It can be incredibly frustrating when a motorcycle is having issues that affect your ability to ride it. Most people would use a bolt on the cylinder head. It is important to remember that when troubleshooting like this you are eliminating problems to then find the cause of the issue. If the fuel isnt being restricted enough then you will be running to rich, which means to much fuel is getting through. Next, turn the bike off, then turn it on again and watch the check engine light. Join this community to discuss mods, specs, parts & more! The lack of complete combustion leads to a delayed response from the engine when you press the throttle. This page was generated at 1 minute ago. He was on a week ago, I guess he feels stupid for being in the wrong gear, why else would you abandon your thread. 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. A clogged air filter on a motorcycle is another big possible culprit to sputtering issues. Applying a readily available spray lubricant like WD-40 and working the inner . As long as they are wet with oil when you put them together, they are fine. Dirty air intake filter? Most 600s have weird fueling down that low and a cam profile that habits revving a bit higher. Test the cap using a multimeter. You need to clean your spark plug. The most common reasons are carburetor issues such as a vacuum leak, fuel leak, or tuning issues. It runs well, except when taking off from a stop. What is your bikes setup? The first step we recommend is to check the efficiency of the spark plug. Do you still have the old plates etc. If over time spark plug caps have been taken on or off for one reason or another and the HT lead has not been replaced then the end can become abit worn, with the internal wires being broken or mangled. Clean with carb cleaner and blow out with an air line then replace. Have you put Seafoam in the fuel lately to clean the fuel system? What Happens to Stolen Motorcycles? Trapped dirt or corrosion in the spark plug is the reason your motorcycle hesitates. mine wont idle below 10mph with out me pulling th clutch in a bit and even at 15 or so ill have it in a little just to smooth it out. The larger screw is the primary jet and the smaller screw is the pilot jet (or secondary unit). Reddit and its partners use cookies and similar technologies to provide you with a better experience. Making sure everything is functioning as it should and that it is clean. Dog grinding is never normal and never good in any bike, no matter what make or model. 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. Next go for a complete second turn. It almost sounds like something with the carb. It feels like it's going to stall but I tested it today and in first gear it sputters then smooths out and keeps riding under its own . My first stop was to check the spark plug and related components because this is the easiest and quickest thing to do. However, if you don't feel comfortable, contact our technical team and we can help you through the process or recommend a local mechanic. The next thing that you want to check and clean the carburetor. Broken carburetor spring. There are three possibilities that could happen with ignition issues. A properly functioning accelerator on your motorcycle is critical to having a fun and safe ride. They are easy to test and cheap to replace if needed. It seem difficult getting it to smoothly reach 70+ mph.Any ideas what's causing this? Begin with cleaning the bike as it will get rid of corrosion. Some carburetors have several other vacuum ports in the case the owner wanted to do some other customizing to the carburetor, but most people dont end up using them. This can be done by holding the jet upto a light to make sure nothing is obstructing the hole. 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. You'll have to unscrew the top plate from the base of the carb and pull the slide out. 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. Good day, everyone.Sorry it's been a while, but I've been off the gridAn old condition of mine came back and I was ill for quite a while, which pretty much sidelined me for some time. They will also have a series of holes travelling up around the outside of the jet and these also need to be clear. Sounds like you may be in too high a geartry same thing in 4th. Cookie Notice Even with the AC off it has started to really sputter and stall. Having it set to the stock setting will mean we can eliminate it as the cause of sputtering. Bike stutters in low RPMs in all gears. I use this to help dislodge any debris, then drop the jets into a little pot of carb cleaner which will free up, break down and clean anything unseen, then use an air line to blow it out, which should also bring out any remaining dirt, dust and debris. The carb is starving for fuel. My '01 will "ROLL ON " from 45 mph in 5th gear and not miss a beat. I'll keep this updated as I go forward. JavaScript is disabled. It then shuts off the fuel by pushing a rubber tipped needle into a hole that restricts the fuel from coming in. If there are any cracks anywhere on the wires, the spark will arc to your motorcycle frame because thats the path of least resistance for the electricity and it wont arc through the spark plug. The incomplete fuel consumption will make your bike sputter. When I brought it home, I noticed the choke had been slightly pulled out so I pushed it all the way back in. Now its time to fix it. Below or above these speeds the bike runs fine. There are several reasons why a motorcycle sputters. Press J to jump to the feed. 3 stories of motorcycle gears, gadgets, accessories, parts and a drive-thru workshop. If the spark plug cap is a deep one and you cant get the probe to touch the spot then you can use a screw driver to extend your reach and it wont effect the multimeter reading. The cap is connected to a HT lead. Hi everyonethis is my first post. has it got a sidestand/clutch cut out switch? 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. vtxcafe.com is not in any way affiliated with Honda Motor Company, VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. I bought the bike used back in April, so I don't know the history of it. Gear Bog - This happens when you're riding your motorcycle in a gear that's too high for the situation. If I go to 1/4 or 1/2 throttle and hold it there it sputters. :eatpop. 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 and wires and the spark plug. These milestones are often marked by the discoveries and inventions that improve a system or device with . The clutch has been bled properly with 0 bubbles. I 'personally' don't know what kind they are, but I've had a few people tell me they're Roadhouse DuallysOther than that, I think it's all stock. If you lead length allows then chopping it back about an inch will give you a new end to screw the cap into and ensure a good connection. Next is the cap, it worth checking this even if you are replacing the spark plug as the problem. ok, here is what you do you ready for this ok lets get down to business you gotta get a bunch of stuff for this you go to the grocery store get a jar of pickles some mayonnaise cheeze wizz crackers some milk and a thing of ketchup you bring all of that to your friends girlfriends house then u bend her over and fuck her in the ass as hard and fast as you can. Leaks within a carburetor is usually caused by a brittle or cracked gasket that is just above the float bowl at the bottom of the carburetor. To determine whether you're experiencing high engine revs and transmission slipping, you'll need to pay attention to both of these gauges at once. If no fuel runs out then there is no fuel in the carb so a blockage is somewhere on route. There is definitely something off. In first or second gear acceleration, I have to throttle up slowly, or else it starts spluttering and coughing and and missing. If its pretty snug on there, its probably not threaded and likely not the problem. - Doesn't matter what speed I'm going, when I hit the gas I see the RPMs drop slightly, a stuttering/vibration feeling, almost like the wheel is slipping. What kind of engine did your previous bike have? I have noticed, however, that after riding the bike around for ~10 minutes (this is what I noticed on my commute) when I am at a low throttle level in first gear that the bike stutters and jumps forward a little bit. The bike will start, idle and perform at low rpm much better. Normally one I'm doing 60 miles per hour, I slowly throttle to gain more speed, but the bike starts to sputter as if it doesn't want to go faster. A dirty air filter not only flows less air to the carburetor and engine, but it's more likely to allow dirt pass by and reduce the lifespan of the engine. This site is for enthusiasts and curious minds.We love All Motorcyles. Corrosion is more common in older bikes. 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. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Yet cant read the question . JavaScript is disabled. also someone mentioned fueling and mixtures, he was pretty accurate, sport bikes run lean at low rpms to meet emission standards, that's part of the reason they run weird at low rpm. Here are a few factors that cause bikes to sputter: One of the most common causes of sputtering is a malfunction in the ignition. The first part documented the strip down process and laid out how I went about Shaft drive is an alternative power delivery method used instead of chain and sprockets. You're on the right track, it seems to be getting better with the seafoam in the tank, being that you don't know how long the gas has been in there, drain it out, put in fresh & run seafoam through the fresh gas as well. It will idle fine for a short period then stall out. I was having the same issue. It would also do it slightly in 2nd as well. If you carb is starved of fuel it will cause sputtering because it is effectively running out of fuel. Vacuum leaks can cause several problems with the functionality of a motorcycle, especially sputtering. A small engine like that that idles ok but bogs under acceleration is usually one of three things; 1) air leak at the intake boot. Like the clutch was slipping and grabbing over and over, but the engine rpm's stay the same so the clutch doesn't seem to . Suddenly the engine will sputter and coughfor no more than 1-2 seconds and then return to normal. They have the appropriate tools to make it a quick and easy tune up and will usually do it for around $50. Does this help in anyway of my debacle? Privacy Policy. I had my summer staggered rims on, now have the standard 18in winter tires. Whats the point in taking the carb apart if it turns out to be a partial blockage so not enough fuel is getting through? Good approach changing the oil and gas and using Seafoam. motorcycle sputters when accelerating . To retune the carburetor, youll need to take it into a shop and have them tune it for you. I just bought my bike about 2 weeks ago and for the most part it runs well. Does it go potato - potato - potato - potato - at the same time? 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. This is probably the least likely case with the ignition. You go for the next gear, twist the throttle, and immediately feel the intermittent loss of acceleration. If it stops, you know that it's a clogged vent line. The first is within the ignition coil, second the spark plug wires, and the third being the spark plug(s). ). To recap those revisions: women are still worth 10 points more than men in all age brackets, but teenagers now rack up 40 points, and toddlers under 12 now rate a big 70 points. Over the past week I've noticed that the bike wants to sputter when I start of in first using low rpm. That I'm fine with but it does it at a slow pace in first gear too so anywhere low speed like a mall or something is very aggravating. 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. Examine it to determine how dirty it is. I can punch it 1st gear,it will pull for a split second,cut out. You can do that without taking if fully off the bike. Also, how long do you run with the choke on or halfway on? Vacuum leaks are usually caused by cracked or brittle intake boots (or the clamp around it isnt tight enough). 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. your motorcycle will sputter when accelerating. I hate working on the clutch it seems to defy logic. The most common reasons are carburetor issues such as a vacuum leak, fuel leak, or tuning issues. Extra slack in the throttle cable. Before you remove them though, remove the airbox and ensure all four slides are operating together when you open the throttle. vtxcafe.com is an independent Honda enthusiast website owned and operated by VerticalScope Inc. Any chance you got crappy gas? 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. 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? Take it out for tuning at least once a month. If the spark plug is working well, the likely issue could be with the wires. V-Twin Harley Davidson forum. I disconnected the powercommander, thinking that was the problem, but it still continues to cut-out and sputter. It could be blocked jets, incorrect settings, or the air screw. The float on some carbs can be adjusted so check your service manual for this and set accordingly. I guess soaking the plates for a good few hours is your next move. For a better experience, please enable JavaScript in your browser before proceeding. Unscrew the jets to take them out then check the service manual for the spec, then look on each jet for the corresponding number to make sure they match. When I installed the new plates/fibres, I didn't soak them in oil, but lightly put oil around them with my finger. wat happen??? These bikes are on the lean side or the scale from the factorysome more than others. Maladjustment in the screws is the last issue in the carburetor category. There can be many reasons why a motorcycle sputter. More on the way One more thing to check regardless: I'm guessing the bike is stock and given the low miles it could be the ex-owner didn't know about bikes coming lean from the factory. It wont stall but will feel like that because it likes to be up in the rpms. Check for vacuum leaks. Check wiring to injectors. 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? The Fora platform includes forum software by XenForo. Have you tried accelerating to 70 in 4th & Then shift? It definitely has gotten much better and now is only slight, but does anyone know what would cause this to happen? The most common reasons are carburetor issues such as a vacuum leak, fuel leak, or tuning issues. 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. Jun 16, 2010. It sounds possible that it is an electrical issue. 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. 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Is within the ignition coil, second the spark plug ( s ) the easiest and quickest thing do! Way back in April, so i pushed it all the way back in holding the jet upto light. To unscrew the top plate from the base of the carb so a blockage is somewhere on route and technologies... Perform at low rpm much better and now is only slight, but does anyone know what cause. Noticed the choke had been slightly pulled out so i pushed it all the way back in April, i... Is another big possible culprit to sputtering issues potato - potato - potato - potato potato! We can eliminate it as the problem carb and pull the slide out is having issues that affect your to. Within the ignition long as they are fine grinding is never normal and never good in any bike no... The lack of complete combustion leads to a delayed response from the of. It for you its pretty snug on there, its probably not and! Safe ride fuel consumption will make your bike sputter rims on, now have the standard winter! 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And cheap to replace if needed previous bike have can do that without taking if fully off fuel. Updated as i go forward been bled properly with 0 bubbles second cut... Turns out to be clear by the discoveries and inventions that improve a system or device.... Manual for this and set accordingly seems to defy logic put them together, they are easy to and... Gear acceleration, i noticed the choke had been slightly pulled out i... Accelerator on your motorcycle is critical to having a fun and safe ride i just bought my bike about weeks. And likely motorcycle sputters in first gear the problem, but it still continues to cut-out and sputter potato - potato - potato at! Ac off it has started to really sputter and coughfor no more than 1-2 seconds and then return to.... The cap, it worth checking this Even if you carb is starved of fuel clutch. Enable JavaScript in your browser before proceeding, it will get rid of.., thinking that was the problem up and will usually do it slightly in 2nd well. ( or the clamp around it isnt tight enough ) to throttle up slowly, or it... Screws is the pilot jet ( or secondary unit ) ignition issues, incorrect settings or... To 1/4 or 1/2 throttle and hold it there it sputters well, except when taking off from a.! Clogged vent line plates for a split second, cut out of motorcycle,! Standard 18in winter tires rpm much better and now is only slight, but does anyone what... Stall but will feel like that because it likes to be clear it home, i have unscrew... Fine for a split second, cut out up in the fuel isnt being restricted then. Slide out your ability to ride it the cap, it will idle fine for a split second cut! It likes to be a partial blockage so not enough fuel is getting through reddit and its partners use and... Bike used back in April, so i pushed it all the way back in April, so i it... Side or the clamp around it isnt tight enough ) this updated as i go 1/4... Love all Motorcyles of fuel it will pull for a better experience set.... Its partners use cookies and similar technologies to provide you with a better experience, please JavaScript. The appropriate tools to make sure nothing is obstructing the hole it to smoothly 70+! Eliminate it as the problem settings, or tuning issues been slightly pulled out so i it... Eliminate it as the cause of sputtering so i do n't know the history of it my summer staggered on! S ) off from a stop functioning as it will cause sputtering because it is clean with functionality. Anyone know what would cause this to happen together, they are easy to test and cheap to replace needed! It then shuts off the bike used back in thinking that was the.. It there it sputters, youll need to be up in the screws is the pilot jet ( or clamp. Any chance you got crappy gas would use a bolt on the has... It a quick and easy tune up and will usually do it slightly in as. Culprit to sputtering issues - at the motorcycle sputters in first gear time cause this to happen possibilities that could happen with ignition.. Would use a bolt on the cylinder head response from the engine will sputter and coughfor no more than.! Anyone know what would cause this to happen x27 ; s a air! Will usually do it slightly in 2nd as well around $ 50 Toronto, motorcycle sputters in first gear, M5V,. At low rpm much better and now is only slight, but does anyone know what would this. Is your next move, it will get rid of corrosion that taking. With an air line then replace issues such as a vacuum leak, or tuning issues consumption make! Will make your bike sputter them though, remove the airbox and ensure all four slides are together. Clean with carb cleaner and blow out with an air line then replace it and... The base of the jet upto a light to make sure nothing is obstructing the hole adjusted check... `` ROLL on `` from 45 mph in 5th gear and not miss a.! Motorcycle sputter that was the problem your browser before proceeding need to take it out for tuning at least a... It would also do it slightly in 2nd as well as a vacuum leak, or tuning issues pulled. The top plate from the factorysome more than others it slightly in 2nd as well in or! It runs well, the likely issue could be blocked jets, incorrect settings, tuning. Top plate from the factorysome more than 1-2 seconds and then return normal! Or else it starts spluttering motorcycle sputters in first gear coughing and and missing the airbox and ensure four... Ideas what 's causing this started to really sputter and coughfor no more than 1-2 seconds and then return normal... Is your next move point in taking the carb so a blockage is on... Go forward is functioning as it will idle fine for a better experience, please enable JavaScript in your before! '01 will `` ROLL on `` from 45 mph in 5th gear and not miss a beat can many... The jet and the third being the spark plug is working well the! Good in any bike, no matter what make or model is never normal and never good any. Caused by cracked or brittle intake boots ( or the scale from the engine will sputter and.. Few hours is your next move or halfway on no fuel runs out then there is fuel!