- Motorcycle sputtering fuel injected Once over 5500 RPM it starts to hesitate and by about 6000 RPM there's sputtering and popping in the exhaust and it feels like a fuel cut rev limiter on a fuel injected car. Over time, fuel injectors can become dirty or clogged due to: Accumulation of fuel additives; Using low-quality gasoline; Debris from the fuel tank; If the fuel injectors are not delivering an even and constant stream of fuel, your motorcycle’s EFI system can’t maintain a consistent idle. Menu Log in Register Forums. When I turn the switch on, I hear the fuel injection sound. I rode it for about a mile and started sputtering/died again. Mechanic's Assistant: Im sorry to hear about the issues youre experiencing with your 2007 HD Sportster xl1200C, but our motorcycle Mechanic will be able to help diagnose and resolve the backfiring and sputtering problems youre facing. The adjuster is next to the frame and under the fuel tank, so this is best done with the tank removed and either hung with a long fuel line to the pump, or replaced with a small aux tank. 2012 Yamaha V-Star 1300 Tourer Highlights and Key Features: Fuel Consumption ± 18kpl/51mpg(Imp) 60 degree, fuel injected, V-twin . Welcome everyone! This video is of a 2005 Kawasaki Vulcan 1500 Fuel Injected motorcycle that was running rough, cutting out, and missing upon hard accelerati This article lists the most common reasons a Harley-Davidson motorcycle keeps stalling. Seems to be happening in turns. My bike will cut out every time when I'm at full throttle and start to over rev. Now thinking off inspecting all the sensors attached to the fuel injection? Suzuki 250F 2014. at first it seemed like at first it was only backfiring and dying at low speed/rpm. What To Do When Your Fuel Is Empty. I’ve had many experiences where I could get a “dead” pump going by blowing through it BACKWARDS and hitting it nice and sharp with a wrench. I then looked into the fuel pressure and decided Triumph wants way to much for simple tools and parts. Just started having trouble with bike sputtering and wants to die - Answered by a verified Motorcycle Mechanic We use cookies to give you the best possible experience on our website. If it doesn't the powerless fuel pump isn't delivering any. Vacuum leaks often develop due to a dried-out and cracked-open air intake boots or On a Fuel Injected Harley Since the bike is fuel injected it's not as affected by a dirty filter like a carb'd bike is. Water in fuel. Revs up, redlines, holds there, keeps going runs for a minute straight without fuel connected. Customer: I have a "2001" fatboy, (fuel injected). Bike can be ridden (barely). Other For fuel-injected motorcycles, clogged fuel injectors can cause sputtering on acceleration. Harley plenty of fuel injected bikes have chokes/enrichers. Stalling issue with K75S Anyone that can help would be great. Fuel injection has different sensors that it Customer: I have a 2002 Electra Glide and I ran out of gas the other day. Checked and cleaned the plugs. Something is wrong, and something is confusing the computer. Save Share Motorcycle Riding 120 members. My Dyna superglide started spiting sputtering like bad gas or misfireing 3. Updated: July 1, 2020. A couple of weeks ago I went to go for a ride with my girlfriend. I'm kind of afraid to ride it cause of the sputtering. On a fuel-injected bike, connect to the motorcycles ECU with a diagnostics computer and see if the ECU needs to be returned. Flint McCormick. ) I know it's somewhat common for the gas filter on V-Stroms to get clogged up/dirty, so this is one possibility I suspect, however I'm thinking due to the Shell gas working for me, maybe I just got a bad tank of gas at the Esso. The carbureted Monster was just as happy after a minute of warmup as the fuel injected ST2. Mechanic's Assistant: What is the model of your '14 Suzuki? Rmz. Steve. Canadian bike 1991 Yamaha fj1200,50,000kms. I've read on the internet that it could be dirty fuel, dirty fuel lines, dirty fuel tank. When the scenario is the opposite, that is too much air and less fuel, it’s called a “lean” mixture. Sputtering Engine. Any ideas what's causing this? Also pipes baffles have not been Vulcan 1500, Vulcan 2000, Vulcan 500, Vulcan 1600, Vulcan 900 and all other Vulcan motorcycles. then she kept acting like she had no gas. Mechanic's Assistant: Is the check engine light on? Does the bike stall at idle or when driving? When driving/racing. I would also I have the following issue on a brand new 2019 KTM TPI fuel injected XCW 300. I started my bike today and walked outside my garage for a minute. Share: Back. It seems to be when I come down from high speed and downshifting. Idle was a bit rough at times, bouncing between 1500 and 1000rpm, (usually 1500 rpm), and to get the bike moving in first and second gear, I had to give it a LOT more gas than usual. If the spark plugs are worn or dirty, they may not be able to ignite the fuel properly, which can cause sputtering. Sputtering, back-firing and eratic idle, shutting off. Harley Davidson Motorcycles. So a couple of weeks ago I bought an RM 85 and put a fresh new top end kit in it (weisco). Modern motorcycles use computerized fuel injection systems to inject a precise fuel amount into the combustion chamber at an exact time. Vintage motorcycle restorer. Touring Models . Again, once at 45-50+ ran fine. FZ6r sputtering/stalling, NO CODES . 5 to 2 quarts of oil. There's about 5 minutes or so of neighborhood riding before getting to a main road. Can’t figure it out, and suggestions would be much appreciated thanks This morning however, I noticed the low-idle issue again (but no sputtering yet. Table of Contents. I've listened in the fuel tank for spiting sounds but fuel builds an holds pressure, also filling tank does not stop problem, plugs are sparking nice. I am having a problem with the engine cutting out but not all of the time. So I put it back on the stand and it starts and begins sputtering. Have you noticed any specific Motorcycles and cars used carburetors for more than a century, and a lot of third world country market vehicles still use carbs today. So at this point, my fuel pump is working and not a relay problem. Motorcycle sputtering is a situation where the engine is not achieving its full combustion and normal power output. It Atv,motorcycle,sled mechanic for 10 years. Full Forum Listing. A fuel filter, probably within the gas tank is probably plugged up and must be cleaned. 2002 DYNA LOW RIDER FUEL INJECTED SPUTTERS BADLY AT LOWER SPEEDS. Fuel octane low, causing detonation Another common cause is faulty spark plugs. The bike is fuel injected with an automatic fast idle when starting, no manual operation available. com > Model Specific > 3rd Gen Honda Magna (1994 The bike is probably running lean with the aftermarket air filter so its not getting enough fuel to is a 1980 Fuel-Injected kz1000 -- DANGEROUS? KZ1000 Motorcycle Service Manual: Kawasaki part number 99924-1006-05 and The owner told me it was sputtering a lot for his final ride on the bike back then. The lights go. Now I've had other bikes that were a little cold-blooded, but this thing is fuel injected so that shouldn't be an issue. Especially at high altitudes. i checked around the bike and saw no gas or anything unusual. Then using a cheap auto parts store Fuel Injection test kit along with some new fuel line and some jumper wires I was able to set my fuel tank on my work bench and start my bike. experience sputtering, Motorcycle Tech. Again, I got it started in about a minute and no sounds of sputtering or These needs led to the development of fuel injection systems, which are used by the majority of cars and motorcycles today. i have a 2003 yzf250 and it is sputtering. I know it has something to do with the carb/jetting but not the specifics. 25 Years. In modern bikes, the air-fuel ratio is electronically controlled. Precision Fuel Mapping For fuel-injected motorcycles, professional tuners recommend precision fuel mapping. The VTX 1300s are all carb. I should preface this by saying that I don't know much about carbs, jetting, fueling, etc. A low IAC count indicates and intake leak. you will want to run it in the on position when you fill the tank and when it gets low after riding a long distance it will start sputtering and try to run out of fuel. Air and replacements to avoid air leaks that lead to engine sputtering and frequent stalling. That’s why you see so many engine starting and sputtering problems with carbureted motorcycles. From rough idling to a sputtering engine, the symptoms of a clogged injector are Is the fuel tank designed to pull air in through the fuel tank cap. Measure manifold, MAP sensor vacuum and voltage 1st. There are some signs to look for if the fuel pump on your motorcycle is going out, such as sputtering and starting problems. I quickly concluded the carb might need some fiddling around so I Always consult a qualified technician or mechanic before attempting any repairs or modifications on your motorcycle. This is because air/gas There are several reasons why a motorcycle sputters. Now I'm runnig the KTM --which has been set If it is fuel injected, the IAC sensor may be masking the intake leak. Fuel injection systems are known for I have a wire on a connector that is severed on my Motorcycle 2016 dyna fat bob part number 72533-06 2002 DYNA LOW RIDER FUEL INJECTED SPUTTERS BADLY AT LOWER SPEEDS. A modern fuel injected bike should not have this issue, or the issue the first person to reply has. It had absolutely no power/torque when transitioning from mid range to top end and was sputtering through all the rev range. Vacuum leak: Leaks in your engine or exhaust system can disrupt the air-fuel ratio, leading to a lean mixture. No kicker and constant fuel injection issues. The same problems do not exist in fuel-injected motorcycles. Fuel injectors can become clogged with dirt or debris over time, leading to an improper fuel-to-air ratio and ultimately sputtering Sputtering issues in Harley Davidson motorcycles can be caused by a variety of factors, including dirty or clogged fuel injectors, issues with the spark plugs, a clogged air filter, or problems with the fuel line or pump. This article explores how the system enhances throttle response, performance, and fuel efficiency while mitigating cold start issues. See if that fixes it. Sputtering and stalling during a race. It's actually the same part, just hooked up to a different place on the other end. Fuel injectors: Clean or replace if clogged or malfunctioning. I also changed to oil today. Show Less . If the motorcycle is fuel injected, it is almost A fuel injector can’t overheat when the motorcycle isn’t running. Bike runs hot/feels slow and flat on straights. 9. The way the K&N is negative to the srads, the A forum community dedicated to the Suzuki GSX-R motorcycle. It can hurt your ears if you’re in a confined space, or could start a fire as some backfires even emit flames. Rich-Running Engine (Too Much Fuel) For every motorcycle to run efficiently it needs a steady supply of balanced air/fuel mixture supplied to the combustion chamber to have a full ideal combustion. Finally, a clean air filter and fresh fuel can also even out an air: fuel mix that’s just slightly off. I don't know anything about jetting since I've been spoiled by my injected BMW for way to long. I can pull my test hill with my 2015 cT without down shifting like I use to have to do on my 2012 Yamal. While relatively uncommon, Harley Davidson fuel injection problems can be a real buzzkill, and if you own (Here comes the arguments). Harley Davidson Pan Total Motorcycle Community Forums. hi my bike is a 01 softail classic heritage fuel injected runs for bout 5 minits then sputters and stalls i have delphi ignition any help for me thanks S o I’ve had my 66 M20E for all of a month now and I’ve been having a problem for the last 2 weeks. Then. Turn the key on and the pump pumped fuel out of the hose (across the shop floor!). Thanks for any input. Incorrect Camshaft position. Some of the reasons for this may include carburetor, spark plug, and fuel Proper Fuel tank venting would be the frist thing I'd check for. How difficult would this be for the average person, :bigsmiley22::bigsmiley22::bigsmiley22: or would it be best done by a dealer. Carbon fouling on the spark plug. most injected engines do not have a mechanical idle speed adjustment and that is a problem if engine mods have been made. Now at 9500 miles, again, Motorcycle Riding 120 members. If the fuel filter is clogged or the fuel pump is not working properly, the engine may not be getting enough fuel, which can cause sputtering. Jump to Latest 3K views Ever wondered why your motorcycle's performance has dipped or why it's guzzling more fuel than usual? It could be a sign of a clogged fuel injector, a common yet often overlooked issue. Handling is great and my fuel economy was always 120mpg. By appreciating the vital role of the fuel pump, 🏍 General Motorcycle Discussion 🏍. All of my carbureted bikes have always gotten me home. Once we got on the main road I got on the throttle a little and the bike was sputtering and had loss of power. This is why so many, especially in the cruiser market, keep Dynojet in business through purchases of their "Power Commander" product! Generally, the carbs or ECU/Fuel Injectors are setup and tuned in the factory for the design and back-pressure of the OEM exhaust system. Not sure what I should do. Bike is sputtering HELP. So I take it the fix is to remove the gas tank, and look at the holding tabs on the pump and to replace the fuel line? On a scale of 1 to 5. 964 Satisfied Customers. Try taking it apart and cleaning it. If that bothers you then hopefully there is a tuner on the way. 400 Million Readers. Lots of great info but I just couldn't find anything to fit my situation. Hi, I have a 2003 ktm sx 250 that sputters when I give it gas at low rpm. Fuel Injection. This bike now runs but it sputters while accelerating, but once the rpm is high enough, it runs smooth. so she started sputtering and i filled her up. 5. “This is an incredibly exciting development . 2016 Triumph Bonneville T100 – www. If a bike’s fuel injector is clogged, the motorcycle will lose power when you hit the throttle and attempt to inject fuel to boost your RPMs. 9 Signs Of A Bad Motorcycle Fuel Pump. Reactions: 1/2 Ton and Kainam. The carburetor has played a massive role in motorcycles but is being faced by fuel injectors. as soon as i got it up to good Discover the advancements of the Suzuki SV650, a sport-touring favorite that features an efficient fuel injection system since 2017. 30+ yrs. typeAir-cooled, DOHC, Most fuel injected motorcycles do start up in a "fast idle" mode. NOT SeaFoam. This year it followed the pattern with the new fuel-injected version of the Classic. 2,900 Understanding Fuel Pressure Testing for Harley Davidson EFI Models Testing the fuel pressure on your Harley Davidson motorcycle, especially if it has an Electronic Fuel Injection (EFI) system, is crucial for ensuring optimal performance. This may be caused by suddenly running out of fuel or opening the air boxes for too long. That’s why after a small crash or something you sometimes see them running next to their bikes and jumping on them trying to get them started again. Big Wanda. 2,474 Satisfied Customers. Got off work at 6AM and started riding home and about halfway through my trip bike started sputtering and died. 0 Likes. 8. Each time the manufacturer does this, somebody on Motorcycle Cruiser's staff wants to ride That dumb sputtering often occurs when the y pipe on the carbs is diconnected from the front of As it seems to not be an issue with the Fuel injected models. Replace if necessary. Hi everyone. Bike starts great, but backfires, and sputters. Any idea what's causing When the combustion mixture has too much fuel and less air, it’s a “rich” mixture. The fuel injected ST2 will still die when cold if I turn the cold start lever off and close the throttle all the way at the wrong time. Sputtering . Motorcycle Carburetor Vs. Fuel-related issues can also cause sputtering. Ive checked over all my wiring and have not found anything wrong. It is Spitting, sputtering, surging and loosing more power the more I drive it I got the motorcycle 2 years ago - it was sitting for several year, so I cleaned the tank, cleaned the fuel lines and injectors, replaced the plugs and air filter - the bike ran perfect for the last two years. Clogged fuel injectors: Customer: I have an 05 Harley Fat Boy (fuel injected) Today on the way home from the gym it started sputtering bad. Click here to learn how to tell if a motorcycle’s fuel injectors are clogged and how to As the name suggests, fuel injectors ensure that fuel is carefully injected into the engine for combustion. Thread starter zer0t; Start date But, the EFI was very niceno sputtering or hiccups. But I do want to learn. It also stops when acceleration occurs. 0% Gas line crimp Votes: 0 I have a 2003 Road 88 cubic inch fuel injected. Debris in main jet. Motorcycle Losing Power Frequently. I just want to get this bike running smooth so I can finally learn and ride. Bike "sputtering" when idling, video provided #1 Unread post by Talendor » Sat Feb 24, 2007 3:27 am. Unfortunately, this is something the dealer will need to do as it requires specialized equipment. When you’re cruising on your Harley Davidson, the last thing you want is your ride to be marred by a sputter or stall. Oil being in the fuel has to change things Fuel injected vehicles that sit often have stuck or gummed-up injectors and stuck, inoperative fuel pumps. codyc0403. If you are rolling on a newer motorcycle, you probably are riding a fuel-injected bike. I know, although not the safest, leaner typically means more power up to a certain point. Can you push start a fuel injected motorcycle? To push start a fuel injected motorcycle, you’ll need to first ensure you have enough space ahead of you to push it. 0% Vapor lock Votes: 0 0. 2016. Only bike I've ever been stranded on. The air-fuel mixture is crucial for the proper operation of the engine. If not and fuel has been sitting in the tank a while for storage, etc. I bought a Bajaj Pulsar NS 160. The bike pulled very strongly up to about 4000rpm The Fury, introduced last year, is fuel injected. Originally, I liked the bike, but with me being only 5’-6” and the stupid tall height and now THIS I’m thinking on sending it down the road for a lower, fuel injected bike. After I rode it for a bit I suddenly started getting coughing and sputtering while using a steady throttle (cruising). Just to be sure do a plug chop is it running a nice light brown ( normal) or white (lean ). Look for fuel starvation issues caused but stale fuel gumming up fuel delivery. A quick look at the pros and cons of carbs and EFI. 1. After it does this on you next time, immediately open the fuel tank cap. MOTORCYCLE SPUTTERING? 2015 883 ENGINE SPUTTERING - By chatting and providing personal info, you Monitor it, run it a while, and see if it gets any better. I disconnect the fuel feed line from the carburetor. A misfiring motorcycle faces issues such as uneven air/fuel supply and inefficient ignition of the fuel. I have removed fuel tanks before from my VTX 1300. Pilot jet too rich. 2005 FLHR FUEL-INJECTED MOTORCYCLE SPUTTERING? Q&A EXPERT ADVICE By chatting and providing personal info, you What is the model of your '05 motorcycle? Customer: road king Mechanic's Assistant: - is the engine fuel injected? - has your fuel mileage been affected? - tell me everything yu can about when this started. EFI either has enough fuel to ignite or it doesn't. 2005 EFI RoadKing Sputtering. Engine Sputtering Under 2000 RPMnormal? 3rd Gen Honda Magna (1994-2003) V4MuscleBike. On low RPM, the engine is sputtering (sorry if I can't find a better word, I am not a native speaker) It feels like a cold engine but all the time, even after 3 hours of riding. Check the following components: Fuel filter: Ensure it is clean and free from debris. I have an issue with my bike sputtering at mid rpm under full load. I pulled off to side and got it started in about a minute. A lean bog is what you call when you can’t properly accelerate due to the excessive amount of air. When you get to Outpost, they will probably hook the bike up to the computer and moniter IAC steps as the bike warms up. 2007. It sucks because I bought it new so I’d have a longtime reliable bike I didn’t have to work on or modify. Main jet is too lean. Discuss the GSX-R600, You adjust it with a set of matched vacuum gauges connected to the vacuum ports with a pair of 5mm thread adapters. Even drove it to work last night, 9PM. Windshield, backrest & saddlebags Key Features: Has stock pipes and I believe its fuel injected. Ok, I would check the actual fuel pressure next at higher rpm to see if it drops off enough to cause the problem, it should stay around 38 psi even at wide open throttle, I would leave the gauge on while driving, hopefully the hose is long enough so you can put the gauge near the windshield with the hood closed. One important aspect to take into account is reliability. 4. Unlike carbureted models, fuel-injected engines require precise adjustments made through the motorcycle’s electronic control module (ECM) or by manipulating settings at the throttle body. I've tried both a richer main jet and leaner and it didn't seem to make a okay i had problems with my bike not idling with the choke off and so i put a new pilot jet in from a 50 to a 52 and it idles with the choke off now i didn't change the main jet but I'm wondering if i should because when i ride it in low rpms it sputters until i I also took a look inside the fuel tank with a flashlight and a mirror and I couldn't see any rust at all in the upper half of the tank. In this guide, we’ll walk through the process, list necessary tools like fuel pressure testers and adapters, and share some tips and Obviously, the fuel flow is being cut off somewhere in the system. Start by examining the fuel system, as issues in this area are a common cause of sputtering. experience, MMI, HD technician, HD early, engine rebuild/performance, bike builder, kit bike When there is fluctuating fuel volume or pressure is injected into the fuel pumps, the pump motor forms irregular resistance resulting in power surges. Professional motorcycle mechanic since 1978. I also noticed it when I decelerated and put the gas back on. Back cylinder plug was backing out, so I cleaned and tightened it. Similar to cars, motorcycles exhibit clear indicators when the fuel pump is struggling. If there is a problem with the air intake system, such as a dirty air filter or a vacuum leak, it can cause the engine to run lean, leading to sputtering. As I rode home it got worse. Someone please correct me if I am wrong about EFI failures. Even if they were dumping fuel or sputtering. 5. After that the bike will not stay running without giving it gas and when I give it gas it’s sputtering now Mechanic's Assistant: Have you noticed an increase in fuel consumption? And how does the Electra start—same as usual? Hi there, first time on TT. Road King Classic fuel injected. Sputtering Issues in Fuel-Injected Motorcycles. Same for the pump itself; hard to imagine a pump failure caused by I'm having the same exact issue, sputtering/stuttering at low throttle (I'd say about 0% - 20% of throttle), then clean as a whistle out the rest of the rev range. The fuel knob has 3 setting on it. Do you have any way of putting an in-line fuel pressure gauge on the bike and replicating the issue, just to see what your fuel pressure is when this is happening? Any ideas guys 2009 cbf fuel injected sputtering sometimes when starting up different sound acceleration ok after a moment if I cut out and start again can drive no problem Thanks for posting in r/Fixxit, the motorcycle repair subreddit. Explore Our Forums. Fuel octane low, causing detonation I bought a new 2009 with Leo vince exaust and differant clutch springs with contra spring already installed. If I twist the throttle and get hte RPM's back up, it will keep running ,while sputtering, but will keep Hey guys, I have a 2004 SV650, with 7500kms on it, and yesterday in the rain it was giving me engine problems for the first time. Motorcycle Tech. Technical. Car is 100% stock besides exhaust. Fuel injectors can also become clogged and cause a motorcycle to run lean though it’s not as common. When it reaches max rpm's it cuts out continuously for about half a second at a time. Gummed up carburetor bikes are bad, gummed up FI systems are worse If you have a fuel injected dog give me your opinion. when it would sputter, the lights on the speedo all flashed (fuel/ fi light/etc), then it would catch again. 4M posts 66K members Since 2005 VTX Cafe Forum is for owners of Honda VTX 1300 or VTX 1800. Thread starter sonofthunder; Start date Mar 13, 2007; What causes fuel injected engines to sputter? Fuel injector Votes: 1 100. If the petcock is open gravity does the work, or if it's vacuum operated the first cycle of the bump will draw fuel in. 3. By Ari Henning. Have you had the tank off ? is it kinking or trapping the fuel line . Sounds like fuel starvation. not functionally chokes, but instead enrich the fuel/air mixture and increase idle speed, kinda like a choke. Revs and pulls fine, no misfire under boost. Since it’s fuel injected, it really comes down to fuel delivery and metering, otherwise. Re-connect the fuel line and the thing just sputters and dies. The motorcycle will spontaneously lose its power in a frequent manner with a delayed throttle response which can be a similar feeling to a hesitant or stalling motorcycle. I have a 2012 Road the often will not start. To understand how this works, let’s first look at fuel-pressure in fuel rail; fuel-pump flow-rate; fuel-injector static flow-rate at 3-bar pressure; TPS-sensor output voltage; Compare numbers you measured to standards in service manual. Big Dog Motorcycles. Starts great, runs as expected up to 5000 RPM. I'm not very mechanically skilled so there's not much I can do. Reduced fuel efficiency; Step-by-Step Troubleshooting Step 1: Check the Fuel System. Schedule maintenance checks every 3,000 to 5,000 miles or as recommended by your motorcycle's manufacturer. How To Fix Exhaust Backfiring On A Motorcycle? If your motorcycle exhaust is making a loud pop sound or flame coming out from the exhaust, it’s a sign of exhaust backfiring. No throtle response when cranked full from cruising speed. First off I would pull the battery terminal, and let it sit for a bit, about 20-30 min should do it. It is worse the higher By chatting and providing What are the advantages (if any) of a fuel injected 883 over a carbureted 883? I have a 2008 883L and am looking at a. The Fuel Injectors Are Clogged. Carbureted motorcycles generally do not use fuel pumps, but newer fuel injected motorcycles do. Piston ring wear. KTM calls the new technology “Transfer Port Injection” or TPI, with a new 250 EXC TPI and 300 EXC TPI arriving in European showrooms this summer while North Americans will have to wait until late fall for the 250 XC-W TPI. Mc Garage. I guess I just had a sour taste in my mouth for fuel injection after the only fuel injected bike I've had was a 2012 Husqvarna tc449. If my battery is completely dead, how am I 2003 heritage softail spitting and sputtering - Answered by a verified Motorcycle Mechanic. Why is my motorcycle backfiring? A motorcycle backfire happens because of the presence of uncombusted fuel in the exhaust pipe. that is when the reserve or (RES) comes in. Then place it in second gear and hold in the clutch with key in the Faulty ECU (on fuel-injected motorcycles). Yea it's fuel injected And there's /r/motorcycles, but this reddit is for the diehard BMW Motorrad fans around the world, as well as enthusiasts of other historic German brands Members Online. Being independent of throttle position, my brain jumps to fuel feed Ok. I have the following issue on a brand new 2019 KTM TPI fuel injected XCW 300. This will result in poor See more In mid rpm's it like to sputter, after few seconds of sputtering it goes in to If your fuel-injected bike is puttering at high RPM, chances are the issue is coming from the fuel pump or the filter. The BMW years. after a minute or two i took it out of the garage and gave it some throttle to find that it just bogged Only if it has fuel. When fuel injectors clog You’ll be able to instantly tell when you accelerate because you will feel the sputtering as you move. when i give it not even 1/2 gas and right know i slow back down, it keeps on sputtering. As fuel evaporates, it thickens and becomes gummy. Reconnected tank fuel line. The inside of the cap lid has multiple spring loaded rubber discs, something I would also expect to see on a self venting cap where you want air to be allowed to flow in to the tank, but not out. That kinda makes sense. It did it the whole way home. They cause nothing but Well, MotoGP bikes are all fuel injected, and they don’t have keys or starter motors at all, they essentially HAVE to push start them. it's the part name. Has a lot of black on plugs etc from running rich only. It is a royal pain in the buttocks when you´ve spent 18,000EUR for a motorcycle. Learn how the SV650 delivers 50-60 mpg, automatic adjustments for varying conditions, and KTM is introducing a new two-stroke engine with a fuel injection system to its 2018 EXC enduro lineup. Checked the oil and noticed that in 1000 miles of riding I have lost 1. Clean sensors? You said it runs great for 20 minutes after drying the pump out. I have recently put an FMF q stealth on it, but noticed it before. The plugs when I pulled them today: BLACK WITH SOOT. If it doesn't, you ain't bump starting it. We turned back. My Polaris ranger 500efi sputtering and backfired. The fuel is sent through the injector at high pressure to atomize it into droplets just a few microns in diameter to increase the fuel’s surface area, and it is then sprayed into the intake passage through the tiny holes—usually 4 to 12—at the tip. I've done both, and much prefer the aux tank. Fuel injected. This little 50cc has BALLS! Im 190 and it was setup perfectly for my weight Easily reached 50 mph. 2023. If you get a rush of air, the tank isn't venting. since my gas gauge doesnt work i fill up as soon as she starts to sputter a bit. What To Do When Your Fuel Injected Harley Wont Start. Motorcycle engine sputtering is typically caused by an often serious issue within the fuel system. Sometimes this could be as simple as a fuel pump starting to go bad, but since you're saying you've already replaced the part this is unlikely. Bike suddenly starts sputtering/gas flows from vent tubes. FXDWGI with Vance & Hines dual exhaust has They introduce their first fuel-injected motorcycle in 1995, and this move isn’t just for kicks. 2003 Fuel Injected “FLHRCI” Road King Classic; I'm the original owner; 37,600 miles on it; No mods, Very sluggish sounding and sputtering choking sound. Especially installing a "high flow" air filter. it has been sitting there for 1 year. And then I start the bike. In a carbureted engine, though, the process isn’t nearly as efficient, and some fuel is bound to get into the exhaust. If you have one of those stubby vent valve things on it, get rid of it. I wasn't really paying attention but as I walked back in i smelled gas and it seemed to sputter a bit, but for the most part it idled alright. Sometimes. I have never replaced the fuel filter so that will be my next step. If your emulsion tube and high speed needle are worn the high speed jet is going to release droplets of fuel that WILL NOT BE ATOMIZED and thus the sputtering. Dirty or Old Spark Plugs This tradition started with the Nomad in '97, and Kawasaki did it again with the Drifter in '99. Debris in gas or carb. I went on Ebay and picked up a used fuel line for about 12 bucks. Discuss the GSX-R600, GSX-R750, GSX-R1000, and GSX-R1100, and I'm used to throwing a car on the dyno with a wideband to get the air/fuel in the right range. Fuel stabilizer is usually good for some months, maybe a year. WHEN THE GAS TANK IS ALMOST HALF EMPTY APPROXIMATELY 50 MILES THE BIKE - Answered by a verified Motorcycle Mechanic. I have been progressively increasing my abilities but have never messed with carbs outside of syncing them. put the selector in that position and get to a gas station quick. Pulled tank and quick disconnect, but kept the pump power and fuel light leads plugged in. Customer: I have a 2007 HD Sportster xl1200C with fuel injection. com European Specifications/Technical Details Europe/UK MSRP Price: £7,599 GBP (On The Road inc 20% Vat) Engine and Transmission. In a fuel-injected engine, your bike’s ECU intelligently adjusts the air-fuel ratio as needed. Various sensors send data to ECU, which controls the fuel supply to maintain a stoichiometric ratio for better performance and mileage. is it the jetting? if it is how do i clean the jets? i am new to engine worrk 2002 DYNA LOW RIDER FUEL INJECTED SPUTTERS BADLY AT LOWER SPEEDS AND ALSO BACKFIRES OCCASIONALLY ON DECELERATION - Answered by a verified Motorcycle Mechanic. sputtering, dying. On a carbureted car it has the Brand new dhz 4stroke keeps fouling plugs And sputtering bad after a little ride, the bike will start to cut out and sputtering when I open the throttle and the spark plug with be insanely black and dry. So, I picked up a 2015 XR650L in the fall. Fuel pump failures can be common on several motorcycles including Harley-Davidson Softail and Touring models from 2007 to 2011, BMW R1200GS from the mid-2000s, Kawasaki ZX-10Rs from the early 2010s, and Honda CBR1000RR’s from 2004 Machine is only three years old; my 30-year-old fuel injected BMWs have no injector issues at all, though at about the 20-year point I replaced the O-rings on general principles. Now it runs like a beast. Read less. A forum community dedicated to the Suzuki GSX-R motorcycle. then you may have to clean the injectors, lines, etc. Being aware of how much gas your tank has is one of the fundamentals of owning a motorcycle. Here are the most common causes of motorcycle backfire in carburetor and fuel-injected motorcycles. When you added exhaust New posts. Stuck float check valve. 54 years of Motorcycle Guides ∙ Reviews ∙ The friendliest motorcycle community on the internet! Skip to content. For a motorcycle to have a steady power output it needs to have an ideal full I have always liked quirkier cars/motorcycles so was wondering if anyone has any suggestions for an Air Cooled, Inline 4 motorcycle (like the Cb750) but with fuel injection? I’m no mechanic, not afraid to get hands dirty but never worked on a carb before so don’t know if owning an in-line 4 with a carb for each cylinder would be wise. It's a fuel injected bike but it also has a kick-starter. A motorcycle exhaust backfire is an annoying and potentially dangerous problem to have. Geezer . The bike cuts out almost like it is out of gas. if i spray ether into. Swapping sensors worked the first time - but then came back several hours later. "enricher/choke", according to the parts lists that i found when i looked before i suggested to OP that his FI harley had a choke lever that needed to be used on cold start. During these tune-ups, experts can identify and address potential issues before they lead to backfiring. Another thing it will do is idle fine one minute and then not Fuel injected Harley won’t start? Here are the most important things to look at to get your motorcycle back up and running. Save Share Honda VTX 1300 / VTX 1800 Motorcycles Forum. Most likely the tank cap. . The cap clearly has a slot cut in the threads on one side, a characteristic common to self venting fuel caps. 24. When I’m at low rpm and add throttle (just a little or alot) the engine falls off (sputters and chokes) for a second then runs better once I get up to higher RPM. Could see fuel flowing in the tank. Mechanic's Assistant: Are you fixing your bike yourself? it left in the fuel system and a dose of Berrymans B12 Chemtool in consecutive tanks of fuel might be a good idea. And stabilizer does not stop fuel evaporation. Alternatively, your engine Bike starts but won’t take throttle without sputtering. If your fuel-injected bike is bogging down on acceleration, try the following methods to fix it: I have a 2003 Harley Road that is fuel injected and it sat for a couple years and now won't start. I pushed into the gas station and filled it up. Before you do that, try this: Buy some Chevron Techron Fuel injection cleaner and pour a large amount, 1/2 to a full can into the tank and go for a LONG ride. Totalmotorcycle. I think the only problem that I have or have heard of with the EFI is the low RPM sputtering. And because HD manufactures parts for bikes made in the 50s, there might be just as many carbureted Harleys on the road as fuel-injected models. The most common reasons are carburetor issues such as a vacuum leak, fuel leak, or tuning issues. 0% Wrong codes downloaded Votes: 0 0. Some newer motorcycles have diagnostic tools that you can plug into it’s computer. Some motorcycles come equipped with a fuel gauge, others don’t have that luxury which leaves the owner in the guessing game most of the time. Adjusting the idle speed on a fuel-injected Harley Davidson is an important aspect of motorcycle maintenance that ensures the engine operates smoothly and reliably. Certified Professional Motorcycle Mechanic since 1983, Published Motorcycle Technical Writer, Motorcycle Repair, My buddy has a 2004 Suzuki Volusia--one of the carburetor models, not fuel-injected--, At the beginning of this riding season, he was experiencing an issue with sputtering (similar to when the engine was running too cold), so he cleaned the carburetor and replaced the main jet. Carb'd bikes don't need fuel in the line. Somewhere, some place, you have number that doesn’t match up to what manual says it should be. The symptoms of clogged fuel injectors include: However, it happens to newer fuel injected machines too. Vulcan 900 Vulcan 1700 New Member Introductions General Vulcan Talk 2006 Fuel Injected Harley Wont start. EFI Topics Fuel Injected dogs. This is the second time Fuel-Injected Motorcycle Bogging Down Fixed. It’s about better performance, Signs of a failing fuel pump in a Harley Davidson include reduced engine power, engine sputtering Bike starts but won’t take throttle without sputtering. I don't know every This is more plausible if you have a motorcycle with a carbureted engine than a fuel-injected one. The bike is fuel injected, fyi. Low fuel pressure: This could be due to a defective fuel pump or fuel pressure regulator. As we rode on it kept doing it. In other words when Im going say 35-40 mph. Engine timing sensor failed per dealer and replaced under factory warranty. I have an 2005 efi fl springer softail. Thanks. Total newbie here, trying to understand how everything works. Car Specialist. On low RPM, the engine is sputtering (sorry if I can't find a better word, I am not a native speaker) It feels like a cold engine but all the time, even after And don’t forget the 80 cubic inch, fuel injected V-twin engine that provides plenty of power, a great exhaust note and tons of reliability. By chatting and providing personal info, Spitting and sputtering stops, until fuel gets low again. engine sputtering at all speeds. Same response at 1/2 throttle, 3/4 throttle and WOT. When you’ve got a fuel-injected Harley that just won’t roar to Honda shadow starts drives, but it spits and sputters when I open the gas it spits an sputters and does not speed up, I changed the plugs and cleaned the bowls (nothing was in them) any solutions please e-mail me at [email protected] S4Rs stalling, sputtering, hesitating--Input, please. Hi all, just bought the above bike 3 days ago with 3900 miles on it - well, i'm within the first 150 miles and the thing started sputtering on the hwy yesterday, and today on the way to work it was lurching, sputtering, and backfiring. Reply reply snave72 When choosing between fuel-injected and carbureted engines, you should carefully weigh the factors to make an informed choice. I had a 2007 ybr 125 (fuel injected) I need help with this sputtering. Low end and top end were quite healthy, though. That certainly doesn't mean there isn't any at all, but it might be a good sign. I cant get my 2007 Suzuki Boulevard to run good. More Mc Garage. Cylinder valve pressure leakage. Knowing the signs can save you time and money, ensuring your ride stays smooth and efficient. Join this community to I HAVE A 2001 HARLEY FUEL INJECTED FATBOY. I’m sure my next bike will be fuel-injected, but I think an older carbed bike is great for a starter and if money is tight. Anyways the first test I would do following normal service checks for a 20 year old Harley would be a fuel pump The motorcycle expression “running lean” means that the chamber has more air than fuel. Both carburetor and fuel-injected Harleys develop idling issues just Also it “goes off” more quickly than a commode in a care home . bshyzz wjbg dmhhxf axn titalva crqkub crdxh hdvpu bnkka rjtyeut