Since the mid-1980's, carburetors have basically disappeared from production cars and trucks. I have gotten 3 guestimates as to what's wrong it's just that they all say that if it truly. Your EFI Sporty just runs like shit, your dealer cannot help you. You get every feature and improvement starting with the power of the all-new Twin-Cooled™ Milwaukee-Eight™ 107 engine. My 2008 Ultra had a service bullitin and they had to make the adjustment in the computer. First, we got up close and personal with MSD's entry-level Atomic EFI—which simplified installation. com FREE DELIVERY possible on eligible purchases. Honda Engines offers a variety of small 4-stroke engines for lawn mowers, pressure washers, generators, go karts, and a wide variety of other equipment. The solution to your problem is the same no matter what Ultra you ride. As I am at an idle I smell rich exhaust, like I still had the carb on. I have have been dealing with this P0171 diagnostic trouble code for many years on many different year make and model vehicles. Carburetor and Fuel System Troubleshooting Guide. I believe the TPS is original but it still seems to work smoothly and repeatably. Fuel injectors are connected to pressurized fuel lines. Calibrating idle mixture on an Edelbrock carburetor is controlled by equally adjusting the two screws at the front of the carburetor. Slow Jet: Controls fuel mixture from 1/8th throttle opening to 1/4 throttle opening Needle jet (both the taper of the needle and the circlip position on the end): Controls fuel mixture through the midrange from 1/4 throttle opening. Pro-Flo 4 is not just a replacement for your carburetor, it's a complete engineered system that provides the ultimate in performance, drivability and quality. What type of spark plug wires should I use with the Dyna 2000 ignition?. Starts every time and runs fine but once you let - Harley Davidson 2003 FXST Softail Standard question. We offer vehicle-specific IAC valves designed with your make and model in mind, whether you're looking for an idle air control valve for Nissan Altima or a Ford Focus idle air valve. The fuel injection system in the car must supply fuel to the car engine with a constant optimal pressure. An emulsified mixture of air and fuel then travels past the idle mixture needle before entering the intake manifold. Another question I often get is, “Would you rather tune a carbureted or fuel-injected Harley?” Carburetors are pretty simple. Power Vision; Power Vision CX; Support. There is good fuel psi, just changed the fuel pump relay. The system is required in order to detect the evaporative fuel system leaks as small as 0. Rated 5 out of 5 by Callaghan from Worked on my 2006 Dyna Streetbob The fitment says 2004-2005 but the paperwork with the part says it works for any 2004+ dynas. An engine's vacuum readings can tell an awful lot about its running parameters, provided you know how to read the gauge in the first place. The symptoms include stalling when coming to a stop, or very low idle after starting, or stalling if the throttle is "blipped" (opened and closed quickly). Article courtesy of American Iron Magazine The Harley-Davidson ESPFI system is known as a Speed/Density, Open Loop, Sequential Port Fuel Injection system, that controls both fuel flow, and spark timing. The idle speed is more than just a number: Harley V-Twins need to idle at the correct speed to make shifting into neutral easier to ensure you get engine braking when you shut the throttle and to get enough oil supply up to the rockers as well as valve gear. Related Videos: Harley-Davidson® Throttle Cable Repair How to Replace Brake Light Switch on a Harley. Did another quarter turn, it coughed once. When the throttle position sensor malfunctions, incorrect data or no data at all will be transmitted, which can lead to misfiring or the aforementioned irregular idling and stalling. I get the bike together and slap everything back in everything works just fine but the bike will not idle. The Harley faithful were leery of the electronic technology that replaced the venerable, easy-to-tune carburetor. That sounds like a fuel problem. Nothing outragous but just one time it will barely be idling high enoug to keep running and then the next time I ride will be idling a bit high. If adding fuel on the green pot causes decreased performance, follow this procedure: - Make sure the bike idles at 1000 to 1050 rpm. Contributed by: Enginebasics. Check for miss-adjusted fast idle cam screw, or idle screw. The Tri Glide® Ultra is everything you love about the Ultra Limited, only on three wheels. If an engine has fuel, spark and compression and the timing is reasonably close, it has to run as. Gasoline is a great solvent and it can actually wash oil off the walls if you run your motor in those cold idle conditions for an extended period of time. Honda Engines offers a variety of small 4-stroke engines for lawn mowers, pressure washers, generators, go karts, and a wide variety of other equipment. If the Harley spring and plunger are used, the plunger does not seal and the choke is open all the time. Fuel injectors become clogged due to hydrocarbons, sediment and other elements in the fuel. Part number F81Z-9C407-AC. That's the problem, you're actually putting extra fuel into the combustion chamber to make it burn and some of it can get onto the cylinder walls. The March 2009 (page 66) Cycle World dyno tested a set of slip-on mufflers on an '09 FLH, getting 5% more HP and 9% more torque on a "bone-stock, including EFI mapping" bike. The first fuel-injection system on a streetbike debuted in 1980, but for the most part, carbs were how motorcycles mixed air and fuel right up to the turn of the century. Proper tuning for your Harley Davidson Fuel Injection Tuning your Harley Davidson's fuel injection with the BoosterPlug couldn't be easier. Fuel injected bikes aren’t prone to the dreaded dirty carburetor nuisance like older bikes were, and are lower maintenance that way. Fuel injected cars have an automatic fuel enrichment program managed by the computer, fuel injected motorcycles have a manual enrichment which from operators perspective works just like a choke, on my FI bike its a knob you pull out to activate and push in once the bike warms up, it enriches the gas mixture and speeds up the idle. The screw adjustment (explained in the video) is used to fine tune this adjustment at idle speed only. If it were me, I would look into cleaning the idle control valve. HyperSpark Ignition. Our fueling optimization device is easy and simple to install and there is no need for extended setup and adjustment sessions. A carbureted bike with a fuel filter is a bit easier therefore read How to Replace the Fuel Line In a Dirt Bike for instruction on removing the fuel filter. A broad range of problems can cause rough idling in a motorcycle engine. A problem with fuel delivery, spark plug operation or metering of the air-fuel charge can cause problems at idle that may not be obvious at higher rpm ranges. Residue from the rust gets into the injectors when the fuel filter is in bad shape. Holley, FAST, and Professional Products have these systems. Engine Idle Is Too Low Or Stalls Dirty Throttle Body. Getting the fuel to the engine is a lot different today than it was back in the days of carburetors. What is HEST? HEST – “High Energy Solvent Technology,” a Berryman exclusive, incorporates the use of strong solvents, as opposed to weak carriers and diluents such as mineral spirits or kerosene. got stuck in road construction, gettin hot so he yurned around, started spittin, sputterin, and backfirin all the way home. Once this is done, increase the idle speed to the normal one for your bike, typically. #3 Excessive fuel pump pressure: Avoid extremes in fuel pressure. FAST is the leading developer of electronic fuel injection systems, EFI components, intake manifolds, tuning tools for high performance and street applications Fuel Air Spark Technology JavaScript seems to be disabled in your browser. This is not to say that detonation cannot become an issue on other automobiles as well, as it definitely can. My friends at Doyle's Harley-Davidson of Eugene, Oregon were kind enough to loan me a new 1999 Wide Glide to test. The most common problem with the purge valve is when it sticks or does not close fully. Other problem areas include cracked or improperly connected vacuum lines or a clogged exhaust system. Shop our complete selection of Harley-Davidson Motorcycle parts and accessories including the Feuling Parts Idle Air Control Module - 9951. 98 with the throttle closed. Gasoline is a great solvent and it can actually wash oil off the walls if you run your motor in those cold idle conditions for an extended period of time. com offers sales and technical service for Ron's Fuel Injection systems and related components - 3X Bracket Driver of the year James Monroe. Power Vision. A fuel injected engine may backfire if an intake leak is present (causing the engine to run lean), or a fuel injection component such as an air-flow sensor is defective. The is an introduction to tuning with a programmable electronic fuel injection ECU. 2015 Harley-Davidson FLSTN Softail Deluxe on www. Twin Cam 103™ Engine Power: Live your ride to the power of 103. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. Recommended 91 octane or higher fuel (R+M)/2. Direct fuel injection systems operate at fuel pressures from 500 Psi at idle all the way up to 3000 Psi. The exact TPS voltage varies with where I have the curb idle set as I’ve been playing with it but it’s always. All such systems typically have self-programming features and the advantage of a simple installation. An area often overlooked is the performance of the fuel system not while the engine is running, but when it is shut off. ( I said cause and not problem, because the popping is not at all damaging to the bike). The Performance Problem: All current Harley motors are V-twins. We have had 30 percent plus gains and still retain good fuel mileage. Welcome to Harley Chat Group. I used to run an 850 Holley. Disconnect the hose clamp that secures the fuel line to the petcock with a flat-head screwdriver. Specifications. Even Harley-Davidson recognized that there was an issue and put out an EFI download to improve the situation for FLH’s. It’s a performance punch that you’ll appreciate when passing, climbing hills, or rolling with luggage packed or a passenger in back—all under that. 59 lakh (ex-showroom) in India. If it were me, I would look into cleaning the idle control valve. At wide-open throttle (WOT) operation the fuel/air mix is dense and combustion is rapid, so no additional advance is needed. AFI Australia for the largest range of Fuel Injection and Engine Management parts for Wholesale and Trade Customers including Fuel Pumps, Lambda Sensors, Throttle Body, MAF, Fuel Injector, Fuel Injection Pump, Oxygen Sensor, Position Sensor, Coil Pack, MAP Sensor, Submersible Pump, O2 Sensor, Diesel Injector, Crank Sensor, Diesel Filter, Air Flow Sensor, Crankshaft Sensor, Crank Angle Sensor. It's up to the fuel pressure regulator to maintain a high-pressure level, but keep the pressure constant in order for all of the components of the fuel injection system to work. For a modern electronic fuel injection system to function properly, there must be an accurate and continuous flow of electrical signals from the various sensors that supply information to the PCM (Powertrain Control Module). Starting in 2007, all Harley models are shipped with EFI, including Sportys for the first time. One of the most common symptoms commonly associated with a problematic idle air control valve is irregular idle speed. In theory Harley's fuel injection system is still an open-loop system by design. Gasoline is a great solvent and it can actually wash oil off the walls if you run your motor in those cold idle conditions for an extended period of time. To check the idle air control motor remove the unit, with the wires connected turn the key to the on position without starting the engine, the idle air control should move in or out. The exact TPS voltage varies with where I have the curb idle set as I’ve been playing with it but it’s always. Condensation, rain, vibration (they are Harley-proof), car washes, gunk sprays, salt exposure, won't kill the electronics or the wiring. The transition from idle to part-throttle is essentially the hand-off of the Idle System to the Primary Main System. 2L) I6 isn't a power house, but it has gobs of low RPM torque that makes it a great engine off-road. Switching from a carburetor to electronic fuel injection is critical for gas savings. The 2009 Harley-Davidson XR1200 starts at $10,799 if the simple Black color scheme is what the rider chooses and at $11,079 for the other two special colors that we've mentioned at the exterior. Harley-Davidson introduced electronic fuel injection (EFI) to its product line in 1995. Next Video: Harley Rear Brake Caliper and Pad Service. Classic Fuel Tank:Part of the unmistakable style of the Harley-Davidson® Electra Glide® Ultra Limited motorcycle is plenty of room for showing off your paint. If you read some of The earlier posts here I have been installing camshafts with the SLM module for a couple of years now. The idle air control valve is programmed to regulate and maintain the engine idle speed at a constant rate. The Harley CV carb uses an Idle mixture adjustment screw instead of an Idle Jet but many motorcycle carbs do not. Pure Harley-Davidson styling: Feast your eyes on the Twin Cam 96B™ counter-balanced engine and there's no mistaking its roots. 2001 harley davidson ultra classic. Surging Idle, Long Starts, Erratic RPM Behavior, Bucking at low RPM. Now, with the engine off, see if the fuel pressure drops like a rock. Accel has 6 of 10 different profile camshafts specifically designed to work with fuel injected twin cam engines. 98 with the throttle closed. Better AFRs equal better idle quality, better starting, and better overall drivability throughout the rpm range. Speed/Density – An Electronic Control Module (ECM) monitors manifold air pressure,. Advance Auto Parts is your source for quality auto parts, advice and accessories. Even if you can. Fuel economy and mileage may vary among motorcycle models within a family. Welcome to Harley Chat Group. FASS diesel fuel systems are the preferred fuel air separation systems among discerning drivers worldwide. #3 Excessive fuel pump pressure: Avoid extremes in fuel pressure. Fuel Economy estimated from fuel economy tests on a sample motorcycle from the corresponding family conducted by Harley-Davidson under ideal laboratory conditions. The engine is a 468ci big-block with a mild hydraulic roller cam, a TH400, a warmed-over converter, and 3. Bad Fuel - Bad fuel will cause your engine to run erratically. Arguably the most important instrument in your day-to-day activities is your car. For multipoint injected engines, the fuel pressure at idle better be much lower than pressure at wide-open throttle. 1690cc unit with electronic sequential port and fuel Injection (ESPFI). It was mainly to prove that all things really have a common denominator. Your modern car has fuel injection and you don't give it a second thoughtand you shoudn't with your Harley either. 2007>Later Harley-Davidson Engine Performance There is more independent proof that you do not need to remap the HD EFI when installing mufflers. If no fuel is in the fuel bowl, fill the bowl up with clean fuel and if it starts replace the pump. The Harley-Davidson systems are open loop. The symptoms include stalling when coming to a stop, or very low idle after starting, or stalling if the throttle is "blipped" (opened and closed quickly). (It got hard to ignore fuel injection around that time, anywho. Throttle Body with Fuel Injection Below Butterflies. My fuel injected bike dies at idle and the company says its normal?! Help please! even if they are fuel injected, because that is simply the nature of these. In order for it to do it right, it needs help with one unknown - how much air is entering the engine. got stuck in road construction, gettin hot so he yurned around, started spittin, sputterin, and backfirin all the way home. Fuel injection or not, our Electra Glide started easily and soon settled into that familiar its-gonna-stall idle. As the horsepower goes up, so does the number of potential situations that impact performance or create problems. A leaking fuel valve can be caused by long term storage. Did a quarter of a turn, no difference. Read the forum "won't start" threads and just tried the advice saying to turn the idle screw in. Power Vision FAQs; Power Vision CX FAQs. I'm stuck trying to make sure a mechanic isn't taking advantage of me. If an engine has fuel, spark and compression and the timing is reasonably close, it has to run as. A broad range of problems can cause rough idling in a motorcycle engine. This includes new 5. Please help - any advice will be greatly appreciated!. You can list all 2004 Harley-Davidson FXDI Dyna Super Glide available and also sign up for e-mail notification when such bikes are advertised in the future. Admittedly, this description does not include everyone. 2L V-8s equipped with GM’s Dynamic Fuel Management, which actively shuts off any number of cylinders required to optimize fuel economy — meaning it can idle efficiently on a chilly job site while running on a single cylinder. Can fuel line leak suck air & cause rough idle & no power? Also the idle has been getting a bit rough and sometimes when you step on the accelerator from a low speed you get nothing, almost like it has no fuel. As no surprise, with the Hilborn EFI system installed and the FAST engine management computer dialed in, Jeff noticed an immediate improvement in the big-block's drivability, idle quality, and. The Delphi efi is a way better system. We have had 30 percent plus gains and still retain good fuel mileage. Disconnect the hose clamp that secures the fuel line to the petcock with a flat-head screwdriver. Learn the 6-step process of EFI fuel conversion. Rather than restricting air like a conventioal choke it increases the fuel. All too often, technicians assume fuel pressure is "good" without actually measuring it with a gauge. Lectron Technical Information. I thought the inline fuel filter was plugged. It is not a fastener, it is an adjustment needle, really). I am having ah serious issue here where my 2006 road glide fuel injected it will just not idle. This is not to say that detonation cannot become an issue on other automobiles as well, as it definitely can. This is my first Harley and could use some tips,thanks. The normal idle RPM for fuel injected Twin Cam engines is 1000 RPM. com Features and Benefits. Harley Davidson Forums that most twin cams r fuel-injected. 2009's are fuel injected, if my memory serves me. I take ABSOLUTELY ZERO CREDIT for the length of material you're about to read, however I have made a few comments in-text that you can see which I will highlight in green. Find New Old Stock (NOS) and used Harley-Davidson and Aftermarket Air Cleaners, Carburetors, Fuel-Injection parts right here. There's only one carb. Recommended 91 octane or higher fuel (R+M)/2. I will preface my comments by saying I have never attempted to run mechanical injection on the street, but have driven a sprint car with one. Fuels containing alcohol are more likely to vapor lock on hot days. Original review: Sept. When the vehicle stops moving, the PCM may not engage the idle speed motor (carbureted engines) or idle air bypass motor (fuel injected engines) so the engine will idle normally. Plug is dry and kind of brown - replaced anyway just in case - won't start. Those that got their bikes to the dealer or any Harley dealer had to leave the bike, then the dealer sent the engine back to Harley Davidson, it was replaced with a new engine. By design, there’s really only one thing that can fail on a regulator, and it's pretty rare. There are 7 complaints filed for the 2003 HARLEY DAVIDSON HARLEY DAVIDSON. Rode into town the day after Galena. So to increase engine output, either the airflow capacity must be increased or the fuel/air charge burned more effectively. The Sportster and Buell Motorcycle Forum - The XLFORUM® > SPORTSTER MOTORCYCLE FORUM > Sportster Motorcycle Intake and Exhaust > Sportster Motorcycle Air intake, Carburetor, EFI, Fuel, and Exhaust > Bike wont idle unless at least at half choke details inside. adjustment before proceeding. Two Desperados (who's names don't serve the issue) with the mission to save the knowledge of classic motorcycling will guide you through this illustrated guide of performance recovery. The fuel calculation automatically senses the extra air and AFR, so there’s extra torque produced at idle to increase idle speed or decrease idle speed if the RPM doesn’t match the Target Idle RPM. The idle air control valve opens during deceleration to provide that air. Clutch Kits; Wideband CX; Power Vision CX; Intercoolant Coolant Expansion Tank; Active Power Mode Switch ; UTV Power Packages; Accessories; Tunes. What you're actually doing is loading in a new map for the fuel injection to put more fuel in the mix. To contact the administrator click here. From EFI to Carburetor Upgrade Instructions. Authentic Styling Classic Fuel Tank: Part of the unmistakable style of the Harley-Davidson® Road Glide® Custom motorcycle is plenty of room for showing off your paint. An area often overlooked is the performance of the fuel system not while the engine is running, but when it is shut off. What Happens When the Timing Is Advanced It has long been held, and demonstrated at the Club's Dyno Days, that advancing the timing to 13 to 14 degrees before top dead centre (BTDC) is a cheap way of achieving lower rpm performance in the Mazda MX-5 1. 1450 Domestic/HDI 0. setting codes. Better AFRs equal better idle quality, better starting, and better overall drivability throughout the rpm range. It won’t work with individual “zoomie” style headers because the sensor would only read one cylinder. (It got hard to ignore fuel injection around that time, anywho. Harley Davidson Sportster Service and Repair Manual (XL883, XL1200) Buy the Harley Davidson Sportster service and repair manual and learn to perform every service and repair job on your Sportster 883 and 1200 model motorcycle. Also includes links to relevant forum topics on the code. Your EFI Sporty just runs like shit, your dealer cannot help you. A fuel injection conversion replaces a carburetor with a fuel injection system. This causes the idling speed of the engine to change as needed. Essentially, that means that the fuel injectors should last as long as the car does. ) have been made. The water in the fuel cause internal components to rust. Find CHEVROLET 5. 5 US/Canadian models only). Do this only for two strokes that have an oil injection pump. Essentially, that means that the fuel injectors should last as long as the car does. If the idle speed increased, adjust the idle speed knob to return the bike to a real slow idle speed. Carburetor Rebuild or Replace? – How to Choose. When performance suffers, the task of figuring out where to just start often creates confusion. More than fifteen years of testing and a collection of the finest components won't let you down. Clogged injectors 4. AFI Australia for the largest range of Fuel Injection and Engine Management parts for Wholesale and Trade Customers including Fuel Pumps, Lambda Sensors, Throttle Body, MAF, Fuel Injector, Fuel Injection Pump, Oxygen Sensor, Position Sensor, Coil Pack, MAP Sensor, Submersible Pump, O2 Sensor, Diesel Injector, Crank Sensor, Diesel Filter, Air Flow Sensor, Crankshaft Sensor, Crank Angle Sensor. Shop for Fuel and Air Intake Systems, like JD Jetting Power Surge 6X Fuel Injection Tuner at Rocky Mountain ATV/MC. OK here goesI'm not a mechanic but my husband is and he's tried explaining it to me this way: the angle of the 2 cylinders causes the uneven firing which we hear at idle. The idle air control valve is programmed to regulate and maintain the engine idle speed at a constant rate. This is a 916 std fuel map, but it’ll do just fine for now. Verified that fuel is getting from tank to carb. Express Auto Inspections says: While modern vehicles use a fuel injector system to burn gas, many older cars use a carburetor to process fuel. Thanks for your support!. How do I know if it's my fuel pump or the fuel filter 46 Answers. My fuel injected bike dies at idle and the company says its normal?! Help please! even if they are fuel injected, because that is simply the nature of these. Fuel injected Harley Manual Idle Speed Control - Duration: Harley Davidson low idle speed idle control valve. The engine in your 2003 Harley Davidson Motorcycle FLTRI Road Glide requires three basic things to run: fuel, air, and fire. That happened to me a few years ago, it was the sidestand. 6 litre cars. It was forced to recall 24,000 bikes, such as its Chief Classic, Chieftain, Roadmaster, and Springfield models, for potential fuel leaks. Gas can go stale in as few as 30 days, especially fuel mixed with ethanol as it is in many areas. Find out what the RVP of the fuel in the boat’s fuel tank is. If you've ever had a dirt bike that the throttle sticks, or that the throttle return action is a little slow and stays on long after you're done using it, or if you've ever had to (or still do now) turn the throttle back to closed manually when you are ready to shut-off, you're braver than I if you're still riding it and the tips below will ensure your throttle reliably snaps shut and should. Abnormal combustion, more commonly known as knock or detonation, has been the limiting factor in internal combustion engine power generation since the discovery of the otto cycle itself. This adjustment controls the throttle butterfly valve opening at idle and in turn the idle air flow. If an engine has fuel, spark and compression and the timing is reasonably close, it has to run as. if i spray starter fliud into the booster in will start up. VT750DC Factory Specifications and Guide Links: Here you will find specs for the VT750DC motorcycle including both stock and dyno horsepower and torque ratings. International. For older Magnetti Marelli fuel injected bikes, adjusting the fuel table to remove fuel can help reduce popping. Gasoline is a great solvent and it can actually wash oil off the walls if you run your motor in those cold idle conditions for an extended period of time. 0L/305 Fuel Injection Systems and get Free Shipping on Orders Over $99 at Summit Racing!. We installed the. Fuel injected Harley Manual Idle Speed Control - Duration: Harley Davidson low idle speed idle control valve. CARB and you still have the SAME problem which is the bike won't idle. 7:1 for gasoline, and you’re good to go. The Harley-Davidson ESPFI system is known as a Speed/Density, Open Loop, Sequential Port Fuel Injection system, that controls both fuel flow, and spark timing. Another question I often get is, “Would you rather tune a carbureted or fuel-injected Harley?” Carburetors are pretty simple. Sniper EFI Stealth 4500. ADJUSTMENT on page 1. This system not only uses spark and fuel "maps" but also feedback from an exhaust gas oxygen (O2) sensor to continually adjust the amount of fuel delivered. In some cars, a stuck-open purge valve can cause difficulty starting right after refueling at a gas station: for the first few seconds the engine may run rough and stumble. In a diesel the sensor will control the fuel injection. That's the problem, you're actually putting extra fuel into the combustion chamber to make it burn and some of it can get onto the cylinder walls. These Dyna repair manuals are year/model specific. Everything has to be on-spec for proper performance. what do i do??? thats alot of money. The system is required in order to detect the evaporative fuel system leaks as small as 0. Podcast-So, you may have heard the vicious rumors going around that Harley-Davidson dealerships are voiding warranties if you install aftermarket exhaust, remove catalytic converters, or install electronic fuel injection (EFI) tuners on your new 2017 model equipped with the Milwaukee-Eight motor. Did a quarter of a turn, no difference. Irregular idle speed. There are more than 33 items, which if faulty, that can cause engine hesitation and stumble problems. A year or two ago I converted a Citroen I bought in France to a throttle body fuel injection setup. Even Harley-Davidson recognized that there was an issue and put out an EFI download to improve the situation for FLH’s. Everything has to be on-spec for proper performance. The fuel calculation automatically senses the extra air and AFR, so there’s extra torque produced at idle to increase idle speed or decrease idle speed if the RPM doesn’t match the Target Idle RPM. I believe the TPS is original but it still seems to work smoothly and repeatably. Harley Ultra may refer to several motorcycles including the Tourglide Ultra equipped with an Evolution engine and the Tri Glide Ultra and Electra Glide Ultras with the Twin Cam engine. We have had 30 percent plus gains and still retain good fuel mileage. This classically styled, bold six-gallon fuel tank doesn't just give you a bigger canvas for premium or custom paint; it holds six gallons of go so you can eat up a lot more road between pit stops. Probably the most common problem that causes idle problems in multiport fuel injected engines is a carboned-up throttle body. Slow Jet: Controls fuel mixture from 1/8th throttle opening to 1/4 throttle opening Needle jet (both the taper of the needle and the circlip position on the end): Controls fuel mixture through the midrange from 1/4 throttle opening. Buy Standard Motor Products Idle Air Control Motor Assembly MC-IAC2: Idle Air Control Valves - Amazon. Disconnect the hose clamp that secures the fuel line to the petcock with a flat-head screwdriver. " This fall the icon gets. mike kloeber's nitro university - course 4, fuel management systems Thu, 2009-06-25 20:00 The purpose of this series is to bring a fuller understanding of the major components of Top Fuel Dragsters and Funny Cars with an insider’s perspective. A fuel injection conversion replaces a carburetor with a fuel injection system. Harley-Davidson's Big Twin is the heart and soul of America's most famous touring bikes. The Causes of Internal Engine Knock, and How to Eliminate it. Posted on Oct 07, 2009. Tried opening the butterflies a little. View car care tips, shop online for home delivery or pick up in one of our 4000 convenient store locations in 30 minutes or less. dies at stops. Ok, let me give a "full disclosure" response here. Recommended 91 octane or higher fuel (R+M)/2. A year or two ago I converted a Citroen I bought in France to a throttle body fuel injection setup. The March 2009 (page 66) Cycle World dyno tested a set of slip-on mufflers on an '09 FLH, getting 5% more HP and 9% more torque on a "bone-stock, including EFI mapping" bike. I cleaned the carb by letting it soak in a gallon bucket of carb cleaner for 3 days and blowing all passages out with air. Shop Fuel Injection Components And Other Parts For Harley-Davidson Online With EasyR Australia. We have had 30 percent plus gains and still retain good fuel mileage. They sent out recall notices to everyone that gave a correct address. Re: 2007, C50 Blvd, stored, bad gas, runs, won't idle Post by Shady » May 5th, 2010, 1:02 pm If it was mine, I would change the plugs, get as much of the bad gas out of the fuel system as I could. Your ride has the later Delphi injection system, and it can be set up to run better than any carb by a competent tuner using SERT, PCIII, DTT, ect. Fuel Pressure Leak-Down Test. You cant expect to idle for long when the engine is cold. I'm stuck trying to make sure a mechanic isn't taking advantage of me. 2L V-8s equipped with GM’s Dynamic Fuel Management, which actively shuts off any number of cylinders required to optimize fuel economy — meaning it can idle efficiently on a chilly job site while running on a single cylinder. The fuel system pressure must be tested to see if the fuel delivery system is the problem. Also, he said owners of newer cars and trucks will likely not notice any benefits when using fuel-system cleaner because carbon deposits won't have had a chance to form in these factory-fresh. ADJUSTING THE POTS Green Fuel Pot: (functions like a fuel mixture screw and pilot jets on a carburetor) Adjusts for the motorcycle's fuel requirements during light load operation, from idle through highway cruising speeds and steady throttle, at or below the rpm set by your rpm pot. Although fuel injectors are individual, they are designed to work as part of a team with the other injectors. Electronic fuel injection is of course more capable and clever, but carburetor engineers have developed some very elegant solutions that work quite well!. When I got it back from the shop that installed it, it seemed to run good, but after a few days of driving, I encountered an off idle stumble, and it seems to be running a little rich I think. Welcome to Ford F150. Fuel pressure should be a constant 10 - 15 PSI on a TBI fuel injection system and is typically around 12 - 13 psi. The idle speed is more than just a number: Harley V-Twins need to idle at the correct speed to make shifting into neutral easier to ensure you get engine braking when you shut the throttle and to get enough oil supply up to the rockers as well as valve gear. Totalmotorcycle. I cleaned the carb by letting it soak in a gallon bucket of carb cleaner for 3 days and blowing all passages out with air. As part of my project to convert a 1965 aircooled Corvair engine into an experimental aircraft engine, I have been working on building and setting up an engine control unit (ECU) to control the electronic fuel injection (EFI) and the ignition timing. going steady down the road it is smooths as glass. Carburetor and Fuel System Troubleshooting Guide. Nightrider with its background and experience in fuel injection systems was able to quickly identify the HD supplied narrow band O2 sensors and the OEM EFI operating in closed loop mode as a significant source of the complaints. This article applies to the Harley Davidson Sportster (1986-2015). This page is dedicated to the owners of these vehicles equipped with GM's dual point fuel injection (model 220 TBI). If the pressure in a multipoint injected engine doesn't change with power demand, see if the vacuum hose to the pressure regulator fell off. Twin Cam 103™ Engine Power: Live your ride to the power of 103. Some of our overseas customers desire to lower the idle RPM to simulate the sound of classic Harley-Davidson® engines. Direct replacement for Harley p/n 27658-06 on 2007+ EFI models except XL Sportster and 08+ TBW touring models. Verify fuel pump runs when key ON. Classic Fuel Tank: Part of the unmistakable style of the Harley-Davidson® Road Glide® Custom motorcycle is plenty of room for showing off your paint. You may have a misfire, a vacuum leak, or a clogged/faulty idle air control valve. Fuel Economy estimated from fuel economy tests on a sample motorcycle from the corresponding family conducted by Harley-Davidson under ideal laboratory conditions. When the valve is open, the pressurized fuel passes through the fuel injector into the combustion chamber. We installed the. The main factor driving this was emissions compliance and fuel economy standards but everything has improved because of it. The most popular fuel injection tuning aid, by far, is Dynojet's Power Commander. In-Tank Retro-Fit Fuel Module. The idle circuits in a CV carb draw fuel through an idle jet in each. Carburetor and Fuel System Troubleshooting Guide. Home Features Blog Motorcycle Fuel Stabilizers and Short-Term Storage.