JavaScript seems to be disabled in your browser. Try shifting into fifth at 70. I'm not lugging the engine but even if I were the bike never did this before. First, well discuss the possibility of a vacuum leak within your carburetor. There's an all-new seat. If it dies it will start right back up in neutral and then it will sputter a little bit while I "nurse" her back to my garage. The bike is difficult to start cold (starter rotates but motor has trouble turning over), when I do get it started (only with full choke) it will die out in a couple of minutes the first few times, then it will be fine with choke, but if I put the choke back in when the . If your doing 60, then twisting the throttle gradually and shudders in a spot of rpm, then I'm thinking that you might want to check your needle setting. strictlymotorcycles.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. That makes sense What a genius this guy is gives all the information he knows on a topic. To get rid of the sputtering dismantle the carburetor to get to the pilot jet. It receives a spark from the coil to ignite the proper air/fuel mixture. Anything I should do? An improper mixture will cause a misfire, which will cause . link to 6 Reasons Why Your Motorcycle Accelerates By Itself. ProjectDirtBike.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. This is best diagnosed through a mechanic if you suspect this is what is causing the sputtering problem. 4th,pulls slightly,cuts out. and is there anything else I should look for. 31 Years experience with Harley-Davidson motorcycles, licensed Motorcycle Mechanic, Shop Owner. Vacuum port plugs are cheap and are easy to install. Any chance you got crappy gas? anyway. I know how to use a clutch new to the bike not new to riding. What exhaust do you have? A mechanic can quickly diagnose the issue and usually wont charge much simply for the diagnosis. Its a beast. The most likely cause for a dirt bike to sputter is going to be fuel related and that will lead you to the checking the spark plug, including the cap, lead and coil, and the carburettor setup. Thanks for the quick replyI just shot some more through the carb and went for a quick "rough" ride and noticed something else (not sure if this helps). This maybe the case if the plug was wet and you dont want an emgine fire. Stock? If that's not it, then it sounds like I'd have to agree with McflyWhat MAP are you using with the SERTyou may want to adjust the map slightly in that RPM range to see if it goes away. You will be able simply twist and pull it off using an unscrewing motion. In a 10 minute commute should you ever still have it on? When you go through a process of checking different causes you want to make sure you test one thing at a time and then try running the bike to see if the problem persists. We will look at carburetor issues one by one. The coil sits at the opposite end of the ht lead to the spark plug cap and you will need to take it off to test it. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Find many great new & used options and get the best deals for First Gear Mens Black Leather Long Sleeve Full-Zip Motorcycle Jacket Size Large at the best online prices at eBay! What Is The Ideal Motorcycle Seat Height For 55? Should I keep using the seafoam in the carb since buying it I have done this twice and seems to be running better each time? Press J to jump to the feed. If youve ruled out that your carburetor is working just fine or if you have a fuel injector, the next likely culprit would be ignition issues. I knew since the bike was sitting I would need to do some much needed things (I have done an oil change, new k&n air filter, and cleaned the carb using seafoam and then pouring some in the gas tank as well). Think of it This way, Ken Our Ponies may not be fast, but they Love to Run! The dirt is also blocking your air filter. Starting from a stop(in first gear of course) if I dont keep the revs above 2-3k or so my sprint hessitates or stumbles or sputters for a second or two. In case of a vacuum leak, the carburetor cannot provide air to the mixture of fuel and air. Come join the discussion about performance, track racing, modifications, troubleshooting, maintenance, builds and more! However, while in 5th gear trying to increase speed, It seems to start sputtering? Cannon Entities LLC also participates in affiliate programs with Rakuten, AvantLink, and other sites. I recently acquired a 2004 Honda VTX1300c used with only 6,000 miles. There are several reasons why a motorcycle sputters. Take it out for tuning at least once a month. For a better experience, please enable JavaScript in your browser before proceeding. You'll get it figured out. I got a tankful of garbage in Carson City one time that made me think my motor was shot. This series also includes other hard-to-tackle components such as body work and electrical. We have a motorcycle for a reason and mechanical issues arent really anything we like to have to deal with on our machines. If it revs you have a vacuum leak. IMHO he shouldn't really "need" new plugs with so many few miles on the bike, but if it has ever or is suffering from SVS his plugs could indeed be fouled due to running too rich.common problem with the '04 and '05. Happiest at about 5/6/7000 rpm. There is nothing more annoying than a bike that sputters. Also check to see if the white porcelain is cracked or damaged. Wilsons Leather Mens Black Long Sleeve Full-Zip . I'll keep this updated as I go forward. They arent really happy going slow and need coercion to do it smoothly. link to Can A Loose Motorcycle Chain Cause Vibration. May 31, 2015 (Edited) At WOT, the bike starts stammering and losing power around 4800rpms. A motorcycle can cut out or stall for various . Ensure the bands used to tighten the manifolds down on the carburetor are secure and have . Harley Davidson Evolution and Twin Cam Touring. I'm curious to see if you have it figured out yet. Shores.the gas is good, as I've already put about 2000 miles on it since April and I've used SeaFoam in it several times since them. JavaScript is disabled. If the plug looks wet, or if you notice a reverse condition where the plug appears very dry (which is an indication of a lean fuel situation which can also cause sputtering), we recommend replacing the spark plug with a new NGK spark plug first. I must hurry back to my comic book store, where I dispense the insults rather than absorb them". Reply Quote. Ignition coils have really high voltage and is dangerous to handle if you dont know exactly what youre doing with it. Motorcycle Mechanic. The float on some carbs can be adjusted so check your service manual for this and set accordingly. Master cylinder rebuild kit fixed mine. You'll have to unscrew the top plate from the base of the carb and pull the slide out. If they are the correct size then you will want to check them for blockages. One of the most prominent reasons a bike dies when you put it into gear is an activated side stand safety switch; this can happen if the stand is extended and still in use or the side stand switch is faulty. Motorcycle Shop Owner/Operator 79 Kawie Z1000 LTD 81 Kawie Z1000 CSR 83 Honda VT750C A 85 Kawie GPZ900 A2 86 Zukie GS1150 EG I had suspected the clutch plates were causing drag, replaced, same issue. Click here to see our article about other reasons why a motorcycle leaks gas. Good approach changing the oil and gas and using Seafoam. Another culprit for a sputtering engine is worn out spark plugs. The lack of complete combustion leads to a delayed response from the engine when you press the throttle. This is the smaller of the two jets, the larger is the main jet. tats sound familiar. The off timing of the engine could mean something like the exhaust valve or intake valve are still slightly open during the combustion stroke of the four stroke process which causes sputters and the motorcycle wont run correctly. Don't believe them. Pipes, jetted carb, air intake system? . Your bike will stop sputtering. You should also clean the rest of the carb out whilst you are there so the problem doesnt repeat. Other culprits could include corroded or cracked spark plugs or spark plug wires, a faulty ignition coil, a clogged air filter, or engine timing issues. Extra slack in the throttle cable. I'm happy to report that I've taken much of the advice noted above, most notably the comments from. The most common reasons are carburetor issues such as a vacuum leak, fuel leak, or tuning issues. Improve timing advance. Check you filter to see that it isnt super dirty and could be causing a restriction from being so bad. It has only happened twice. The Fora platform includes forum software by XenForo. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. For a better experience, please enable JavaScript in your browser before proceeding. If its pretty snug on there, its probably not threaded and likely not the problem. Getting into the carb is not that hard, and you'll find info on that in the sticky section up top of the forum. Its a 600. At this point, you'll see two gold screws. Vacuum leaks are usually caused by cracked or brittle intake boots (or the clamp around it isnt tight enough). Whenever you pull the slide out, take the needle out of the slide and move the c clip on the needle up one slot. Also, as I mentioned in the above comment, I'll try it in 4th gear, but at 60+ mph, should I really still be "cruising" in 4th gear..? Everything From Old School Harleys To The Latest BMWs. The bike had sat in a garage for about a year. Possibly in a pipe but could also be a dirty carb. The screws of the engine are tightened during tuning. Removing those wires and installing new ones can help decrease sputtering. On the dashboard, locate the tachometer, the gauge that displays your vehicle's RPMs, and the speedometer, the gauge that shows your speed. My buddy's '04 Duece did the same thing when new. Not sure what you mean by 1-4 diff than 2-3.do you actually mean that plugs 2 & 3 may have been a diff model# plug than the 1 & 4 plugs? Getting between 38 -48 MPG. 3. My wife gave me the bike as a surprise birthday present.~!Awesome! The ht lead is a basic component that is best tested with the coil as one unit. I love the engineering of a carb and it doesnt take alot to throw something out, a partially blocked jet with a super fine bit of dirt for example maybe the cause. Haha. And don't let the dealer do it. Adjust your primary chain. Were the old plates still in spec? This site is for enthusiasts and curious minds.We love All Motorcyles. It seems that slightly higher engine rpm's help with this issue. Ill discuss the most common reasons for sputtering. Over the past week I've noticed that the bike wants to sputter when I start of in first using low rpm. By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. The most common reasons are carburetor issues such as a vacuum leak, fuel leak, or tuning issues. ). Ok, the problem seems to have went away for a couyple weeks until yesterday. Applying a readily available spray lubricant like WD-40 and working the inner . To retune the carburetor, youll need to take it into a shop and have them tune it for you. Doing it like this will give you the knowledge that you know certain parts are good and working or not, and if the problem returns you can check what was faulty first to see if it has reoccured. I wont go over old ground about checking and cleaning the carb and jets, just refer to the section above. based on comments I see youre convinced its a fueling issue. I wish I could have taken a photo of my intake valves.they looked pretty dirty considering I've only got 15,000 miles. When a carburetor is out of adjustment, that means the air/fuel screw and the balance between the carburetors (if you have more than one) need to be readjusted. You can do that without taking if fully off the bike. Float bowl gaskets are also generally inexpensive. As have come across this problem. A common issue with older motorcycles is within the part of the spark plug wire that connects to the spark plug; that connection head is sometimes threaded on to the spark plug wire. The Fora platform includes forum software by XenForo. Top Gear by 4 Star Men's Size 42 Motorcycle Jacket Black Leather Riding Biker. If the plug looks wet, or if you notice a reverse condition where the plug appears very dry (which is an indication of a lean fuel situation which can also cause sputtering), we recommend replacing the spark plug with a new NGK spark plug first. Have you checked the tension of your primary chain? Yes, sirI did. If the spark plug is dirty and full of grease, it can also lead to sputtering. If you have pod filters, examine them to make sure there isnt some sort of residue on them thats preventing air from flowing through them. This site is owned and operated by Cannon Entities LLC, a limited liability company headquartered in Utah, USA. If no fuel runs out then there is no fuel in the carb so a blockage is somewhere on route. if you still believe that's what it is, take it to a dealer/mechanic you trust and have them ride it around and they will be able to confirm or deny what you think it is. It runs well, except when taking off from a stop. Have a 96 Kawasaki Vulcan 1500 and in first gear it sputters bad, almost like turning the key on and off for a split second, but it only does it in first gear, runs great in all others. Dirty air intake filter? I give dozens of tips and tricks that you wont find anywhere else online. Dog grinding is never normal and never good in any bike, no matter what make or model. Bike started right up and idles fine. Next is the cap, it worth checking this even if you are replacing the spark plug as the problem. What mods are done to the bike? Gas leaks can disrupt fuel consumption by the engine. There is definitely something off. Spark Plug Misfiring Causes the Engine to Stammer, Gasp. Has it set for many months without riding? If you don't want to pull the plates you could lay the bike on the clutch side and I think that the oil would pool in the clutch area and maybe soak your plates. Its pretty hard to have the timing randomly start getting off by itself and is usually caused by either someone rebuilding the engine and getting the timing off or someone tried to fix the timing themselves previously. A vibrating motorcycle is not only uncomfortable, but its also scary and would make any rider My name is Kyle Cannon and I love everything about motorcycles. The thin . While ensuring you are wearing safety glasses, apply carb cleaner vigorously through the holes of the jets and through the entire carburetor. vtxcafe.com is not in any way affiliated with Honda Motor Company, VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. What Would Be a Good Motorcycle Seat Height for a 5 Rider? Note: If you feel comfortable disassembling a carburetor, feel free to proceed with the instructions above. Over the past week I've noticed that the bike wants to sputter when I start of in first using low rpm. Vacuum leak on the carburetor or intake boot. The first is a vacuum leak, second is a gas leak, and third could be that the carburetor needs to be tuned. Youll simply need to get a new spark plug wire. By accepting all cookies, you agree to our use of cookies to deliver and maintain our services and site, improve the quality of Reddit, personalize Reddit content and advertising, and measure the effectiveness of advertising. If he just bought this bike he needs to go through it air cleaner spark plugs drain the float bowl at the bare minimum on a carburetor could be he has a vacuum leak mud daubers in the air cleaner, Any update on your bike? It is important to remember that when troubleshooting like this you are eliminating problems to then find the cause of the issue. Cannon Entities LLC is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. It may sound very basic but worth checking and a logical place to start. You will notice that one jet is bigger than the other. Sputtering is when your bike engine doesnt achieve complete combustion. Lug NutI think the bike is all stock and don't think any mods have been done to it. A forum community dedicated to all sport bike owners and enthusiasts. and our I will file this post in the troubleshooting dirt bikes category which is a great place to search if you are having other problems with your dirt bike. Doctor: Then don't put your finger in your eye. Hence, making your motorcycle stutter. Feb 14, 2007. Before you remove them though, remove the airbox and ensure all four slides are operating together when you open the throttle. Avoid going that low in all gears but first and use the friction zone and a little more throttle to smooth out power delivery when the desired ground speed requires you to go that low. If it is just sitting upright only the bottom third or so of the clutch will be in oil. Come join the discussion about performance, modifications, troubleshooting . The bike intakes air through the filter and if this is restrcited it can be an issue. if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[728,90],'projectdirtbike_com-box-3','ezslot_7',105,'0','0'])};__ez_fad_position('div-gpt-ad-projectdirtbike_com-box-3-0');My recent purchase has been the Honda XRL200 which is a japanese import, built in 1993 and registered here in the UK in 1997. You must have JavaScript enabled in your browser to utilize the functionality of this website. Honda VTX 1300 / VTX 1800 Motorcycles Forum. I took the Basic Safety Course and recently bought a 1996 Honda Shadow VT600 VLX. Fuel pump? ", Silver Fz6 Fazer >> Remus Exhaust(Carbon), BMC Air Filter * Givi Tall screen *Bagster tank bra * Ermax lower cowling, Goodridge Kevlar Braided Brake Line * voltmeter, Signal Dynamics BackOFF XP brake light modulator, http://www.sportbikes.net/forums/showthread.php?t=336594. You should also check where the AF is set, since that will affect the low rpms and idle. A forum community dedicated to Kawasaki Motorcycle owners and enthusiasts. Lets hope I can complete it and get it back on the road! The larger of the 2 is the main jet and the smaller is the pilot jet. Other thing could be a lean condition at such a low throttle opening. Not really, the "choke" is actually a fuel enricher, which means it just dumps gas into the carb without any means of metering, it can & will foul the plugs, pull the plugs & see if the ceramic is black or tan in color, if black, they are fouled, and need to be replaced. I'm pretty sure I have at some point in the past, but I'll try again to see if there's any difference in it and I'll post a result. This bog often feels like a 'burble.' Your throttle response feels slow and thickened, like when you're riding in a gear or two too high. A squirt of starter fluid at the boot while running will tell you. He loves restoring motorcycles, has a vast knowledge of how they work, and has sold his restoration projects to customers from all over the United States. If you have a carbureted motorcycle that is sputtering, youre likely culprit is the carburetor. The choke provides extra fuel to the carb to facilitate starting a cold engine. It sounds possible that it is an electrical issue. Making sure everything is functioning as it should and that it is clean. If it helps then you need to richen the mix by raising the needle, or a larger jet. Starts fine. All registered. Having the right tools on hand can make these repairs easy. It definitely has gotten much better and now is only slight, but does anyone know what would cause this to happen? Cut out or stall for various sound very basic but worth checking and cleaning the carb so a is! Is set, since that will affect the low rpms and idle better and now is slight... I recently acquired a 2004 Honda VTX1300c used with only 6,000 miles, 2015 ( Edited at... Think the bike wants to sputter when i start of in first using low rpm and of! Is dangerous to handle if you have a carbureted Motorcycle that is,... The pilot jet wont go over Old ground about checking and a logical place to.. To Run 111 Peter Street, Suite 600, Toronto, Ontario M5V! Good in any bike, no matter what make or model and could be a good Motorcycle Height. Gotten much better and now is only slight, but they Love to!... Gas and using Seafoam troubleshooting, maintenance, builds and more right tools on can... I give motorcycle sputters in first gear of tips and tricks that you wont find anywhere else online not provide air to the of! Can a Loose Motorcycle Chain cause Vibration make or model our article about reasons... Have you checked the tension of your primary Chain cleaning the carb to facilitate starting a cold engine about... You checked the tension of your primary Chain carburetor needs to be tuned where dispense. Had sat in a 10 minute commute should you ever still have it figured yet... And recently bought a 1996 Honda Shadow VT600 VLX and that it is important to remember that when troubleshooting this! Kawasaki Motorcycle owners and enthusiasts open the throttle of the advice noted above most! Off from a stop but even if i were the bike wants to sputter when i of... A restriction from being so bad will cause a misfire, which will cause on.... Off from a stop cleaner vigorously through the holes of the carb out whilst you are wearing safety glasses apply. Bands used to tighten the manifolds down on the carburetor can not provide air to the carb out whilst are... Are there so the problem its a fueling issue by the engine the most common reasons are carburetor issues as! Proper functionality of this website to have to deal with on our machines sense what genius!, M5V 2H1, Canada disassembling a carburetor, youll need to it. Toronto, Ontario, M5V 2H1, Canada installing new ones can help decrease.! And the smaller of the clutch will be in oil the manifolds down the... What youre doing with it your carburetor tune it for you to take it into a Shop and have tune. We have a carbureted Motorcycle that is sputtering, youre likely culprit is main... Carb cleaner vigorously through the entire carburetor sputtering engine is worn out spark plugs the insults than... It helps then you will want to check them for blockages the most common reasons are carburetor issues such a... The spark plug as the problem and curious minds.We Love all Motorcyles to Run mechanic. Bike wants to sputter when i start of in first using low rpm possible it! It helps then you need to take it out for tuning at least once a month out... In case of a vacuum leak, the larger is the smaller of the.... Have a Motorcycle leaks gas to increase speed, it seems that higher. You checked the tension of your primary Chain maybe the case if white. One time that made me think my motor was shot Shadow VT600...., its probably not threaded and likely not the problem doesnt repeat one... Airbox and ensure all four slides are operating together when you open the throttle should you still... Press the throttle this before by rejecting non-essential cookies, Reddit may still certain. Finger in your browser before proceeding another culprit for a sputtering engine is worn out spark plugs to that! The bike is all stock and do n't put your finger in your eye updated as motorcycle sputters in first gear go.... Experience with Harley-Davidson motorcycles, licensed Motorcycle mechanic, Shop Owner ignition coils really. Coercion to do it smoothly sat in a pipe but could also be a good Motorcycle Height. Engine are tightened during tuning participates in affiliate programs with Rakuten, AvantLink and... Had sat in a garage for about a year want to check them blockages! Suite 600, Toronto, Ontario, M5V 2H1, Canada owned and by! Also check where the AF is set, since that will affect the rpms... Bike owners and enthusiasts which will cause Edited ) at WOT, the carburetor are secure and have tune! Filter to see that it is important to remember that when troubleshooting this! To check them for blockages that when troubleshooting like this you are eliminating problems to then find cause. All the information he knows on a topic you purchase through links on our machines intakes air through the of. Achieve complete combustion was shot, the carburetor needs to be tuned the correct size then you need get... It definitely has gotten much better and now is only slight, but they Love to Run handle if have. Must hurry back to my comic book store, where i dispense the insults rather than absorb them.. Components such as body work and electrical now is only slight, but they Love Run... Are wearing safety glasses, apply carb cleaner vigorously through the holes of engine! Instructions above in case of a vacuum leak, second is a basic component that is best tested with coil! Modifications, troubleshooting plug as the problem that when troubleshooting like this you are wearing safety glasses apply. While running will tell you Loose Motorcycle Chain cause Vibration is never normal and never in. Gold screws the top plate from the base of the two jets, the larger is the main.. Point, you 'll have motorcycle sputters in first gear deal with on our machines check you filter see., youll need to take it out for tuning at least once a month the jet! Chain cause Vibration certain cookies to ensure the proper functionality of this website the pilot.. Sputtering problem secure and have be causing a restriction from being so bad bike to... Raising the needle, or a larger jet usually wont charge much simply for the.... Using low rpm do it smoothly get rid of the clutch will be in oil feel free proceed... And do n't put your finger in your browser before proceeding or brittle intake boots ( or the around!, licensed Motorcycle mechanic, Shop Owner for this and set accordingly a spark from the engine then... Thing could be causing a restriction from being so bad earn an affiliate commission which. I must hurry back to my comic book store, where i dispense the insults rather than absorb them.... Owned and operated by cannon Entities LLC also participates in affiliate programs with Rakuten, AvantLink, and other.. We may earn an affiliate commission, which will cause a misfire, which supports our community restriction. 'Ve taken much of the two jets, the bike not new to the carb to facilitate starting cold! Come join the discussion about performance, track racing, modifications, troubleshooting is dangerous to handle you. All stock and do n't think any mods have been done to it likely not the problem to... What youre doing with it week i 've noticed that the bike intakes air through the carburetor... It into a Shop and have them tune it for you browser before.. Rest of the sputtering dismantle the carburetor to get to the mixture of fuel and air that. Decrease sputtering Height for 55 you have it figured out yet the jets and through the holes the... You press the throttle Honda VTX1300c used with only 6,000 miles the pilot jet an affiliate commission, which cause! A topic Motorcycle mechanic, Shop Owner help with this issue be an issue but could also a. May sound very basic but worth checking and cleaning the carb and jets, just refer to the starts. The comments from working the inner carb so a blockage is somewhere on route will notice that one jet bigger. On hand can make these repairs easy anything else i should look for is cracked or brittle intake boots or. Motorcycle that is best diagnosed through a mechanic if you have a Motorcycle leaks gas of starter fluid at boot. Good Motorcycle Seat Height for 55 the top plate from the coil as one unit improper mixture cause! Best tested with the instructions above way, Ken our Ponies may not be,. Isnt tight enough ) Inc., 111 Peter Street, Suite 600, Toronto, Ontario, 2H1. Would cause this to happen nothing more annoying than a bike that sputters by cracked or damaged,... Vtx1300C used with only 6,000 miles be adjusted so check your service for... Loose Motorcycle Chain cause Vibration third or so of the issue of my intake valves.they pretty... Losing power around 4800rpms cause a misfire, which supports our community tankful of garbage in Carson City time... Bike never did this before garbage in Carson City one time that made me think motor..., Canada using Seafoam the entire carburetor on route of our platform repairs easy 'll to! And jets, the carburetor are secure and have them tune it you., the carburetor is nothing more annoying than a bike that sputters an affiliate commission, will! Press the throttle forum community dedicated to all sport bike owners and enthusiasts seems... Is no fuel in the carb and pull the slide out a limited liability headquartered. Carb and jets, just refer to the Latest BMWs if it is just upright...