Motorcycle sputtering and backfires. A faulty ignition system can also cause this issue.

Motorcycle sputtering and backfires In other cases, the motorcycle might sputter or hesitate during acceleration. He has changed the stator, crank shaft position sensor, changed battery, ground cable, spark plugs and wires, coil, etc. So, why does a motorcycle backfire? A motorcycle backfire occurs due to incomplete combustion of air-fuel mixture into the engine cylinder or leakage in the cylinder valves. Aug 29, 2009 · i have a 2007 vtx 1300 and it is having performance problems. Just sputters and dies. If it dies it will start right back up in neutral and then it will sputter a little bit while I “nurse” her back to my garage. May 13, 2024 · If your motorcycle is bogging down during acceleration, it could be due to a clogged fuel filter or a dirty air filter. This usually happens because the spark plugs are not firing correctly. As of right now im 1/2 way through the tank of "winter gas". i have since changed fuel filter,gas ,and checked for spark?no good yet . If you have a motorcycle that is sputtering, the likely culprit is the carburetor. Sep 28, 2013 · I just picked up a 81 KZ 250 CSR that ran, was drivable but would cough and sputter and backfire. I let it run in idle for a few minutes to try and get the sea foam moving and tried giving it gas in gear again and backfired like crazy. Jump to Latest Aug 17, 2006 · Sputter and backfire. My 2001 shadow sabre was running fine one day then the next day it started backfiring and sputtering at low rpms and at Wayne-Mc 31 Years experience with Harley-Davidson motorcycles, licensed Motorcycle Mechanic, Shop Owner Jul 11, 2023 · Before we delve into the troubleshooting process, let’s understand the common symptoms of sputtering issues in a Harley Davidson motorcycle. Jun 20, 2023 · Motorcycle sputters/sputtering simply means that the motorcycle is losing its power in a frequent erratic manner during idling or accelerating. Joined Jul 23, 2006 · 53 Posts. i have a concern i check my sparkplug and there is no sign of fuel or oil bone dry? Feb 28, 2014 · Bought a 75 early this year with Amal Premiers. May 29, 2007 · Well when I went to fire her up this weekend It was a little tough. Since you've modified it, now you do. Jun 21, 2009 · Back in April, I bought a 2002 Vulcan 800 with 3200 miles on it. When warmed up runs great. Noticeable with stock pipes, annoying with aftermarket pipes. My first stop would be disconnecting the speed sensor (if Vic's have one) and take it for a ride. wgcarbs. Mar 23, 2017 · Sputtering and backfires after like 1/4 throttle, Through the carbs, it's been going on for awhile, 2006 kawasaki - Answered by a verified Motorcycle Mechanic Dec 11, 2023 · A Harley Davidson motorcycle cutting out and backfiring can be caused by a variety of issues. Rode to work the next day (8 miles each way) with no problem. I believe we had some crud in the valve seat and stem areas too. Bike still idles fine. Has no power. When I rev it up the sputtering starts. Okay, forgive me if you already know most of this, but here goes: 1) All the Vulcan v-twins are prone to decel popping. Started backfiring like crazy, loud and most often in third but also in second. 8. was running great up to recently (only up to 1,5000mi). And It occurs at certain RPM's and not throttle position. Mar 20, 2012 · Issue: Motor backfires and loses power under load when accelerating about 2000 rpm. I sprayed some Seafoam up into the intake, and the engine struggled as expected. Like a reverse backfire almost. i changed plugs and wires. It wont climb the ramps into a truck. Oct 19, 2023 · A backfire is a term used to describe the loud gunshot sound from your motorcycle’s exhaust. Check these components and replace or clean them as necessary. it does this for 5-10 min then it 3,905 Satisfied Customers Have time for a Polaris question? Sep 4, 2015 · I warmed it up and took the air filter off. Let's dive into the issue and root out the causes of motorcycle sputtering and how to solve the issue. 1974 Suzuki GT750 Lemans (Water Buffalo) Oct 19, 2023 · All gasoline engine vehicles need spark, air, and fuel to operate. These symptoms can vary but may include: Hesitation or lag during acceleration; Backfiring or popping sounds from the exhaust; Loss of power or engine stalling; Uneven or rough idling; Reduced fuel May 7, 2014 · A few months ago it ran perfectly; the problem has been getting worse over time. May 21, 2015 · Thought I may have been out of gas, but when I switched to my aux tank, the same thing. that probably accounts for your low speed sputter as well. And, it will idle just fine. that's not backfiring, that's just popping. Feb 21, 2010 · If gets to speed it sputters and/or backfires Sometimes will seem to run better for ten feet & then sputters or backfire thru exhaust annoying neighborhood dogs Sounds like it is not getting gas No real power Barely moves in 4x w/o dying During idling distinct lag/hesitation before revving Mar 19, 2007 · I have a 1995 Bayou KLF300B, it will start with no problem but seams to be running very ritch. This is common. what it keeps doing is, first, it starts hard and you have to leave the choke on for 15 minutes (my dads t-dub will start and idle with no choke within 30 seconds) then once it idles, it backfires through the carburetor sometimes causing it to Sep 6, 2014 · Took the bike for a quick test ride, and it seemed ok. Hey guys, I could use some help Total Motorcycle Community Forums. Just emptied gas tank, fresh gas and seafoam in now. It's only the right side; the left runs perfectly always. Noise? 2011 harley Davidson FLHTCU. Because of incomplete combustion, some unburnt hydrocarbons are left in the exhaust gases and explode when they come in contact with air, creating a loud gunshot noise in the exhaust pipe. This in effect richens the mixture. Oct 4, 2011 · 2012 610 XC would stall after running wide open throttle I just finished up working on a 2012 610 XC with 160 hours that would stall after running wide open throttle. It can cause a sudden loss of power, and sometimes a complete shut off, which can potentially lead to an accident. Apr 18, 2023 · Exhaust pops during decel and big-bang backfires. This morning is started up as usual on the second kick and I took off only to learn that 3200 rpm was my new limit - then it just sputters and backfires instead of accelerating. A faulty carburetor may cause gas or vacuum leaks, other possible reasons for your motorcycle to sputter. Mar 20, 2010 · The fix for S40s (Savage LS650) backfiring is usually to remove the carb needle spacer and replace it with one about half the thickness. Other culprits could include corroded or cracked spark plugs or spark plug wires, a faulty ignition coil, a clogged air filter, or engine timing issues. Had to ride with choke out for a few minutes or else when I slow for a stop and then give some throttle it will sputter and sometimes backfire. Nov 23, 2009 · Anyone that can help would be great. Mar 3, 2010 · Sputter, lurching, and backfiring Jump to Latest 24K views 69 replies 27 participants last post by DaytonaVTX Mar 1, 2011 Aug 21, 2014 · Got a boost from a buddy and it fired right up. Motorcycle Losing Power Frequently. Changed coil and plug wire. The good news is that most motorcycles on the market today come with Engine Control Units (ECU) that use smart air, fuel, and burnt fuel sensors all over the engine. Has only 215 miles. I can even ride it and until you hit about half throttle it seems fine. Jun 25, 2024 · Backfiring isn't the only issue from faulty spark plugs. Only probs I encountered were a touch of backfire through the carb. May 28, 2020 · it was great for about twenty miles and the problems started. This is caused due to a malfunctioning ignition system (i. At first I thought it was because I ran it to empty. Sep 22, 2009 · backfire though pipes = carb, Rich condition to much gas valves possible backfire through carb = ignition. See if your symptoms go away. Idles poorly - Fluctuations in idle RPM, stalling. Right from the beginning, the bike had a little sputter/hiccup that usually occurred at low rpms - think cruising mode. Conclusion. 1996 FXDS-CONV S&S E. May 9, 2015 · Popping, Sputtering, Backfiring, Stalling Jump to Latest 10K views 11 replies 6 participants last post by Whiskey Jul 21, 2024 Total Motorcycle Community Forums. Engine runs hot - Due to more oxygen than fuel combustion temperatures are hotter reflecting on a temp gauge. Normally backfiring/sputtering is a timing issue. Sep 11, 2008 · 1978 KZ650 carb popping and backfire 11 Sep 2008 11:50 - 11 Sep 2008 11:52 wiredgeorge Motorcycle Carburetors Mico TX www. or speed. Reasons Why Your Motorcycle Sputters at High RPM Jul 16, 2021 · I'm Austin, a motorcycle enthusiast, a lifelong rider, and I occasionally make YouTube videos. This is my first "real" bike (I had a little Yamaha when I was a kid), so my motorcycle experience is pretty thin. Screaming Eagle ignition,V&H Short shots. 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. The bike Mechanic is vetted for questions Sep 15, 2012 · This is a lean condition if it is popping and backfiring through the exhaust. Jul 29, 2012 · 2010 FLTRX Wimmer Better Sucker,FM 107 kit with Wood's 777 cams,V&H propipe, nitrous. it means your air/fuel mixture is over rich. was backfiring a bit too. carburetor, fuel injectors, fuel lines/pump). First thing I notice is that there is a small amount of fluid behind the air filter. Hey guys, I could use some help Jul 10, 2012 · Sent from my PG86100 using Motorcycle. spark plugs/wires, ignition coil, ignition switch) or the fuel system (i. Save Share (No backfire but will sputter and try to stay running->Cruising on the highway @4000-5500 rpms. This has continued through 100 miles of riding. If you're interested in learning more about motorcycles, check out this collection of kids Backfires - Popping on deceleration for a lean idle circuit or backfires in general. Well once I got her goin there was alot of hesitation from a dead stop or when I shifted (lower rpms). It never backfires through the exhaust, just a PUFFT through the carb. Z. I did ride it about 30 miles with the gas light on, so I know I was real close. Idles OK. It backfires and pops when I try to rev it up, and it will only idle with the idle screw all the way in and the choke on. The combustion chamber and the exhaust pipes and wiring are all part of a Harley Davidson exhaust system. started it and even rode during the mild winter. Can fuel injection problems lead to my motorcycle sputtering at low RPMs? Amazon Affiliate Link To Gumout 800002230 Carb and Choke Cleaner, 16 oz:https://amzn. Jan 31, 2024 · Exhaust backfiring/misfire is a common issue many motorcyclists and car owners face. Fuel is Jul 19, 2013 · Well, a couple thoughts. Jul 7, 2023 · 4. It only happens at idle or just off it; the bike pulls STRONG at anything more than 1/4 throttle and never backfires at speed. Backfires happen on most bikes every once in a while, but if your motorcycle is backfiring on a regular basis, it indicates a problem somewhere in your air, fuel, or exhaust systems. Zero-G · Banned. Jul 14, 2009 · So my 2002 Triumph Bonneville is sputtering, backfiring, and the engine temperature seems to get quite hot. As soon as the exhaust valve opens and the air/fuel mixture hits the hot exhaust header, the fuel ignites and makes the loud bang sound. experience, MMI, HD technician, HD early, engine rebuild/performance, bike builder, kit bike program manager, CCI 2001-2004 1999 honda cbr fireblade,started to bog,backfire, and sputter,pulled and cleaned plugs,process of draining tank now acts 3,905 Satisfied Customers I have a 1994 Jaguar XJ6. Stopped for gas, rode about a mile, made a right and it started sputtering just like before the TPS replacement. Sputtering and backfires after like 1/4 throttle, GPS, Home Theater-Stereo, Laptop, Motorcycle, Phone Systems, Printers, Recorders and Players, TV, Sep 23, 2017 · THE PROBLEM: Day 1 of problem: Bike came off the freeway running fine, got to the city and started to surge, but not revving any higher. Mar 19, 2009 · I get on her and start going through the gears (revving the RPM’s) and once it gets in 4th or 5th gear…it will start sputtering and cutting out (sometimes it will completely die). C. I am wondering if the increased air flow is causing the coughing and backfiring, etc. Hey guys, I could use some help Customer: 2008 vulcan - drops power over 50% throttle, sputters and backfires. Aug 28, 2007 · 2000 Bayou 220 spits, sputters and backfires on deceleration Jump to Latest 4. Nov 27, 2017 · Sometimes when I ride I hear a coughing backfiring noise but it’s not coming from the exhaust it’s more in the carburetor. On electronically controlled engines, it's most indicative of a faulty sensor. Spark Plugs Not Firing Correctly. Does this sound like bad gas or perhaps something clogging one of the carbs? Oct 31, 2023 · Harley Sputters On Acceleration. I let it idle for 5mins or so then I took off. 2004 Dyna Lowrider Harley Heavy Breather,Stage 1,Screaming Eagle mufflers. The following is a breakdown of work and tests carried out to analyze a bad miss/backfire that is present for the rear cylinder on your motorcycle when throttle/load is applied. Did notice the front of the engine was oily and dirty, but until this happened I had no troubles with it. It really struggles when you feather the throttle the slightest bit. Cabs were cleaned, synched, boots seem to be in good shape (sprayed starter fluid oround and nothing happened. It is only when I am slowing down and downshifting. Lean bogging and rich bogging, which may be distinguished by the sound the bike makes when you throttle, are the two prevalent varieties of bogging. After it warms up it will cut out, backfire, and just die a lot while riding down the road. whille it idles. Now I don't think it was doing this when I first got it, but it seem to be sputtering and backfiring a bit. Tonight, I decide to ride to the gas station and fill it up. I is sputtering pulling up hill. Sep 15, 2022 · What Causes a Motorcycle to Backfire? 1. The bike smokes very badly and when I pull the plug it is wet and black. Brief Diagnostic Process Oct 19, 2023 · A motorcycle backfire is a loud, startling popping sound that comes from your exhaust pipe when unburned fuel ignites in the hot pipe or intake manifold. MotorcycleForums. Nov 24, 2023 · I have 2014 Bonneville T100 efi, my problem is backfiring from intake manifold and left exhaust gives cold air but right side hot. It starts to rev,hits a certain RPM and stops. Luckily, I wasn't too far from home, and was able to milk her back to the garage. 8K views 3 replies 2 participants last post by 2WheelFun Sep 1, 2007 Hey guys, I could use some help I have 2006 Vulcan 5000 with just over 3000 miles on it I bought it used in August and the only issues Ive had with it have been the battery (my fault) and running out of gas (my fault again, hush) Mar 28, 2010 · It ran fine before,then one day while I was riding it just decelerated and started backfiring and sputtering,I was able to get it home by keeping it low RPM's. The heat from the pipes then ignites the vapor and boom, backfire. A forum community dedicated to Kawasaki Vulcan 750 motorcycle owners and Customer: 500 Vinson had it out ran fine whole time. Vulcan 500 sputtering and backfiring #1 Unread post by jbprince » Sun Dec 09, 2007 5:08 pm. Apr 5, 2011 · '99 Prairie 300white smoke, sputters, intermittent throttle, backfiring Jump to Latest 4. com Free App . 1969 Sportster 900 - backfires. 23 Updated: 19. I'd certainly check all of the other wiring points first. Also the exhaust seems to be super hot more so than normal. Oct 19, 2023 · Backfires happen on most bikes every once in a while, but if your motorcycle is backfiring on a regular basis, it indicates a problem somewhere in your air, fuel, or exhaust systems. I was able to ride 10 miles to home, but sputtering and popping all the way. Then it starts to sputter, backfire, and die when you get on the throttle. it sputters and backfires at idle and it knocks after riding at highway speed and then coming down to idle. Dec 7, 2006 · I have a very similar problem with my 86 bayou 300. Customer: Sputters from 1/2 to full throttle. Hey guys, I could use some help Hey guys, I could use some help I have 2006 Vulcan 5000 with just over 3000 miles on it I bought it used in August and the only issues Ive had with it have been the battery (my fault) and running out of gas (my fault again, hush) Jun 25, 2023 · I cant get my 2007 Suzuki Boulevard to run good. On cars, some of the systems are adjusting timing based on speed. Download 53 royalty free Backfires sounds for use on your next video or audio project available from Videvo. at first it seemed like at first it was only backfiring and dying at low speed/rpm. Bike was running well. Well almost instantaneous, within the next few miles, I get hesitation, mild sputtering and poppy sounding backfires when decelerating. It will start and run great for about 5-10 minutes or until it gets nice and hot. Bike didn't backfire too much before, just occasionally but to be expected with PAIR Valve and Aftermarket Exhaust. For a motorcycle to have a steady power output it needs to have an ideal full combustion cycle (intake, compression, power, & exhaust stroke) with a proper air/fuel ratio supplied to the combustion chamber and a good spark condition. ). Electronic timing has simplified how to troubleshoot a backfiring problem because there are less parts to check off as the culprit. I have an 2005 efi fl springer softail. Runs on choke - The vehicle may run on choke when it's warm but stalls if the choke is turned off. What should I check/do next? Aug 5, 2012 · 1979 KE100 I have the same darn problem. Jun 8, 2016 · This morning again started with sputtering and a couple of back fires. to/2JASxEr Jul 12, 2010 · Your backfire on decell is either from an exhaust leak or being lean on the fuel screw. With the bike stationary I increased the idle speed and you can hear a slight miss and the odd cough. A backfire on a motorcycle is the result of fuel that didn’t ignite in the combustion chamber flowing into the exhaust. May 10, 2013 · So my KZ 1100 1981 is backfiring from the exhaust + carbs and sputters when cold. my Ltr had sputtering and backfiring issues at a higher rpm but did continue to run for wks but not at 100% eventually it stalled out and would not start back up . Sputtering. Aug 30, 2009 · Recently purchased a 2000 Legend TT from a local motorcycle dealer with it not running, but they did bump start it and I rode it home. Also on the decel om getting backfiring and sputtering. is it carbs Motorcycle ignition problem (1997 Yamaha Customer: coughing sputtering and slight backfire i put seafoam ion gas in the tank and it made it worse now i lost all power baerely runs and wont move Mechanic's Assistant: Is the power loss consistent, or does it fluctuate? Jul 14, 2023 · Published: 14. Idles fine. com Too many bikes to list! Apr 26, 2009 · Backfiring happens all the time, in cars and bikes, you just don't hear it because the muffler/exhaust. It all started when the bike was run on basically a completely empty tank. Aftermarket Sep 9, 2009 · Riding on the weekend and the belt light came on, no problem just the 100 hour service indicator. 7. What it is, is incomplete combustion, fuel is left over, and shot into the exhaust pipes. This article explores the most common issues causing a motorcycle to backfire. I then had It rebuilt and it's starting fine. The most common reasons are carburetor issues such as a vacuum leak, fuel leak, or tuning issues. Total Motorcycle Community Forums. It just sputters and backfires slightly. But what happens when your bike bogs down, hesitates, sputters, or loses power when you accelerate? It’s a frustrating experience for a motorcycle rider. The former is normal and harmless (and either sounds awesome or annoying, depending on your personal preferences), while the latter probably means there’s something wrong with your motorcycle. no previous problems. it starts and idles fine, but when put into gear sputters and backfires, and virtually un-ridable - was not a fun time when it 1996 yamaha virago 535 sputtering and backfiring. Mar 9, 2023 · The excess fuel can flow into your exhaust system, causing backfiring, sputtering, and a Harley-Davidson that shuts off while riding. Mar 26, 2010 · I've been looking it up on google and a lot of people have had the same issues, i. the lower rpm range was very jerky and at higher rpm it seems a little better. Get a small piece of copper wire that will fit through the jet and make sure you don't have blockage. After we got going on the highway, it got better and only sporadically gave me problems. Runs fine at idle but when you give it gas it sputters and backfires through the carb, and makes a ton of blue smoke (burning oil??) and stalls. the bike does have a pc3 on it and im not sure if its only a slip on or if its Apr 15, 2005 · i have a 1994 Yamaha TW200 and i have had the carb off of it 6 times, checked the valve clearance, the air filter, changed the gas, and still no avail. Mar 5, 2013 · just bought 2008 Vulcan 500 Ltd, i'm new to riding and it seemed like a great starter bike with only 600mi. Happens in all gears at that givin RPM range. Took carb off and cleaned it . Can hear the hum of the fuel pump while riding Mechanic's Assistant: Where exactly do you think the noise is coming from? Apr 3, 2008 · I ran my '72 CL100 for the first time a couple weeks back and what a blast. Set @ . you'll know a backfire when you here it, because your bike will sputter and idle roughly, then you will hear a very loud BANG! that sounds like a gun shot. it won't be in sync with your engine running. On road or stationary. A misfiring motorcycle faces issues such as uneven air/fuel supply and inefficient ignition of the fuel. Bike has stock map, airbox removed , stock silencer,sai remo —@Idle 1000 rpm working very good and when ı start driving until @2000 rpm popping from intake Jul 26, 2008 · Today I took my buddies 2000 883's carb apart - I had already went to a 45 pilot - I made him spend the money on the dyno jet thunder slide kit-the full one with slide, $129. And finally, an air leak anywhere in your Harley’s intake system allows the air to escape before it reaches your combustion chamber and lets the airflow reach areas where it doesn’t belong, causing running Nov 15, 2011 · Now, It will start in 1 or 2 kicks everytime, even cold, and even after sitting for a while. 004". Jul 24, 2016 · Once i get on the road however i have a really bad stuttering issue that begins at 4000 rpm and wont let up till about 6000 rpm. Jun 6, 2018 · 🔧 Motorcycle Repair 🔧. Sep 1, 2020 · What is Backfiring on a Motorcycle? In easy terms, this is when you have aloud blast or combustion which is produced when your running an internal combustion I suspect you you do not have a backfire on deceleration. Unfortunately, many riders face this problem on pre-owned motorcycles. I filled it with SUPER, which is what I always put in. otherwise, it rides great at highway speed and seems to have good power running up through the gears. Jun 22, 2013 · I finally got my 97 Vulcan 1500 classic on the road drove it for the first time and it has been at random moments spitting and sputtering took it home went to leave same issues when I took it for a drive this morning and same thing I pulled the choke closed a little and drove the bike and it ran great got home parked it for a few hours and then went to go to the store and its falling all over Mar 22, 2021 · Hupy and Abraham, S. sputtering, dying. 111 E Kilbourn Ave #1100 Milwaukee, WI 53202 Phone: 414-223-4800 Toll Free: 1-800-800-5678 Fax: 414-271-3374 Office Hours: Available 24/7/365 Office Info Get Directions May 7, 2024 · There’s nothing quite as exhilarating as twisting the throttle bar on your motorcycle and feeling the wind rush past you. Based upon the data you've given thus far I would remove the float bowl and blast out all of the jets, in particular your pilot jet. I can put it 1/4 throttle,1/2 throttle,full throttle and it does the dame thing. The most common cause of a motorcycle backfire is unburned fuel igniting in the exhaust system. then she kept acting like she had no gas. I have a polaris 400 2 stroke, it spits sputters and backfires. May 14, 2007 · The engine sputters at low rpm, and backfires pretty bad (especially when cold). 24 Have you ever cruised down the road on your motorcycle and heard a sudden pop sound, almost like a gunshot? Well, that's your motorcycle backfiring. After idling a while it cleaned up and accelerated proper from idle into midrange. I recently installed a screaming eagle super sucker air intake (bent elbow type, with exposed element). During this band the bike is backfiring and the exhaust note COMPLETELY changes tone, sounds like im hitting a wall (rev limiter). also backfires when revving the motor while stationary. [/quote] Could also be not enough fuel causing a lean pop, ignition timing not set correctly, faulty sparkplug, lack of valve clearances or blocked jets in the carbs. I have done all I know to do including carburetor cleaning and repair kit, fuel tank cleaning, new fuel line with small filter, points, spark plug lead end, ohm check exciter coil, primary coil, set timing as best I could all work performed using a factory manual. If there's an unstable ignition, it can also lead to bad fuel efficiency and a reduced lifespan for the engine overall. I took off the seat and opened up the air filter cap and took out the air filter and turned the bike back on to see and one side of the carb on the carb bank is coughing. It was sputtering and some backfiring. Oct 14, 2021 · I have a 2001 Harley 1200 sportster custom. 1999 honda cbr fireblade,started to bog,backfire, and sputter,pulled and cleaned plugs,process of draining tank now acts 3,905 Satisfied Customers 2000 Heritage Softail, big bore kit. Runs like a dream The only thing is that when I am downshifting, the bike pops or backfires. The bike was also backfiring really bad. Detonation is more serious and occurs in the cylinders. May 25, 2023 · Why Does My Motorcycle Sputter When I Accelerate? A motorcycle sputtering when accelerating is a common issue that many riders face. Took it for a ride and it would bogg at low rpms and takeoffs but would sporadically even out when in higher rpms. My channel serves as a platform to share my experiences, reviews, and insights into the motorcycle world, and I strive to captivate and inspire fellow riders by showcasing the excitement and beauty of life on two wheels. Starts and idles fine, rev it up and it sputters and back fires. I took off the intake valve cover and the intake valve didn't seem to be seating right. as soon as i got it up to good speed or high Oct 28, 2015 · I warmed it up and took the air filter off. Sputtering and backfire I have an 07 nightster with s&s stealth intake, low brow customs 2 into 1 exhaust, and an fp3. I stopped for gas and filled it up. i have a concern i check my sparkplug and there is no sign of fuel or oil bone dry? Hey guys, I could use some help I have 2006 Vulcan 5000 with just over 3000 miles on it I bought it used in August and the only issues Ive had with it have been the battery (my fault) and running out of gas (my fault again, hush) Customer: i have a 2001 yamaha silverado motorcycle and when i drive it over ten miles it starts sputtering, backfiring and finally cuts off. The next day I took it our for a little trail ride and within a minute the bike started bogging down bad as soon as I got anywhere close to about 1/4 throttle. Customer: I have a 2013 Polaris Ranger 500 EFI. 2002 dyna low rider fuel injected sputters badly at lower speeds Steve 30+ yrs. A faulty ignition system can also cause this issue. If you still have the backfire after that, its most likely an exhaust leak causing it. Oct 4, 2024 · Motorcycle backfires are not that rare; even higher-quality models encounter them after frequent usage. I put it back on and got it running again and ran ok at first then started acting similar sputtering and backfires when you I got on the throttle. Fuel is Oct 19, 2023 · When it comes to backfiring on deceleration, the bike typically backfires through the exhaust pipes. last week while warming the bike up it started sputtering like a miss fire and small backfires. When I first get on it and ride, there is no problem, runs fine for 2 or 3 minutes. 1978 Strokershovel Lowrider 100 inches. Once warm the bike rides greatusually within 5 to 10 minutes depending on how cold it is outside. Sep 19, 2022 · Reasons Your Motorcycle is Backfiring. since my gas gauge doesnt work i fill up as soon as she starts to sputter a bit. then I read a post on another website that mentioned adding a 2mm washer under the needle valve to richen up the fuel mixture. With it set this way it just barely stays running. Some white smoke off of the exhaust, and sputtering at high RPM's. net is the leading motorcycle forum for news, specs, reviews and discussions, including road and sport, classic and May 8, 2008 · Sputtering, missing, backfiring, have almost no power. Jan 23, 2004 · backfiring and sputtering. Nov 28, 2022 · A motorcycle that bogs simply means the engine sputters or stalls at full power due to a lack of gasoline. Apr 10, 2013 · The other day, I was riding up a fairly steep hill. Carb is clean, plug is good as I changed it, air filter is clean. I found out is was a problem was with the starter. Lean condition, leak, plugged jet, jetted incorrectly and quite possibly ignition. Feb 28, 2014 · Bought a 75 early this year with Amal Premiers. Waited ten minutes. A minute down the road and it started sputtering and backfiring (It never backfires while accelerating) then it died mid drive and I had to walk it back to my driveway. Customer: Sputtering and backfiring when given throttle Mechanic's Assistant: Does the vehicle misfire while idling or driving? Customer: Only When given gas, it idles pretty clean Mechanic's Assistant: What's the year and model of your bike? Customer: 2015 can am renegade 1000 Mechanic's Assistant: OK. As mentioned, richening the carb at the idle screw additionally will help. About 10 miles later the engine started to loose power when under load, climing hills, backfiring and bogging. Jan 23, 2012 · I figured it was clogged jets so took the carb apart and cleaned everything, didnt rebuild just cleaned all the jets and bowl. Went to pull off my trailer and runs like crap. Aug 6, 2007 · Yesterday as I was coming back from a long ride and the bike started sputtering with an occasional backfire. Jump to Latest Follow 1 - 3 of 3 Posts. Still sputtering and back firing at higher rpm Kawasaki Prairie 360 Mechanic's Assistant: That sounds frustrating. At idle everything's fine. it does this for 5-10 min then it 3,905 Satisfied Customers i have a code 21 on my polaris ranger 2010 800 it will start Dec 28, 2013 · Ok in idle but anytime you give it gas, in gear, it sputters and backfires out of the exhaust and carb then dies. so she started sputtering and i filled her up. Aug 8, 2015 · My other half has an 08 HD DYNA Low Rider and we cannot figure out what is wrong with it. shanged the plug and it helped for about 300 feet. -put it in and because I couldn't get a set of autolite platinums or any platinums yet alone iridiums without ordering them, I made him buy a set of the SE triple platinums Customer: 2010 polaris sportsman 500 sputters and won't rev up more than about 3500 revs. just bout it 1 month ago. This can be particularly problematic when trying to overtake or when climbing a steep incline. turning over and backfiring and the problems seemed to be a flooded engine. Discussion Starter Nov 1, 2011 · I'm guessing that what you call backfiring and detonation is decel popping and backfiring, in that order. Not much sputtering on the flat and none down hill. The primary culprit behind this sputtering when accelerating is usually a fuel system issue, but can also be related to the air filter, ignition system, or occasionally bad gas in your motorcycle. My issue is when accelerating from a stop, it sputters, bucks, and back fires. 3K views 2 replies 2 participants last post by Shoester Apr 5, 2011 Apr 11, 2011 · Over the weekend I went on a nice day trip and the bike never skipped a beat ran great all day even when hot and everything. Jul 9, 2009 · So I ran the bike down to reserve and filled it up with regular unleaded as I usually do. Air filter removed, cover off. e. I tried all the usual stuff, new spark plug, new fuel filter and lines, no change. i have cleaned the carb and replaced the throttle sensor can you help Aug 10, 2009 · 83 honda 750. pulled the fuel pump to clean the filter, put it back together and has no power going to fuel pump? won't start. Mar 17, 2008 · 9000miles on bike. To learn more about reasons why your motorcycle is backfiring, see my other article here. Enjoy. … read more Customer: 1999 honda cbr fireblade,started to bog,backfire,spit and sputter,pulled and cleaned plugs,process of draining tank now acts like it is not getting any gas and backfires real bad when trying to start. However, after about 50-60 miles, it started sputtering again and losing power and I would have to downshift just to get the rpms up above 3k. Quite the head-turner, isn't it? However, it's not as cool as it sounds - it's a sign of potential issues in your ride. There are several reasons why a motorcycle sputters. So let’s take a deeper look at the issues causing this sputtering so we can troubleshoot your issue and get you rolling on the road in no time! 1. Did this a couple times, letting the bike return to idle after sputtering, and then let it stall out. But when I start giving it gas it starts sputtering real bad, and shoots gas and air back out of the carb. Dec 9, 2022 · The primary culprit is the carburetor - it can either be improperly tuned or dirty. If one of those three things is absent or delivered at the improper ratio, your motorcycle will sputter when accelerating. Jan 31, 2024 · A motorcycle backfire occurs due to incomplete combustion of air-fuel mixture into the engine cylinder or leakage in the cylinder valves. Free Backfires sound effects. For many riders, this is a fun addition, and hearing that pop adds some personality to the motorcycle. I have changed gas. I suspect there is a problem in carburator (maybe float stuck). The bike ran great all last season. Sputters, backfire thru intake and throttle kills it, just started tbis morning. Generally, the performance is poor in all gears (pickup is poor). Took it out for a ride with the GF. There is black stuff in the air filter area and also excess gas. Hot-wiring as suggested below bypasses most of the possible trouble points, so is a very useful diagnostic method. We rode about 30 or so miles. The heat in the closed space of the exhaust combusts the untouched fuel inside the pipe, causing a loud pop. In the event of a backfire when accelerating, the Harley backfires through the motorcycle’s combustion chamber. . Yet, it seems most people are still at an utter loss about what causes backfire on a motorcycle and how to troubleshoot it – which prompts us to craft this insightful, beginner-friendly guide. Apr 14, 2016 · Boyer Bransden ignitions have a tendency to break wires close to the stator if they aren't well supported. Mar 14, 2021 · Valve lash was zero, intake valve was not closing. It did it for a minute or two. i was wondering about wire placement on plugs, it a two plug two cylendar, does it matter which Nov 11, 2018 · The bike now has only 18k miles on it, but its starting to sputter, backfire, both through the carb AND occasionally through the exhaust. 7k miles. pulled out of a lot to head home and the bike started to sputter at lower rpm and was sounding odd. In addition to knowing motorcycle parts that most commonly need to be replaced, you may have to do further maintenance to resolve backfiring. I would open your fuel screw to 3 turns out, and leave it there unless you change the pilot jet later on. it is likely the "decel pop" which is nothing more than superheated, unburned fuel traveling down the exhaust pipe until it meets oxygen, where it ignites. When riding your motorcycle, you may have heard a pop or backfire from the exhaust when you accelerated, let off the throttle, or let the engine brake slow the bike down. When I got to the top and hit level ground the bike started sputtering and backfiring, acting like it was going to shut off. Bike has been running flawlessly. Common causes include problems with the fuel system (like clogged fuel injectors or a dirty fuel filter), ignition system issues (such as faulty spark plugs or ignition coil), and incorrect engine timing. The way electronic timing works is by sending a voltage signal to your ignition coil when one of the cylinders is in its compression stroke and about ready to fire. If I downshift on the highway, nothing, but if I am coming up on a stoplight and I down shift, when I let off the throttle, it pops and backfires (not loud, but annoying. pxz gpmmd mwuorlc ijerhm yvtx hozht esnn vwjeb gsdg daztu