Harley bogging acceleration When I get on the freeway and go ~80 mph and above, my bike will run a couple of miles great. Bogs with hard acceleration. Sep 4, 2014 · In order to solve this problem, carburetor designers added an “accelerator pump” to the system. Jul 12, 2007 · Joined: Jun 30, 2008 Messages: 1,302 Likes Received: 259 Trophy Points: 211 Location: Columbiana, Ohio Vehicle: 2018 F150 XLT/5. The bike has been running great with a couple of exceptions, which I'll explain shortly. Jun 12, 2023 · Engine misfiring can also be a symptom of bad gas in a motorcycle. The proper maintenance routine can get rid of bogging and keep your motorcycle road trips safe. Aug 20, 2012 · That being said, there is a noticeable performance issue too. This can occur on any model, any carburetor, but seems to happen most often with the stock CV Keihin carburetors used on the newer (90 up) Big Twins and Sportster models. This occurs when the engine does not fire properly, resulting in uneven power delivery and a rough ride. Slide diaphragms for the Harley CV carb slide are not sold separately, so the only fix is to replace the Harley vacuum slide. I was some days finding the problem. No codes runs flawless otherwise. Harley Sputtering At Low RPM. Bad gas can cause your Harley to have a rough idle or to bog down during acceleration. Sep 11, 2022 · I have a 2019 street glide 114. The wiring, and screen with the pump, in the tank. The sudden interruption in acceleration not only compromises the riding experience but also poses a threat to safety. A faulty ignition system can also cause this issue. Mar 21, 2012 · 2003 Road King Classic poor acceleration (conti) Sorry guys for not enough details. Apr 5, 2023 · A bad fuel pump can also affect acceleration even though the engine may idle properly. Situation/Issue (started around 35K miles): Sputters sporadically after bike warms up when trying to leave from a stop (red stop light, etc. Oct 27, 2023 · Bogging down refers to a situation where a motorcycle’s engine loses power or stutters, particularly during acceleration. If I idle down and immediately throttle back up it's fine but if I slow to idle for more than a few seconds and accelerate, it bogs down again. If your Harley is backfiring on acceleration, it’s likely due to a lean fuel mixture. So when the engine bogs down while accelerating you need to look for the concern areas. I did this because I couldn't give it more than a quarter throttle without it bogging out. T. It may also make sense to try and shoot starting fluid directly into the cylinder so that you bypass the carb. 5L 460 efi This truck has a recently installed rebuilt motor (2weeks ago), new distributor, new belts, hoses, starter, new plugs and wires. Bike has 3500 miles, tab performance exaust and an arlan ness intake. What you describe is one symptom of water in the gas tank. e. It has been tuned for the pipe with screaming eagle pro tuner. Dec 1, 2019 · A: Some common symptoms of carburetor hesitation on acceleration include a rough idle, hesitation or stumbling when accelerating, and a loss of power or speed. Two of the most common scenarios is when you find your Harley sputtering at low RPM and when your Harley sputters on acceleration. The bike is really clean and garage kept, it was actively ridden throughout the summer last year and stored in a garage up until I bought it in December. Your Harley Is Randomly Backfiring Through The Carb Sep 10, 2011 · spitting sputtering on acceleration and complete loss of power above 2000 rpms drained floot bowl checked and - Harley Davidson 2005 XL 1200 C Sportster question Search Fixya Press enter to search. 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. This can result in reduced engine power, failure to rev up properly, or engine misfires. you need to either remove and rebuild the carburetor (this This Engine Was Running Too Lean. Mar 24, 2012 · Harley shop has no idea and I don’t want to just start throwing parts and $$ at it to hope to locate; Maintenance: All scheduled maintenance done on time and never skipped. Checked for an air leak on the intake, cleaned connectors with spray cleaner, checked the spark plug gap. Aug 15, 2011 · So, after receiving the shop manual (and owner's manual), I pulled apart the carb this weekend. Difficulty Starting. It flashed like before and just disappeared after a few seconds. Come join the discussion about performance, modifications, troubleshooting, builds, maintenance, classifieds and more! Show Less May 7, 2024 · well, I did not buy this bike brand new. Also hear a rattle coming from underneath the jeep, almost sounds like a trans problem but maybe cat? Wide open throttle yields no power. 0/AOD Feb 21, 2017 · My RPM's fluctuate when my bike is at idle, and when I start to ride from a stop I have to roll the throttle about a quarter of the way for my bike to get past the "bogging" sound and then it very quickly switches from bogging to BAM normal and off we go. M. If I rev it out the bogging stops but once i let off it starts again. So I took it for a ride and now the engine bogs down bad on acceleration. I have found that in the past week it has been hesitating and chugging while I ride. Riding two up up a STEEP hill with my wife on the back of my Norton I realized that I was too lean at wide open throttle at 70 mph. 2,888 satisfied customers. It is not throwing any codes even when have the issue. Page 1 of 3 1 2 3 Next > sam906, Apr 23, 2017 #1. 8K views 10 replies 7 participants last post by vrsc Sep 14, 2003 Oct 3, 2014 · Bogging down, stuttering during acceleration - solved. Jul 29, 2021 · i have a 2001 ultra classic fi and when the iat sensor is plugged in my bike does not run right it want to bog down when i give it gas but when i unplug the iat sensor it runs better with shitty gas mileagewhat can be the problem iv changed plugs wires injectors fuel pump fuel filter and the iat sensor im running out oif possibilities any help would be great!! Apr 2, 2015 · Bob’s at the bench with your Harley carburetor troubleshooting questions. I have talked to them around ten times in the last four months and have gotten nowhere. I noticed while riding to Sturgis last week, that when the bike reached 3,000 RPM in 5th gear and under acceleration, the engine would rev as if the clutch was partially pulled in. I’ll look up how to do the air leak test. - Hey all, as stated in the title, I am having drivability issues with my pickup. I have done no motor work to the bike at all and it is in original condition. Jun 27, 2010 · Okay so the last week has been hella with this 4. 2) When I WOT the car sort of backfires. And the 'likely' cause is the dirty pilot jet. It’s more than likely air fuel ratio if you’re bogging on acceleration at only one speed range with a carbureted engine, this is likely due to ethanol corrosion inside the carburetor, it plugs the jets, accelerator pump, all the little passages inside the fuel side, you could have a bad float or a sticking needle valve, etc. I already cleared my jets and cleaned th Apr 11, 2022 · 1973 - 1979 F-100 & Larger F-Series Trucks - Engine bogging down and backfires under acceleration. still scratching my head on this May 18, 2010 · Generally, the telltale sign is good initial throttle response, but shortly thereafter the engine bogs down or flat lines and as the RPM climbs it recovers accelerating normally. Apr 25, 2009 · Genearally, if it's lean, it'll bog at high rpms, and break up and pop out the exhaust. Aug 20, 2014 · A forum community dedicated to all Harley-Davidson model owners and enthusiasts. When your carburetor is properly tuned for maximum performance your spark plug electrode will be a light tan color like coffee with cream. Nov 6, 2016 · Big Block V8 - 385 Series (6. This happens in all gears but has no affect in nuetral. Oct 10, 2019 · So I just bought my first Harley which is a 2015 Street 500. it was bogging hard under acceleration. What it does is to shoot a carefully timed squirt of fuel (see photo) into the intake manifold every time the throttle is opened quickly in order to keep the engine from going lean while the RPM’s build up to the point where there is enough vacuum for the normal carburetor fuel circuits to Aug 12, 2015 · My bike is a 2012 Ultra Limited, 103 w/6 speed. Everything runs great at idle but as soon as the bike is under power it bogs down and back fires on easy acceleration. It shifts good, has good low end power when I'm working the clutch, but I can't coast at a Jul 5, 2012 · Cure The Bog And Sluggish Response On Your Holley Four-Barrel Carburetor, By Properly Adjusting The Accelerator Pump Assembly. Feb 24, 2018 · Since you just bought it from someone else, I would drain and pull primary cover to check the chain slack ,primary chain adjuster and compensator. Sep 15, 2003 · 1973 - 1979 F-100 & Larger F-Series Trucks - bogging down under acceleration - :confused: I bought my truck back in February and hadn't had a problem with anything until recently. 7, 2wd. It runs powerfully up through its powerband, but has these quick occasional "hiccups" or skips all the way through the revs. Jun 13, 2012 · 2021 Indian Roadmaster Limited - 2004 Softail Springer - 1993 Dyna Low Rider - 1983 FLHT 275,000 HOG Miles IBA Member since 3/31/12 RIP Dr. Nov 6, 2021 · Was just riding home, doing about 55mph, in 4th gear, when I lightly accelerate , it accelarates . If it has been sitting for a while, condensation can do that. anyone else had this issue ? Any help greatly appreciated. After, Bike ran well for about 2 days then it started bogging under acceleration again. Types Of Motorcycle Bogging Jan 4, 2006 · 06 F-350 CC/SB Black Harley Edition 4x4 Auto w/ 3. Jun 8, 2021 · The bike went easily to 185-190 km/h. “I have a 2012 [Harley-Davidson] Road King police model with 14k on the clock. I replaced the fuel pump-because it was bad in July. Clean the fuel injector with a WD-40 spray cleaner to fix the issue. Once I work the throttle, it eventually accelerates and runs great. This backfire is intended to occur in Harley’s combustion chamber. I believe it IS running RICH because the spark plugs are black, but I've only ridden around for 20 minutes after all the adjustments so I'm still figuring that out. May 7, 2013 · I have a '94 vulcan with about 25K miles. Is the main jet not rite for stock heads with 400 hours on them? I also have a Q muffler coming do yall think it might help. The test is to run the bike at about 50-60 mph, in 4th gear, and give it full throttle. It sounds like you've richened the mixture and the problem is solved. 1977 F-150 with a 429 out of a ?73 Galaxie. skip(almost like a bog or misfire). Still haven’t figured out the bogging issue (I’m leaning towards opening up the fuel module on that one) but now, when I go to accelerate, it just doesn’t go. It started with a misfire on a few cylinders and I finally fixed that today. Opened the tank and found that the plastic piece that holds the fuel pressure regulator was broke and the regulator was half way out and leaking. Jan 24, 2022 · About 6 months ago I bought a 2003 883XLH sporty with less than 10K miles on it from a coworker with minor issues. Jul 19, 2011 · Ignition Pinging during acceleration Jump to Latest 16K views 13 replies 8 participants last post by Bronson Jul 25, 2011 Feb 16, 2014 · I just checked my compression after correctly adjusting the tappets, and the bike still bogs when accelerating from a stop. Rough Idle or Bogging. It's also a sign of a bad neddle jet diaphram. Will check for intake leak next. 613 Satisfied Customers. Aug 4, 2010 · Here's the deal. I been riding it for a week with no problems, except a little hesitation under full throttle. After pulling over, the bike was still idling but Sep 15, 2022 · Backfiring on Motorcycle Acceleration. Come join the discussion about performance, modifications, troubleshooting, builds, maintenance, classifieds and more! Show Less Aug 28, 2015 · So my problem is that out of nowhere my bike has been bogging upon acceleration. Jul 10, 2002 · hi i am new to harley. Sep 24, 2012 · A forum community dedicated to all Harley-Davidson model owners and enthusiasts. Once you get past this its rideable and has power. Oct 19, 2023 · There are several things that can be causing your bike to bog down around 40-50 mph, including issues with spark plugs, fuel injectors, carburetors, and the fuel- and air lines that connect to the carburetor. By chatting and providing personal info, you 650 kaw. Seems on my 00 ultra glide the engine seems to stumble a little at the 2000 rpm mark, has lots of power, quick acceleration. . Nov 13, 2009 · +1 Harte3 On a 94, you can pull your computer codes with 5 minutes and a paper clip, and it'll blink out "morse code" with the check engine light (or you can use a continuity tester/multimeter and count beeps/needle sweeps). Mason Surratt. The bike is a danger to ride. and then goes again, I'm thinking either plugs, Don't think its the clutch because i know what clutch slip feels like from my cars. Jun 12, 2006 · If it is just a sag when you add some throttle to accelerate moderately, and not a stumble at steady off-idle throttle position, and if it has a pink pump cam on the primary (which it probably does), use some other cam, white is a good choice for about the middle of the spectrum, blue is aggressive right off idle and if you turn the pink cam upside down it can mimic the blue cam. If it bogs then, you need to note is it picks back up, as you let off the throttle. He gives his suggestions on where to start when you are having fuel delivery issues May 13, 2024 · What should I check if my motorcycle starts to bog down when I’m trying to accelerate? If your motorcycle is bogging down during acceleration, it could be due to a clogged fuel filter or a dirty air filter. 08 Dyna Low Rider - Fuel Injected 96 ci riding with the engine warmed up doing 70 miles an hour, I got a random blip in the rpm like Apr 16, 2013 · If you are running rich, spark plug color is black or dark grey, the engine runs cool, and bogs down when accelerating you need to go down on jet size or move the c-clip up one notch. it starts to pull if you ease the throttle past the point it bogs. Well, not sort of, it does. V. Bogging refers to a situation in which the motorcycle hesitates while the rider throttles up to accelerate. it has what i think are hd slip on pipes. Following are some of the reasons why the car bogs down when accelerating. If your car or truck is equipped with a Holley four barrel carburetor and stumbles upon acceleration, more than likely the carburetor needs an adjustment to the accelerator pump assembly. 00 for my 2012 FLHX and put an additional $7,000. Come join the discussion about performance, modifications, troubleshooting, builds, maintenance, classifieds and more! Show Less Oct 31, 2023 · Sputtering in Harley Davidson motorcycles can manifest in various ways. Causes Of Car Bogging Down When Accelerating. Mar 16, 2022 · Gear Bog. if accelerating aggressively , jsut before time to shift in each gear, she coughs and sputters, and only regains smooth fire if you let out of the throttle a little bit. Once it hits 4k rpm I get a sudden loss of power almost feels like a slipping clutch or a bog if I keep going it eventually gets through it. That bog or flat spot is where the pump shot duration ran out and the booster venturi fuel flow alone is not enough to keep the engine running efficiently. Nov 25, 2011 · Ok so my bike has this bog that is pretty annoying. Jul 13, 2021 · You can easily bog down and lose acceleration power if the accel pump is bad. If you can goose your throttle and the bog clears up, then you'll know its a fuel delivery issue. The bike runs great and has tons of power when I first start riding. And with that the Fuel Filter. 6. Took the bike out to get gas and all was good on the way to the station which is about 4 miles away. When the bike is at an idle, it will bog if you open the throttle all the way to fast. just bought my first one, a 95 heritage softail with 4k miles on it. 3) I noticed in the tune my tuner provided it shows all zeroes for (Added MAP Acceleration Enrichment (lb/hr) under the Acceleration Enrichment tab? Should this be all zeroes. Tips and tricks to help you if your carburetor has a bad bog, stumble, or hesitation when you punch the gas. Oct 4, 2016 · I was having a similar problem with high idle, bog down when take off from a light and rough idle. May 19, 2023 · The Screamin’ Eagle 110 engine, produced by Harley-Davidson, has become a popular choice for motorcycle enthusiasts seeking a powerful and reliable ride. On hard acceleration it is bogging down like there is to much air, because sometimes it backfires. As expected it was nasty inside. 1976 Harley XLH 1000 1993 CBR 600 1976 Norton Commando 850 Feb 12, 2024 · Motorcycle bogging down at full throttle is, unfortunately, a prevalent concern. If i let up on the accelerator it picks up and runs good. Aug 23, 2016 · 2000 Rebel 250 bogging on acceleration Jump to Latest 5. Regular maintenance checks can help prevent this problem. Apr 1, 2014 · 99 Silverado Bogging Down When Accelerating. I am the third owner Bike is a 2007 Road king custom as far as oil that I use in the bike is Amstell specific primary specific first thing I did because it felt like it was a clutch slip only slips when I’m accelerating after replacing the clutch continue to do the same thing so the next stagit was a clutch slip only slips when I’m accelerating Nov 28, 2022 · A motorcycle that bogs simply means the engine sputters or stalls at full power due to a lack of gasoline. 0/429, 7. Normal chanigng of oil, oil filter, and tires. Exhaust System Restrictions. just had the compensator replaced. Aug 30, 2003 · The symptoms you described (hestitation during acceleration, need for choke to keep the bike running) all sound like a lean fuel mixture problem. Jul 13, 2011 · Hello, I have a 2005 FSXTBI Night Train. If the fuel pump is not functioning properly, it can cause a reduction in engine power and poor acceleration. Author Topic: Bogging on Acceleration (Read 14522 times) 0 Members and 1 Guest are viewing this topic. I replaced IAC, TPS, engine temp sensor. However, when I rev the engine and am not driving the bike it is much better. 5 power valve that comes with the rebuild kit opening too soon. It only does it right away when I accellerate from a stop. Aug 5, 2012 · VRSCA , VRSCAW Hesitation bogging stalling issue Dec 7, 2022 · 11 Vstar 950 touring bogging under acceleration Jump to Latest 3. One of the most prominent issues that cause a car to bog down when accelerating is the low fuel supply to the engine. One way that a faulty fuel pump can cause poor acceleration is by not delivering enough fuel to the engine. 7K views 17 replies 8 participants last post by cooldudju420 Sep 24, 2023 Mar 12, 2016 · Hi All, I recently purchased a stock 2003 anniversary edition Vrod with 1300 kms on it. Check these components and replace or clean them as necessary. A needle type under the nozzle assembly and a ball type under the plunger. Adding some Heet to the gas tank might fix it, or you can drain the tank and refill it with fresh gas. What Could Make My Harley Davidson Backfire? A small explosion in the exhaust or intake causes Harley Davidson to backfire. The last type of bog is the gear bog. I have a 1988 yj 4. In this case, the bike may run smoothly at higher RPMs, but once the RPM drops, the bike starts to sputter. Too much throttle and it stalls altogether. 0L. its an ss carb on the bike I checked all setting on carb and there correct, pulled plugs seam a little lean grayish in color. The float bowl had a yellow pasty goo in the bottom (like runny mustard) and the jet was covered with a green crusty substance inside and out that nearly blocked the hole completely. is this normal? Oct 19, 2023 · Why Does My Motorcycle Stutter When Accelerating? There is a point in any motorcycle’s life when proper acceleration is negatively affected by sputtering. Aug 19, 2022 · *Under acceleration it feels like it’s bogging down a bit, if you lift off the accelerator slightly you can feel pick up again, but if you press down to much it feels like it’s restricting itself again. Or a plugged exhaust. Plug May 16, 2024 · 04 VRSCA Rarely During acceleration it will bog and cut out about 35-45 rpms. Next stop, lawyer. i then roll the throttle off until it unbogs. I’m running a 45 slow jet, and a 170 main, it has the dyno jet kit, Vance and Hines long shot pipes, and a Wimmer mini-max air filter set-up. Bogging down on acceleration. Whether you ride a Harley-Davidson or Indian, your intake system plays a crucial role in the performance of your motorcycle. It's Right Here Inside. It only does it in 5th gear so guessing it’s a transmission problem not clutch. The result was front and rear cylinders no combustion. May 20, 2013 · The cams that were install were S&S 510G camshaft kit. Last week when i was on the home stretch it started bogging out and popping very loudly and I barely got it home by riding the clutch and giving it slight throttle. I've tried a Yost Power Tube and that didn't cure the problem. if you catch it in time you can grab the clutch and feather the throttle and it will clear back up but if you ever let it cut off it takes a little bit to get it started back up. Has had the regular, always on time maintenance. Although it doesn't always happen only 50% of the time. Any ideas? Mechanic's Assistant: HONDA SUZUKI YAMAHA KAWAZAKI HARLEY DAVIDSON BOMBARDIE CERTFIED. Keep reading to see some of the causes of a backfiring Harley-Davidson. Customer: Harley Davidson wide glide, shovel, 1983 Mechanic's Assistant: May 28, 2007 · It does not happen when accelerating hard, under heavy load, or on decel, and is less noticable (or not at all) when the engine is hot. Mar 9, 2023 · Suppose your Harley’s fuel tank filter is blocked by coagulated fuel, moisture, dirt, or corrosion from your tank walls. Come join the discussion Mar 2, 2014 · the only code they pulled was the air mass sensor- $300 later still does the same - acceleration is better in low gears, seems when ur in high gear and stomp pedal, it wont downshift and accelerate- like going into passing mode- sport mode is fine, also traveling around 40mph the rpm fluctuate- up and down . I took the bike to my local shop get the fuel pump cleaned and the fuel tank. 4 3V A while ago my truck was slightly missing and I decided to put a Gryphon tuner on it to see if it would alleviate the issue. in regular mode When I throttle it open, it bogs down and dies. I was told it was the ignition but I replaced that with an MSD 6A and it still does Jul 26, 2015 · Back when I was getting my 1098 dyno'd. Runs better at higher altitudes - AFR becomes normalized due to reduced atmospheric pressure allowing fuel into the venturi easier. I have an Evo (stock) with a Dyna 2000 programmable ingnition and Vance and Hines Long Shots. Exhaust system restrictions can affect a motorcycle’s acceleration by reducing the engine’s power output. Gas mileage has seem to be crappy also. I have a 97 Suburban 5. Trying to figure out what’s wrong is what I’m trying to do here. Jul 23, 2016 · The reported symptoms might result from fuel starvation due to inadequate fuel tank venting. Sounds great at idle. These quotes below are from another thread. This can happen for one of several reasons. Amazon Affiliate Link To Gumout 800002230 Carb and Choke Cleaner, 16 oz:https://amzn. was just wondering what I should look for, bike only has 2100 miles on it. It's friggin' weird and the fp3 and high air flow filter isn't fixing it Jun 13, 2016 · I have a 1974 shovelhead. The reason behind that is that the motorcycle is set at an advanced gear than required. Noise? 2011 harley Davidson FLHTCU. May 7, 2024 · If your fuel-injected bike is bogging down on acceleration, try the following methods to fix it: Clean your fuel injector: Dirt in gasoline or tank clogs the fuel injector nozzles, which causes bogging issues on acceleration. Jan 29, 2020 · After about a week of riding, noticed that when shifting into gears and trying to accelerate in 5,000+RPM range, beyond half throttle, the bike would bog down or sputter and would not accelerate unless I let off throttle (mid way) and slowly try to accelerate - sputtering the whole time - topping out at around 40-50 mph in 3rd-6th gears. Like I said, it spits and sputters on acceleration. Didn't get too much riding in the following year. 73LS 03 Turbo Assy, 4" Roush SS Turbo-Back EGR Up-pipe mod, Rear Fuel X-Over, Custom Front Fuel Lines, ARP Studs Kenwood DNX-7100 Nav System, Autometer Ultra Lite guages, Edge Evo 2 (for guages) DR Leveling kit, DR Shocks, 08 Rear Diff Cover, Access Bed Cover May 8, 2011 · also while riding bike it just seams to shut off for like 1-2 seconds no power whatsever and then begins to accelerate again bucks like a bronco the fuel isnt old try to ride this morning to work, i went and got some fuel and same problem. Proper carburetor maintenance; Check for vacuum leaks; Improve timing advance; It’s important to keep your motorcycle acceleration smooth and bog-free. Come join the discussion about performance, builds, accessories, mods,specs, troubleshooting, maintenance, and more! Jul 13, 2014 · Test ran good - but after 10 mins of highway speed, exited, and re-entered the highway - the hesitation continues on acceleration. 05 Zx6r bogging down on acceleration. But after a while, it will suddenly lose power (bog down) and start dropping speed down to 65. Under warranty, thank God. I tried accelerating passed 4k rpm again and that's when the surging happened it seems. 2 has been nuttered new plugs, wires, distributor, coil, has a weber 32/36 dgav. My bike runs great while riding around town in the streets. It will bog anywhere from 3 to about 8 times each time I go through a gear. Ride on! Aug 19, 2014 · The factory then had a firm from Chicago call me to tell me to call the Harley customer service line. It would clunk on acceleration and deceleration. This is most commonly described as a sputtering on acceleration. Jump to Latest 2014 Harley Street bob, 103CI, stage 1, six speed, + more 2000 ECSB 2500 RIP. The trouble spots for a motorcycle engine bogging down when accelerating include: Air filter; Fuel and fuel delivery system; Cooling system; Exhaust; Spark plug; Engine; Clutch; Let’s deep dive into these problem areas and how to address them. Fuel mixture May 8, 2022 · 1) When I WOT the car bogs down and doesn't want to accelerate. It’s not really a single cylinder problem. With its large displacement and high-performance capabilities, this engine has been a top choice for many riders. Spark plugs are clean - No residue. I have an 07 nightster with s&s stealth intake, low brow customs 2 into 1 exhaust, and an fp3. We Only Needed to Change The Pilot Jet. Therefore, the acceleration will bog, and you will feel like pushing the bike with an additional force. The dyno guy tried everything, but couldn't figure it. Harley-Davidson & Motorsports Dealership Professional. My 2011 with 53000 mi. Jun 25, 2024 · If backfiring happens during acceleration, the cause could be different from backfiring during deceleration. Aug 29, 2010 · There are two check valves in the accelerator pump circuit. 1. Rick "Superman" Doolin 1970-2014. The other day I was out for a ride for about an hour and I was cruising down the highway when suddenly, the engine started bogging down, losing power but not dying. can someone please tell me how to fix this and whats wrong with it thanks. Lean Bog – Occurs when the engine has too much air and not enough fuel. Harley Davidson wide glide, shovel, 1983. This is a common problem with carburated motorcycles that affects some of the DragStar models. The intake manifold gasket blew out at the rear, causing the truck to backfire through the carburetor. 5/460) - 1996 f-350 bogging down on acceleration now stalling - Box Truck 1996 F-350 Uhaul (dually) 7. It is still rideable but sometimes when it happens it is always at the wrong time. Harley Davidson Certified Technician. Soft acceleration (10%)is livable, but any more (20-50%) throttle and she stumbles / hesitates. The bike is an 05 Road King with a 95", S&S 570G cam, SE performance heads, SE flat top pistons, Fueling oil pump and lifters and SERT. In that case, your motorcycle will keep stalling due to the lean air/fuel ratio caused by the impaired fuel flow. The engine requires an optimal level of fuel mixed with air to work. I was driving it one day went about 20 miles came home and was leaving again was at stop sign and I go to give it gas and it just sputters and started to barely idle I pushed it home. Normally I'd be at 100ish mph before I had the throttle fully open, so testing this circuit can be Sep 6, 2014 · The TPS has to be calibrated to the throttle plate position, there are 2 ways, one takes a scanner, which most do not have, the second, not quite as accurate method uses a volt/ohms meter connected to the TPS, I don't remember the specs, but it's in the manual. Jul 5, 2009 · I recently bought a Fatboy from a local Harley Davidson dealer with around 20k miles. I replaced the intake gasket and had full throttle the motor quits accelerating then bogs down and slows. Insulator may be white. I'm wondering if anyone else had this issue. This occurs in any gear and from what I can tell at around 3k. 9M posts 108K members Since 2006 A forum community dedicated to all Harley-Davidson model owners and enthusiasts. Insufficient Fuel Availability. Floated out. Does this sound like a plug issue or carb??? Any help would be appreciated! Sep 23, 2015 · A forum community dedicated to all Harley-Davidson Road Glide owners and enthusiasts. I noticed one time I went to pull onto a highway and it just stopped, I had to roll the bike backwards off the road, however, I started it again and rode with no Apr 30, 2002 · 1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks - 351w bogging and stalling on acceleration - I have an 84 F150 2 wheel drive C6 351w and it bogs out on acceleration. Mar 19, 2009 · A forum community dedicated to all Harley-Davidson model owners and enthusiasts. Feb 16, 2016 · A forum community dedicated to all Harley-Davidson model owners and enthusiasts. This can be caused by a number of issues, including a clogged air filter, incorrect carburetor settings, or a faulty fuel pump. Edit: (The bike was cold flat out 😂 Manual said 30-60 seconds warmup) Apr 10, 2015 · Explorer, Sport Trac, Mountaineer & Aviator - Explorer running poorly and bogging down during acceleration - 94 explorer, just swapped in a m5od transmission. I just recently re-jetted the carb and replaced all of the diaphragms. ) May 15, 2018 · 2004 Harley sportster 883 “backfire with loss of power when accelerating” Jump to Latest 8. Come join the discussion about performance, modifications, troubleshooting, builds, maintenance, classifieds and more! Show Less Jan 6, 2004 · One of the most common problems that customers complain about is the spit-cough-pop from the carburetor as a Harley goes from idle to ¼ throttle. It only does it when starting from the stop, or cruising and giving it more throttle. I do not lose any electrical power nor does the engine cut off, it simply feels like a bike with no baffles on a hot humid day with loss of back pressure. Nov 22, 2004 · When snapping the throttle to wide open the carb hesitates and bogs. Sep 15, 2013 · Bike was running fine, but recently it has started to bog under heavy acceleration, and sometimes not so heavy acceleration. (MOST VALUABLE TECH) 1997-99. If either one is is hung due to dirt you will have stumble on acceleration. Oct 19, 2023 · Backfire on deceleration or acceleration on a Harley Davidson is due to the burning of excess fuel in the carburetor’s intake port. Try this test: Shoot starting fluid into the cold cylinder though the carb. Dec 11, 2023 · Your Harley Is Backfiring On Acceleration. This “bogging down” often decreases the expected speed when someone uses more throttle. The spark plugs were only one year old used less than 9000 km. Backfiring during acceleration typically signifies air in the intake system of a Harley Davidson. Sportster bog. New to Harley’s. Those Harley Davidson 6R10. My issue is when accelerating from a stop, it sputters, bucks, and back fires. 00 grand worth of Harley accessories on it. Kawasaki zx6r. 6) Over-drilled slide port. If you have the Harley CV carb, the accel pump is on the bowl, should see I think it's 3 screws on a round area that holds a round flat-ish piece on the bottom, pull those and there's a spring and diaphragm. I left it cool down for a few hours and it ran fine until it warmed up after about 2 miles then started cutting out again. it will start up just fine and if you give it more than half throttle it will spit and sputter and backfire then just die. The truck starts up and runs, but it boggs down at high rpms. It’s very powerful up to 3800 rpm. If it's starving for fuel it should bog if you ride up a steep hill at moderate rpm (even more if you're two up). I did have Harley Davidson run a diagnosis because of engine light coming on and off. That's an indication that it's rich. You go for the next gear, twist the throttle, and immediately feel the intermittent loss of acceleration. It sounds like the engine is missing. Engine Bogs Under Acceleration. On the underside of the slide there is an offset hole used to displace vacuum/air as the slide moves up and down. Aug 25, 2003 · Detonation (pinging) under acceleration Jump to Latest 5. If I hammer the throttle through 3k it runs fine. Q: Can I fix carburetor hesitation on acceleration myself? A: Yes, you can fix carburetor hesitation on acceleration yourself with the proper tools and knowledge. These tunin Sep 5, 2015 · Okay guys I really need help. Jul 31, 2021 · A Harley CV carb’s float level is changed by carefully twisting the metallic tab that emerges from the float and rests on the float needle plunger. Sep 12, 2020 · There are different ways to avoid motorcycle bogging on acceleration. Mar 6, 2024 · Your Harley may be bogging down during acceleration due to a dirty air filter, clogged fuel injectors, a faulty spark plug, or an issue with the fuel quality. But what causes a motorcycle to bog down at full throttle? Apr 10, 2018 · It won’t throttle up in neutral anymore an feels like it’s running rich now I’ve taken the air filter off and it’s shooting fuel in when you crack the throttle the slide moves up and down all the vacuum lines are hooked up I don’t see any issues but no break in procedure was performed but the clutch feels like it’s grabing and disengaging fine Dec 20, 2023 · Aim for a small amount of free play in the cable, about 2-3 mm, to improve your acceleration and prevent further throttle response problems from bogging your acceleration down. Tour Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Mar 23, 2023 · I recently installed a screaming eagle stage III kit into my 06 Electra glide. A lean air or fuel mixture from the carburetor of a Harley Davidson results from drastic changes in the pressure. which is weird since the bike runs. Bike runs fine until about a mile or 2 then it starts cutting out and misfiring. Engine "Bogging" down randomly . brute force 4x4 2006 backfires thru carbs during acceleration. In the end, I replaced the spark plugs and the problem disappeared. May 23, 2023 · -1991 Harley Sportster 883 XL-2000 Yamaha XV125 I had a hard to start issue and a slight bog down problem on acceleration and it was a vaccum hose i forgot to Jun 26, 2020 · Seemed to be going well for a few days then all of a sudden, it started to bog under acceleration infrequently. Over the past month i noticed right after i start it up even after already riding it, it will backfire more often than in the past. the bike runs great but if you roll the throttle all the way on it bogs. Once the bike gets hot it starts bogging really badly. It was until his assistant was standing in front of my bike, that he noticed the rubber boots on the end of my ram air tubes were being sucked in and restricting air flow. 3K views 5 replies 6 participants last post by Hillsidecycleco May 23, 2018 May 9, 2018 · My harley does it now it hesitates bucks and pops on decel. was told that these cams were just a direct bolt in designed for stock heads. If not already done, would test ride with the fuel tank cap ajar (i. Not sure on tune. This is quite similar to the above type and can result in a similar heavy feeling. Bike is totally stock, no mods. Jan 15, 2013 · Hi guys, so I just bought a 2006 883 with 8500 miles on it. Grabbing a new vacu gauge from HF (to retest) and a can of brake cleaner. In an effort to cure this ailment, i found the carb tuning guide at the S&S website, and went through the steps Aug 1, 2008 · I have a 2004 Sportster 883C with 1200 kit. Not however for a v and h air clea Mar 1, 2023 · Over-revved as in “hit the rev limiter”. Apr 29, 2022 · So, some of you may remember my issues with acceleration (where it would bog, and almost stall out) Well, this new issue is completely different. , not snapped down), which assures ample venting, and to rule out inadequate fuel tank venting as a possible cause of the bogging when accelerating. to/2JASxEr Nov 20, 2010 · Got a 2007 50 HP TLR 2-stroke that recently started bogging down when I accelerate from idle. My plug is lightly oily and black. Steve: I know Jul 21, 2015 · 2004 - 2008 Ford F150 - Harley needs Help!!! bogging on acceleration and missing - My Dilema for 2006 Ford F150 Harley Davidson 5. I paid $21,000. It Oct 8, 2011 · i got a 05 raptor 350. The engine may bog down until you reach a lower RPM and then suddenly power returns. Tuning a Edelbrock AVS2 carburetor . Oct 11, 2022 · I had new cams and Screamin' Eagle cam chest installed. Discussion in 'Airheads' started by sam906, Apr 23, 2017. The idle is a little rough and as I stay at a constant speed the bike starts to chug and Nov 24, 2014 · Okay I will try to get all the info in one shot. Jun 19, 2012 · So the check engine light came on again while accelerating right around 4k rpm. :bowtie: Save Share Oct 19, 2023 · 1. 6K views 18 replies 4 participants last post by 76Paw Aug 29, 2016 Aug 22, 2003 · Not sure if this is the right forum section to post this in, so here goes. The are some posts about the 7. 0, 2014 Focus 5 spd manual,1974 Maverick Grabber, 1986 Thunderbird Elan 5. Recently changed sparkplug wire since it was worn, but did not resolve anything. Welcome to /r/Dirtbikes! If you ride on two wheels off-road, then this is the sub for you! Please read the rules before participating. Specialities include: eBay Rattling/pinging noise when accelerating 2007 Harley Davidson Road Glide motorcycle. Mar 18, 2010 · Harley Davidson Forums. 1/370, 7. Bike cuts out when giving it throttle and backfires at times. Unfortunately, I get it home and drive it for the first time and it bogs down and doesn’t have much power when driving. urpg imiu uoijsdp vmhnfz zmyed qebqdgbz omi kzm hew gffhqmt