZ450F 2003-2009, Kawasaki KLX450R Jan 31, 2011 · Keihin FCR troubles RedneckRider181 Posts: 158 Joined: Wed May 14, 2008 11:44 pm Keihin FCR troubles by RedneckRider181 » Mon Jan 31, 2011 8:41 pm Havent been on here in awhile, but i know where to come to get correct advice. We have a great online selection at the lowest prices with Fast & Free shipping on many items! The Keihin FCR-MX carburetor rebuild kits contain all the necessary genuine Keihin components to rebuild your FCR-MX carburetor including the air cut-off valve and hot start circuits. 3,571 likes · 3 talking about this. Free tuning manual by Patrick Burns. These Keihin airbox adapters are machined from high quality aluminum and are needed for adapting the Keihin FCR and FCR-MX carburetors to various models. Brass inlet not included. May 12, 2025 · Keihin-Fcr. always go the easy route first. com but I didn't see this page which is fabulous since it has pics with each procedure. We have Keihin Fcr Carburetors Carbs - 37mm 39mm 40mm 41mm parts & upgrades in stock. Featuring a roller bearing supported flat slide, accelerator pump, and large, baffled float bowl, FCR-MX is race-ready right out of the box. If you are having throttle issues (bog off idle, hard starting, etc. What this means, essentially, is that the above paragraph doesn't actually have any connection to reality. Inside the FCRs The good news is that FCRs are a pleasure to work with and fairly easy to access on Fixing the Dreaded Lean Bog on Keihin FCR Carburetors: I recently had the pleasure of performing a complete frame down rebuild on a 2007 CRF250R that came to me with an intolerable bog issue when the throttle was stabbed from idle or low RPM (both when riding, and on the stand). Contents of the Honda Accelerator The JB-POWER Special Carburetors, world-renowned for their abundant variety, advanced technology. Jul 22, 2019 · Fits Keihin FCR slant body carburetor Fits 28 32 33 35 37 39 41mm carbs (Not Fits for FCR MX Carb) Made of superior quality raw material, stable characteristics and high reliability. They replace the 99101-ZF5 (old 99101-124) slow air jet and allow you to fine tune to an infinite numbers of positions without replacing any jets! The part that really sucks about FCR carburetors is that they come with primary type emulsion tubes as opposed to the bleed type emulsion tubes every other four stroke carb in the whole universe ever used. AFTER FINDING Genuine Keihin Needle OC-SCROLL TO PAGE BOTTOM TO ORDER N427-OC and N427-OB FCR FCR-MX Dont see the needle you need below, check carb rebuild kits. Standard jetting: OC-EMR throttle needle 160 main jet 48 pilot jet 200 main air jet 100 pilot air jet FCR Carb Tool Contains longer bits for reaching into recessed cavities to adjust Keihin FCR carburetors Ideal for trail riders and garage mechanics alike Includes 6 mm hex for main jets, long-reach straight slot for pilot jets & a 3 mm hex for removing the float bowl Cap compartment will hold a few spare main jets The aftermarket version of exclusive FCR MX come with many options availables. Dec 9, 2016 · Keihin FCR Carburetor How-To: DirtBikes. We have many Bito / Keihin special Carburetor models. Note: --Please check the pictures of this item and compare it with your part number carefully before you purchase! Nov 7, 2025 · The newest version of the Keihin FCR Dirt Bike Carb, which offers many fine-tuning options, updates, and performance upgrades. Get the best deals for Keihin Fcr 39 Carburetor at eBay. Main jet #160 170, pilot jet #48; Package contents are as shown in pictures. Jan 17, 2010 · I need some help from you guys with the 28mm Keihin FCR Downdraft Carburetor. Back to 42IJ with remote adjustment screw now in. Note: Requires experienced tuner or technician familiar with rejetting for methanol usage. How to make a 4 stroke dirt bike start in "1-Kick" & idle properly by tuning the fuel screw [Free Guide] - https://motocrosshideout. Feb 5, 2017 · KEIHIN FCR-MX 39 Setup Guide & Jetting Tables Quick update. Does not fit the Ducati dual carburetors. com FREE DELIVERY possible on eligible purchases The FCR and FCR-MX slow air jet conversion kits fit all Keihin FCR and FCR-MX aftermarket carburetors. The FCR's really open up the intake systems on these Ducati models allowing serious horsepower gains and enhanced throttle response. Can you guide me in the right direction on the following questions listed bellow - Jun 2, 2023 · Of course, the FCR carburetor. The kit includes 2 anodized velocity stacks, matching K&N air filters and the recommended jetting sizes. Power gain is unparalleled. currently set at 1. After the head was rebu… Keihin carburetor jets, parts and kitsMAIN 1001-806 Vintage main 1 139QMB 3B 3C 99101-116 99101-187 99101-357 99101-393 99201-601 99202-601 N424-14 N424-27 N424-36 N424-35 BD CDK, CDKII FCR FCR-MX PB16 PB18 PC18 PC20 PD PWK PWM SCREAMIN' EAGLE Feb 4, 2018 · This is a heads up post for some work I finally took the time to get a grasp of. Our Voluntary 30-Day Return Guarantee does not affect your KEIHIN is a company well known worldwide that specializes in manufacturing FCR/CR carburetors. This Keihin FCR39 MX carburetor kit will give you the most out of your 2000-2009 Suzuki DRZ400S/SM/E & Kawasaki KLX400 motorcycle. Special Applications 33/35/37/39/41 The Keihin FCR carburetor is a popular choice among motorcycle enthusiasts for its excellent performance and reliability. KEIHIN FCR / FCR-MX / CR SPECIAL / PWK / PWK-S / PJ / PWM / PE ULTRASONIC CARBURETOR CLEANING & REBUILD SERVICE OEM CARBURETOR PARTS / GASKET KITS CUSTOM KEIHIN FCR SETS FOR ENGINES NOT LISTED CUSTOM MADE KEIHIN FCR SHAFTS The Keihin FCR-38 is a flat slide carburetor set specifically designed for high-performance applications, particularly in motorcycles and ATVs. All the jetting required to convert your Keihin FCR carburetor to methanol usage. Will also fit ALL Keihin aftermarket FCR racked horizontal draft carburetors. 3 By Patrick Burns Many thanks to Marc Salvisberg, founder of Factory Pro Tuning, for teaching me the finer points of using dynamometers and tuning carburetor equipped engines. I don't know how the picture is oriented, but, to my eyes, that brass piece looks to be above the Venturi. Learn how each part contributes to optimal performance. Perform all work in a well ventilated area away from any source of ignition. Used by top race teams around the world, the FCR series is the result of decades of roadracing experience and technology improvement. If it is below the Venturi, then maybe so. 180-day warranty! The most complete carburetor rebuild kit available for Keihin FCR-MX 37, 39, 40 & 41mm carbs. frjpto hfqj gbgtak wghpzhh ozuzd qqub shrm tyvmzkz qmme ngxo evthe naqse jppk vjsryy mcvd