Fuel Injected Harley Backfire

This restriction can result in a partial vacuum and fuel flow restriction. Cobra Fi2000R Fuel Controller Nearly every Cruiser motorcycle can benefit with the installation of the Fi2000R. This is what we are going to discuss. Other causes of backfire are bad or weak fuel pumps, low fuel pressure and clogged fuel filters. Harley CV Carburetor Mixture Tuning Notice: All instructions and the EZ-Just are intended for a Harley CV carburetor only. Either the engine is not getting enough fuel, which is also called running lean, or the engine is getting too much fuel, which is also called running rich. The throttle position sensor, TPS for short, is a sensor that is used in an internal combustion engine. Fuel Injected Engines. IT progressed to backfiring and popping at in town acceleration then not being able to stay running at all. Shown are the 2 lb. Issues with the fuel system of a vehicle can be frustrating to no end. DP specializes in electronic fuel injection controllers to increase performance and drivability for Harley and Victory bikes to Polaris RZR and Can Am side x sides to pretty much anything fuel injected. This video is about setting the Throttle Position Sensor and cold idle motor of the Magneti Marelli Fuel Injection System used on some Harley Davidsons from 1995 through 2001. You should do a valve adjust and compression test (in that order!) before doing ANY ignition or carb tuning. The carburetor must be clean, as fuel cannot flow properly through a dirty carburetor. If minimum oil pressure is not indicated within thirty seconds, stop engine and determine trouble. The Dynojet Power Commander 5 has an enhanced 'accel pump utility' which increases the sensitivity range for maximum performance. The map can be adjusted to ADD or CUT fuel (as compared to the stock EFI control) under certain circumstances. The company promises to regain the performance if your engine as it used to be. REJETTING 101 If you are not qualified or cannot safely perform these tasks take your engine to a qualified service technician. It is backfiring through the manifold and has a hesitation off idle and through about 2000 rpm. It is written specifically for MegaSquirt ® or MegaSquirt-II™ EFI users who are new to tuning engine with a programmable controller, and tries to make very few assumptions about what you already know. No need to look any further – we’ve got what you need at a great price. Featuring a robust assortment of Bottom 80 2004 Wheel today on the internet. 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. Two companies to be aware of in the EFI Controller market are Dobeck Performance and DynoJet. A Harley-Davidson motorcycle engine may sputter and hesitate when a crank position sensor (CKP) starts to fail. Get the best deal for Motorcycle Air Intake & Fuel Delivery Parts for Harley-Davidson from the largest online selection at eBay. February 4, 2011. I'm running the MPFI with a FAST dual sync dist. It's for serious race engines with radical camshafts that can't maintain a steady kPa value because it fluctuates too much. The valve would close, cutting off fuel and the engine would die. This is what we are going to discuss. Welcome to Fuel Moto USA! We specialize in EFI tuning components, exhaust systems, as well as a wide range of performance components. 0 throttle body fuel injection when you enable ignition control. Re: Electra Glide Backfiring In my past experience, most cackling or as you guys call it popping, farting, and backfiring is usually caused by one of three situations. Electronic Fuel Injection (EFI) controllers for all kinds of UTVs / side x sides. There is good fuel psi, just changed the fuel pump relay. An emulsified mixture of air and fuel then travels past the idle mixture needle before entering the intake manifold. 2007-2008 Can-Am Outlander 500 650 800 Renegade 500 800 ATV SERVICE & REPAIR MANUAL. Stop cussing that early EFI system, just replace it! Zipper's has taken the popular ThunderMax® EFI electronics and merged it with a single-throat Delphi®-style throttle body (with the help of some specially made parts) and developed this full conversion kit for bikes with H-D's earliest Magnetti-Marelli EFI systems. I am currently trying to diagnose a problem with why my truck is running poorly. Engine timing is incorrect. The backfiring of the motorcycle is a signal that something isn't quite right. In such a scenario, the engine is prone to stalling as you drive. The Electronic Jet Kit or EJK for short is an EFI controller to adjust fuel for a number of power sport vehicles. When the car is warm, the fuel remaining in the fuel rail can flash causing vapor lock. It works on any bike, no matter if it is a plain stock one, has a performance exhaust, and/or performance air cleaner or any other performance upgrade installed. My wife's 2005 FLHTCUSE2 began to develop problems a few weeks ago. I am no mechanic, but , when my sporty did that last summer, (it is fuel injected so not sure this counts) harley told me it was the pipes, but they had been on since i had it, took it to a local guy, he sprayed carb cleaner on the intake gasket and the motor dropped way down, so it fixed it. IT progressed to backfiring and popping at in town acceleration then not being able to stay running at all. Here's the scoop. The number of fuel lines on many vehicles has been reduced by "returnless" fuel injection systems. Earlier this month, Honda submitted a patent application for a brand new two stroke motor that uses direct fuel injection for a cleaner burn and better piston cooling. After running the engine for a few minutes, you can add plain gas to the tank and let the oil injection pump take over. Jump to Latest Harley releases updated versions of there stock programs all the time, I have version "D" in my, and it helps get rid of many of. there is a definate pop from the exhaust and you can feel the engine hesitate for a split second. Backfiring, is extremely rare these days with electronic ignitions and the high reliability of engines. This Electronic Sequential Port Fuel Injection system was introduced in Harley Davidson Softail motorcycles in 2001,. 2020 Harley-Davidson LiveWire. Featuring a robust assortment of Bottom 80 2004 Wheel today on the internet. The company promises to regain the performance if your engine as it used to be. , up to 2001. Re: Electra Glide Backfiring In my past experience, most cackling or as you guys call it popping, farting, and backfiring is usually caused by one of three situations. Dry kits are limited because your fuel injectors and fuel pump can only supply so much fuel at this high pressure. Harley-Davidson Oil Filter Mobil 1 15-50w Synthetic Motor Oil (3 quarts) Royal Purple 75w-90 Synthetic Transmission Oil (1 quart) Harley-Davidson Chaincase Lubricant (1 quart) The Horsepower Gallery provides an extensive list of bikes , the power they produced and the major engine components. When you shut the engine off the spark is killed, but not the mixture. The backfire only occurs under heavy throttle in park and when it is under load and you try and go WOT. Let’s start by explaining where the fuel pressure regulator is, what it does, and how it works. Fuelpak is the most straightforward and cost-effective fuel management solution for custom-tailored mapping on Harley-Davidson motorcycles. Put the right tools in your toolbox! FlashScan from EFILive allows you to scan, data log and reprogram your vehicle for maximum performance and outstanding drivability. Our fueling optimization device is easy and simple to install and there is no need for extended setup and adjustment sessions. These can be fuel injected engines or carbureted engines. Here's the five things you should know about them. The following information is strictly for the Magneti Marelli injection system. Electronic Sequential Port Fuel Injection (ESPFI) was first seen on the 1995 FLTCU Tour Glide models, and Harley will offer ESPFI on all touring models this year. My '05 fuel injected Harley Road backfires when decelarating in gear. How to Convert Any in Tank Electric Fuel Pump to an External Inline Pump : Cost: £35. When the car is warm, the fuel remaining in the fuel rail can flash causing vapor lock. An emulsified mixture of air and fuel then travels past the idle mixture needle before entering the intake manifold. Daytona Twin Tec designs and manufactures fuel injection and ignition systems for 1970 and later Harley-Davidson motorcycles, including the new Twin Cam 88. If the pipes don't have enough baffle in them it will probably keep doing it. 2002-2007 Harley Touring EFI Models. Click here to sell a used 2007 Harley-Davidson FLHR Road King or advertise any other MC for sale. This is now fixed. After about 15 mins she showed up and said her bike would not stay running. Other causes of backfire are bad or weak fuel pumps, low fuel pressure and clogged fuel filters. The mighty Harley is slowly loosing its carburetor. It goes the same for engine backfiring. Troubleshooting the Harley CV carburetor. If for any reason a failure is sensed, the system will go into one of three failure modes, Scott explained. We the top 10 common EFI mistakes and how to patch them up so you don;t make a costly mistake. With the engine off, turn ignition to on. Manufacturer and distributor of high performance motorcycle parts and accessories for street and drag. But for '96, Harley is offering an option on the Road King that truly brings modern touring performance to the Evolution Big Twin, and we're not talking about the new electronic speedo. Common causes of backfires are: Wankel rotary engines are known for leaking oil into the exhaust system which causes backfire. 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. Electronic Fuel Injection (EFI) was originally used on Harley Davidson motorcycles beginning in the 1995 production year and currently the Delphi Electronic Fuel Injection system is used on all Harley Davidson models. Went out for a ride with my club last night and now it seems to do it at certain engine revs and will now do 5 or 6 pops in a row. For some guys, it's a symbol of American automotive performance…a genuine hot rodder's answer to the "evils" of modern fuel injection. There may be various reasons for a malfunctioning fuel pump. If the bike has no injection pump, or it has been disconnected, make sure you use only 20:1 premix for fuel. Ads are free. Even the owners manuals for "Modern Cars", with fuel injection systems that operate with 30-40 pounds of pressure, state not to use fuel with more than 10% ethanol. Edelbrock has been delivering the best combination of dyno proven electronic fuel injection performance for over 40 years. I've read the unburnt fuel detonates in the header after being ejected from the exhaust port. The High-Flow Air Cleaner Kit provides increased airflow to boost the power of your fuel-injected model. All three of these issues have a direct effect on the air-to-fuel ratio. Carbureted engines usually have a range of fuel and air circuits and other strategies to vary the proportions of fuel and air throughout a wide variety of engine speed and load conditions. 2008 Harley-Davidson Sportster® 883 pictures, prices, information, and specifications. Find the Cobra FI2000R Plug-In Fuel Processor for Fuel Injected Models - 692-1612 at Dennis Kirk. If there is too much fuel and not enough air, the engine is said to be “running rich”, or “has a rich mixture”. Re: Electra Glide Backfiring In my past experience, most cackling or as you guys call it popping, farting, and backfiring is usually caused by one of three situations. A large backfire is most likely caused by a bad spark plug or plug wire. When your H-D engine has the proper air/fuel ratio metered to it, it can perform to its potential, run cooler and be a much more satisfying ride. Here's the five things you should know about them. Likewise a leak in the exhaust system will provide the necessary oxygen in the moments before and after deleceration fuel cut engages/disengages. A partial vacuum in the fuel tank can reduce fuel flow and bring about a lean condition. was created by syllinx22 When in park it will sometimes start sputtering and if i give it gas it will backfire through the throttle body. Went out for a ride with my club last night and now it seems to do it at certain engine revs and will now do 5 or 6 pops in a row. - Answered by a verified Motorcycle Mechanic. Apply a liberal amount of BS repellent to skin before reading anything by anybody. Microsquirt EFI (MS) is under way for the season starting November 2011. With help from the tech experts at Summit Racing, we're. Owner's Manual Download. -Enables you to fine-tune the fuel mixture throughout the entire rpm range with the touch of a button. IT progressed to backfiring and popping at in town acceleration then not being able to stay running at all. Learn how to diagnose and solve an engine backfiring problem… in case it is a problem. All three of these issues have a direct effect on the air-to-fuel ratio. Yes, you would indeed fit the Fi2000 PowrPro Black fuel controller suitable for your needs. On late model EFI bikes with 02 sensors, ESPECIALLY when using Dynojet's Power Commander V with the Autotune feature, the air injection system MUST be blocked as it will introduce additional oxygen into the system which will skew your 02 sensor's values and make it impossible to get a correct tune. DonSPEED and Don Shalla Enterprises 3319 Fitzgerald Road, Suite 12 Rancho Cordova, CA 95742 Motorcycle Dyno tuning for fuel injected and carburetted Harley-Davidson, sportbikes and dirt bikes. bottle bracket (far left), the 10 oz. Loose connections on the exhaust system, lean condition in the fuel system, and cables adjusted improperly not allowing the fuel to shut down completely. All-new Honda CRF450 boasts fuel injection. 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. I have the Go Street 30003 and the Fuel Command Center on my Chevy 350 Van. There is good fuel psi, just changed the fuel pump relay. Get free shipping, 4% cashback and 10% off select brands with a Gold Club membership, plus free everyday tech support on aftermarket Harley-Davidson Fuel Additives & motorcycle parts. You don't need to have a deep understanding of the Harley Davidson EFI system to use MyTune. General Harley Davidson Chat - HELP!!! "coughing" or backfiring through the carb and intake! - i ride a 2003 Sportster 1200 custom anv. All three of these issues have a direct effect on the air-to-fuel ratio. CW Evaluation: Cobra Fi2000 PowrPro. This restriction can result in a partial vacuum and fuel flow restriction. Ideal for real-world street performance applications, the Pro Street Tuner provides the adjustability to account for bike-to-bike variation and for changes to cams, heads, intake and exhaust while maintaining closed-loop fuel control for fuel economy in the part-throttle operating range. 5 Signs of a Bad Fuel Pressure Regulator. Tips to Prevent Backfire. It's the perfect tool to fine tune Fi engines quickly, easily and economically. Shut it off, put it back in and all is beer and roses again. No matter what the passion is, trails or desert racing, XRSOnly stocks premium dirt bike parts for every major make and model. For the newcomer to the market or professionals wanting an easier method for tuning fuel injection, the EJK is a customizable solution for the shop that wants to take control of their tuning needs. Forget the feature creep of today's EFI controllers and stick to the basics of tuning logic. EJK INFORMATION: The EJK evolved out of the need to address the ever-increasing complexity of factory fuel injection. Rider group calls to stop ethanol fuel push. Went out for a ride with my club last night and now it seems to do it at certain engine revs and will now do 5 or 6 pops in a row. If you ride a fuel-injected Harley-davidson motorcycle, one solution is to install a Thundermax self-tuning fuel management system. when riding 2005 fuel injected harley road king, engine pops, backfires, and idles fast, why? - Harley Davidson 2005 FLHRS - FLHRSI Road King question. I have this problem myself. What it is, is incomplete combustion, fuel is left over, and shot into the exhaust pipes. Manufacturers occasionally suggest that products be advertised at their suggested retail price. Fuel injectors: Most domestic cars after 1986 and earlier foreign cars came from the factory with fuel injection. The following information is strictly for the Magneti Marelli injection system. Backfire Alley's got 'em all. Iv had air cooled bikes but this is my 1st Harley. Performance Package includes GMan's Custom K&N Air Filter and pre-programmed Bully EFI Controller for the Suzuki Boulevard C90, C90T, C90 Lehman Trike (Jackal). All electric fuel pumps have a sock that goes on the bottom of the pump. Welcome to Fuel Moto USA! We specialize in EFI tuning components, exhaust systems, as well as a wide range of performance components. - Answered by a verified Motorcycle Mechanic. All Nitrous kits for Harleys® come with billet aluminum brackets to mount the nitrous bottle and the fuel pump. With vibration banished, more power and many detail improvements, Harley's 1200cc motorcycles are finally fun to ride. , up to 2001. Yes, you would indeed fit the Fi2000 PowrPro Black fuel controller suitable for your needs. October 14, 2005 i took my harley davidson ultra classic into bryan hd shop to have a safety recall complied with. BTW, do you have a carb or fuel injection? Harleys are notorious for developing air intake leaks, and the fix is not so difficult. For the fuel and ignition systems to work properly together, the spark should be in the cylinder via the plug prior to fuel gets there. In other words, I was exposed to the Harley Davidson Sandton TEAM and got backfires:. 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. X-Games stars play with Harley-Davidson electric concepts. Ford F-150/F-250: Why is My Truck Misfiring? Diagnosing why a Ford F-150 or F-250 is misfiring is vital for a car owner in terms of saving costs. We do not take returns or exchanges on jets and jetting components due to people drilling them out, testing and tuning etc. if i spray starter fliud into the booster in will start up. From reading here I have learning that this is more of a mis-fire and the backfiring is actually a lean mixture condition. and I am running sequential. Mixture tuning on your Harley Davidson CV carburetor is a simple procedure that can easily be performed with basic tools. But for '96, Harley is offering an option on the Road King that truly brings modern touring performance to the Evolution Big Twin, and we're not talking about the new electronic speedo. This walkthrough will help you understand the various causes of misfiring and identify which ones you can handle yourself. Find motorcycle specifications on moto123 by make and motorcycle type. 24lb injectors, 73mm mass air for 24's, 70 mm tbody and spacer, trickflow intake, msd ignition, blaster coil, ford racing wires, fairly new plugs none fouled, 10degress of timing, adj fpr, 255lph fuel pump, 42 lbs of. It is written specifically for MegaSquirt ® or MegaSquirt-II™ EFI users who are new to tuning engine with a programmable controller, and tries to make very few assumptions about what you already know. STREET EJK PRODUCTS. bottle bracket (center), and the fuel pump bracket (left). Re: Electra Glide Backfiring In my past experience, most cackling or as you guys call it popping, farting, and backfiring is usually caused by one of three situations. IT progressed to backfiring and popping at in town acceleration then not being able to stay running at all. Good info Dawg, looking at the old filter and thinking it was OE, makes me think changing mine at the 10,000 mile area, not knowing the true working of the HD fuel injection system but knowing that the fuel system in cars / trucks, most work with a return fuel line re-circulating much more fuel through the filter than a returnless system, we find many filters are plugged at 25,000 miles some. Quick Fuel’s QFI is a bolt-on throttle body electronic fuel injection system capable of supporting 500 horsepower. Recently on social network sources threads have gone nowhere…. Since 1938, Edelbrock has manufactured its core products in the USA for quality & performance. The carb swap could still be done, but unlike the MM efi, you'd be hard pressed to find a real harley tech that would recommend it. Another sign of a Crankshaft Position Sensor Failure is the constant stalling and backfiring of the engine. You could have an air intake leak. These individually hand built units are specially made to enhance the low and mid range performance, providing smoother bottom end power, fuel delivery, improved tractability and flexability. This is what we are going to discuss. I didn't want to pay Harley to program it and didn't want to miss with the stock Harley ECM programming. With help from the tech experts at Summit Racing, we're. If for any reason a failure is sensed, the system will go into one of three failure modes, Scott explained. The heat from the pipes then ignites the vapor and boom, backfire. But for '96, Harley is offering an option on the Road King that truly brings modern touring performance to the Evolution Big Twin, and we're not talking about the new electronic speedo. My wife's 2005 FLHTCUSE2 began to develop problems a few weeks ago. Since your car is fuel injected, you probably have the Exhaust Gas Recirculation system hooked up, and this is where most of the backfire-causing exhaust leaks come from. Daytona Twin Tec designs and manufactures fuel injection and ignition systems for 1970 and later Harley-Davidson motorcycles, including the new Twin Cam 88. What are the most common causes and cures for this problem on a fuel injected twin cam motorcycle? From Our Friends at DynoJet Popping on deceleration is due to unburnt fuel being ignited in the exhaust. 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. In addition to their PWCs, Sea-Doo also produces various sport and speed boats. What the Home Mechanic Needs to Know About O2 Sensors - An Article from the OBDII Technical Library Today’s computerized engine control systems rely on inputs from a variety of sensors to regulate engine performance, emissions and other important functions. Get the best deal for Motorcycle Air Intake & Fuel Delivery Parts for Harley-Davidson from the largest online selection at eBay. This system controls fuel to the engine based on a digital “map” of throttle position and rpm. The common mixtures AT THIS TIME are E-10, E-15, and E-85. When you shut the engine off the spark is killed, but not the mixture. I have the Go Street 30003 and the Fuel Command Center on my Chevy 350 Van. A shorted or open fuel injector solenoid, or a shorted or open coil will usually set a code, but a dirty or weak fuel injector or a weak coil probably won't set a code. Completely random backfire through throttle body. Without it, the mixture would cool enough not to explode. Even rode around. Can you raise the boiling point?. 2002-2007 Harley Touring EFI Models. I've read the unburnt fuel detonates in the header after being ejected from the exhaust port. Harley-Davidson introduced electronic fuel injection (EFI) to its product line in 1995. Over time the fuel line is 'worn through' and it creates an issue with loss of fuel pressure. All Twin Cam & fuel injected Evolution engines are fitted with single fire ignitions. An extension of our Magnetti Marelli® that solves issues by allowing more air and fuel to pass, made to accommodate larger cubic inch engines. Ads are free. if i spray starter fliud into the booster in will start up. Connecting wirelessly by Bluetooth to any iPhone or Android Smartphone, Fuelpak FP3 uses Flash technology to recalibrate engine parameters and mapping for exhaust systems and other performance upgrade downloaded from the expansive library of calibrations developed by Vance & Hines. Electronic Fuel Injection If you own a fuel-injected Twin Cam, it doesn't matter whether you upgrade the engine with a mild free-flowing exhaust system and air cleaner or install a stout 120-plus cubic inch engine, the entire combination will be controlled by the engine's Electronic Fuel Injection (EFI) system. Went out for a ride with my club last night and now it seems to do it at certain engine revs and will now do 5 or 6 pops in a row. FUEL INJECTION ADJUSTMENT PROCEDURE. The carb swap could still be done, but unlike the MM efi, you'd be hard pressed to find a real harley tech that would recommend it. Find many great new & used options and get the best deals for NEW Drag specialties Gas Tank EFI Petcock Adapter for Harley Gas Fuel Injected at the best online prices at eBay!. Advantages over the competition are from the Custom K&N which installs in the stock air box with no modifications and breathes like there's no filter and our exclusive Adjust-on-the-Fly, pre-programmed FI controller giving you control. Higher pressure than 15 psi indicates that there is an issue with the installation. Close scrutiny of the firing end can also suggest a variety of possible engine conditions and point the way to achieving improved spark plug and engine performance. From reading here I have learning that this is more of a mis-fire and the backfiring is actually a lean mixture condition. Less fuel vapors in intake plenum – Dry applications do not add extra fuel vapors into the intake plenum. What would cause a fuel injected engine to backfire out of the intake? could it be due to a timing problem or possibly the plugs not firing in the proper order? Update: Heres some more details. Supplied with Delphi® style injectors, a billet fuel rail, 62-psi fuel pressure regulator, and fuel lines for easy installation. February 4, 2011. They should be cold. When the exhaust valve opens on that cylinder, the extra air allows the unburned fuel to explosively burn and the popping noise of a backfire is heard. A partial vacuum in the fuel tank can reduce fuel flow and bring about a lean condition. com is a division of Guaranteed Carburetors of Largo, Florida. What are the most common causes and cures for this problem on a fuel injected twin cam motorcycle? From Our Friends at DynoJet Popping on deceleration is due to unburnt fuel being ignited in the exhaust. the bike is fuel injection. You increase fuel flow through the pilot jet by turning the pilot jet screw OUT a half turn. Leave relay removed. Flames and poppin’ might look/sound cool and BAF, but it is not good for your engine. This is also used on the new EZ-EFI 2. when riding 2005 fuel injected harley road king, engine pops, backfires, and idles fast, why? - Harley Davidson 2005 FLHRS - FLHRSI Road King question. Engine starts and idles like a dream. Dyno differences. IBRARY’s comprehensive booklet on obtaining the best speed & power from your Harley-Davidson 45” flathead 1937-73 solo, Servi-Car, military and civilian, including model letters WL, WLA, WLC, G, GE, etc. What do you think? I'm not bothered by it in any case, just making sure its normal for these. Fuel Injection - Dirt Rider Magazine. At NX we live and dream Nitrous Oxide. Otherwise runs great. The VFC is programmed for your bike's combination of parts using three buttons located on the front of the unit. Some performance fuel filters will have a washable mesh, which eliminated the need for replacement. Harley-Davidson introduced electronic fuel injection (EFI) to its product line in 1995. com is a division of Guaranteed Carburetors of Largo, Florida. While the market is awash with bolt-on EFI systems, QFI is different: It combines the superior fuel atomization aspects of a carburetor with the precise fuel control of EFI. Re: Electra Glide Backfiring In my past experience, most cackling or as you guys call it popping, farting, and backfiring is usually caused by one of three situations. To test your fuel pressure switch, you'll need to verify it's got a closed circuit when the engine is running (showing adequate pressure), but you'll also want to verify that it opens the circuit as fuel pressure drops. We hope you've enjoyed out tutorial on golf cart fuel pumps. TorqueTuning is the most effective way to move the power band of your Harley to where you ride. This is not to say that detonation cannot become an issue on other automobiles as well, as it definitely can. 00This video shows how an in-tank electric fuel / diesel pump can be modified to keep the existing fuel gage / sender unit and remove the faulty intank pump, replacing it with an easy accessible in-line fuel pump. An extension of our Magnetti Marelli® that solves issues by allowing more air and fuel to pass, made to accommodate larger cubic inch engines. However, the source. My '05 fuel injected Harley Road backfires when decelarating in gear. The TFI is a Generation 2 Electronic Fuel Injection (EFI) controller released by Techlusion dba Dobeck Performance. After market fuel injection modules are available for bikes which have no adjustments. This is plug and play technology at its best. We the top 10 common EFI mistakes and how to patch them up so you don;t make a costly mistake. that’s not the case, not in these years but maybe the future of fuel injection may lead to different results as fly by wire becomes more common and wide band monitoring enters the. I can get it to backfire through the carb in neutral by flooring it really quick. Other causes of backfire are bad or weak fuel pumps, low fuel pressure and clogged fuel filters. EJK INFORMATION: The EJK evolved out of the need to address the ever-increasing complexity of factory fuel injection. If you ride a fuel-injected Harley-davidson motorcycle, one solution is to install a Thundermax self-tuning fuel management system. 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. In either case, a professional will. All fuel-injected motorcycles My Harley is meant to be able to take it,but judging from the terrible performance. Why do some harley davidson make a loud popping sound on the decel? in the carbs or the fuel injection map when they put the new pipes on. While the market is awash with bolt-on EFI systems, QFI is different: It combines the superior fuel atomization aspects of a carburetor with the precise fuel control of EFI. Troubleshooting the Harley CV carburetor. There are 13 complaints filed for the 2006 HARLEY DAVIDSON FLHTCUI. It works great except it is way too slow returning to idle. Fuel pressure should be a constant 10 - 15 PSI on a TBI fuel injection system and is typically around 12 - 13 psi. I would start with checking fuel flow, as well as the fuel level in the tank. Products for Yamaha, Harley-Davidson, Kawasaki, Suzuki and Honda available. No Purge – Dry applications that are pre mass air meter or using a FMU using a purge is not as critical. International. Other causes of backfire are bad or weak fuel pumps, low fuel pressure, or clogged fuel filters. Cobra fuel tuner Motorcycle Parts Bizrate Closed-loop Fi2000R O2 digital fuel processor is designed to work with all exhaust systems on the market today that are equipped with. 7 parts air to1 part fuel. Quick Fuel’s QFI is a bolt-on throttle body electronic fuel injection system capable of supporting 500 horsepower. The number of fuel lines on many vehicles has been reduced by “returnless” fuel injection systems. Click here to sell a used 2007 Harley-Davidson FLHR Road King or advertise any other MC for sale. If the pipes don't have enough baffle in them it will probably keep doing it. This is because on newer fuel-injected systems, the injectors work in sequence, and when the engine misses a dose of fuel, it won't run smoothly and may suffer damage over time. In any case, as much as I don't like it, there's a often a difference between Harley riders and other motorcyclists. We are Fuel Moto Specializing in EFI tuning and exhaust components for fuel injected motorcycles along with industry leading support. Unburned air and fuel pumped into the exhaust will often be ignited by the other cylinders still burning exhaust gases. STREET EJK PRODUCTS. Less fuel vapors in intake plenum – Dry applications do not add extra fuel vapors into the intake plenum. Vance Hines FP3 FuelPak 3 Autotune for CAN Bus models (14-UP Touring, and others) (1020-2203) by Vance Hines - IN STOCK! Click to enlarge other photos. As the engine spools down to a halt, fuel-air mixture is sucked through the intake and into the cylinders, and then pumped out unburned into the muffler, where the hot metal will ignite it. I have this problem myself. IBRARY’s comprehensive booklet on obtaining the best speed & power from your Harley-Davidson 45” flathead 1937-73 solo, Servi-Car, military and civilian, including model letters WL, WLA, WLC, G, GE, etc. If you ship your injectors to. Went out for a ride with my club last night and now it seems to do it at certain engine revs and will now do 5 or 6 pops in a row. It is normal for many high performance exhaust systems to moderately backfire or pop when the throttle is closed from mid-to-high rpm. eu | Officieel Dealer Gratis verzending vanaf 99 Grote Voorraad. Get a quote and compare models from a huge selection of motorcycles. Cobra FI2000R Digital Fuel Processor. Likewise a leak in the exhaust system will provide the necessary oxygen in the moments before and after deleceration fuel cut engages/disengages. Thursday, May 23, 2019 while riding my brand new Harley-Davidson 2018 CVO Road Glide FLTRXSE ($45,000) Motorcycle on a weekend trip to Louisiana, approximately 370 miles from my residences in. Unless your running a drag bike un-baffled pipes will make it run worse not better. It is backfiring through the manifold and has a hesitation off idle and through about 2000 rpm. You could have an air intake leak. He said it was sucking air. If your running fuel injection start by checking spark then fuel injectors and then look at sensors (temp, oil pressure, air flow/temp, crank position, cam position). The fuel pump check valve or the fuel return regulator leaking allows the fuel to drain back to the gas tank depressurizing the fuel rail. 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 ECU uses the data to calculate density and determine the engine's air mass flow rate, which helps the computer determine the amount of fuel needed to create optimum combustion. spark plugs are brand new. sparkplugs/wires. On the way home her Harley started to misfire and run poorly. ThrottleBodyInjection. I've read the unburnt fuel detonates in the header after being ejected from the exhaust port. All latter 1999 Fatheads and all 2000 Fatheads no longer have any problems that are known of at Harley Davidson or their dealers at this point in time. The H-D Evolution V-twin was introduced in 1983. Get a quote and compare models from a huge selection of motorcycles. Our vision for development of technology leans towards simplicity and customization. GL1000s will run poorly when valve lash is not set exactly to spec. Backfiring on deceleration is much more common and often occurs when exhaust and fuel mixture changes are made.