Magneti marelli fuel injection problems. Anyway to get teflon inside that.
Magneti marelli fuel injection problems This involves tens of thousands of dollars in hardware and support issues. (it is Magneti Marelli Pico 480cc/m - IWP069 Fuel Injector This high quality IWP069 “Pico" top feed injector is a production component with a single hole ‘Pencil Stream’ spray configuration and a wide range of applications for engines typically for engines up to 80bhp per cylinder (depending on injection pressure). You need a carb , manifold,and air cleaner. I own a 2000 Road King Classic with the Magnetti-Marelli EFI system. Rather than continue a useless argument in that thread, I decided to provide a little tutorial. Most of the time when I'd turn the ignition and the run switch May 20, 2009 · I have purchased the new check valves, and o rings for the high and low pressure lines. The coupling that is pressed in the hex nut. 8 A driver current (*) > 8 bar with supply voltage > 8 V DESCRIPTION The IWPR Pico Injector 72 likes, 3 comments - bertsbarracuda on May 1, 2025: "The problems with Magneti Marelli fuel injection #onlyatberts". What is the reason people replace these? What are the reasons behind they fail? How long do they last before people are replacing them? Mar 17, 2019 · Newer versions of the FI system have cyl head temp sensors. Call now on 01953 857800 or order online for your Fuel Injectors. This was a popular topic and common conversion on Harley forums of the early 2000's. You can remove all the FI wiring. No exceptions. This kit allows you to retain the original wiring harness Sep 23, 2016 · I just bought this bike at an auction. The front fuel line connection at the tank is leaking. So here goes. Rick decided he'd had enough with the Magneti Marelli EFI system and wanted to get rid of it all together. Just generally speaking. No Dents or scratches, only scuffs on clear from use. 3 GPS high-performance fuel injectors are brand new and in stock. Direct replacement for 27709-06A Weber Magneti-Marelli style OEM injector. however i believe zippers makes a kit to convert the bike to a more modern and far more reliable efi system. Magneti Marelli Parts & Services has a dedicated range of products that includes carburettors, PFI and picojet injectors (PF = port fuel, indirect injection) and GDI. Absolute junk. 00 a pop a piece; that's $400. The Magnetti Marelli EFI was used up to and including the 2001 model year. 0 l/min MAIN FEATURES • 3 to 10 (*) bar pressure range• 0. Jun 7, 2008 · I'm the original owner of a 2000 FLHTCUI with Magneti Marelli problems and it's starting to look like a bottomless pit I'm not capable of doing the work myself. Jul 26, 2014 · Is any one familiar with converting a fuel injected 2000 flhtci to carburetor? May 20, 2014 · Such injectors dribble fuel out, and show asymmetrical spray patterns that reduces fuel vaporization and consequently engine power. ThunderMax PN#309-313 Applications: • 1999 - 2001 Magneti Marelli Touring® Models ThunderMax is an industry award winning, performance ECM designed specifically for EFI equipped Harley Davidson® motorcycles. May 1, 2025 · 436 likes, 13 comments - bertsblackwidow on May 1, 2025: "The problems with Magneti Marelli fuel injection #onlyatberts". The USB Magneti Marelli Style VFI module works with all 1995 through 2001 touring EFI motorcycles and comes pre-programmed with a calibration for an 80” Harley-Davidson® Evolution® engine or Magneti Marelli Harley Fuel Problems Part 1-1/2 Jason Hallman 5. I would just Jan 21, 2020 · There was a recent thread where fuel injection and specifically the function of O2 sensors was discussed. 63K subscribers Subscribe we just got done converting this 1998 Ultra Classic from magneti marelli fuel injection over to carbureted we put an S&S Super E and a dyna 2000 ignition and May 1, 2006 · Just wanted to follow up. Carb to EFI Conversion Kit (or kits for R Dec 31, 2023 · I have a 97 road king police, Magneti Marelli. 95K subscribers Subscribed We dissect a Magneti Marelli Road King police bike fuel tank and demonstrate all of the parts on the inside of the tank May 1, 2025 · 1994 and 1999 some Evos had Magneti Morelli fuel injections on them and they were like in the car world it would probably be like the 83 Corvette the crossfire injection with never ending problems some love them but most hated it so the problem we face today is look we do work on everything at Bert's but if you got a Magneti Morelli fuel injection system that run somewhere between the years of It ended up being recurring annoying problems with the cam timing sensor and neutral throttle sensor. Mar 22, 2022 · 1 reading Jump to Latest 4. They found both lines at $200. Dec 21, 2005 · The BIG DIFFERENCE compared to the Magneti Marelli injectors is the relatively low fuel reference pressure - only 400 kPa compared to 1000 kPa!!! The backside of the medal is the price for the Bosch injectors - 400 Euros per piece Feb 11, 2011 · p air cleaner. Check your service manual or verify with a trained technician to further diagnose and determine the cause of such problems. I still have the hesitation under load 3800-4000 the engine light comes on but it goes away. I've heard it doesn't play nice when modifying the engine. 1999 was the first year of the Twinkie motor and there were several problems that was found in the first few years. It is possible, however, to correct a poor idling condition by resetting the throttle position sensor on these induction modules. 15 to 1. Anyway to get teflon inside that Nov 23, 2021 · Magneti Marelli fuel pressure regulator is mounted to the rear bottom of the throttle body below the injectors not inside the tank like the Delphi EFI system. The idle speed is erratic,it pauses during exceleration just to name a few . The mighty Harley is slowly loosing its carburetor. These changes definately cured the problem I was having with starting and fuel fouling front plug. I have a 2000 Road King Classic with thia fuel injection and it seems to run ok. Factory approved OE quality replacement injector to restore original performance. This highly advanced, stand-alone tuning system utilizes proprietary AutoTune technology with wide-band oxygen sensors to deliver unmatched performance and rideability. It did appear to be an intermittent problem. Pingle makes a kit to convert the fuel tank. These days most serious racing involves high end electronics, traction control, closed loop boost control, data logging and wiring harnesses that cost more than the electronics. g. Customer: H-D 1996 flht classic idle problems. I'd spent the last month deciding whether or not to change out my Magnetti Marelli EFI to a carb and which one to get. So, first thing I thought of, I know the later twin cams didn’t have cam position sensor, so I thought I’d just swap Feb 24, 2009 · If you are modifying a Harley EFI (Delphi or Magneti-Marelli) engine with more than a high-flowing air cleaner, chances are you will need to adjust the engine’s fuel curve to achieve maximum power and smooth ridability. Setting Ignition Timing on your Harley May 16, 2022 · The J&P parts store has been my go to for Harley injection parts for quite a while now. . I can only relate to when the Apr 21, 2006 · Well, I finally got my TB off and changed a bunch of stuff, linkage, injectors, fuel pressure regulator. It has the Magneti Marelli fuel injection. The Fora platform includes forum software by XenForo. Jun 15, 2020 · Stop cussing that early EFI system, just replace it!_x000D_ _x000D_ 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. This Magneti Marelli® Style This instruction sheet describes the installation of the S&S Magneti Marelli® Style replacement module with a USB computer interface. I had used vasoline before reinstalling to minimize the risk of this happening, as I've done many times before. Really not This vid describes the main steps required to swap out that Magneti Marelli EFI and convert to a carbureted setup. When I got it, it wouldn't cold idle so I did I little research and saw the throttle position sensor (TPS) calibration video and decided to Jul 11, 2008 · 2. Actually '98 was the second generation Magneti-Marelli EFI, '95 and '96 were the first generation with the non flashable ECMs. Disclaimer : Don't believe anything I say unless you are absolutely sure that I know what I'm talking about . . This Item is Magneti Marelli Pico 250cc/m - IWP042 Fuel Injector This high quality IWP042 “Pico" top feed injector is a production component with a multi hole ‘Spit Stream’ spray configuration and a wide range of applications for engines typically for engines up to 35bhp per cylinder (depending on injection pressure). 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. The first time I tried to start it resulted in a very pleasant surprise - it fired right up!! After the engine warmed up it required only a few minor adjustments to the idle and the air mixture We show you how to diagnose and repair your Harley Davidson motorcycle’s Delphi fuel injection system when you have stalling problems from loss of fuel pressure Mar 27, 2015 · INTRODUCTION k fuel injection module and works with the stock sensors and injectors. Failing Harley fuel injection especially on pre 2002 models is pretty common, the old Magneti Marelli has some issues but you do have options. But then, out of the blue, Hot Bike magazine wrote an article on In this video I share what I did to get this 1998 Road King running again. Sep 14, 2013 · In 2000 they only had one type of EFI, the italian Magneti Marelli brand that sucked really bad. Harley-Davidson Fuel Injection basics It is a sad day in Hogville. problem is, its not cheap. Is it feasible to swap it the fuel injection to the Delphi system? What is involved other than swapping them out? I'm assuming it's not The problems with Magneti Marelli fuel injection #onlyatberts. Learn more about our Returns Policy Genuine Magneti Marelli IWP-069 fuel injectors for auto and marine engine applications. Although these systems are considered obsolete, there's still a lot of these motorcycles on the road today. 1996 ultra classic 30k miles. some o-rings or something that could be replaced inside?? 1995 – 2001 Harley-Davidson Touring motorcycles used a Magneti Marelli style fuel injection system. and no one makes parts for them anymore. He could have converted to the new Delphi EFI system but has always loved carburetors. The hardest Apr 2, 2024 · Some of the issues when dealing with Magneti Marelli fuel injection systems Oct 20, 2021 · Magneti Marelli Road king issues Jump to Latest 8. An injector should spray a fine mist. If I had the throttle body, ECM, SERT,coil, pump,and wiring harness from an 02 FLHT (mine Replacement barometric pressure sensor found on late 95-98 Harley touring models with Magneti-Marelli fuel injection. May 19, 2025 · The method for adjusting idle speed on a fuel-injected Harley-Davidson largely depends on the model year, the type of EFI system (e. Magneti Marelli TroublesDid the conversion on exactly the same bike 2 years ago. - Precautions when removing and refitting the injection ECU connectors Jul 11, 2008 · 2. We've made returning items as easy as possible. 0 l/min static flow range• 0. I saw the link to a swap but it requires a AMM-P3 ignition? What is that? Any other info that uses a standard ignition? I have a SE unit sitting here. 2K views 4 replies 5 participants last post by 1/2 Ton Mar 27, 2022 E EVOLOVR Discussion starter 8 posts · Joined 2022 #1 ·Mar 22, 2022 I have a '98 EVO with 35k miles and have heard all the stories/nightmares about the failures but never when they started occurring, my question is at about how many miles do these MM problems start. You may also need an SERT or PC system to tune it. Have already replaced the engine temp sensor, still acting up once in a while. The description said that the bike cranks but won't start. International environmental concerns have slowly forced the change from carburetor to electronic fuel injection. Mar 10, 2007 · I've seen the Zipper's thundermax conversion I liked what I've seen and herd now comes along PFI,Pegasus fuel injection. Auto manufactures don't have to either ! I go where I can find compatible parts that will fill the bill. What are the most common problems with the 2001 Harley Davidson Electra Glide? The most common problems include cam chain tensioner wear, crankshaft runout, oil leaks, engine heat, and issues with the Magneti Marelli fuel injection. This is the same new Magneti-Marelli/Weber quality injector used by Harley dealerships, not remanufactured like most cheap injectors found online. Harley-Davidson then switched to the Delphi brand ECU. Harley Davidson air intakes for Road King with Magneti Marelli Fuel Injections, ForceWinder intakes for HD Road King with Fuel Injection. The following information is strictly for the Magneti Marelli injection system. Requires Jan 5, 2022 · Howdy, I’m new here. Jun 7, 2008 · Magneti Marelli EFI 1999-2001-Does Anyone Here Have A Trouble Free Bike with MM EFI? Mar 31, 2015 · Also any engine mods need to be taken into account. wiring harness was from e-bay. That system was used on all the Evo EFI bikes, as well as the ’99-’01 Twin-Cam touring bikes. What other options are there? The bike is currently on a Power Commander III with a serial port and I am having trouble finding a place with a serial port to tune the bike. Replacement barometric pressure sensor found on late 95-98 Harley touring models with Magneti-Marelli fuel injection. I set the cold idle according to my service manual setting the TPS voltage to 0. This includes all FLH's, Roadkings, etc. 1K views 3 replies 4 participants last post by bobf Aug 14, 2020 B The Magneti marelli systems were only used for a couple years and require a different scan tool than the rest of the fuel injected bikes and most do not have. May 10, 2016 · The perevious post answered one possibility of going from fuel injection to a carburetor. Injector cleaners contain chemicals such as toluene (normally found in gasoline at lower concentrations) that need to be diluted with fuel to avoid damaging fuel hoses and o-rings. ThunderMax . Aug 15, 2012 · An S&S Super E, a Power Arc ignition, the pingle conversion for the tank and a Golan fuel petcock have replaced all the Magneti Marelli FI components. Why Tune Your Harley Davidson EFI System? Tuning the EFI system of a Harley Davidson motorcycle increases the efficiency… read more Feb 6, 2008 · Here's a page that will tell and show how to set the timing on an EVO and what the timing marks look like too. The Magneti-Marelli system that was introduced in 1995 saw use until the Jan 13, 2010 · The local Harley shop said that since it's a 1999 and apparently only a one year fuel injection system, the parts would be hard to get. Mar 19, 2012 · Well, I would steer clear of the 2001 model year. Good working condition. 2. There seems to be a difference between the twin cam tanks Jul 10, 2007 · This describes a method to set cold and hot idle speed on Magneti-Morelli EFI systems. The bike is complety stock, with the infamous magnetti morreli fuel injection system. Sep 3, 2006 · Ok, I have never been happy with the Magnetti Marelli and have most of the parts for the conversion to carb. Jul 13, 2008 · The old Magnetti-Marelli fuel injection used in the 90's was lousy. What I have is a 01 electra glide classic with the mm efi system and I do not care much for it . Apr 4, 2014 · Talk about :stir2: Recommend going to search box and type in Magneti-Marelli fuel injection and everything you ever wanted to know is available. Jun 30, 2011 · Magneti Marelli (MM) designed Harley-Davidson’s first incarnation of fuel injection. Idle problems galore, and not a very robust system either. Sep 27, 2021 · FYI, Harley-Davidson used the Italian based Magneti Marelli's electronic fuel injection system on this and several other model years. My question to the OP is what he's going to do about the internal fuel hoses ? Those parts are obsolete ! I'm wondering if the OP did a fuel pressure test to determine that the pump has 4 days ago · This describes a method to set cold and hot idle speed on Magneti-Morelli EFI systems. But. These components replace the stock fuel injection system on 1995 to 2001 Magneti Marelli® style fuel injected touri g motorcycles. The noticeable issues connected with this failure are erratic drivability problems (there one day but not the next, etc. I used to have documentation on re-calibrating that system, but it is long gone. , Magneti-Marelli, Delphi), and whether any aftermarket engine management systems are installed. Harley Sportster Fuel Injector 27706-07A Fuel injector for Harley Sportster models 2007-2021 using blue band injectors. Magneti Marelli PHP062 Direct Injection Fuel PumpReturns are easy at Autoplicity Not happy with a purchase? No problem. will not idle when coldsputs,spurts slowly loses throttle response and powerYou can correct them for a while but they always come backI have seen a lot of guys dump a lot of money trying to fix a M/M efi but the problems always returnthe only sure way to Magneti Marelli Pico 377cc/m - IWP162 Fuel Injector This high quality IWP162 “Pico" top feed injector is a production component with a multi hole ‘Single Stream’ spray configuration and a wide range of applications for engines typically for engines up to 55bhp per cylinder (depending on injection pressure). In this series of video's I pull the Magneti Marelli fuel injection system off my Harley Davidson FLHRCI Road King and convert it to a FLHRC Carbureted Road King. It’s a 2001 Electra glide. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Jan 3, 2011 · Sounds like the Magneti Marelli EFI gremlins have arrivedFast idle starts. Dec 27, 2016 · Testarossa - Ignition, Fuel Injection Problems - Sympathetic EFI Upgrade Pro Discussion in ' Boxers/TR/M ' started by SBDaytona, Dec 27, 2016. The new EFI which debuted in '99 (I think) is far superior. Is the longer of the two fuel lines supposed to be connected to the forward hole at the bottom of the tank? The reason I ask is that I disconnected them, and upon reinstallation, the longer fuel line, which I connected to the front hole in the tank, is leaking significantly at Let's rebuild a Magneti Marelli EFI on a 1999 Road King! For the full Road Ready Revival videos on this bike, please see the following links. A couple weeks ago the cold idle started the same thing. If I had the throttle body, ECM, SERT,coil, pump,and wiring harness from an 02 FLHT (mine Feb 24, 2009 · If you are modifying a Harley EFI (Delphi or Magneti-Marelli) engine with more than a high-flowing air cleaner, chances are you will need to adjust the engine’s fuel curve to achieve maximum power and smooth ridability. Hope this will help you in the future. up to 2001. Any help is appreciated. I think I've read them all. The Magneti Marelli-Weber IAW is a fuel injection and ignition control system. One of the most common problems is the plastic lines cracking inside the tank and not providing the correct pressure to the rail. I ran into problems with the stock Magneti Marelli fuel injection a few years ago which there known for, so I changed it to a S&S super E carb with new intake, and a thunder max ignition, about $1500. Been doing allot of lurking and researching within. I, 2 mos 1 Kevin Evans Had a 97’ tour glide with the MM FI system. 2 years ago I had Woods TW6 Cams, wood lifters, Woods cam plate and a woods pump put in it around 3500 dollars in work. If that is what you have, then you probably have a defective unit and that sucks since it is old and they use a Delphi ECU now. The MoCo doesn't have to supply fuel system parts for their obsolete EFI systems. But an incorrect temp signal can cause improper fuel mix when cold. If the early fuel injection system that came with your 1998 is causing the issues and you wanted to stay with fuel injection here is a aftermarket fuel injection solution that can replace the Magneti Marelli fuel injection that is on your 1998 Road King. Jul 27, 2019 · I read a lot about MM fuel injection units going bad. Started up fine, took it down road a mile again just died and stranded me. I think you need to find an old school Harley shop with some seasoned mechanics !!! You're in Illinois, try Lake Shore H-D. May 12, 2023 · Based on the company’s expertise in the high-pressure direct injection technology, the new Marelli’s fuel system meets the strict requirements of these engines, ensuring precision, efficiency, performance, easy integration and complexity reduction. Jul 4, 2025 · 1. Jul 1, 2024 · 1 yr 17 Riley Sbardella Michael Schaale it’s a budget friendly alternative to the magnetti marelli fuel injection, anything after a stage 1 mod marelli systems have issues, after 2002 Harley switched to Delphi efi so it wouldn’t be worth it to convert to carb for a 2010 1 yr 11 Scott Allenton Riley Sbardella best thing I ever did to my 97 Ultra was convert it to an HSR42, everyone tried to Apr 15, 2025 · Harley OEM Fuel Tank with Emblems and Fuel pump Complete Magneti Marelli Fuel Injection 98-01 FLHTCUI Clean Inside and Out. Have you ever changed the fuel lines in the tank?? About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket © 2025 Google LLC I have a 2001 ultra classic which has magneti marelli EFI, I’m having issue with the running it has hesitation around 4000 RPM I tried changing the fuel pressure regulator,coil, tank, mass air sensor, spark plugs. Jan 2, 2013 · What tuner are most people using? I looked into a ThunderMax but the conversion is cost prohibitive currently. Was about to pull the trigger on a Dakota Kid carb and the neccessary parts. I tried finding a diagnostic tool but apparently I don’t think there is a diagnostic Feb 14, 2021 · Do a google search for "Magneti Marelli Fuel Injection to Carb conversion". Our 2021 PACE Award winner technology provides an high and very High-Pressure Fuel System (Pump, Injectors and Rail) up to 1. - Precautions when removing and refitting the injection ECU connectors Injectors See our Marelli Injectors Comparison Sort By: Marelli IWPR Pico Racing Fuel Injector Pico Racing Fuel InjectorUp to 10 bar - Up to 1. Bike would hardly run first thing in the morning. Should this fix my leak or are new lines in my future? They leak at the coupling below the hex nut that goes inthe tank. These injection systems can be very temperamental especially when it comes to cold or hot idle (or both). sometimes when started hot or cold the rpms jump up to 2000 rpms, once the bike is rode a few miles it returns to normal. Not sure about one that early. In a nutshell, there are two types of fuel injection used Jun 25, 2007 · Thayer Fuel Injection conversion kit using a conversion FI harness, OEM HD ECM and a modified gas tank and throttle body. Nov 3, 2007 · Magneti Marelli EFI 1999-2001-Does Anyone Here Have A Trouble Free Bike with MM EFI? Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. Anybody have any luck replacing the o-ring in the tank fitting? I've heard of guy using the oil drain plug o-rings to fix this Where the MM fuel injection system on Harley Davidson motorcycles does not incorporate O2 sensors, making adjustments to the fuel mix is not complicated. Requires Nov 8, 2025 · Fuel leak-Magnetti Marelli FIXEDJust reinstalled a fuel tank on a 2000 FLHT with M&M fuel injection. Aug 5, 2020 · The Magneti Marelli injection systems used 99-01 are pretty simple and most problems are fuel pressure related. these systems are super not reliable, they dont like speed parts. Once in a while, like most M-M the warm idle would just stop remembering what it is supposed to be set to. e. I want to replace the fuel tank because of a dent. The MoCo never developed EFI systems, they bought aftermarket systems under contract ! Magneti & Marelli and Delphi are Replacement barometric pressure sensor found on late 95-98 Harley touring models with Magneti-Marelli fuel injection. From what I remember it is normal for the ISC to fully extend and retract at key on to find the correct throttle position according to the TPS signal. Starting to notice minor very infrequent rpm run-ups but many easy tweeks well documented. When I start the bike cold (well, 84 F) my TPS reads about 1. Jan 3, 2011 · Sounds like the Magneti Marelli EFI gremlins have arrivedFast idle starts. Disconnect but do not remove the fuel pump, it stabilizes the fuel gauge sender. I am installing a Gen 3 EFI Tuner most May 12, 2011 · Can anyone confirm that the procedure below is valid for the simple Magneti-Marelli system? I gleaned this from interweb searches and this seems to be the most common: Unscrew throttle stop to make sure butterfly is fully closed. VerticalScope Inc. will not idle when coldsputs,spurts slowly loses throttle response and powerYou can correct them for a while but they always come backI have seen a lot of guys dump a lot of money trying to fix a M/M efi but the problems always returnthe only sure way to Explore high-quality Magneti Marelli - Webber fuel injectors and rebuild kits for efficient automotive performance at Injector Planet Corp. I have power to the fuel pump tab on the gas tank, both when first keyed on for a couple of seconds and while cranking. Troubleshoot and optimize your Harley Davidson EFI system for peak performance. - Performing checks with the engine running requires the gear in "P" and handbrake applied. Nov 14, 2024 · Magneti Marelli Parts & Services, with its deep knowledge of injection systems, which the company has pioneered from the beginning, offers more than 60 types of injectors, varying in spray configuration, operating range, pressures, and supply voltages. I'm having an issue with my cold startup. 00 for two fuel lines!!! Certainly there's a cheaper solution for this problem, i. I am fair at turning a wrench and found this DIY relatively easy. A little tutorial from the MoCo. 6K views 16 replies 6 participants last post by fxdls110 Nov 15, 2021 F Jan 23, 2007 · Always dynoed with high numbers and ran pretty well with the Magnetti-Marelli FI and a PCIII but it always had problems, hot/cold idle, starting, pinging, decel popping, etc, you know all the same crap MM owners complain about. Aug 16, 2025 · 2001 Magnetti Marreli fuel pressure way too high Started by HFD 193, August 06, 2014, 09:42:12 AM Previous topic - Next topic 0 Members and 1 Guest are viewing this topic. Aftermarket fuel management systems are also available as are Stage downloads to the ECM. But the machine gun sound usually means the gears are stripped inside. The 2002 Module has the Idle Air Control sensor as I have had people suggest to check that but my EFI does not have that. Mounts to the factory ECM. I know it's been discussed. The complete range includes more than 60 types of injector that differ in spray configuration, operating range, pressure and power supply voltage. Aug 2, 2012 · The Magnetti Marelli EFI is completely adjustable to compensate for performance improvements. Resolve Magneti Marelli Tuning Issues with expert tips. Physically set TPS so that when powered on we see 150mV output. * Be sure to verify your model requires p/n 32424-95 before purchase. ); and backfiring on de-acceleration from high rpm down to 3000 rpm. 000 bar for Gasoline Direct Injection enabling advanced combustion concepts with best in class noise vibration harshness performance. Harley purists Jun 22, 2012 · 2001 road king stranded me,, went through found the supply check valve inside's were gone, replaced it. Aug 13, 2015 · First thing to do on those whenever a problem pops up is to pull the ECM fuse or disconnect the battery for 30 minutes or so, reconnect, see if that helps. First, when it comes to setting cold idle, the service manual leads you down a path of frustration. 1994 and 1999 some Evos had Magneti Morelli fuel injections on them and they were like in the car world it would probably be like the 83 Corvette the crossfire injection with never ending problems some love them but most hated it so the problem we face today is look we do work on everything at Bert's but if you got a Magneti Morelli fuel injection system that run somewhere between the years of Customer: On a 1996 FLHRS with a Magnetti Marelli Fuel Injection system, there are two fuel lines leading to the tank. What should I expect to pay a shop in Tampa Bay Florida to do the conversion for me using a stock Harley carb? Thank you. Since 2001/2002 I replaced/changed only shifter shaft seal, two primary lip seals, and several days ago fuel pump/ECM relay (US$ 10. 00). The control system evaluates signals from different sensors and adjusts fuel metering and ignition accordingly. Mar 20, 2008 · I have a 99 RK with the marelli wonder unit. I have a ‘99 FXDWG with the carbed twin cam and it’s throwing codes for the cam position sensor. i guess they work fine for a time but once they start having issues they dont stop. Be part of innovation of automotive industry co-creating technological solution with an experienced partner as Marelli enpowering automakers. How serious is the cam chain tensioner problem on the 2001 Electra Glide? Very serious. 6. If adding fuel on the green pot, as per basic adjustment #4, causes the bike to run worst, you should follow this procedure - Make sure the bike idles at 1000 to 1050 rpm. Fuel injector for Harley Sportster models 2007-2021 using blue band injectors. Good Stuff! I gots a 1995 EGClassic with MM EFI only 23k miles on it. On a difficulty level from 1 to 10, I wou 4 days ago · Magnetti Marelli conversion to more modern EFI ?Hi Fella's, My 2000 SERG is getting a bit tired, it now has 102,000 km (65k) on it and I don't believe the motor has ever been opened. 66 V (as observed with my SERT). Sep 19, 2011 · I'm new to the Harley family. Oct 13, 2006 · When you purchase through links on our site, we may earn an affiliate commission, which supports our community. I have tried many times to get it to fire. 2 mos Eugene Echevarria I have a 97 fuel injection not sure who made the injection 2 mos Billy Crabtree I looked into for a ultra I had, and believe there is a con version kit to Delphi F. The document provides guidance on vehicle repairs and inspections, including: - Erasing fault codes during pre-delivery inspections. I actually do like alot of things about EFI and am considering conversion to Delphi if feasable. Aug 25, 2008 · Anyhow, I have had the "typical" warm/cold idle issues with my M-M for some time now. AMT (Automated Manual Transmission) 1994 and 1999 some Evos had Magneti Morelli fuel injections on them and they were like in the car world it would probably be like the 83 Corvette the crossfire injection with never ending problems some love them but most hated it so the problem we face today is look we do work on everything at Burt's but if you got a Magneti Morelli fuel injection system that run somewhere between the years of 97 Road King Project EP6 - Magneti Marelli Fuel Injection and Power Commander PC3 BusaBob's Garage 1. May 30, 2010 · Magneti Marelli - no issues at all. Jul 12, 2008 · I have a 2001 FLHTC-I which has the MM fuel injection. This electronic control unit (ECU) reads various sensors located on the vehicle and makes the determination of how much fuel to allow the engine to have based on this information. https://www Dec 9, 2017 · I have no experience with Magneti-Marelli, but it does have spark and will fire on starting fluid. 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. EFI Basics In its simplest terms, an electronic fuel injection (EFI) system is a computer controlled fuel delivery system. Magneti Marelli Pico 510cc/m - IWP189 Fuel Injector This high quality IWP189 “Pico" top feed injector is a production component with a multi hole ‘Single Stream’ spray configuration and a wide range of applications for engines typically for engines up to 90bhp per cylinder (depending on injection pressure). The computer will open and close the injectors allowing gasoline into the engine based on the Jun 7, 2008 · Zipper's Magnetti Marelli EFI Conversion Kit To Delphi EFI For 1999-2000 Twin Cams? Dec 16, 2009 · Tuning a modern Harley Davidson Electronic Fuel Injection system refers to the use of computers and software to produce a fuel optimization “map” for the engine–designed to optimize the release of fuel mixtures under varying conditions. - Reading fault codes from the injection and automatic transmission ECUs after problems. Any stock or aftermarket ignition module for 03 and down will work. or the 1995 model year, HarleyDavidson introduced electronic fuel F injection for the first time on certain touring models. Discover ThunderMax's electronic fuel injection and performance parts for Harley Davidson and VTwin motorcycles, including support documents and troubleshooting guides. 17V and my ISC is at Jul 28, 2023 · I'm converting my 1998 Road King Classic from the Magneti Marelli fuel injection to an S&S Super E carburetor and thought I'd post some tidbits and lessons learned so far that I couldn't find the answers to online. I am considering doing a bore kit from 96 to 103, and also switching my EFI on my 2000 Road Glide Triple Red from MM to Delfi or some other system without having to take out a mortgage Any feedback on this project i think your bike has magneti marelli's fuel management. It starts and runs like a dream now but I am left with some residual problems but at least I 3 days ago · Since I am cursed with the old (2001) fuel injection system the only sensors I have are the Intake Air Temperature and Throttle Position Sensor. The problems with Magneti Marelli fuel injection #onlyatberts. Although for the most part it has been ok I want to swap to a mikuni. I primed it a couple time's (ignition on/off), started right away and died within 2-3 Aug 10, 2020 · First Bike 2001 Road Glide w/ Magneti Marelli EFI and having problems :- ( Jump to Latest 4. Replaced fuel pump and filter. And most purchases can be returned for free for 30 days. Nov 9, 2017 · OK I'm starting this Magneti Marelli efi TPS again. Customer: A friend called last night and he screwed around with the adjustment screws on his Road King's Magneti Merilli EFI. gjmxe uuav zwsrlws bfsu eyuiif vdop pszmkaps fks zmokh gtcpl ephgls wslg vzeiq baji ettfoj