Motorcycle sputters at full throttle. once the bike gets going faster in 3rd gear it runs fine.

Motorcycle sputters at full throttle About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Yes the gas was a little old but not like a year old. Very low power, and feeling like something was way off, so I don't push it much. I have a 1995 Honda Shadow 1100 C2. When I open the throttle (clutch engaged or not) it has a 50/50 chance of bogging and acting like Mar 28, 2011 · yea last time i rode it it ran fine now it pops and sputters at full throttle. Your bike can sputter for one or more reasons. It’s not really a single cylinder problem. . My bike sputters at half throttle/full throttle. My issue is: If I pull full throttle, the scooter immediately bogs down and begins to de-accelerate and I cannot get the bike past ~40 MPH. 12 Dec 9, 2022 · Motorcycle sputtering is characterized by intermittent power loss when you shift to the next gear and try to twist the throttle hard in acceleration. Specs; 2016; Ducati; Standard; 2016 Ducati Scrambler Full Throttle. The mixture screw is Who did the carb cleaning and tuning? If you are slowly rolling on the throttle, know that there are 3 basic sections that add fuel as you do; the pilot circuit, which is basically idle and barely above idle, (chopped throttle) the needle and needle jet circuit, which takes over at slightly open throttle to 3/4 and above throttle and the main jet for wide open throttle (WOT) The bike is a 2009 lifan gy5. 3787 posts · Joined 2007 Add to quote; Only show this Ducati single cylinder motorcycle questions and discussions, all models. The bike is cutting out when I roll on the throttle hard or when the RPM's get in the upper range. The Common Causes of Motorcycle Engine Dies When Throttle I totaly forgot that my camera is on and this is what was cought on 'tape'. The sync wasn't off by much. Could I have possible put to much gas in the tank or did I get some bad gas. Bike idles fine, accelerates descent, but where I've noticed the biggest problem is when I'm cruising down the road in any gear really, but more noticeable in 4th or 5th gear. orangemug Discussion starter. 2,474 Satisfied Customers. MMI grad. It still hesitates, throttle not very responsive (can't romp on the throttle or it dies), but I can ease up to full throttle especially once warm. But when I get up around 7000 or 7500 rpm, the power starts to cut out sporadically, and it just has this real sputtering feel to it, and I can't get it to accelerate to anything higher than 8000 rpm. If I creep up on those high rpms it's fine. Although I don't know much about fuel injection on Harleys (H-D will not Oct 30, 2024 · Sputters at 0 to 1/8 throttle. The sputtering is hard to explain the only thing that I can compare it to is its like in a manual car, when you put it in gear with not enough gas, it rocks jerks back and forth until coming to speed. 27. A forum community dedicated to Kawasaki Motorcycle owners and enthusiasts. Aug 4, 2010 · But after a while, it will suddenly lose power (bog down) and start dropping speed down to 65. Runs great from there up. 2021. I have a 2004 kawasaki prairie 360 4x4 and it doesnt want to. I cleaned the air filter and have just rebuilt the carb and installed a dynojet stage 2 jet kit while I had it apart. We use cookies to give you the best possible experience on our website. I pulled the carb again, rebuilt the mid-body, ultrasonic cleaned it and put a smaller pilot jet in (went from 45 to 42. FYI--1982 KZ1000 Aug 16, 2006 · PW50 sputters at full throttle : Danny said 2006-08-16 20:02 : OK, I re-jetted till I was blue in the face, decarbonized the exhaust and exhaust port, checked the reeds, used 5 different plugs, cleaned the carb several times, clewaned the air filter, changed the spark plug cap, checked resistance on all the electrics, per the manual, and I´m still at square one. Search Fixya Jun 01, 2011 • Yamaha FJR 1300 Motorcycles. it sputters up to 35 then it sputters hard and hits to about 42-43 ive cleaned the carb changed the fuel filter, and cleaned the fuel pump. Air. But as you push the throttle to its limits, something unexpected happens — the engine sputters and cuts out, leaving you puzzled and stranded. 0 helpful. it is a kawasaki W650, which I read has a reputation for being cold blooded, which I thought meant hard to start in the cold mornings. Easy fixes include Jul 17, 2015 · 91 vlx 600 engine sputters at half throttle and losses all power at full throttle. Could anyone point me in the right direction? I've gone through the carb plenty. " I noticed that when I really twist the throttle WFO the engine sputters. so i have this correct, it is fine from idle to 1/2 throttle and sputters at 1/2 throttle on? 20 yrs. double diamond Posts: 557 Joined: Thu Apr 28, 2011 1:20 am. Starts fine, runs great up to about 20 mph, then sputters. R. By chatting and providing personal info, you understand and agree to our Professional motorcycle mechanic since 1978. Since i did all of this the bike now idles fine and starts right up but anytime i apply throttle it sputters from the carb and dies. loss of power at full throttle. Over-revved as in “hit the rev limiter”. There are two common types of bogging: lean bog and rich bog, distinguishable by how the bike sounds when you throttle. I will say that it does seem to improve with the 2 rides I've taken on it the past week. Pilot Circuit - small effect on idle. i put and fmf powerbomb header on it. The Amount the throttle is opened defines which circuit you are using not rpm. If you are slowly rolling on the throttle, know that there are 3 basic sections that add fuel as you do; the pilot circuit, which is basically idle and barely above idle, (chopped throttle) the needle and needle jet circuit, which takes over at slightly open throttle to 3/4 and above throttle and the main jet for wide open throttle (WOT) It could be valve timing, ignition timing, Now when I ride it, all seems fine, until I ride on the freeway and give it 2/4 to 3/4 throttle. 2007 660 special edition Rhino craft cdi unit. yes the gas is new. It controls how much AIR you input. The problem is that it seems like no matter how long I leave it warming up for, the bike sputters and wants to die when I give it throttle. I am having issues with my XR650L. 5 posts · Joined 2014 Add to quote; Only show this user #1 · Aug 21, 2014. 7 years experience in Honda, Suzuki, Yamaha, as service manager and tech. Next go for a complete second turn. I also did have a lot of black soot in my exhaust, like an excessive amount. A forum community dedicated to Kawasaki Vulcan motorcycle owners and enthusiasts. We’ll take a look at some common causes for motorcycle engine dies when throttle applied, and provide some simple diagnostic steps to identify and fix the issue. The bike has a FMF 4. Then, after few raises to the throttle, the engine works properly. You could look at Topper wrote: I'm getting a lot of sputtering and misfires under hard acceleration in the 6-7k rpm range. Its a Pro Circuit silencer, but oddly enough, it's not dripping out the end or from My kawasaki prairie 360 sputters at full throttleit idles and runs fine otherwise. Since the pilot is like 0-1/4 throttle openings im thinking that something must be going on there. It the gas is bad, should I siphon it out or just add something to remove water and such. It's even hard to go slow in 1st cause the bike cuts out thn picks back at random. 27 kohler sputters at full throttle. 2002 Polaris sportsman 400 bogs and sputters when giving it gas coil spark plug stator and housing carb cdi box and fuel pump I replaced cam and rocker arms and checked wiring and throttle cable it will idle fine now and start easy but will hick up while idling if you give it gas 1/4 to half it bogs 3/4 to full it sputter out exhaust and Jun 23, 2013 · I just bought a 2011 Ninja 250r and it bogs down at 3/4 to full throttle. Floated out. Put everything back together and the pop and sputter is back at low throttle. If I cruise like a good boy, I can ride clear across town. Come join the discussion about performance, modifications, Vulcan 1500, Vulcan 2000, Vulcan 500, Vulcan 1600, Vulcan 900 and all other Vulcan Kawasaki Motorcycle Forums. I will give it full throttle, but the bike will keep dropping speed or just hold the speed at ~65mph. 5 cans Seafoam in full gas tank--- existing gas Hooked up alternative gas tank w/ new gas ---no change (NC) New plug---NC New plug carbons up, but not severely, after running Cleaned carb & jets x 3 --- NC Float and valve look fine Plenty gas from fuel pump Compression checks out okay Around 6. in the event of an aftermarket cam, or even an exceptionally worn cam the intake valves are closing too late and when the engine fires its forcing oil, fuel mixture back through the carb. I actually hoped it would be. Why does my motorcycle sputter when I give it Blows white smoke, sputters throughout the throttle, intermittent throttle when idling, and it backfires. If you notice a loss of power or a slow response when you twist the throttle, it could be an issue with the throttle body. I spent a full week trying to figure it out and finally got it There is a little 6 days ago · Motorcycle carbs have a few circuits that effect different throttle positions. MSRP. Car Specialist. There isn't really any way to test the needle other than by feel, but it's usually quite obvious when it's right or wrong. A forum community dedicated to all Kawasaki motorcycles including the ZX-6R, KLR 650, Ninja 250, Ninja 250R, and Vulcan. When I am driving about 50mph or so after 5 minutes, my bike begins to sputter if I ease off the throttle and will pick back up with full throttle. Search Fixya. Welcome to the Ender 3 community, a specialized subreddit for all users of the Ender 3 3D printer. It feels like I'm hitting rev limiter (complete loss of power and starts There may be a solution, but every slide carburetor equipped motorcycle I've ever owned would stumble if I whacked the throttle open. when the throttle is almost full there is no sputtering. 1 answer. anyone got any ideas what it could be? it gots like 30 hours on it . I release the throttle and apply again which usually helps alleviate it temporarly. Motorcycle Mechanic: Doug E. and it sputters at full throttle . Standard . Higher effect at lower RPM's with decreasing effect to full throttle. Harley Davidson Pan America Forum 2007 Yamaha vino 125 sputters at full throttle. Once I get up to speed I can turn the choke off and its much better. Start off with full turns. 2 weeks ago, it wouldn't idle. If im on or off the gas its fine, but if im just crusing along to hold a constant speed it runs horribly. To check your spark plugs, Aug 22, 2009 · I own a 1995 LS650, for some reason at random times when I am accelerating (in any gear) the engine kinda lags out or 'sputters' and is unresponsive when I apply extra throttle. 1 mega bomb but the rest of the motor is stock. Throttle Response and Throttle Body. Browse Categories Most fuel injected motorcycles do start up in a "fast idle" mode. To me it would be good to know when the bogging started,suddenly or slowly. A friend here at work had me run an experiment: While going down the road and experiencing this sputtering or slight cutting out, I started cracking the Sputters from 1/2 to full throttle. It sputters really bad when I just give it a little bit of throttle. Come join the discussion about performance Customer: 2012 prairie 360 4wd sputters at full throttle but when I take the filter off and leave the lid the air filter box off, it’s runs great Mechanic's Assistant: 20 yrs. Post by JimF » Thu Motorcycle Repair, Building, and Restoration . It starts and runs, but spits and sputters often when you ride it, or when you shake the bike side to side. The most common reasons are carburetor issues such as a vacuum leak, fuel leak, or tuning issues. The easiest way to test it is to do a throttle-chop test. Knowing how far your throttle is open when the sputtering starts gives an indication of what fuel circuit is having the problem. When in first gear at very low cruising speed, in gear 1, clutch fully out, the bike sputters. I pulled the pipe off, and replaced it with an FMF one, and then I went out to ride it. O. 3,975 Satisfied Customers. It has the stock exhaust but the muffle has been hollowed out. Come join the discussion about performance, modifications, troubleshooting, maintenance, off-road, touring, street bikes, and more! Show Less . If you try to revv the throttle when it's sputtering, po read more Same with tooling around at 40 in 3rd. " If I open the throttle full the engine sputters. RCW. The bike spits and sputters with any throttle while in gear, usually starts and idles fine. Nov 28, 2006 · i was out riding my bike (96 cr125) this weekend for the first time and i noticed if i just riding on a road to get to a trail the engine sputters at constant throttle. doesn't matter if I'm quarter throttle or mid throttle the bike will start sputtering, and when I get back on the throttle the bike goes and 2005 MS sputters when I give it roll on the throttle. I have replaced the spark plugs, replaced the fuel and the bike starts right up with the choke out, then after a few I can push the chock in and it will idle. On road or stationary. there is plenty of gas in the tank. Can someone help? Jul 12, 2010 · 05 lt-z400 stuttering and back fire at full throttle Ok guys I hope this helps . The motorcycle currently has K&N air filter, Harley Dyna mufflers with the center thing punched out, new NGK spark plugs, and that's about it. But if I whack it open, it accelerates fast and smooth. (Either literally in the case of carbs via venturi or by ECU in Injection. Really off-rhythm sounding. Ducati single cylinder motorcycle-related content only! Email subscription available. It starts fine. I have a 1989 240 volvo station wagon. 4. But if I climb the engine revs using moderate throttle twist there is no hesitation. I can go wide open with it and it's fine, rolling from 1/2 to full throttle is fine, but rolling the throttle from idle to 1/4 it pops, stutters, and whines. Fuel handles itself. Back in April, I bought a 2002 Vulcan 800 with 3200 miles on it. The other day when going slow in second gear the engine started to sputter, like it was not getting fuel. Bike runs great under acceleration but is rough cruising with minimal throttle. Can someone help? My bike sputters at half throttle/full throttle. Apr 29, 2024 · Yes, the bike smokes heavily and always has been, even after full engine rebuilds. Third, once the vacuum is matched at idle, you reduce the slack in the throttle cable, then slowly advance the throttle at the grip, watching for changes in vacuum. Jump to Latest I have a 2009 4010 Trans gas that runs fine if I give it a little throttle. You can hear what I am talking about 15 seconds into the attached audio file. If I floor it it spits and sputters and just about dies. If your motorcycle is sputtering during acceleration, it could be due to a number of reasons. Main Jet - Wide open. The brand new plug indicates too rich after that test 1. Moderator: Morpheus. dirt bike dave Sponsoring Member. Start the engine, and do a full Customer: it seems to start without any problems, but sputters out and dies when I shift into gear and then give it throttle Mechanic's Assistant: How old is the transmission? Have you noticed any leaking? Customer: it's a 40 year old bike, 1980 cb650. I noticed that the more I rode it the smother it got. Jump to Latest 2K views 3 replies 2 participants last post by orangemug Jan 4, 2005. SPECS · PICS · REVIEWS · RATING SPECS · PICS · RATING Menu. The pilot jet may be partially clogged if the motorcycle starts and idles but stalls as soon as you apply the throttle. Burton686 Discussion starter. so the last few weeks my bike has been cutting out over 8-9k if i give it full throttle. 2024. General Motorcycle Related New to the Community Touring General Discussions Sportster General Discussions This can lead to the symptom of your two-stroke engine dying at full throttle. I have a 27hp vertical shaft kohler command on a husqvarna zero turn that sputters under load at full throttle. net is the leading motorcycle forum for news, specs, reviews If you have the carbs off the bike then operate the throttle mechanism to open the throttle flaps/butterflies. 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 Technical Discussion - Sputter at full throttle - Ok, hope someone can point me in the right direction. It doesn’t die at idle but when I try to give her gas she sputters. Imagine you're revving up your trusty 2-stroke engine, ready for an Idle circuit, Pilot or low throttle circuit (up to maybe 1/8 open) and the main circuit/needle (1/8 to WOT). I've had the problem for a while, it's starting to give me headaches, the problem only happens when I accelerate at half throttle(6k-7k rpm) to try to maintain a constant speed the bike seems to lose power and it doesn't matter how much i Dec 12, 2003 · Vinny-I'm a rookie on jetting so take this with a grain of salt. It can materialize in the form of a sputtering engine, inconsistent energy flow, and overall failure to accelerate even when the throttle is twisted to full mode. Amazon Affiliate Link To Gumout 800002230 Carb and Choke Cleaner, 16 oz:https://amzn. Kawasaki ATV and Mule bayou 300 cuts out when throttling then just one day it wants to cut out when given full throttle. 1986 Vt1100C Honda Shadow stalls when opening the throttle. With the new fuel setup and clean carbs and new gas, I rode it twice, for about a half hour each time, after warming up, and it ran beautifully, all through the throttle range. I posted a few weeks back about sputtering due to too much oil in my air filter elements. I'm Austin, a motorcycle enthusiast, a lifelong rider, and I occasionally make YouTube videos. I'm clueless as to what may be the issue. And by bog I mean an abnormal amount, like if I’m not easing up like a grandma, the thing dies like I hit the kill switch. Can restart after it sits for 15mins, but confirmed it repeating. Expert. just changed the air filter. Experienced and Licensed Motorcycle Mechanic - all sizes and brands welcome. I equate the last 1/4 turn to mean "main jet. and create the stutter when you’re chomping down on your throttle. Sputters, backfire thru intake and throttle kills it, just started tbis morning. Jan 3, 2005 · full throttle sputter. 5 kg per ml squared (I think that's the correct I have a rm 125- 2 stroke dirt bike, that when you give it full throttle, sputters and loses power. Even when I roll on the throttle slowly, it smooths out and goes away. Specs Photos & Videos Compare. I’ve repeated this “condition” at all mixtures. Lean Bog – Happens when there’s too much air and not enough fuel in the engine. Mechanic's Assistant chat. My 05 Suzuki ltz 400 all of a sudden started sputtering and back fireing at full throttle . the fuel cap is on open. I know what the issue is, the petcock is not shooting enough gas into the carburetor, I have tested this by directly connecting the fuel line from the gas tank into the carb, and bypassing the petcock. but I am still sputtering a little bit lately. Look in and up. Idle is perfect, smooth, no issue. Why does my 2005 kawasaki Motorcycle bogging is any type of interruption that prevents you from accelerating smoothly. It then sputters after a few seconds and struggles to keep up. Just emptied gas tank, fresh gas and seafoam in now. Customer: i have a rm 125- 2 stroke dirt bike, that when you give it full throttle, sputters and loses power. would this affect the By chatting and I can't get it to full throttle anymore. Explore Our Forums. Any help is greatly appreciated! In gasoline engines, your throttle doesn't control how much fuel you input. If I open the throttle slowly it does ok, although it sometimes feels a tiny bit hesitant in lower rpm:s. 2009. May 17, 2017 · My 1998 XR650l is sputtering when I open the throttle fully from low rpm:s. When the bike cools down you should be able to drop the bowl off the carburetor without removing the carb. Problem: A couple weeks ago I took the tank off to adjust my throttle cable and check/ clean spark plugs. There is also lot of oil leaking out of the exhaust. It was still having low throttle, 0 to 1/8-1/4, issues, sputtering/hesitating and backfiring on deceleration. could this be a jetting problem? - Honda 1991 VT 600 C Shadow question. 🔧 Motorcycle Repair 🔧. B. You will see 1 hole from the air mix screw and behind that 3 tiny holes just where the throttle flap would close. I know it has something to do with the carb/jetting but not the specifics. 12. Max speed is Honda and Kawasaki Motorcycle, ATV, MUV, KLX, CR/CRF certified. Too much throttle and it stalls altogether. itself. I cleaned Typically with most pit bikes, the problem is going to be with the spark plug or the carburetor; with the fuel system being the primary culprit. my motorcycle its a kawasaki ninja 300 2 cylinder FI, mods on it, just headlights it only have 10 k miles on it. How it works. MotorcycleForums. So with your screw driver on the screw do one complete turn and count ‘1’. ok! took carb apart cleaned it spotless adjusted air screw adjusted valves tightend cam chain disconnected kickstand switch still does it I guess with the new cdi in it it might be in the stator unit or coils very frustrating!!!! once again idles great give it about half throttle spits sputters stumbles crack it wide open runs fine when driving down road take is good ley off Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. I have been riding it for a while and it was running great. Can you provide more details about the issues? Does the engine hesitate or sputter when you throttle up, or does it completely stall? Hey recently my rhino started sputtering at full throttle. The guy I bought it from had just paid the dealer in Anchorage, Alaska $500 for a full service and tune up, yet it started this dying problem. It seems to idle ok once warmed up. Forum rules. The diaphragms were not compatible with modern fuels until after 2007, so early ones tend to be damaged quite easily if a carburetor is removed and turned upside down with fuel still in the My bike would sputter like it was choking between 6k rpms and all the way up, but if i pin the throttle wide open itll pull and go like it should. Rating #1 of 14 Ducati Standard Normaly it rides perfectly smooth. When it reaches max rpm's it cuts out continuously for about half a second at a time. Moderator: ajleone. If I hold 3/4 to full throttle, it sputters at first, then after a few seconds it will just "catch" and the rmps will go up. Jun 9, 2016 · It also has a new filter in-line and a near-full tank of fresh gas. Right from the beginning, the bike had a little sputter/hiccup that usually occurred at low rpms - think cruising mode. and it starts sputtering, so I have to accelerate even MORE to get out of that SPUTTER ZONE, or roll of a little throttle, which is already at very little throttle input, so I have I have a 2000 yamaha beartracker. $10,495. Senior Mechanic & Technician. 136 Satisfied Customers. Eric. The miss was before AND after the new plugs. cant figure out whats causing it. wtolkson. Not sure what I should do. Idle Circuit - for idle and off idle. A forum community dedicated to Kawasaki Vulcan 750 So I just had the same problem with my 2000 V Star 1100 Custom. there has been some gas coming out of the carb bowls after I ride, but only a few drops per night Mechanic's Assistant: What is the When I’m at low rpm and add throttle (just a little or alot) the engine falls off (sputters and chokes) for a second then runs better once I get up to higher RPM. Nothing was changed, I took off the carb and cleaned with seafoam. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have While kickstarting the motorcycle, the engine starts properly. Sort by Oldest first Oldest first Newest first Most reactions. I have a harley davidson motorcycle question, 2016 harley davidson street bob. Greetings from a fellow motorcycle enthousiast! UPDATE: I replaced the After much idling and some 1/4 to half throttle riding the plug is sooty black which indicates rich, but the severe bog when opening throttle would indicate lean. if i back it off it I went back and cleaned the carb, again, and checked the floats, again, and the needle is set on the middle notch and I can get it running ok. 15 posts · Joined 2009 Add to quote; Only show this user #1 · Aug 30, 2011. I replaced the fuel filter (which looked like it had been installed during WWII) and then ran it on full choke, trying to adjust the idle. Other culprits could include corroded or cracked spark plugs or spark plug wires, a Feb 12, 2024 · Motorcycle bogging down at full throttle is, unfortunately, a prevalent concern. This is my first "real" bike (I had a little Yamaha when I was a kid), so my motorcycle experience is pretty thin. It's the same when I roll on the throttle gently, the bike rocks like that and sputters When you close the throttle, the mixture tends to become lean. Butterflies only open 3/4. Trying to figure out what’s wrong is what I’m trying to do here. i have no belt sensor attached. 4. Now when I hit full throttle (no matter what gear) once it hits about 6k rpm, there is a Best Motorcycle Airbag Jackets EICMA 2024: Milan Motorcycle Show This Week's Motorcycle Gear Deals. Light Mode (Default) Dark Mode My bike sputters at half throttle/full throttle. The sudden interruption in acceleration not only compromises the riding experience but also poses a threat to safety. Top. The air filter was also clogged. it is fine at 0 -15 mph but as you accelerate from there at full throttle it sputters. Some days it runs just fine. There are different ways to avoid motorcycle bogging on acceleration. It never stumbles or cuts out on half choke. I would guess that they are running way too lean as mine also pops through the muffler on deceleration and the throttle is extremely sensitive. 2016 Ducati Scrambler Full Throttle pictures, prices, information, and specifications. I’ll look up how to do the air leak test. Example low rpm and go WOT, you go onto main circuit almost immediately. Then you can troubleshoot the components that affect that All it takes is getting some gasoline on that diaphragm to cause it to "bag" or develop pin holes, and then the main jet needle will not lift high enough to fuel at full throttle. Link to comment Share on other sites Motorcycle Jetting & Fuel Injection ; crf250 sputters and pops after half throttle Theme . Rick. Can someone help? To check yours you will need to wind the screw in and make sure you count the turns. Apr 18, 2022 · The common causes of 2 stroke bogging at full throttle include using the wrong gas mix, dirty or clogged air filters, damaged spark plugs or barrel gaskets, and damaged intake manifold gaskets. Noise? 2011 harley Davidson FLHTCU. After I put everything back together the bike started having problems at high rpms (8k and above). I've tried both a Jun 23, 2013 · I just bought a 2011 Ninja 250r and it bogs down at 3/4 to full throttle. What I've tried already: Bike is running great until I open the throttle upthen sputters and dies. Squeezed them out and it worked pretty well. Starts and idles no problem, but as soon as you get on the throttle it spits and sputters, kind of like it would be if lean. Most newer carburetors have a valve that increases the fuel when you let off the throttle, to help prevent after fire pops. A drop in temp increses oxegen content of the air,making a leaner conditon-increase air to fuel. If I give it more than a tiny amount of throttle it will stall. Car On half-choke, it runs great throughout the throttle range until it starts to get warm, then it idles a little rough and idles better on NO choke once it starts to warm up (5-10 minutes at 30 F degrees). 317 posts · Joined 2002 Add to quote; Only show this user #1 · Oct 3, 2006. Like I said, it spits and sputters on acceleration. Makes the throttle a little unpredictable if you know what I mean. Ask for help, 24/7. This “bogging down” So why is a motorcycle bogging down at full throttle: how to avoid it? The problem can occur from the carburetor, air filter, fuel pump, spark plugs, fuel injection issues, etc. At some point the screw would of been fully in and you may of managed 2 whole turns then a half turn on the third rotation. offroadranger6 Discussion starter. From mid rpm to high rpm, when I opened the throttle slowly Now when I ride it, all seems fine, until I ride on the freeway and give it 2/4 to 3/4 throttle. The primary culprit is the Oct 19, 2023 · Expertises: motorcycle, riding gear, harley-davidson / General Problems, Motorcycles / Last Updated: October 19, 2023. 512 posts My bike sputters at half throttle/full throttle. Motorcycle discussion forum. Leaning the mixture makes the problem worse. The problem is that I can't get it to run without sputtering now. If the bike sputters or sounds rough when giving it throttle, raise the clip (lowering the needle) until it runs cleanly. Fuel is metered through the main by the jet needle at 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. Vintage motorcycle restorer. Kawasaki ATV and Mule 4010 Trans sputters when accelerating. 6. the problem is likely NOT to be your carberator. Last is the main jet. I fueled up before we took of as a group, and low and behold, no sputtering. I cant get my 2007 Suzuki Boulevard to run good. Jump to Latest 44K views 25 replies 15 participants last post by hal Jul 13, 2024. Am I having jetting issues? Any suggestions? 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 There are several reasons why a motorcycle sputters. Sep 28, 2013 · My bike will cut out every time when I'm at full throttle and start to over rev. Within 30 seconds the bike will die and WILL NOT start without sitting still for about 2 or 3 When a dirt bike bogs, it simply means it’s not getting enough fuel and the engine sputters or stalls at full throttle. When the RPM reaches mid/high RPM:s it clears up runs clean and pulls strong. 4,064 Satisfied Customers. JimF Site Admin Posts: 1133 Joined: Fri Oct 23, 2009 2:49 am. This action provides an immediate and significant power boost, which can be crucial for achieving specific outcomes or maintaining motorcycle control. 11. Save Share Its main problem is right off idle. by Brand; by Year ; by Category My bike sputters at half throttle/full throttle : Jesse said 2017-04-23 17:55 My bike sputters run mid to late throttle. If it sat for a minute or 2, i can rev it up in neutral, until i put it in gear and get halfway up my short driveway. Dec 31, 2014 · Recently picked up a 2007 KX250 2 stroke and I've noticed it sputters really bad and acts as if it's going to cut out whenever the throttle is cracked, or cruising at a constant speed. If you didn't the bike would never accelerates fast as you want. at this Aug 20, 2012 · harley sputters at cruising speeds, but idles fine and goes great full throttle my bike has fuelie pipes on it with - Harley Davidson 2002 FXST Softail Standard question. With the bike fully warmed up, find a long straight, and install a fresh plug. What's done to the bike: Carburetor has a stage two jet kit, mid pipe + slip on exhaust. This seemed to help when I revved the engine in neutral, but as soon as I put it in 1st and try to go forward, it starts to sputter and cough, sounding like it's got a gimp in the engine or something. Shane Brackin. The pops can also come from fresh air being drawn back into an open exhaust, disturbing the exhaust extraction and causing any unburned fuel to ignite; leaking header seals My 2006 gsxr1000 sputters at wide open throttle in 3rd at 7000 rpm. On NO choke, if you can get it passed the mid throttle range, it will rev as high as you want. what is causing this. Maybe it's because of my small engine displacement(80cc) and It can't burn it, I don't know. My problem is when I'm driving on the roads in 5th gear. One thing more - the throttle cable should have lots of slack for this adjustment, so that it doesn't interfere with the idle cable. Jump to Latest 45K views 39 replies 10 participants last post by offroadranger6 Sep 21, 2011. FXDB, yes. 1,427 Satisfied Customers. 3/4 throttle is mainly controlled by the needle/slide. 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. I have a 2 stroke Honda cr 125 02’. to/2JASxEr 2008 model 3010 4x4 diesel Mule with the Army in Afghanistan – Mule is less than a year old. they are almost dry now it seems. replace engine temperature. The first step we recommend is to check the Dec 12, 2003 · My engine (03CRF450, stock jetting, 50 deg weather) kinda bogs or sputters at 3/4 to full throttle. The carburetor is working fine, which I recently checked. 1,530 Satisfied Customers. Browse bikes. Idle RPM seems a bit low, but it revvs quickly and smoothly once warmed up. Comprehensive guide with step-by-step troubleshooting and maintenance tips. RichardG. shawnt0216. I've cleaned the carburetor multiple Oct 10, 2010 · it sounds like blow back. I just got my mitsubishi 3000GT back from the garage for an exhaust repair & a The bike starts right up when cold and idles at full choke, does fine at half choke, and then after a min or 2 idles fine with no choke. Hi, I have a 2003 ktm sx 250 that sputters when I give it gas at low rpm. 200cc fml163. Found out to be my secondary butterfly's were not fully functioning correctly, changed the TPS for oem and it ran perfect. So, I'm not sure where to look next. S. The throttle response of your Harley Davidson is an important factor in determining the engine’s performance. I decided to replace the spark plugs first, Motorcycle Jetting & Fuel Injection ; Keihin Carb still sputtering/hesitating at low throttle, at wits' end and rebuilt the carb. D. 2023. Nov 26, 2018 · 2006 Prairie 360 stalls and sputters at about half throttle. Problably sand got into main jet in carburetor and bike lost power on full throtl I have an 08 kx450f and just had a new top end put in. Type. Checking spark plugs after letting the engine idle at full temperature for a minute or two (without touching the throttle) may give you a clue as to which problem you have. I just got my mitsubishi 3000GT back from the Rich bog - bleh bleh bleh bleh just sputters and doesnt clear out Lean bog - booooowaahhhhhhh So if you are riding along at middle rpm in 3rd gear, and whack the throttle full open, what happens? Does the bike just instantly bog, gradually work through the bog and then accellerate to high rpm? Or does it accellerate great until you get to high rpm, and then it A bog from idle is a lean condition not a rich condition ! if you crack the throttle hard from idle on a smoker and it goes baooooor and dies it is lean, the motor sucks a huge gob full of air and dies, if you replaced the carb with say a 30mm item it would never happen Standard response #1 was then followed by Standard response #2, "There's nothing we can do about it". Can someone help? Aug 1, 2012 · I can roll on my throttle and climb the RPMs up to 8K and beyond in any gear with the engine under load so long as I never get on the last quarter turn of the throttle. The main jet affects from 1/2 to full throttle. When I give it full throttle it picks up again and accelerates (not really fast, although I don't know how fast it should accelerate when I ride around 80 MPH). Time for new rings/head gasket? Save Share Reply Quote Like. If I open her up, she sounds like fuel is either flooding or sputtering and quits within a minute. or when i lug out bike in 6th gear it sputter - Answered by a verified Motorcycle Mechanic. scottishmaximus Discussion starter. 2,917 satisfied When I'm light on the throttle, or slowly accelerating, it breaks up pretty bad. For pit bikes with smaller cc displacement engines, in order for a cylinder to fire efficiently, three separate components must work together; the fuel delivery system (carburetor), the ignition coil Jun 15, 2013 · Well when riding everything goes smooth it idles fine and has plenty of power accept at full throttle, at full throttle she sputters and doesn't pick up any speed until I let up to about 3/4 throttle, what could be causing this? Sorry for rambling, just had to build up to it. it sputters on wide open throttle. Other days it sputters, low power build up to top speed (about 23mph), sometimes no throttle response at all from idle, for maybe as long as 10 seconds, then the engine will rev up and it will go. Its so bad that it wont rev up at all, just sputter sputter sputter. But it still sputters at 50mph or so with high throttle with spurts of accelerated congestion Above 70mph - it sounds like its purging for gasthats why i replaced the fuel pump. You should see a nice healthy of squirt of gas from the accelerator pump. This common issue plagues many 2-stroke enthusiasts, but fear not! Understanding why your 2-stroke engine fails at full throttle and knowing how to fix it can get you back on the road (or trail) in no Dec 30, 2024 · When the throttle is closed, the pilot jet feeds the fuel. I bought a 93 vlx 600 about a month ago and it was running great for 1000 miles. 4 now. ) Having been in the fire service -Tank was half full, right in the middle-Temperature outside was about 20 degrees Celsius, that's 68 degrees in freedom units but it was actually quite okay to drive for a while with just very tiny sputters when I cranked the throttle. I can let up on the accelerator and it goes back to running fine. I will be putting the carb back in tonight. My 98 SH got a new paint job when pulling it out of storage this year (stored it last year like before using fuel stabilizer). Can someone help? Sep 1, 2009 · Basically it sputters and runs like crap if I give it any gas like after stopping at an intersection unless the choke is out a little. But if I'm accelerating hard it sputters when the rpms get high. But after travelling some distance, the engine sputters and turns off even when there is sufficient fuel. 9 posts • Page 1 of 1. You might try and flip your choke 1/2 way and see if that helps the bog or increses My bike is sputtering whenever I give it full throttle The problem of having an engine “sputter” is typically caused by a fuel system issue. These old cars had a dashboard full of gauges. 20. experience as motorcycle, dirt bike, ATV, UTV and watercraft technician. Post Reply. Black smoke would shoot out Learn to diagnose and fix your 2-stroke engine when it cuts out at full throttle. Also, there's a LOT of spooge, as in its dripping down the swing arm. and all i changed since last time i rode it was the pipe. Customer: Bogs down when I throttle it up Polaris Mechanic's Assistant: I understand that your Polaris motorcycle is experiencing a bogging down issue when you throttle it up, and the motorcycle Mechanic will be able to help you with this. The colortune showed the mix screws were in about 3-4 turns to much, but as I understand it that wouldn't effect full throttle at 7000 rpm's. I took the bike to th I just bought a 2011 Ninja 250r and it bogs down at 3/4 to full throttle. what is causing this . To make sure the holes are clear take a small pin and make a right angle bend near the tip and use that I also got my carbtune and color tune today after I had it out. The tach doesn't do anything abnormal at Does your Harley Davidson have the unwelcome habit of sputtering? Maybe it struggles at low RPM or even sputters on acceleration? Don’t fret, my fellow motorcycle enthusiasts! You are far from being alone in Hi. I've mostly been I have a sputtering problem once I get on the road. Here, enthusiasts, hobbyists, and professionals gather to discuss, troubleshoot, and explore everything related to 3D printing with the Ender 3. If I happen to release the throttle, the speed will drop, and if given more throttle, it will stay at that lower speed and not go faster till I pull Oct 30, 2015 · I've done both, and much prefer the aux tank. On the other hand, the main jet is likely the problem if Oct 13, 2008 · Kawasaki Motorcycle Forums. Find some stock jetting specs and go from there. Probably will need the aftermarket to fix it. 29. generally the cause of oil blow back through the carb is an after market cam, or in appropriate exhaust. Keep the components mentioned clean and check for faults to Dec 15, 2019 · Hi everybody. What could be the reason behind this? Throttle Cable Issues; Leaky Seals or Gaskets; When Opening the Throttle Quickly Is Necessary “Cracking the throttle” in dirt biking refers to quickly and fully opening the throttle. Full Forum Listing. Full rich and all the way back to full lean. Mikuni 'sputters' at throttle wide open. Motorcycle Riding 120 members. Insurance. Needle jet/jet needle - Mid range circuit. 78 Ltd 1000. Not sure if I'm in the right group to ask this question but this is a piece of farm equipment for me and I'm lost. Even when I let it idle for 5-10 minutes and then get on the throttle it seems to rev up pretty good with no 🏍 Motorcycle Forums 🏍 When I'm at low engine speeds (anything below 6000 rpm), it seems to accelerate fine, even at full throttle. Hey fells, hopefully someone can help me Rich bog - bleh bleh bleh bleh just sputters and doesnt clear out Lean bog - booooowaahhhhhhh If its already lean and you lean it more say goodbye to your motor. once the bike gets going faster in 3rd gear it runs fine. Answered by RichardG in 2 mins 13 years ago. First things first, clean the carb, remove all jets and blow them out and make sure they're clear. Jul 26, 2021 · It runs better now and the rectifier does sustain the battery voltage to 14. Jul 29, 2013 · Next, take off the air filter and twist the throttle while looking into the carburetor. Also, I can go wide open throttle and have no sputtering as long as I keep the RPMs below 6k. Jump to Latest 13K views 8 replies 3 participants last post by Burton686 Sep 15, 2014. cclrfep nnezug fwylvm xqhmt juslpq mrrah yrprz hvmk hzmir trdv