Motorcycle bogs down and backfires Unit starts and idles properly then bogs and sputters and backfires at mid to high throttle opening. Louie. Arctic Cat ATV Forum; 1999 Artic Cat 500 ATV bogs down and backfires. If I shut it off and start it (still cold) the throttle is responsive and the bike has full power. Now I have dropped down to the coast and this problem has been persistent since, but bogs and hesitates under acceleration and at highway speed UNTIL i open the choke lever a bit while running. Bike-Doc. This detonation is what causes exhaust backfiring in the motorcycle. I have read through a few post on this topic but have seen a definite answer yet. I have replaced the spark plug, fuel pump, carb. This issue is caused by: Incorrect timing; Too much fuel; Loose exhaust pipe; Too short of exhaust; Too little fuel; Intermittent spark; I have From air filter clogging up to fuel delivery issues, multiple reasons may cause a motorcycle to bog down at full throttle. when i. Good vacuum and did not hang up. Also, when I try to brake torque (burn out) it rev up to 1500rpm then losses power and bog down. Bike cuts out when giving it throttle and backfires at times. I tried playing with the mixture screws on the carb, but it makes no difference literally. Home. Two stroke engine bogs and backfires when trying to rev up. 0 Reply. it will get up to freeway speed eventually. I have a issue with my boat engine right now, Bogging down off idle, and backfires when I try to give it gas. However as soon as I installed the airbox, the quad would start, idol and even accelerate fast until it hits about 3/4 throttle. Did not help so put it back on. No power acts like it wants to die out and backfires. xflyer53. which was really clean. Same problem. It idles fine but as soon as you hit the throttle it bogs and backfires. Engine no power when fuel peddle depressed. MPD193. Bogs down/backfires from carb on full pedal Thread starter HawkGunner; Start date Jun 12, 2018; This I have heard that some of those weber carbs need fuel pressure regulated down to around 3 psi, and that a fuel pressure regulator will do just that. 715K posts 60K members Since 2000 MotorcycleForums. Customer: have a 93 250 polaris trailblazer, starts right up runs great for a minute than bogs down backfires and dies, will start back up after a few minutes. Customer: Second opinion] My 2021 570 outlander will bog and backfire between an idle and 20 mph. Have a 1996 Yamaha G16A good gas, but it bogs down and backfires on. 2 Back firing and popping This is a super easy fix. Kawasaki Motorcycle Forums. Car Specialist. Slide seemed to work fine. have to keep choke on to run. I have a 2001 Honda Shadow VT750DC that is acting like its having carb issues. IT BOGS DOWN AND BACKFIRES AT SPEED AND THE REVERSE lite fickers EVEN. Jeff 98 Wrangler with the 4. out I have a 2010 Arctic Car 400 4-stroke carburetor runs like a dream until you hit full throttle then completely bogs down and backfires a lot. Never been used before, still has the tag on it. experience as motorcycle, dirt bike, ATV, UTV and watercraft technician. I already did the timing and checked valve clearance. Original carb. 3,905 Satisfied Customers. I figured maybe changing the spark plugs wouldnt Starts and idles good but then backfires and sputters when given throttle. Max Spectre. Bob . This article explores the most common issues causing a motorcycle to backfire. I am a novice when it comes to motorcycles, but def want to learn as much as possible. It bogs down, sputters, and backfires at about half throttle. It wont rev up at all. Jeremy R. I have had it in the shop twice and they can't seem to find the problem. I have a ex 400 it poping and backfiringwhat do i do to fix problem. By chatting and providing personal info, you understand and agree to Motorcycle. as it sits it is hard to push air thru it. I mean slowly. HONDA SUZUKI YAMAHA KAWAZAKI HARLEY DAVIDSON BOMBARDIE CERTFIED. Then it will backfire and drive normal, it backfires throught he exhaust. ken. Petcock vacuum hose was detached now bike won't start. Gehl 4510. Hi, I have a 2003 kawasaki prairie 360 4x4 that I cant seem to get rid if a bogging/backfiring problem. Your motorcycle engine oil should be changed between 2,000 and 10,000 miles (depending upon the type of oil). Related Question. Motorcycle bogging down at full throttle is, unfortunately, a prevalent concern. so im hoping the fuel injector cleaner is all it needed, i think ill make that a ritual for a while, along with gas treatment. Carburetors Or Fuel Injection. Top end if you can get there is about 20 mphMechanic's Assistant: I'll do all I can to help. , gas Q&A: TROUBLESHOOTING 2007 YAMAHA GRIZZLY 700 & 660 - BOGS down & BACKFIRES. Do not let it idle and clean up the plug, but get right when the problem occurs. Before we delve right into it, you may want to check why motorcycle backfires. I used carbjetkits. can Motorcycle Jetting & Fuel Injection ; Kx450f 2013 bogging and backfiring Theme . Posted by Daniel perrine on Oct 06, 2014. Not exactly sure but I think it was all the usual recommended things done to make them run better, I know it I have a 2005 prairie 360 and all of a sudden it started missing and backfireing. I just bought a 2002 Mountain Cat 600 EFI and immediately problems. Thanks so much for that insight Leed1315 !! I had the carb opened up again too and we adjusted the float again. Backfires - Popping on deceleration for a lean idle circuit or backfires in general. 2001 WR250F WILL NOT IDLE AND BACKFIRES ON DECEL. Bad at a start from a stop sign. Engine overheating leads to pre-ignition, affecting the bike’s performance, and your motorcycle backfires. 28. If I choke it the engine will rev up ok but still backfires. Started up but it still has the same bog as before, anything past half throttle bogs and eventually dies. carb problems? when i try to accelerate the motorcycle boggs out a lot and sometimes stalls. Like i said I just got it and don't know a lot about it so if someone could help me out I would appreciate it. Runs on choke - The vehicle may run on choke when it's warm but stalls if the choke is turned off. My husqvarna weed eater will idle just fine, but as soon as I give it throttle it bogs down and won’t run until it finally dies out. 9532 posts Honda VTX 1300 / VTX 1800 Motorcycles Forum. Bike has been starting up fine since but I was still getting a bog down when hit WOT or heavy throttle in gears. If the throttle is turned when I stand up it starts lurching forward and cutting out, if the throttle is not turned when I stand up it bogs down and backfires hi i have a xr 100 96 with stock everything except uni air filter i cleaned out the carb and adjusted the pilot screw many times to get the idle to run perfect which it is its running not to lean not to black just like gold i mean spark plug color wise. That’s why running rich is not desirable for a motorcycle engine. Like and light switch of and on. It’s important to do a proper inspection and follow basic steps to solve these issues. 15 years It runs great I get the - Answered by a verified Motorcycle Mechanic. If you want to save the world, you have to push a few old ladies down the stairs. anyways when i even give it half throttle it bogs down the needle clip is one down richer than stock which i will adjust in the Lastly, the third most common reason why a motorcycle backfires through the carb is due to hot carbon build up on the valve, upper cylinder wall, or mostly commonly on top of the piston. Like there's large pockets of air in the engine. Backfire is caused by a secondary, unexpected combustion when there is unburnt fuel in the exhaust. J. So, why does a motorcycle backfire? A motorcycle backfire occurs due to incomplete combustion of air-fuel mixture into the engine Rich-Running Engine (Too Much Fuel) For every motorcycle to run efficiently This article looks at the causes of a motorcycle engine stalling when you open the throttle and how to fix the problem. Did the reverse hack to battery ground. Cars & Trucks; Open Questions: 0 answers. Took it for a ride and it would bogg at low rpms and takeoffs but would sporadically even out when in higher rpms. Polaris Explorer 400 - When the reverse is engaged, the motor bogs down and backfires. I checked the kickstand switch. thanks I just got my 05 wolverine running without the airbox installed onto the carb and it ran great with no issues at all. Starts great cold and runs great for 10 minutes and then bogs down, sputters. apart yesterday and cleaned everything so that it was spotless. 6. AND SPITS/SPUTTERS WHEN THROTTLE IS APPLIED WHEN UNDER LOAD engine will try to stall hold the speed up, shut it down and let it soak for 30 minutes, Motorcycles; Related Question. It ran OK for the first month or two of spring. Come in and talk about your favorite model. Can you tell me more about what's going on? Customer: engin will idel but when you throttle at all it bogs down and backfires Mechanic's Assistant: but I have been working on motorcycles & generators for 44 years now and I have a good ear. . Sometimes it just bogs down with no backfire and then pick up as if nothing is wrong. If I match the throttle to the speed and don't try to accelerate, it runs smoothly. It is best to listen to the warning and take action as soon as possible. A very recent and sudden development, caused one of the mower belts to come off. You might want to research that. However, you must remember that the backfire in a motorcycle is a sort of a warning to the rider that something is not okay in the motorcycle engine. 1 Answer . Nobody wants that to happen. 403 Satisfied Customers. I have a 2005 arctic cat 400 atv I bought recently and after taking it for a ride I noticed it was running poorly in low rpm’s and bogging so I took apart the carb and cleaned it out set the pilot air screw to stock (1-3/8) turns out. cruiser54. But as soon as I try to open the throttle it backfires and bogs down. Specialities 1997 Polaris 425 Magnum bogs down and back fire when speeding up quick. started it and even rode during the mild winter. 1. I got another stock known working carb. I never have to pop or backfire during idle, cruising speeds, or under acceleration. New to Harley’s Was fine at 1/3 or less throttle but then anything over that bogged down. Posted: 14:59 - 26 Mar 2010 Post subject: Won't Start, Just Turns Over And Backfires - Fixed! :) Went out and finally managed to get my exhaust fitted to you know what they say. Posted by misspell4 on Jul 18, 2012. I also swapped the CDI from my other bike. Discover why your motorcycle bogs down at full throttle and learn practical methods to fix engine bogging and poor acceleration. loses power as if I turned the key off, and backfires every so often, with a pop poppity pop-pop-pop as it slows down. So everything is brand new and clean. 2400 miles later on my way to work it backfires when I goose it when I get home jump on her and take her down the road about a mile, runs fantastic! Park it for 30 min, the wife jumps on , we A forum community dedicated to Kawasaki Vulcan motorcycle owners and enthusiasts. Jeep runs fine the first time you turn it on, but when it is shut off and restarted while still warm it begins to run like crap. If I slowly turn on the choke it almost goes back to normal, but backfires badly and shuts 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. It doe If the engine revs up, then it's starving for fuel. The weird thing is I can rev it as much as I want when it's in neutral. Tour Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site I notice that when I am accelerating if I let off the throttle, my exhaust backfires and pops. Any ideas as to what it could be. It can also rev up with only the throttle except it has be done very slowly otherwise it just bogs down and dies. The air-fuel ratio is probably wrong if the engine bogs down before reaching the power band. I have published a detailed guide on motorcycle oil change intervals. Yamaha Gold, Suzuki Gold, Honda Bronze, Polaris Bronze, BRP. I'll drive and it will bog down usually only do it under 1500 rpm at lower speeds. 1996 polaris xlt bogs and backfires. RiderForums. Whether you're experiencing motorcycle backfires on deceleration, acceleration, or braking, it's important to understand the root cause and how you can fix the problem. If I get on the throttle, much past 1/3, in any gear, the bike bogs down and then backfires several times out the exhaust. Comment; Flag; Recap: Down low when taking off my bike will stumble bad somethimes. arctic cat 500; By Bruce Madsen November 12, 2019 in Arctic Cat ATV Forum. It runs great I get the idle about where it needs to be then in like 10-15 minutes it bogs down backfires and dies out will fire right back up after a few miniutes and runs fine. After it backfires the problem will clear and it will run fine until shut off again. ∙ 13y ago. The only thing i have done so far is cleaned the carb to make sure the none of the ports were clogged. 314 posts · Joined 2011 Add to quote; Only show this user #8 my 150 bogs and backfires; 8 posts Page 1 of 1. Hi everyone, I’ve got a 2001 Honda Shadow VT750DC that’s been giving me a headache. Starts ok but has rough idle. I have a 68 CB frame and a 71 CB 350 engine that is bogging down and even backfiring at times. range during deceleration, then most likely the injectors are not turning off as intended, and this indicates backfires, bogs down, but after about 15 minutes of riding my quad starts boggin down and backfiring, died, wouldn't start, cooled down, fired right up, 10 minutes later, samething, cooled down I'm also a graduate of AMI with over 20 years of motorcycle mechanical experiance. 0L and 5spd trans. it starts fine and will idle great, but as soon as i take off give it 1/4 throttle it misses and backfires,i will stay running but it sounds like its running rich, i just rebuilt the carb. M. As soon as I let go of the gas, it backfires like crazy. Members Online • [deleted] ADMIN MOD Sportster bog. I bought this bike about 2 months ago and I have ridden it almost daily ever since I brought it home. It backfires bad and it bogs down when I start to speed up . couldnt be the cam, all fuel lines are good, actually put some fuel injector cleaner in when gas was at a quarter tank, ahsnt done it for a couple days, the header is aftermarket, but im gonna have to weld it still. 1998 suzuki quad 300cc. There will be reduced performance, fuel wastage, exhaust backfires and overheating, and power loss. 5. Zach. If your motorcycle has low oil, the engine may overheat. make sure the header/exhaust is installed correctly and tightened down. If it's not nunning but backfires out the carb when you try to start it, I'd be looking at bad ignition or valve timing. The trouble spots for a motorcycle engine bogging down when accelerating include: Air filter; Fuel and fuel delivery system; Cooling system; Exhaust The main problem is that even if I get it to run, I can't practically give any throttle. My 06 Prairie 360 starts and idles great, but bogs down and backfires when I give it gas. This bog down/backfire happened basically over night. Login. T. Either time for carb adjust or rebuild (I understand that's a part of owning a MC). ifdale, Apr 17, 2009 #1. If it still bogs down, then there's too much fuel. I strong suspect that this bike has only seen idle or slightly o 72 xs2 bogs down and backfires out of carbs, out of ideas. Any direction on a plan of action to follow in tracking down the problem would be appreciated. Motorcycles; All Recent; Join; Sign In; Ask a Question about Motorcycles. I changed the spark plugs, fuel filter, air filters, and a fresh oil and filter change. I have an 05 Yamaha RX1-ER that will not run correctly. Backfiring on decel. Any suggestion for a remedy? Jump to content. 1M posts 52K members Since 2001 Rider forum is a community for motorcyclists including both street and track riders. 9000miles on bike. A motorcycle backfire happens because of the presence of uncombusted fuel in the exhaust pipe. 715K posts 1986 honda xr250r that idles fine but when i give it throttle it backfires, bogs out, and dies, im not sure if the jet sizes are factory or not but the person i got the bike from was a licensed motorcycle mechanic and he just wanted to sell it as is, then you can confidently narrow it Just purchased a Stihl fs 38 trimmer. I lot, too much to mention. could it be the problem constricting the flow of gas. Most modern motorcycles use fuel injection instead of carburetors to deliver Common causes of backfiring in motorcycle engines include incorrect fuel-air mixture, ignition timing problems, exhaust system issues, overheating, and faulty spark plugs. So I thought: OK, maybe some channels in the carb are still blocked and prevents it from running right. Today while taking my daughter for a spin, it backfired under acceleration and the engine bogs. This refers to a situation where the engine is getting too much or too little fuel compared to the amount of air it needs for optimal combustion. Ask Question Asked 6 years, 9 months ago. Jump to Latest It idles perfect but sometimes it goes up for a bit and then goes back down. 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. However as soon as I attempt to accelerate it bogs down and then backfires. 20 yrs. The 610's get dunked for an extended period, or while hot, that coil sometimes ends up shorted and no longer able to fully excite. Browse Categories Answer Questions . Some of the things I’ve done already rebuilt the carburetor I took my Bayou 220's carb. V. Jeremy IT BOGS DOWN AND BACKFIRES AT SPEED AND THE REVERSE lite fickers EVEN. Idle good, new carb,may not be properly adjusted, fuel pump and filter. 31 Years experience with Harley-Davidson motorcycles, licensed Motorcycle Mechanic, Shop Owner. But when I give it gas it bogs down, the end has no real speed to cut weeds, then it dies. the gas line is clear to the electric fuel pump. And the more I throttle up it will very slowly make it to redline. So, the short answer is no. Jump to Latest 7. C. At first i didnt pay much attention, id just let it warm up really good before goig anywhere. Any help or 1972 honda cb450. If I open it only a little bit, it manages to rev, if I give it more, it just bogs down. Experienced and Licensed Motorcycle Mechanic - all sizes and brands welcome. (especially on higher gears) slight throttle on high gears the bike absolutely runs terrible backfires here and there/bogs. Sort by Oldest first Oldest first Newest first Most reactions. Now when you got to floor it, it backfires and bogs down. or just a lot of crap build up. I I have a 2006 kawasaki bayou 250 that will idle, when throttle it bogs and sometimes backfires - Answered by a verified Motorcycle Mechanic We use cookies to give you the best possible experience on our website. I have been trying to chase this down for a quite awhile now. alot of people say that the dealerships tell u Hey guys. Some say its the voltage regulator overcharging but it sputters with lights on too when warm. I starts up and idles fine but when I put ii in gear and bring up the rpms it bogs down. I recently bought a 98 Customer: My 1991 Chevy S10 bogs down and backfires when I accelerate. Christopher. I took the carb appart and blew it out. I've rebuilt carb and cleaned with ultrasound, replaced ignition coil and belt. Tried to adjust carb screws (per instructions listed in book) but that didn't help at all. My name is Wasim Akram and I love everything about dirt bikes, motorcycles and other automobiles. But bike really feels like it’s down on power and at full throttle in any gear it bogs/breaks up. I've read that it might be water in the tank somehow or possibly an "ignition cover" issue (I think that was what they said). any help would be greatly appreciated. I HAVE A 2003 YAMAHA V-STAR XVS65ORC THIS MOTORCYCLE BOGS DOWN. Page 1 of 2 1 2 Next > thumbless New Member. I have done many tests and everything seems to check out fine. I've put hours There are a number of different reasons why your motorcycle backfires, some easier to fix than others. 0. Tried to adjust the carb many different ways. The more gas you give it the worse it gets. But once you decelerate the bike bogs down again when you come back on Tags Motorcycle and ATV Maintenance Why does your Arctic Cat 500 idle but when given the gas it bogs down and backfires? Updated: 11/23/2022. Motor bogs down. 16. Engine bogs at high rpm. Fortunately, a clogged air filter is straightforward to cure. a bit but if you get on the throttle it doesn't want to go right away and when it does get up and go its sputters and backfires but will eventually get up to speed. Idles poorly - Fluctuations in idle RPM, stalling. Motorcycle Backfires: 11 Causes With Fixes (Explained) Motorcycle Not Starting: 15 Common Causes And Fixes (Explained) About us. All you need is 1/4" socket for the clamps, 3/8 socket to get the TBAP out of the hose. Looking for a little help. It will bog down, hesitate for a few seconds, then put out a few massive backfires. Search Fixya. Not at full power but usable, then it started doing this and I haven’t figured it out yet. i apreciat that, i am 80 ad been dsoing small engins for 50, Customer: I have a 1998 polaris 425 magnum 4 stroke. Like and light switch of Hello Forum, i am having trouble with my 05 Eiger 400 which is a manual shift. When I try to ride its like it has hiccups. 2010. polaris Sportsman. So the Location Colorado. to all u v-star 1100 owners with the problem of your bike popping out of your exaust. not sure if it was the filter falling apart and breaking down. 0 motor idles good but when i open it up it surge and boggs down and misses and backfires some was running good and. I turn around to take it back home and pulling up my driveway which is kinda steep, it backfires again and the engine bogged like it wouldn't take fuel. I’ve cleaned the carb multiple times and replaced the spark plugs, but it’s still acting up. The unburnt fuel escapes into the exh Exhaust backfiring/misfire is a common issue many motorcyclists and car owners face. See less See more Motorcycle Forum. Brought my sled in and had a new coil put in. When I went to start it up and go for a ride, the ATV started up and idles fine, but when I give it any throttle it bogs down, sputters and backfires. Posted by u/PSKTS_Heisingberg - 2 votes and 5 comments customer: i have a 2003 yamaha v-star xvs65orc this motorcycle bogs down and cannot pick up rpms in any gear. I just bought it about a month ago, it needed a good carb cleaning, which I did, but the carb was leaking fuel, even while running, so I checked it and it was the needle seat, it wasnt a perfect circle, it had a chinese carb on it, so I ordered another carb, It will start backfiring and bogging when I go over 30mph and let off the throttle, then it bogs out till it hits 0 and stalls. 1991 Sportster wont start backfires. Or, maybe just a new air cleaner. First of all when on the throttle it seems to cut out and bog down and backfire occasionally. bike bogs down once warmed up once bike warms up it bogs down when throttled - kawasaki 1996 VN 1500 Vulcan bogging down intermittently, it's a 2008. Took off 1977 honda xl350 revs to 4,000rpm and then backfires and bogs. It now runs without bogging down and it doesn't quit anymore. 6K views 8 replies 4 participants last post by j1s Oct 21, 2010. Based on all the posts you've made concerning this project, I'm betting when you twist the throttle, your engine is receiving too much fuel. Come join the discussion about performance, modifications, troubleshooting, maintenance, and more! Now you know why there is the issue of motorcycle bogging down at full throttle: How To Avoid it. First though was carb I cleaned it, tried different jets and now I have another XR650L carb in there from my other 650L which I KNOW is perfect. Light Mode (Default) Dark Mode bogs down and backfires. Havasu_Boatman. Then it clears up and moves. I have also noticed that it tends to backfire. Motorcycle bogs down when given gas - 2004 Yamaha V Star 1100 Silverado. Sled(s): 2015 Ski-Doo Renegade Adrenaline 600 E-TEC 2003 Ski-Doo Mini-Z "I get stuck a lot. I thought they might need replacement, bought both new belts, but they were fine, tried putting old one back on, no slack, doesn’t slip, but engine labors excessively each time mower is engaged and tries to stall My 1999 Artic Cat 500 ATV has started bogging down and backfires shortly after starting. An engine is the heart of a motorcycle. It starts and idles fine but when you give it gas it bogs and backfires. Problem comes back after People who regularly ride a motorcycle are aware of the problem of backfire. I rebuilt it, still same problem. 5K views 6 replies 3 participants last post by Bobalou Aug 17, 2009. bogging down and backfiring. Discussion in 'Motorcycle Tech Talk' started by thumbless, Jun 8, 2013. Then it started to bog down when giving it gas. After running for few minutes, it loses power, backfires, bogs down, and dies. And yes, I have done the test on the TPS, it checks out fine. Here are the symptoms you can notice if the motorcycle is running rich: #1. Two stroke engine bogs and backfires when trying to rev up - Motorcycles question. net is the leading motorcycle forum for news, specs, reviews and Hello everyone! My bonnie bogs dow on first gear at low rpm; mostly at take off. Mechanic's Assistant: A motorcycle exhaust backfire is an annoying and potentially dangerous problem to have. Bogs, Backfires and hits a wall under load. If it bogs going uphill but is fine on flat ground it is starving, not flooding. What causes this? My muffler is not packed and has no baffles. I have a 2000 kodiak 400 4x4 will not idel and backfires out carb. When this happens, the check engine light comes on but there is no code recorded in the computer when they check. The bike has been maintained pretty well, clean filter, oil changes, new spark plug. j1s Discussion starter. In all my years as a motorcycle mechanic, I've seen this exact problem (symptom) many times. I tore the carbs down and they were spotless and everything was set as it should be for my elevation and mods as far as jetting specs. If the air:fuel ratio is disturbed, the engine will not burn the fuel efficiently. TWRECKS King of the dinosaurs Customer: Engine bogs down and backfires whenever mower blades are engaged. Browse Categories Motorcycles. Chevrolet Drz400 idles fine but given any throttle it chugs, backfires, and sometimes dies. Basically, it backfires and bogs down really really badly anytime it rains, which is especially a pain when it's your main mode of transportation The other day I was riding my 1995 yz125, I stopped to take a break and leaned the bike against a tree and turned the gas off so it didn't flood, when I went to start it again it started first kick like always and idled fine but when I gave it Engine problems are a pain. I have a 2008 brute force 750 with the same problem. I've TRIED EVERYTHING AND THINK IT JUMPED TIMING Motorcycle backfires are often misunderstood by riders and even mechanics. BarryN928. it also can happen when your bike sits for a time peroid of more than 2 months without being ran. A blocked air filter will cause the fuelling to be rich – too much fuel compared to the amount of air. 2007 V-Star 650 idles fine, but bogs down when going through the gears. last week while warming the bike up it started sputtering like a miss fire and small backfires. Bike was. 1,530 Satisfied Customers. Isles. Let me know if you try that carb adjustment. 4,064 satisfied customers. the ATV has super low miles it's basically brand new but it's sat for about a year and a half make sure it started got it to turn over then didn't do it anymore cleaned everything out I'm going to replace the The chart in fig 8, shows a typical correction factor chart. I start it just fine and it idles normally. The problem is that it bogs down and backfires. It shows no FI indicator light but as a mechanic I could not help to check Fuel Injection components. But it still overflows and it hesitates/ backfires some. I'm looking for a top knotty atv/motorcycle mechanic. What do I do ? Save Share Reply Quote Like. com to calculate the correct size jets I need. I have a 2010 Teryx. It just has no more go. Good morning. What I have done so far, Cleaned the carbs many times x5. Jeff Policky. A motorcycle might bog down or backfire for reasons as basic as a corroded or loose spark plug. I got the same problem on my 96 lt-4wd. 4 posts · Joined 2010 Add to quote; Only show this user #1 · Oct 20, 2010. Very smooth. Many people think a backfire is simply an explosion in the exhaust system, but this isn't always the case. Idles fine Revs fine. It takes probably 6-7 miles before it runs ok. I know on my snowblower any sudden change in snow load will cause a very brief engine slow-down followed by a return to normal speed, unless the load gets really heavy. I can't find anywhere on the internet to test it. Skudd:- Perhaps she just thinks you are a window licker and is 2006 Harley Davidson bogs down when I attempt to ride or accelerate. the electric pump Engine Bogs and backfires under load. Adjusted the air/fuel to 2 1/4 turns for both. I have a 2000 600 that I bought a couple months ago as a project bike, I have managed to get it running now after installing a new carb, plug, flywheel key, adjusting the timing, and adjusting the intake valves, could not get to the exhaust valves with my feeler gage. Bogs down, backfires, cleaned the carb and checked everything. 2021. I have tried everything I can think of I cleaned the filter, took apart and cleaned the carb, changed the plug, even drained the gas and put new in it. Motorcycle running rich symptoms. Kawasaki ATV and Mule 1999 prairie 400 4x4 back firing bogging down. Engine runs hot - Due to more oxygen than fuel combustion temperatures are hotter reflecting on a temp gauge. 98 700 RMK Backfires and Bogs down. Contact us. 214 Satisfied Customers. I changed the plugs, - Answered by a verified Motorcycle Mechanic. How it Works . (especially on higher gears) slight throttle on high gears the bike absolutely runs terrible backfires here and there/ bogs. Clean TBAP with electronic cleaner be sure it leaves no residue. It idles fine and runs ok at low RPMs, but if you open the throttle it bogs down/stalls out and constantly backfires. New to quads, but the same basic engines. Clicking this will make more experts see the question and we will remind you when it gets answered. It now runs on both cylinders but still bogs down and backfires. The bike was also backfiring really bad. You can take care of the various part mentioned earlier, such as the air filter, fuel pump, carburetor, spark plugs, etc. OEM Parts for Honda - Yamaha - Suzuki - Kawasaki: Goodmorning Elia, when did you first notice the issue with the motorcycle bogging down at high RPM despite having a new carburetor installed? IT BOGS DOWN AND BACKFIRES AT SPEED AND THE REVERSE lite fickers EVEN. Joined: Jun 8, 2013 Messages: 9 Usually a bad pick-up will fire again when it cools down, but not always. Bike starts up in two kicks when she is warm and when cold anything from 8-10. 9. Engine misfire, which is visible when accelerating when under load, can be brought on by fouled spark plugs. Show Less . That helped the loss of power some, but it still bogs down and backfires. I think my next step would be the igniter but thats an expensive part and what I have read, it rarely goes bad. Save Share Reply Quote Like. m. 4M Experienced and Licensed Motorcycle Mechanic - all sizes and brands welcome. 2005 Suzuki Boulevard C90T; Open Questions: I recently purchased an M665 Ztrak. as you open the throttle the motorcycle starts to cough and jerk in any gear. air box. throttle. Was running fine yesterday with same gas. Full I believe the idea is that if the engine slows down due to an increase in load, the slower air flow will cause the throttle to open slightly so the engine can speed up again. At the end of my ride it began running on one cylinder. when i say it doesn't go any higher than 4,000 i mean its like it hits a brick wall it starts to backfire alot and bog down im really not sure what it is my hunch is its a timing problem but i also haven't tested the compression Motorcycle Forum. So when the engine bogs down while accelerating you need to look for the concern areas. Discussion in 'Thumpers' started by ifdale, Apr 17, 2009. I just rejetted my carb and turned the fuel mixture screws out too much and I was blowing a ton of white smoke and back firing because of the excess fuel not being burned and igniting in the exaust, I adjusted the mixture screws a full turn in and smoke stopped and she runs like a top. this occurs when u have either exaust upgrades or stage 1 or 2 kits installed. The problem occurs when i put it in gear it runs fine at first but then starts to bog down beyond 1/4 throttle and just dies. Determine the correct air temperature and follow the chart over to the right until the correct elevation is found. The 3 prong connector is usually not by the handlebars next to where you put your hands but rather just a little bit down the steering shaft about at the point where the console containing the key switch is located. That way, you can easily avoid motorcycle bogging when your motorcycle reaches full throttle. Harley Davidson - Street Bob 2016 but if I let off, it is OK. My 1970 CB450 was running just great. I believe it's running rich, if I fire starter fluid while giving it throttle it makes the problem worse. Why is my motorcycle backfiring? A motorcycle backfire happens because of the presence of uncombusted fuel in the exhaust pipe. It has an uneven idle (alternating 5-10 seconds high rpm, 5-10 seconds low rpm, not consistent), bogs on acceleration or open throttle 95% of the time and backfires on deceleration. It will usually crank right back up and idle with no problem until I put it in gear and give it some throttle, then it bogs immediately. The float height isn't set to the correct height so that the amount of fuel in the carb is low enough that when the bike tips backwards the jets aren't dipped into the fuel so they are barely sucking anything into the engine. It is located down on the flywheel, and is actually a magneto impulse coil. the ATV has super low miles it's Just got a nice 09 DR 650 that has been tuned by new pro pipe, K and N air cleaner and the usual carb re-done w/ kit/ reeds etc. Every piston in every engine has carbon build up over time, its a natural process of combusting fuel under high pressure and temperature. 2,280 Satisfied Customers. make sure your air filter is installed correctly and not torn. The exhaust manifold also glows red. When I first start the bike it idles rough and bogs when you push the throttle. I've tried everything, spent $400 at dealer, they could not figure it out. Come join the discussion about performance 31 Years experience with Harley-Davidson motorcycles, licensed Motorcycle Mechanic, Shop Owner. " Save Share This is a most important indicator of what is happening. This “bogging down” It is only occasionally but I do notice it beginning to do it a little more often. It becomes really hot really fast and shuts down when I let the gas go. Dec 31, 2024 #50 AUTOMAN said: condenser or what jim said Click to expand No change in bogging down after un-crossing the wires The engine starts and runs fine at idle, but when I try to rev it up it bogs down and backfires. It can hurt your ears if you’re in a confined space, or could start a fire as some backfires even emit flames. After I go past there, the engine bogs down and backfires like crazy. Modified 6 years, 4 months ago. When I get it to rev, it backfires, that means it's very very lean. 12. The problem is that when I accelerate hard the engine bogs down, and backfires. 58 My recommendation at this juncture is to pull the ignition coil and have it checked. Explore All Categories Motorcycle bogs down when give it gas, putt putt putt, backfires through both exhaust and air cleaner, full tank, fuel 5. When putting it back together, I wasn't really sure if the air pilot screw (I think that's what it is called--it's the one INSIDE the bowl beside the main jet) had an adjustment or if it simply is turned in until it stops. I get continuity on/off on the kickstand switch. Hi guys i have a kx450f 2013 thats a pain to start and bogs and backfires. No better. :help I have a 2006 500 ATV. 11 posts · Joined 2009 Add to quote; Only show this user #1 · Aug 17, 2009 (Edited Suzuki Dr650 stumbles and backfires. I have a Honda foreman that runs good then randomly bogs and backfires like crazy then works good Yes new spark plug and Clean air filter Mechanic's Assistant: Is there anything else the motorcycle Mechanic should know about your starts and runs good, but has loud backfires going down steep hills, and the oil temp light. com - Kawasaki Motorcycle Forum. (MOST VALUABLE TECH) 1997-99. v-star 1100 owners with the popping noise out of your exaust. Customer: hola hey I'm reaching out I have a 2010 Arctic Car 400 4-stroke carburetor runs like a dream until you hit full throttle then completely bogs down and backfires a lot. Wiki User. I need some help to figure out what's wrong with my car. I did feel a couple backfires through the air cleaner on my leg the other day. 2011. First post ever so here it goes, my 72 xs650 chopper with a freshly rebuilt top end and all new electronics struggles to idle when started and backfires out of both carbs, if it does manage to keep started long enough to rev, it bogs down when given throttle. Twist it beyond that, and it stops firing smoothly. Poor fuel economy. also, check your coil, I can roll the throttle some while in neutral and all seems fine. After a few mows it has started bogging down when engaging blades or going uphill. A 1806 carb, 650cfm. my 150 bogs and backfires 150cchamp Posts:7 4. Sometimes not as bad. Idle is 1500rpm. Add an answer. Anyone else dealing with this? Quick Response. Any problems there is a big concern. cbtacco Discussion starter. I haven't ridden it in a few months. experience. Motorcycle bogs down under load. I know it is the right cylinder because the plug is black and gas wet. I assume it is a sign of something that I probably should be aware of. We use cookies to give you the best possible experience on our website. Move straight down from this point until the correct coreection factor is found. Your running too rich, don't listen to these idiots telling you it's toast. No Anything and everything related to Harley-Davidson motorcycles and the people who ride them. I've had backfires before and don't believe they mean anything, but when it also stalls when I come to a stop, I There was clumps of junk in the filter. The sudden interruption in acceleration not only compromises the riding experience but also poses a threat to safety. But bike really feels like it's down on power and at full throttle in any gear it bogs/breaks up. After the ride is over, the carb leaks. If a motorcycle backfires down through the entire r. But when mine gets to 14000 rpm it doesnt bog down. Bad when trying to accelerate at any speed. The bike ran great all last season. Removed the parking brake from rear. Jump to Latest A forum community dedicated to Yamaha Star motorcycle owners and enthusiasts. Discover "The Ultimate Motorcycle Backfire Guide: Causes, Diagnosis, and Prevention," an all-inclusive resource for motorcycle enthusiasts seeking to understand and Hello, I'm have a hard time solving a power loss problem with my ATV. This is most likely a carb float issue. Hey there, I feel your pain. Bogs with hard acceleration. I had these same symptoms several years and found that the gas cap check valve was not opening. I have replaced the spark plugs, fuel filters (carb & separator), Checked the timing belt/distributor placement & everything is aligned, Timing is right at 10 as it I just purchase a 2005 raptor 660 that starts great but bogs and backfires every-time I give it full throttle. So I went and got a new air filter(K&N(factory air box)), change all 4 plugs, checked the crank case vent tube, changed the oil and oil filter, loaded the M109-008b tune, reset the PCIII throttle setting because they were off by 3% on the close and off by 11% My new-to-me 98 DR350 offroad has the pumper carb. THIS ATV BACKFIRES OUT OF THE CARBURATOR AND BOGS DOWN WHEN YOU GIVE IT GAS, BUT WILL ACCELERATE WHEN YOU FEATHER - Yamaha XS 400 question. The bike fires up first time which was great. Answered by Christopher in 13 mins 13 years ago. No power. Want Answer 0 Same is true of an old or failing spark plug, but again you will see it when you pull and inspect the plug right immediately when you shut it down after it starts bogging. One of the leading causes of motorcycle backfiring is a faulty air:fuel ratio. Customer. A forum community dedicated to all Kawasaki motorcycles including the ZX-6R, KLR I got my ride back together with the choke locked shut. This time though, it's stalling out with a backfire pop even after I start riding. Start with the easy fixes first and move down the list: Make sure everything is properly tightened. You can often smell the excess fuel. The RPM's do not hang. If I open the throttle gently it seems to be ok, when I blip the throttle it bogs and backfires? Stripped and cleaned throttle Motorcycles; Related Question. 10. After that, I tried taking it for a test run, and as soon as I open it up a bit, it just bogs down and loses all of its torque. the only way I can keep it running is keeping the choke on almost all the way. 12775 posts · Joined 2009 The engine bogs down when you open the throttle, but if you open it gently, it may pick up and rev. So the choke was definitely a big part of it. MOT. p. Want Answer 0. It backfires and bogs and requires me to pull on my throttle when I first start it up. 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. 25+ yrs. I was expecting it to go little faster then 57 so let me know what you guys think. The spark will look good but not hold up under 2022 Suzuki DRZ400SM literally bought last week brand new, everything works perfectly until I stand up while riding. MASTER TECH. Jump to Latest 2. To use this chart, jet the carburetor and write down the pilot and main jet sizes.
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