Evo cv carb jetting

Evo cv carb jetting

Harley Fuel Injection Parts. rollingwrenchdenver. In the pilot jet route and mixture screw passage, spray a little quantity of mild carburetor or fuel injection cleaner. - diaphragm replacement. With its improved design and features, the Cycle Pro High Performance CV 40mm Carburetor offers unbeatable performance for your Harley. 2008+ Touring (w/ TBW), and 2016-17 Softail models only. I think ive got my air screw and idle set pretty mint, as well as my acc pump. 2. A pop or spit back out of the carb throat usually indicates an intake leak at the manifold to the head connection, intake seals leaking. the needle is standard and the hole has not been drilled larger. Choke circuit - Initiated by a valve or butterfly that increases the vacuum and opens the circuit up. If you are pretty stock, with say K&N & good pipes, jetting should be around 42-45 slow jet & 175 -180 main jet. SE double-barrel pipes. Yep, the stock main jet is rich. youtube. What Harley carburetor jets *****NOTE*****NEW UPDATE CAN BE FOUND HERE:https://www. Andrews says between #48 and #50 slow and 195 main! cables for carburator. 1422 posts · Joined 2010. 85mm)for all 50 states, since CARB & EPA had the same emission requirements on the MoCo in that time. here is the format in witch to post your carb specs: Pilot Jet: 42 Idle A/F screw: 1-3/4 turns out Main Jet: 160 1000 Feet above sea level. The kit contains the most commonly replaced quality seals needed to renew your Harley CV carburetor. #1 · Feb 27, 2014. 500” deep to allow the CV carb to index against it. one of the key points to setting up the CV is getting the air mix right. S&S Super E/G Quick Tuning Steps. Then adjust the low speed, mid range, and high speed circuits each for max performance. Preorder Wait List #: -429 on backorder. And while the carb is on the bench, look at the idle port opening. This works but places the carb farther out than stock. EVO: Carburetor, Intake Manifold & Exhaust. #4 · Nov 19, 2012. Been playing with jetting for the past few weeks and it's looking like I'll be running a 48 pilot and 200 main. Sep 19, 2014 · CV Carb kit I bought a kit from C V Performance for the stock carb because the bike would spit and sputter even when hot. can use a . Mar 17, 2017 · 29355 posts · Joined 2009. I thought it would be helpful to some if I shared a video of how I removed and cl Aug 24, 2004 · 2. Feb 26, 2021 · This video continues from the Carb removal video, now on the bench the carb will be completely disassembled cleaned and reassembled with a James gasket kit P performance is unsatisfactory, tune the carburetor as described below. Now simply hold a 5/16" or 8mm wrench to the hex threads on the main jet emulsion tube and unscrew the main jet carefully with a flat head screwdriver. My 95 FLHR runs superb with the EV-27, standard compression and carb, a fulsac true duals conversion exiting through khromwerks mufflers fired by a screaming eagle ignition module. Jan 2, 2024 · So, the 2006, 1200 evo with Keihin 40mms CV with vertical needle used the same main jet (1. Step 1 – Unbolt the old carburetor from the manifold. Mar 14, 2024 · Hsr42 jetting & tuning 94 evo 1340. • If the engine exhibits a rich or lean condition at idle and up to 1/4 throttle opening, adjusting the idle mixture screw (IMS) may correct the condition without having to change jets. - membrane replacement. I meant to take the bowl off and check prior to installation but forgot in all of my excitement. generally getting smaller as time goes on in an attempt to reduce emissions. • The IMS is a fuel flow adjuster, so that turning it in 44mm Carburetor Tuning Procedures: The 44mm Big Bore CV Carburetor, as shipped, is calibrated for use on modified Harley-Davidson Big Twin engines equipped with SCREAMIN’ EAGLE bolt in High Performance Cam, Air Cleaner, and Exhaust System. CV Performance CV Style Carburetor Pilot Jet For Harley 1988-2006. - oring and gasket replacement. 5mm at 20 degrees. I cruise at 85 MPH on my 120 mile round trip commute and get in the mid 30s for fuel mileage. cv-carb. 3) reset your float. Pricing varies, but you will need complete enrichener cable, throttle cables for CV, air box for CV. Step 3: SLIDE MODIFICATIONS: Remove the top of the carburetor (slide vacuum chamber cover) being careful to loosen the throttle linkage stop plate. If the original dual cable setup is to be reused label them for reinstalling on the CV carburetor. 4. May 6, 2021 · 2) Be absolutely sure there are no vacuum leaks. Like. Buell CV Carburetor. See Picture 2. They put harley flat top pistons, Branch heads, and 520 cams with a S&S carb with a 2 into 1 Harley CV Carburetor Parts. 75 from closed. Oct 21, 2020 · Kit Includes: Main Jets, Needle Adjusters, Nylon Spacers, Drill Bits, Slide Hole mod (with CV carb), Idle Mixture mod, Slide Spring Mod (with CV carb), Carb Schematic, Specifications, Carb Sync Tool build, Carb Cleaning Procedure, Proper Tuning Techniques, and step by step instructions with photos. The Premium Kit for Harley-Davidson motorcycles is far more than a recalibration jetting kit. $ 255. In this case 2. Verified air flow through the circuits in the carb. Twin Cam and Evo engines require the use of an Jan 29, 2015 · Jet em a tad thin and let the needle add fuel as the motor wants it. Take out the mixture, spring, washer, and o-ring screw. We give a 100% Satisfaction Guarantee. Trying to figure out what to use, The flange. Apr 16, 2012 · 6. 2000 Duece, stock cv carb. Earlier models equipped with the older butterfly style carbs (pre-89 Evo's, Shovelheads, Pans, and Ironheads) are excellent candidates for upgrading to a modern Harley carburetor Step 6: Adjust the jet clip. #1. CV Carburetor Modifying the CV carb Tuning a CV carb Camshafts Selecting a cam Install a TC 88/95 cam Install a Big Twin cam Install Sportster cams Camshaft Specifications Twin Cam EVO Shovel XL Exhaust Systems EVO Exhaust Testing TC Exhaust Testing Khrome Werks AR100 test Making Drag Pipes Work: SHOP TALK Shop Manual Carburetor Carburetor Jul 14, 2022 · Cleaning the accelerator jet in my 1994 FXDWG (Dyna Wide Glide) crash bike. 12. This is Not a tuning kit. The Basic Renewal Kit includes the bowl seal, pump diaphragm, and float valve only. 1/4 TO 3/4 THROTTLE JET NEEDLE: The jet needle (#2 in illustration) is comprised of five major elements. 39. This is adjustment is plugged up from the factory. - bowl and diaphragm disassemble. - disassemble of membrane, spring and guillotine. Just upgraded my carb on my 94 softail from a stock cv to a mikuni. Note that jets are selected for operation at below 4000 ft elevation. This will improve the air flow to the filter element. Step Two is to make changes to the stock Harley-Davidson CV carburetor, re-jetting the carburetor to improve the air-fuel What Harley carburetor jets should I use? Should I rejet or try to find a stock air cleaner setup and see if that fixes the problem. The manual tell's me the bike comes with a 42 slow jet and 170 main jet. S&S Super E and G carb kits for 1984-‘89 big twins contain a throttle cable guide designed for butterfly type throttle cables, and kits for 1990-‘99 big twins contain a taller throttle cable guide designed for CV type throttle cables. Mar 5, 2017 · Sportster Carburetor Jet Sizes. and send my heads to Hillside for work soon. 025 - . CV carb, ev 27 cam, evo heads with stock valves, ported/polished combustiion chamber and 100 thou off the heads, ultima ignition, single fire system. Available for all constant velocity (CV) carburetors on 1989-2006 Big Twin and Sportster models. CV Carburetor Modifying the CV carb Tuning a CV carb Camshafts Selecting a cam Install a TC 88/95 cam Install a Big Twin cam Install Sportster cams Camshaft Specifications Twin Cam EVO Shovel XL Exhaust Systems EVO Exhaust Testing TC Exhaust Testing Khrome Werks AR100 test Making Drag Pipes Work: SHOP TALK Shop Manual Carburetor Carburetor Jan 11, 2019 · Jan 11, 2019. Best $50 I ever spent on a bike. The kit comes with plenty of jets to get the carb right and detailed instructions and the correct size drill bit as well. My Shovelhead has been that way for 6 or 7 years. 030 pistons. KLR 650. If you use this filter element, you will need to add holes in the plastic air cleaner cover. What ever the OEM jets where for an 80" evo, your little 80" with head work is not that far what everyone else is running in their little 80" engines. I have 94 evo ultra. KEIHIN CARBURETOR MAIN JET SIZES 1988 TO 2006. 44-45 low & 180-185 hi jets in evos. Engine displacements 100 inches and higher or racing applications lend themselves to aftermarket carburetors where daily driving and gas mileage are less Jul 4, 2020 · There are a bunch of post of this forum and every other forum about which jets, pins and shims to use for various engines with a CV carb. - check membrane for damage. com/watch?v=-B-fLDOBqzo&index=43&list=PLV71LsSNUG3A_EE May 31, 2014 · In 1989 an accelerator pump was added to the CV carburetor as all other models began to adopt the new carburetor, and the CV carb remained virtually unchanged until retired in 2006. Tried the 195 and 48, seemed a bit lean and backfired when starting. This provides a starting point for tuning. The mixture screw. Description. The Race tuner kit comes with main jets Jul 31, 2021 · Pull out the pilot jet from the Harley carburetor. If the engine is flat or will not accelerate, decrease the main jet by . Sportster models from 2007-later use fuel-injection. org; Support the EFF! CV Performance helps riders like yourself achieve the full performance potential of their Harley and American V-Twin motorcycle with high quality intake products. SKU: C200. CVP jet quality exceed OEM and Keihin (Harley) carburetor jets. Remove the soft aluminum plug covering the idle mixture screw. 883 with straight pipes, I'd run a 46 pilot, 1. May 30, 2010 · Here is the configuration I'll be installing: Ness Big Sucker I. Jun 10, 2022 · Start with a 42, 44, or 45 slow jet and a 180 main jet. Harley Early Keihin. Earlier models equipped with the older butterfly style carbs (pre-89 Evo’s, Shovelheads, Pans, and Ironheads) are excellent candidates for upgrading to a modern Harley carburetor. The kit made it into a new machine. The stock main and slow jets are OK for two reasons. CV Performance offers the Original EZ-Just ® mixture screw, slide needles, jets, the latest design in vortex delivery emulsion tubes, carburetor parts , and complete tuning kits for This simple procedure is a great Harley tech tip that applies to all Harley carbs from 1989 to present that use the CV style Harley Davidson carburetor. The outer step is machined to allow the isolator boot to slip on tight. - guillotine cleaning and finish. Due to high demand please allow 7 business days to fulfill. Dec 7, 2007 · 87 EVO with CV carb. Let no cleansing liquid come into touch with the mixture o-ring screw or the sliding diaphragm. This 100% brand-new carburetor is crafted with precision and excellence, ensuring that all parts are thoroughly tested and quality controlled. Since 2004 S&S shorty carbs have been fitted with an adjustable main jet air bleed (#13). 43. a little common sense goes a long way in a cam change. Made sure to the best of my ability that the slide and pump diaphragms have no holes or tears. The outside of the adapter is machined to match the outer diameter of the S&S manifold. 5 turns out, and a 170 main. Feb 8, 2015 · Put in a yost kit, the carb must be virgin as well as the slide. A parting tool is used to precisely cut the length of the adapter. Going to use a EV23 Cam and go with SE . Adjust the jet clip based on your motorcycle Apr 17, 2014 · 95 FLHR rider. however the 92 dyna had a 170 main and a 40 slow but that may have only been for the international Premium Tuners Kit includes everything in our Deluxe kit + the Mixture Packing Kit and our Stainless Steel Extended Idle Screw. Remove the 4 screws which attach the fuel bowl to the carburetor. Readjust float level to 11. For the pilot also carefully unscrew with a small flat head screwdriver. See details below. The metal plug is very soft and only requires a household drill and 7/64 Over tightening this screw can damage the carburetor and needle. the jet sizes seem to change from year to year. 42-7 1990 to 1999 1340 Big Twin Evo with stock CV type manifold. If your bike is pre-double cable, you'll need to get a throttle control that has the double cable. You can get jet kits for $20-100 or just buy individual jets. Fits 1989-2006 Harley CV40 carburetors and CVK40 carburetors. Will fit all Harley constant velocity (CV) carburetors on 1990-2006 Big Twin and 1988-2006 Sportster models. #2 · Feb 16, 2016. DO NOT do any of the following: Do Not change the main jet; the stock one is just right with a free-flowing air cleaner and mufflers. NOTE All carburetor tuning should be performed with the engine warmed up to normal operating temperature Oct 6, 2012 · FXRS84. Sep 13, 2019 · BUY IT NOW:https://www. Step 2 – Loosely place the flange adapter on the carb and align with the manifold bolts. Doing this will allow you to access the jet needle. Jul 22, 2009 · CV carb jetting with mods. Fits Harley Davidson Big Twin 1984 – 2007 and Sportsters 1986 and later. Thanks. Free Shipping. S&S Carburetor Parts. #3. Squirt some WD-40 around the seal area with the engine at idle, if the idle changes there's a leak. appears to be a standard carb When i compared the jets between the two carbs my main jet has a smaller thread size and would not screw into the tube on the spare carb, conversley the main jet off the spare Aug 24, 2012 · 1. Tune your idle first, then worry about WOT (main jet) and mid-range (needle). Once the 4 screws are removed the main jet and slow (or pilot) jet can be removed. for the CV type carb by using the special adapter included in the kit. Feb 16, 2016 · 31355 posts · Joined 2008. Use the blue needle. 5&72 jet combo should work well with that cam/engine size. $50 sure beats $500. 040. Red is way rich in the midrange for most engines. Simply rejet the existing CV carb as needed. Main Jet - Wide open. Apr 27, 2013 · 94 evo. Jan 12, 2016 · The inner step is machined . SCREW ( CVP hardware kit includes 4 screws, washers, and wrench. Took the carb apart, cleaned all the passages with carb cleaner and compressed air, set the float according to the manual, replaced the o rings, all the things you're supposed to do. Instructions are very clear and has jets for stock breathing as well as one made to improved like yours. If it needs more fuel, start looking at a torn CV slide boot. Log in; Entries feed; Comments feed; WordPress. The CV style Harley carburetor has a small cylindrical tower protruding from the bottom rear of the spigot (behind the bowl). Pilot (slow) Jet: is the one to the right and up CV Carburetor Modifying the CV carb Tuning a CV carb Camshafts Selecting a cam Install a TC 88/95 cam Install a Big Twin cam Install Sportster cams Camshaft Specifications Twin Cam EVO Shovel XL Exhaust Systems EVO Exhaust Testing TC Exhaust Testing Khrome Werks AR100 test Making Drag Pipes Work: SHOP TALK Shop Manual Carburetor Carburetor Step 2: - carburetor disassemble from motorcycle. You will need a set of throttle cables from around a 1993 bike. The Needle Jet nozzle is mandatory for correct fuel spray as the needle lifts during normal acceleration. Gaining access to this screw is key to fine tuning and must be remove. Jul 6, 2014 · I finished replacing the upper motor mount on my 2007 Spinger Classic 96" TC converted EFI>carb (with choke bracket) and re-jetting my Keihin 40mm CV carb with 45/190 NC65 needle (no shims) and air mixture screw turned out 2-1/2 turns running a K&N high flow breather with a Thunderheader exhaust this past weekend and the bike is running Complete carburetor performance in an all-inclusive kit. Earlier models equipped with the older butterfly style carbs (pre-89 Evo's, Shovelheads, Pans, and Ironheads) are excellent candidates for upgrading to a modern Harley carburetor Jun 7, 2005 · Was just wondering if someone could tell me what size pilot jet and main jet comes in the Screamin Eagle 44 CV carb from HD. Year 1988 Engine 883 – Jet Size 170 (California 165) Year 1988 Engine 1200 – Jet Size 200 (California 180) Year 1989-1991 Engine 883 – Jet Size 175 (California 155) Year 1989-1991 Engine 1200 – Jet Size 175 (California 160) Year 1992-1994 Engine 883 – Jet CVP PART NO. Stock heads, springs. This isn't like fuel injection. Turn the mix screw out 3. . The 88 needle (or N65C, HD #27094-88) became very popular after tuners and mechanics discovered its usefulness in tuning other models needing a richer off-idle and Rick on Joe Minton Mikuni HSR42 setup/tuning recommendations; Klaas on Joe Minton Mikuni HSR42 setup/tuning recommendations; Troy Fike on Joe Minton Mikuni HSR42 setup/tuning recommendations; EvilT on Joe Minton Mikuni HSR42 setup/tuning recommendations; Evil Functions. in 1991 evo softail had 185 main and a 45 slow jet. To mount the HSR48 in the stock location, use the large carb slip-fit manifold sold below. Your carb is a CV42. 004". #27 · Sep 28, 2014. And therefore, it shares similar parts which perform similar functions. EV27 Cam. Vehicle Specific. includes gaskets, seals, and o-ring to rebuild a Harley CV40 carburetor. Symptoms of Lean and Rich. com/products/scooter-jet-alternative-toolJetting your carburetor can be frustrating and a timely process, this vid Jan 2, 2024 · The EVO Sportsters have used Keihin carburetors from 1986-2006. Make sure the pushrods and lifters are a match. I just bought an 89 FXR and love the bike. All kits include CVP's custom needle, spring and vortex emulsion tube designed to unleash the performance in your Harley carburetor. An E carb is easy to tune and works well on 80-100" engines, the bigger the better,. Once I'm done turning wrenches, I'll want to jet/tune the carb appropriately. If you have the adjustable needle, put the clip in the middle position (slot 3). Available for stock Harley CV carburetors on 1989-2006 models. 46-48 & 190-195 in TC,s. From what we can see this kit has the same componenets as a Dynojet kit but a fraction of the price. Note: Nozzle installs with larger opening facing upward toward the needle, small hole mates to the end of the emulsion The HSR48 comes with a rubber boot to adapt it to a two-bolt style manifold. Here are some basic symptoms, some Nov 16, 2018 · CV 40mm Carburetor With Accelerator Pump For Harley-Davidson 40mm CV carburetor is for Big Twin Evolution, Twin Cam and Sportster models and is an accurate reproduction of the OEM Keihin CV 40 mm carburetor The stock main jet is #185 and the stock slow jet is #42 Must order choke cable assembly, manifold, cable set (push-pull) and air cleaner Feb 27, 2014 · 98DARKHORSE Discussion starter. The installation will take an afternoon and as long as you read the instructions and take your time it is what you are looking for. Oct 21, 2016 · 2001 Road King, 98 big bore kit, 10:1 compression, Andrews 37G cams, CV carb, RB Racing LSR 2:1 exhaust. Idle and just off-idle air/fuel mixtures are controlled by the idle jet which is fine-tuned with a screw. mainly doing this for us CV carb guys, but if you have a S&S or Mikuni you are welcome to chime in as well. The CV design was used from 1988, with the 1989 models getting an upgraded version with an accelerator pump. The fuel is being pulled through the main jet at idle, fouling the plugs. 1995 was a recall where those slide boots were replaced with nitrile, due to ethanol. USMC 1977-1981 Semper Fi! 48 slow, 195 main, 2 #4 washers under needle. 3. Kit includes CVP's custom needle, spring and vortex emulsion tube designed to correctly tune your stock Harley carburetor. The following information is most relevant for 1989-2006 models, although many of the principles are applicable to other Oct 14, 2013 · What carb jetting for rebuilt Evo. For use with 1990-1991* FL/FX Big Twins and 1989-1991 XL models using the early model Harley CV 40 carburetor with 2-piece bowl seals (see photo). The CV Performance Deluxe Tuner Kit w/EZ-Just for Harley-Davidson motorcycles is far more than a rejet or jetting kit. CNC machined from aircraft quality billet aluminum for precision and durability. The two throttle cable guides are interchangeable on the carburetor Apr 14, 2011 · The bike 1999 Softail Custom EVO 1340 currently has a SE slip on and I am going to put a Arlen Ness Big Sucker A/F kit on it. Tuning the carburetor. May 10, 2011 · Carbureted evo, twin Cam and Sportster engines can have their air/fuel mixtures corrected with one part - a stock Harley part - the needle from a 1988 or '89 1200 Sportster (HD part #27094-88). These jets are American made by Cycle Pro and guaranteed to fit all S&S® E/G carburetors, and Ultima R1 / R2 carburetors. Introducing our exclusive Basic Renewal Kit for early model 89-91 Harley CV style carburetors. Rejet kits are only to correct the basic lean stock jetting. May 7, 2007 · I have borrowed a spare CV carb which has a 175 main jet and a 45 slow jet. #9 · Mar 23, 2017. May 31, 2020 · You don’t necessarily have to take off your carb on your Harley Davidson Dyna when changing jets and shim needle in the tuning process. If the engine backfires or breaks up in the carb, increase the main jet size . $60. Sep 22, 2006 · My Stroker Evo (89") is running a EV27, Screamin' Eagle slip on's, Stage 1airbox & CV40 carburetor. Fits all CV carbs as fitted to XL, 1340 and 1450 models from 1989 to 2006, it comes with a selection of main jets, 2 needles, spring, jet holder and full instructions. By way of CVP's custom designed needle, spring, and vortex emulsion Jan 2, 2024 · The EVO Sportsters have used Keihin carburetors from 1986-2006. Saves 25% compared to ordering parts separately. Products 1-64 of 65. controls the slow jet's fuel delivery into the engine at idle and very low speed, and it is a simple adjustment. It comes fully assembled, making installation a breeze. Straight diameter section - In Keihin carburetors, either the last two digits or last letter denotes the diameter of the needle. Mark where the adapter should be permanently aligned on The CV Performance Deluxe Tuner Kit w/ EZ-Just for Harley-Davidson motorcycles is far more than a rejet or jetting kit. 3) Pilot jet (Slow jet): If unable to obtain a smooth idle with pilot screw, increase the pilot/slow jet until a smooth idle can be obtained. Above 4000 alt. Jets sold each. Jun 26, 2011 · I did one on my Buell S3T with great results and a dyno run to check the results. That should be a good starting point. Mar 28, 2016 · Jetting and tuning can adapt the original carburetor all the way up to a 95" big bore or slightly higher with some modifications, including high revving Buell models or bikes with wild cams. The higher the last two digits, the leaner the needle and the lower the letter, the richer the needle. 842 posts · Joined 2012. To test the main jet, do a roll-on from 50-mph to 70-mph in 3rd gear. . Aug 25, 2013 · Drill it to get to the mixture screw, then go with 47 idle and 190 main with an N65 needle. The following information is most relevant for 1989-2006 models, although The CV Performance Tuner's Kit for Harley-Davidson motorcycles is far more than a recalibration jetting kit. I was thinking of putting the sportster 88 needle, 45 slow and 165 main or leaving the OEM needle in and 45 slow and 180 main. Kawasaki CVK40. Mar 9, 2005 · This will support the carb and prevent it from tipping and rotating the manifold out of position. You might need a 195 main, if the pipe starts showing white/light grey soot. Removed the pump jet to check the valve underneath. NEW Stage 1 jetting kit for Harley-Davidson CV Carbs. I went with a #50 slow jet and a #200 main; it ran Jul 21, 2022 · Here's the order we recommend tuning the circuits of the Keihin CV carburetor used on Harley Davidson models. point-five-o Discussion starter. Note: Main jet is the big one on the middle/bottom of the picture. Cold starting and warm up. 50 posts · Joined 2006. There's no need for an elaborate kit or to make extensive modifications to the stock Keihin CV carb. Will raising the needle richer up the idle? Or is that only for acceleration. The following information is most relevant for 1989-2006 models, although many of the principles are applicable to other Needle jet/jet needle - Mid range circuit. Idle mix about 2 1/4 turns out. Fuel is metered through the main by the jet needle at different throttle positions. *MSRP pricing shown are from multiple all Harley carbs from 1989 to present that use the CV style Harley Davidson carburetor . Do this by drilling a series of 1/4" to 1/2" holes in the plastic cover. Includes 42mm carb, airbox adapter and chrome cover. J&P Cycles CV Recalibration Kit. I put a 48 pilot jet in and it was too rich I have a 46 in there right now and it is screwed out 3 turns, but it seems to blurb/ pop at idle. 4) make sure the idle passage and air bleed passage are free of debris. Hi everyone this is my first post on here. ) Not shown. The idle trim also effects top end, so try to stay between 1 to 2 1/2 turns out on it. 42-18 1999 to present Twin Cam, 199 0to ‘99 Big Twin Evo Includes 42mm carb, air box adapter, instructions. Don't cut the slide spring. Disconnect the fuel line and vacuum hoses. The EVO Sportsters have used Keihin carburetors from 1986-2006. Not for use or sale in California. Mikuni HSR Carburetor Parts. To access the jet needle, you need to remove your carburetor’s diaphragm, spring, and top cap. P. Push the jet needle out of the diaphragm and find the clip attached to the notches; it will be near the top of the needle. Since this configuration is pretty common, I wanted to check with the forumn experts to see if any particular jet sizes have worked well for others. Use different jets. CV Performance manufacturers the Harley N65C needle using the original factory profile spec while utilizing our own machining process not found anywhere else. The kit had the wrong float valve, so I used We carry the most common sizes for your Harley: sizes # . Back the screw out to slightly richen the idle mixture (½ to 1-½ turns will do it). Keihin 40mm CV Carburetor kit Harley Davidson Evo 1340cc 1984-Up. We also carry main jets for S&S ® Super carbs. * Size Original Harley P/N Keihin P/N #42 27171-89 N424-25B-42 #44 N424-25B-44 #45 27170-89 N424-25B-45 #46 N424-25B-46 #48 27165-90 N424-25B-48 #50 N424-25B-50 CVP jets are exclusively made by CV Performance in the United Feb 18, 2021 · Ladies and Gents, welcome back to Bumppo's Speed Shop, as always it is great that you are here watching! In this week's video, we are FINALLY starting this e Feb 26, 2004 · When the needle's straight part is smaller in diameter - which the early Sportster needle is - and the mixture gets richer, the engine runs better. that plug has to be removed. 99. Due to high demand there is a waiting list. I put a 45 pilot jet in and it ran too lean. CV Performance Ez-Just Air Idle Mixture Needle For Harley 1988-2006. So far so good has much improved the power and throttle response. Complete carburetor performance in an all-inclusive kit. Sep 21, 2008 · CV jetting depends on yer motor mods. 030 shim under the oem needle. all Harley carbs from 1989 to present that use the CV style Harley Davidson carburetor . A 29. To use a CV type air cleaner with these carbs, order the CV air cleaner adapter sold below. 00. Replaces OEM #27100-88. If its raised up from the screw being more than lightly bottomed out, the carb body is junk. I just redid these heads and had to put the new ignition module in cause I broke the other one putting it back in. But my previous knowledge is twin cams so this Evo is a whole different animal. Most every one I seen came with a main of 220, 48 pilot and a ''L'' needle. woods along with a few other companies leading the way in modding the cv Harley carbs appear to be drilling a 3/32 or a 7/64 hole in the butterfly valve to help on motors that tend to have lower vacuum due to cams with a lot of overlap. 375”. The CVP Rejet kit is designed for unmodified Harley CV carburetors and for riders seeking to "Jet it and Forget it" on a stock bike. Natural finish 40mm CV carburetor is for Harley Davidson 1340 EVO and Sportster models and is an accurate reproduction of the Venerable Keihin 40mm CV carburetor Kit. Mar 16, 2009 · Mar 16, 2009. Back the idle mixture screw 2 1/2 full turns. $4. Stock exhaust / Stock intake / Stock motor. The tower is plugged with a soft metal insert covering the mixture screw. carb. Im pretty experienced with pumper carbs like this, ive Aug 17, 2021 · The CV carb is more than sufficient up to 100 HP and there's no way you're going to make an 80" hit 100 hp (at least not without some serious amount of money and work). but by 1992 had changed to 165 main and 42 slow. Jun 1, 2004 · Harley's Keihin CV (constant velocity) carburetor is based on the basic Amal slide carb design from the early post-World War I era. From what i was told, the motor had a fresh top end on with now just about 1000 miles on it. uy hd mn xu gt qn sw mc vl zc