What Causes Engine Idle Speed to be High or Low. Just Plug And Ride. The fuel system pressure must be tested to see if the fuel delivery system is the problem. going steady down the road it is smooths as glass. You got an air leak in the carb manifold or gasket. That system was used on all the Evo EFI bikes, as well as the '99-'01 Twin-Cam touring bikes. On those you can, many are difficult. That means if you own a mid-1990s or later Harley, chances are high that you have a fuel injected model. Looking to trade for a fuel injected samurai in decent condition doesn't have to run or look good or even have all its parts let me know what you got This one is a Carbureted model with the harly conversion kit Got a expensive paint job on it had the wheels painted as well. I have a 1995 electra glide fuel injected starting goes high idle and stays there - Answered by a verified Motorcycle Mechanic We use cookies to give you the best possible experience on our website. These signs include a drastic decrease in fuel economy, black smoke appearing from the exhaust, sluggish acceleration, the engine spitting back through the carburetor, or hesitating upon acceleration. This system is a speed/density, open loop, sequential port fuel injection design that also controls spark timing and spark intensity. The air cooled Twin Cam 103™ Harley Davidson® engine delivers more stump pulling torque, while its Electronic Sequential Port Fuel Injection jetting gives crisp, lively throttle reaction. The tank-mounted gauges engulfed in chrome, authentic leather fuel tank panel, unique battery box cover, solid stainless steel pullback handlebar, and fuel tank medallion that oozes iconic Harley-Davidson attitude all make this bike one-of-a-kind. Pro-Flo 4 EFI systems feature a high performance Edelbrock intake manifold with a 1,000 cfm throttle body, fuel rails and individual injectors for each cylinder. When I run at highway speed, everthing seems normal. Since your 110 is going to idle at a higher speed simply because of the EFI, you're not gonna idle like that, but if you were to switch your exhaust to something like Rinehart True Duals, or Vance & Hines duals, you'd get as close to that sound as you can. This diagnostic will tell you what to look for if yours is smoking more than normal. When this happens, the fuel injectors will spray fuel in a jet instead of a fine atomized mist and/or no fuel at all. An additional kit is offered for vehicles already equipped with a high-pressure fuel pump. A damaged fuel injector will not only causes issues with driving, but the effects will persist even as the engine idles. This EZ-EFI self-tuning fuel injection system Maste Kit from FAST includes an inline fuel pump kit. (Three types, if you count injector pulse, but injection timing on gasoline-powered busses is tied to ignition timing and is not separately adjustable so I will ignore it, as should you. In theory Harley's fuel injection system is still an open-loop system by design. Although I don't know much about fuel injection on Harleys (H-D will not tell you much about it unles you are one of their technicians), I don't think the system is equipped with an engine temp sensor. Wiki User 05/21/2009. com offers sales and technical service for Ron's Fuel Injection systems and related components - 3X Bracket Driver of the year James Monroe. Elevation is at 0-200m. DOM—8/84-11/86. EFI - Electronic Fuel Injection EFP - Electronic Fuel Pump ET - Engine Temperature sensor FI - Fuel Injectors FPR - Fuel Pressure regulator H-DSSS - Harley-Davidson Smart Security System HCU - Hydraulic Control Unit, ABS [/stag_one_half][stag_one_half_last] HFSM - Hands Free Security Module HO2S - Heated Oxygen Sensor. (It got hard to ignore fuel injection around that time, anywho. Over time the fuel line is 'worn through' and it creates an issue with loss of fuel pressure. Harley-Davidson Electronic Fuel Injection Project: Maximum Air Delivery (MAD) is required in order to create a high performance engine. The only fuel injected intercooled Harleys that hold national drag racing championships or Bonneville records come from one place. Other styling cues include the peanut fuel tank. The injection system is well designed and of excelent quality. As an example, it happens quite a bit when I get off the fwy having rode for about 15-20 minutes at high fwy speeds. The number one cause for high idle is an imbalance in air pressure. Highlight the zero percent column from 2,000 rpm to redline and enter in values from -40 to -50. Manifolds became more complex, and plastic became a popular material for casting manifolds due to its low weight and cost. This diagnostic will tell you what to look for if yours is smoking more than normal. 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. While not quite as crisp as the fuel-injected 907. going steady down the road it is smooths as glass. It's not because of carburetors. Target Air/Fuel Ratio Most high performance engines will idle well with a target air/fuel ratio between 13. ) Now, I work with folks who, by and large, ride fuel-injected motorcycles. Although I don't know much about fuel injection on Harleys (H-D will not tell you much about it unles you are one of their technicians), I don't think the system is equipped with an engine temp sensor. Learn more at Holley. It's not the 2-valve heads. The TCFI is a fully programmable plug-in replacement 2012 and later models with CAN bus. I get off the off ramp, down shifting like I normally do to a stop and the idle in 1st gear at stop stays very high, as if the throttle is stuck. EFI no more fueling around. When it comes to your Ford F-150, you want parts and products from only trusted brands. These things can cause erratic idling and strange running. Fuel supply to engine would be partially interrupted, resulting in stalling. I am still fighting a stalling problem with my 1981 Imperial. Harley-Davidson Motor Co. Skip to the section that applies to you: Engine Idle Is Too Low Or Stalls or Engine Idle Is Too High. The fix: Adjust ignition timing. Just Plug And Ride. These upgraded 1200cc evolution sportsters were produced from 1996 - 2003. Also cleaned out sand and. Direct fuel injection systems operate on the same principal as manifold fuel injection systems except that with direct fuel injection systems the fuel is injected directly into the combustion chamber instead of the intake manifold. Engine Idle Is Too Low Or Stalls Dirty Throttle Body. com FREE DELIVERY possible on eligible purchases. 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. From GM's factory COPO Camaro to NASCAR to your car, get the new standard in fuel injection with Holley's fuel injection kits and EFI systems. As the engine speed begins to drop, the computer adds a couple of degrees of timing. the mass of air can be calculated and the appropriate amount of fuel injected. The fuel pump, which is responsible for pulling fuel from the gas tank to the fuel injectors, can become clogged or defective. The mechanic changes the big modulator ($500) but nothing changed. Find the Accel U-Groove Spark Plug - 2418 at Dennis Kirk. I have now tac, but I am sure its like 3,000 rpm. the bike comes with 1 key, and a quick connection for a trickle charger. Magneti Marelli (MM) designed Harley-Davidson's first incarnation of fuel injection. The engine was firing and running but at an extremely high idle. The feel of this carb is just impressive. Turn off main and handlebar switches then verify all connectors are fully seated. I am still fighting a stalling problem with my 1981 Imperial. This Harley will be racing at 2,000 rpm at walking speeds indefinitely until you stop. On top of low prices, Advance Auto Parts offers 2 different trusted brands of Fuel Injection Idle Air Control Valve products for the 1988 Ford F-150. The fuel pump can be located in the fuel tank or external to the tank. Manual adjustment of idle speed is NOT possible on modern vehicles. This is common on fuel injected bikes with closed loop EFI. If you have a Harley Race tuner then any dealer can do this be adding 5%-10% extra fuel. When I run at highway speed, everthing seems normal. FiTech EFI is dedicated to bringing the most advanced fuel injection systems on the planet supporting engines with up to 1200hp, 2X4, nitrous, boosted, and E85. Keep the original mechanical fuel pump. Change Fuel Grade. Harley ECM Password Learn Procedure When installing a new ignition or ECM on a security-equipped Harley there is a "Password Learn" procedure that must be performed. On select models, gain control over fuel delivery AND timing with the new Power Commander V with fuel and ignition control. You've come to right place for the best selection of Harley-Davidson Softail Fuel Injection Parts. The OEM closed loop operating mode relies on narrow band oxygen sensors to keep the air fuel ratio at 14. Side by Sides For Sale in Texas: 7600 Side by Sides Near You - Find Side by Sides on ATV Trader. The only fuel injected intercooled Harleys that hold national drag racing championships or Bonneville records come from one place. 2017 Harley-Davidson Dyna Low Rider - FXDL, 2017 Harley-Davidson Dyna Low Rider - FXDL 130 Miles Velocity Red Sunglo 103 Cubic Inch, Twin-Cam, Fuel-Injected Engine Fuel System: Electronic Sequential Port Fuel Injection (ESPFI) Six-Speed Transmission Final Drive: Clean, quiet belt drive system is very low-maintenance. I have a 2003 Deuce fuel injected (FSXTDI) with 30,000 miles. Anyway, the fix for it it was to run 12 gallons of fuel mixed with a shock treatment of Yamaha ring free decarbonizer, and I'll quote the dealer who told me to do this, to "run it like you hate it". ) Replaced in-tank transfer pump and issue RESOLVED. This would result in poor performance when the MAP sensor fails to notify the ECM of an increase in load. Purge valve problems. P2176 EFI Closed Position Not Learned 40. The normal idle RPM for fuel injected Twin Cam engines is 1000 RPM. Only mods are screaming eagle high flow air filter, V&H Big radius, V&H FP3 standard tune. On the newer fuel injection systems, the throttle valve is controlled but a small stepper engine, and it is the fuel injection ECU (a computer) that is controlling the idle level. Reduced fuel efficiency is another signal of a damaged fuel injector. How do we adjust an engine’s idle speed? In the past, adjusting an engine’s idle speed was easy. DOM—8/84-11/86. just recently i had two codes b1154= clutch switch short to ground, b1155=neutral switch short to ground, cleared it with the powervision and hasnt come back yet, anyone had any of these. For those of you who haven't noticed or are stuck back in the 80's, a large number of the bikes coming from Milwaukee have fuel injection installed. I start it up in the morning and all of a sudden it idles at 2000 rpm. You`ll have the thing runnin like a hairy goat. I'm kind of believing I have an intake leak, but not quite sure. I am still fighting a stalling problem with my 1981 Imperial. - Harley-Davidson Delphi EFI 2002- present, and OEM. 0 psi; if the vehicle has an adjustable fuel-pressure regulator, set it to 4. The amount of fuel injected into the engine is determined by how long the injector is cycled open. Your fuel injected American V-Twin is equipped with an ECU (electronic control unit) that's programmed to deliver fuel to the motor based on an air/fuel ratio for a stock air filter and stock exhaust system. If your engine has the original equipment (OE) or mild aftermarket camshafts, you can lower the idle to 700 RPM using the setup files and. Find FiTech Go EFI 4 600 HP Self-Tuning Fuel Injection Systems 30002 and get Free Shipping on Orders Over $99 at Summit Racing! When it comes to fuel injection versus carburetors, new school is just too cool. FOR BEST RESULTS & PERFORMANCE The magic combination for bolt-on horsepower is a great fuel delivery system, combined with high energy ignition, and free flowing exhaust system. (Note: The engine idle speed is controlled by the computer and is NOT adjustable. Choose from 31 models of road motorcycle, from cruisers and touring. Everything has to be on-spec for proper performance. also stated that this is a common problem with fuel injected harley davidson's. Keep the original mechanical fuel pump. Insufficient fuel injection (supply or pulse width) can produce a rough idle. This led to Max Power Dyno providing shop Harley services and repairs, engine and transmission overhauls, with all levels of performance. Regular 5/16 carburettor fuel line is cheaper, but will blow out 2 years down the road & burn your car to the ground. FiTech EFI is dedicated to bringing the most advanced fuel injection systems on the planet supporting engines with up to 1200hp, 2X4, nitrous, boosted, and E85. harley davidson talk forums. The engine was firing and running but at an extremely high idle. I'm kind of believing I have an intake leak, but not quite sure. Greg's payoff was horsepower, in vast quantities. Also, realize that such a tank was designed for a low-pressure carbureted fuel system, not a high-pressure fuel injected system. You can reduce/ remove the popping by adding fuel percentage to the tune. Single-pipe systems are more usual. It wasn't all their fault though, riders and shops tried to hop-up those FF1- equipped bikes without fully understanding how the system worked and what was needed to adapt it to a motor built for higher performance. How do we adjust an engine’s idle speed? In the past, adjusting an engine’s idle speed was easy. If I am stopped and i roll the throttle, it pauses and then misfires and sends black smoke out the exhaust. For Sale 1997 Harley-Davidson XL1200S For sale is a Limited Edition Harley Sportster 1200S. Rode into town the day after Galena. when it is cold and for the first 5 or 6 miles it will idle really well. 000, hp is 130 at the rear tire. Electronic fuel injection is of course more capable and clever, but carburetor engineers have developed some very elegant solutions that work quite well!. things i have checked; Valves,timing,spark plug ,ignition coil,fuel pump and filter,fuel pump relay,shorts in the wiring harness and its not blowing any fuses. This gives you excellent mileage and driveability. Honda CBR600 Fuel Injection at BikeBandit. For a comparison of the RSR Fuel Injection versus other systems read our About RSR section. You got an air leak in the carb manifold or gasket. This is usually not too bad when the tank is full, but when the fuel level drops, air is introduced into the system and thus the problems. idles but dies when I give it gas. 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. I have a 1995 electra glide fuel injected starting goes high idle and stays there - Answered by a verified Motorcycle Mechanic We use cookies to give you the best possible experience on our website. The 7pin cdl mod does in fact do something for pre-abs 91-92 fj80's. Idle Air Control ECM:P0113 HIST IAT Sensor Voltage Open/High EFI ECM:P0505 HIST Loss of Idle Sped Control EFI I looked at the manual I don't see the IAT sensor where it. Although I don't know much about fuel injection on Harleys (H-D will not tell you much about it unles you are one of their technicians), I don't think the system is equipped with an engine temp sensor. You want the highest quality products, but you don't want to have to pay the highest prices. While the exposure to air is reduced in fuel-injected applications, it still is a factor. I took apart the injection unit and replaced the IAC motor assembly with no change. #3 Excessive fuel pump pressure: Avoid extremes in fuel pressure. Below is the "Idle RPM" section from the manual: Idle RPM. The is an introduction to tuning with a programmable electronic fuel injection ECU. Check harness for cuts, scrapes or abrasions. I have now tac, but I am sure its like 3,000 rpm. 1% means reduce the pulse width by 99%, to 1% of what it normally would be. 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. Harley-Davidson introduced electronic fuel injection (EFI) to its product line in 1995. The fuel system pressure must be tested to see if the fuel delivery system is the problem. P2100 EFI Motor Circuit Open 36. Craigslist - Sporting Goods for Sale in Jacksonville, FL: Stamina Precision Rower 1250 in Lakeside, SPAULDING TENNIS RACKET in Ingle, Ivbbvj, Bicycle for kids with training, honda trike valkie trike st. I would most certainly not avoid the DL because of supposed fuel injection problems as it doesn't have any abnormal issues. Wiki User 05/21/2009. the mass of air can be calculated and the appropriate amount of fuel injected. 2017 Harley-Davidson Freewheeler. A gummed-up ICV is very often the cause of idle issues on EFI Harleys. This kit makes it easier for those who still own a carburetor engine in the 400cc to 800cc range, and want to convert it to fuel injected. it has a fuel injected engine. If your engine has the original equipment (OE) or mild aftermarket camshafts, you can lower the idle to 700 RPM using the setup files and. Their center diff only locks in low range unless they buy the switch, then they can activate it in high range. Consult your motorcycle's owner's manual for usage of a fuel injector cleaner for your model. things i have checked; Valves,timing,spark plug ,ignition coil,fuel pump and filter,fuel pump relay,shorts in the wiring harness and its not blowing any fuses. I have put a 40mm cv harley davidson carb on my 1300cc suzuki samurai. I am still fighting a stalling problem with my 1981 Imperial. Typical problems include hard starting, rough running, a need to adjust the carburetor during use to keep the engine from stalling, a need to rev the engine to ke. Sort through the categories or use the search function by part number or keyword. By Mark Zimmerman. It's not because of carburetors. Speed/Density - An Electronic Control Module (ECM) monitors manifold air pressure,. Keep your entire fuel injector system flowing clean and smooth with our wide range of Harley-Davidson fuel injection components. When I went to leave there, the idle was now up to about 2000, by the time I got to Van Wert it was up to about 3500. TBFI works by adding the correct amount of fuel to the air before it is distributed to the individual cylinders. going steady down the road it is smooths as glass. This gives you excellent mileage and driveability. 0 throttle body fuel injection when you enable ignition control. Electronic Fuel Injection Basics In 1995, Harley-Davidson began offering electronic fuel injection (EFI) as either standard or optional equipment, and since 2007, all Harley models include EFI. 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. Since then, all Harley-Davidson motorcycles make use of fuel injection. Anytime you increase airflow, which is essentially what a nitrous system does, you also have. We can guide you through your hot-rodding project, whether you are modifying using simple bolt-on pieces, or a full-on high compression stroker motor with forced induction. Below is a section about Idle RPM tuning from official Harley Davidson SE manual (version 2011). Not all motorcycle models undergo fuel economy testing. Our sales team is looking forward to. Your fuel injected American V-Twin is equipped with an ECU (electronic control unit) that's programmed to deliver fuel to the motor based on an air/fuel ratio for a stock air filter and stock exhaust system. Under what conditions is this happening? Is it all the time or only occasionally? If only occasionally it could be the temperature management systems coming into play. Fuel Injection Idle Air Control Valve. Elevation is at 0-200m. Buy Standard Motor Products Idle Air Control Motor Assembly MC-IAC2: Idle Air Control Valves - Amazon. 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. You've come to right place for the best selection of Harley-Davidson Softail Fuel Injection Parts. Carburetors. thanks a lot. The oxygen sensor (O 2) is responsible for "smelling" the exhaust fumes and detecting the oxygen content in order to make sure the engine is consuming the right amount of fuel. Combined with the alkaline reactivity of ethanol, fuel system components can suffer. Idle-2000rpm is fine around 14AFR. You tried out the Power Commander, Fuel Pak, Screaming Eagle Race Tuner, Twin-Tuner, Twin-Tuner II, and what the heck. This Harley will be racing at 2,000 rpm at walking speeds indefinitely until you stop. harley davidson talk forums. In fact, early (1970s) diagrams of Bosch fuel injection depict a drop of fuel sitting on the back edge of an intake valve, waiting for it to open. Harley-Davidson Motor Co. With that low traditional Harley idle. Mine was an easy fix. 2000 Monte Carlo idling to high? fuel injected or carburetor? injected - the idle can be. Do a 512 stroked 440 with 2inch headers and 3inch exhaust and tell me it doesn't feel like your Harley, oh yeah plus the car has poly engine mounts and transmission mount with a torque strap and weighs 2800 pounds, no interior, roll cage and frame connectors. 5AFR 3000-6000rpm is anywhere from 15AFR-17AFR (I know it needs a bigger main) The number of the ne. That means if you own a mid-1990s or later Harley, chances are high that you have a fuel injected model. If it starts and idles good, but loses that good idle as it. New Accel Self-Learning Module For Fuel Injected Harley-Davidson. Linder says that only a 1 to 3 psi change in fuel pressure can often cause noticeable driveability problems. Harley-Davidson Electronic Sequential Port Fuel Injection System, (ESPFI) This completely new engine management system was released starting with select 2001 model year Softail motorcycles. No exceptions. Wiki User 05/21/2009. Find Harley Touring Air Intake & Fuel Systems at Get Lowered Cycles. 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. Also cleaned out sand and. * When fuel injected Harley motorcycles begin to experience a rough or high idle, or a hard start condition, often this is a result of a faulty Idle Air Control (IAC) or MAP sensor. so they idle high but lose power. Replacement fuel pumps, modules, assemblies, and kit components are designed to meet or exceed OEM specifications, and feature upgrades that improve on the. Loose or broken vacuum hose/vacuum leak. 1200 cc fuel injected. Let’s further explain those three terms. We can guide you through your hot-rodding project, whether you are modifying using simple bolt-on pieces, or a full-on high compression stroker motor with forced induction. If it's all the time, the idle control valve may be failing. This led to Max Power Dyno providing shop Harley services and repairs, engine and transmission overhauls, with all levels of performance. If the fuel/air mixture gets too rich, you start to lose power instead of gaining it. You usually push start a bike because the battery is dead, or too weak to turn the starter. The first and most telling symptom of a failing TPS is an idle that rises and falls sporadically or maintains a very high or low RPM. The engine is mostly stock, with the only significant power adder being a mild cam (. Our redesigned fuel additive bottles are compatible with cap-less fuel tanks. I don't really know how to describe it other than that. As with engines before the days of Electronic Fuel Injection (EFI), stumble had two basic causes- incorrect ignition and incorrect fuel/ air mixture for the required operating condition. I have now tac, but I am sure its like 3,000 rpm. The idle is a bit too low for my taste. Idle Air Control ECM:P0113 HIST IAT Sensor Voltage Open/High EFI ECM:P0505 HIST Loss of Idle Sped Control EFI I looked at the manual I don't see the IAT sensor where it. E28 fuel delivery was low and engine would shutter and "bogs down" under load. Went for a ride yesterday. Skip to the section that applies to you: Engine Idle Is Too Low Or Stalls or Engine Idle Is Too High. The basic components Greg used to construct his project were a 1993 Kawasaki ZX-11 and a Mr. The air cooled Twin Cam 103™ Harley Davidson® engine delivers more stump pulling torque, while its Electronic Sequential Port Fuel Injection jetting gives crisp, lively throttle reaction. This is also used on the new EZ-EFI 2. Please follow the instructions below. GM strike idles. Direct fuel injection systems operate on the same principal as manifold fuel injection systems except that with direct fuel injection systems the fuel is injected directly into the combustion chamber instead of the intake manifold. This design delivers the fuel into the air flow stream in the plenum similar to a carburetor. Then replace the MAP sensor with no change. It's the most universal type of Electronic Fuel Injection system, but it's not ideal for high performance engines. The Lost Art of Mechanical Fuel Injection. Ford 390-406 tripower tech tips and facts for 3x2 Holley tri-power carbs. For Sale 1997 Harley-Davidson XL1200S For sale is a Limited Edition Harley Sportster 1200S. Harley-Davidson Fuel Injection basics It is a sad day in Hogville. If it's all the time, the idle control valve may be failing. My problem is a very high idle, even with the curb idle screw all the way out. Sorry my first video. The fuel tank supplies gasoline to the fuel pump. The fix: Adjust ignition timing. The amount of fuel injected into the engine is determined by how long the injector is cycled open. Stopped for fuel and it was still a little high. Cold starting my 2016 Harley Davidson Forty Eight. Everything has to be on-spec for proper performance. Find amazing local prices on Spares or repair for sale Shop hassle-free with Gumtree, idles, runs, stops. I just bought a used 2004 Harley Road King FLHPI Fuel Injected. The best of both worlds, now you can realize all the benefits of the Power Commander V and the Ignition Module 5 wrapped in a single enclosure. As the engine speed begins to drop, the computer adds a couple of degrees of timing. The advantage of sequential fuel injection is that if the driver makes a sudden change, the system can respond more quickly because from the time the change is made, it only has to wait only until the next intake valve opens, instead of for the next complete revolution of the engine. Holley® has been the undisputed leader in fuel systems for over 100 years. First, you should know that there are two types of timing in an engine: cam timing and ignition timing. This is a customer's project in which we did most frame modifications (speed triple front and rear end), big bore kit, EFI installation and tuning. When performance suffers, the task of figuring out where to just start often creates confusion. Find Harley Touring Air Intake & Fuel Systems at Get Lowered Cycles. Verify throttle calibration, step 5 in Entering Values. Seemed like low on fuel, but plenty when I stopped. When I crack the throttle it accelerates quite well. Some say do it, others say it’s not necessary. DOM—8/84-11/86. Consult your motorcycle's owner's manual for usage of a fuel injector cleaner for your model. 2000 Monte Carlo idling to high? fuel injected or carburetor? injected - the idle can be. If it's fuel injected, the dealer will have to set the idle speed for you unless you have another type of computer on the bike. Harley Davidson Sportster: Engine Performance Diagnostic Guide. This fuel system has both supply and return pipes along which petrol circulates continuously; the carburettor draws off whatever it needs. Closed-Loop. harley davidson talk forums. either in the tank or injected into the fuel by means Always buy your fuel from a high volume gas station and don’t go on. Choose from 31 models of road motorcycle, from cruisers and touring. On the newer fuel injection systems, the throttle valve is controlled but a small stepper engine, and it is the fuel injection ECU (a computer) that is controlling the idle level. You don't need to have a deep understanding of the Harley Davidson EFI system to use MyTune. thanks a lot. We can guide you through your hot-rodding project, whether you are modifying using simple bolt-on pieces, or a full-on high compression stroker motor with forced induction. Sort through the categories or use the search function by part number or keyword. Maximize the power, efficiency, and performance of your engine with a new electronic fuel injection system right for your application. CRs give superior performance for stock and modified engines, if used with FREE FLOWING EXHAUST and HOT IGNITION. Harley Chat Group. over and over. Harley misses at idle, and loses power while riding at a even throttle. New Accel Self-Learning Module For Fuel Injected Harley-Davidson. Learn more at Holley. Today, in the footsteps of Stuart Hilborn, the dedicated sales and technical staff at Hilborn Fuel Injection provide unmatched service and technical expertise when it comes to design, service and flow testing of your Hilborn injector. When this happens, the fuel injectors will spray fuel in a jet instead of a fine atomized mist and/or no fuel at all. This includes all FLHs, Road Kings, etc. * When fuel injected Harley motorcycles begin to experience a rough or high idle, or a hard start condition, often this is a result of a faulty Idle Air Control (IAC) or MAP sensor. 1200 cc fuel injected. EFI has the greatest ability to meter fuel with fantastic precision. Find the Accel U-Groove Spark Plug - 2418 at Dennis Kirk. Purchase the Idle Air Control Module at J&P Cycles, your source for aftermarket motorcycle parts and accessories, with free everyday tech support. Although there is some quality fuel injection cleaners that might help to keep your fuel injectors in good shape the only true and tested way to clean fuel injectors properly are and have always been to do it outside the engine and with the proper cleaning equipment. The basic components Greg used to construct his project were a 1993 Kawasaki ZX-11 and a Mr. After a short ride, we stopped for her to get gas. Harley Davidson Sportster: Engine Performance Diagnostic Guide. Diesel fuel behaves differently from gasoline, but like most Euro injection pumps, SPICA resembles a diesel unit. To summarize, the solutions for a lazy / slow return to idle (or erratically high idle) are: Eliminate vacuum leaks; Perfect ignition. i have an 05 low rider, and it has 15xxx miles on it. Engine Idle Is Too Low Or Stalls Dirty Throttle Body. Reserve Fuel Injection Parts - Fuel & Emission Systems online from NAPA Auto Parts Stores. Harley Road King - Classifieds in Atlanta, GA: 2002 Harley Road King Classic, Harley Road King, 2007 Harley Davidson Road King, Harley Davidson Road King Special, 07 Harley road king. The power control module or PCM now determines the speed at which an engine idles, based on several input-sensors. The fuel system pressure must be tested to see if the fuel delivery system is the problem. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. Besides, this 38mm throttle body comes with an idle control motor built-in. One "problem" with classic two-cycle motors is the ability of some of them to last a long time. At Dennis Kirk, you will find the best selection of Harley-Davidson Fuel Injection Parts. P1501 Jiffy Stand Sensor Low 43. How to Fix High Idle Step by step automotive repair guide on how to troubleshoot and fix an engine that is idling high (fast) or low (slow). I usually start it with half choke as opposed to full choke - at full choke, it very quickly revs far too high, prompting me to reduce it to halfway where it then sits and idles nicely as it. The most common cause for this problem is a weak fuel pump which cannot supply the volume of fuel needed for the injectors to produce a proper spray pattern or deliver the amount of fuel needed for engine acceleration. It's not because of carburetors. Suzuki South Cape Town : Victory Highball 106 (12)ABS1730cc 106cu-inV-Twinfuel injected Air/oil cooled6 speed gearboxdry weight 340KG22L fuel tankbelt drivetinted screenjust been serviced, Finance can be arranged at Suzuki South, T&C Applies For a free quotation please email us at [email protected] ukisouth. Most air conditioning-equipped engines have an automatic adjustment feature in the carburetor or fuel injection system that raises the idle when the air conditioning is running. The Atomic EFI installation kit for changing from a carburetor to fuel injection includes the throttle-body unit, power module, oxygen sensor, hand-held controller, fuel filter and correct injection-rated fuel-line hose. any help would be terrific. One "problem" with classic two-cycle motors is the ability of some of them to last a long time. 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. It jumps to almost 2700rpm for about min before. Harley-Davidson Motorcycle Manuals. I get off the off ramp, down shifting like I normally do to a stop and the idle in 1st gear at stop stays very high, as if the throttle is stuck. Best Answer: If your bike has a carb, the float level may be set a bit high. When I shut the key off and restarted it would idle normally for a short time then creep back up during riding. Fuel Injectors – The fuel injectors are nothing more than electric valves that open and close to deliver a high-pressure spray of fuel pointed directly at the intake valve. Can you push start a motorcycle with fuel injection? On some, yes you can. Rode into town the day after Galena. Buy JESBEN 2pcs Set Fuel Injectors 6 Holes Fit For Harley Davidson Dyna Motorcycle Engine 25 Degree 2007-2015 27709-06A: Fuel Injectors - Amazon.