There are several reasons why a motorcycle sputters. A squirt of starter fluid at the boot while running will tell you. Help? The Fora platform includes forum software by XenForo. Privacy Policy. There can be many reasons why a motorcycle sputter. My buddy's '04 Duece did the same thing when new. 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. 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. Twisting it around your arm or a wide pole to separate the wire from its sheath. If you do find a blockage then you can use a pin from the wifes sewing box and this should fit into all holes. 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. A vacuum leak in the carburetor can cause sputtering. Proper carburetor maintenance. It is possible for the ignition coil to not send enough spark to the spark plugs which will again cause misfires within the engine. A forum community dedicated to all sport bike owners and enthusiasts. Polished fins/Painted Engine, BadX Seat, STUMP Rad cover, Spyker/Decap K&N Airbox, Progressive 412 & fork springs, DynaBeads, V&H Cruzers, FP Jets, De-Paired, Glen's CPR & AF Screw, ISO grips, Kury Hwy pegs, CRAP plate frame, CRAP Shaft Cover, PhatRisers II, NC SB Chopped, Rivco Solo Rack, viking bags, Kury engine covers, ME880's. I have a 2011 gsxr 600 with 5800 miles on it. In a 10 minute commute should you ever still have it on? When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Rich Bog - This type of motorcycle bogging on acceleration is caused by too much fuel. 6 Reasons Why Your Motorcycle Accelerates By Itself. 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. Gear Bog - This happens when you're riding your motorcycle in a gear that's too high for the situation. Yes, sirI did. Possibly in a pipe but could also be a dirty 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 power without any throttle no stalling. I've noticed that if I'm in 1st and I hold it steady at 15-20mph, the bike seems to buck/jerk like I was in too high a gear. Most caps should be hitting 5000 OHMS but check your service manual, also be aware that depending on what you have your meter set to, the reading may contain a decimal so the display might not actually read 5000 but 5.000. Think of it This way, Ken Our Ponies may not be fast, but they Love to Run! If I go to 1/4 or 1/2 throttle and hold it there it sputters. Start by checking the easiest spot first which would be the spark plugs. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. You dealer will tell you that it is *normal*. vtxcafe.com is an independent Honda enthusiast website owned and operated by VerticalScope Inc. It has been a long time coming, but we also knew it was . The float on some carbs can be adjusted so check your service manual for this and set accordingly. Own a Honda XR 250R '91 and a Honda XLR 200. motorcycle sputters when accelerating . It has only happened twice. This is located between the carburetor and the engine. The air filter is usually located inside the air box if you have one, or if you have a newer motorcycle the air filter is sometimes located on the side of the engine. I took the Basic Safety Course and recently bought a 1996 Honda Shadow VT600 VLX. There are several reasons why a motorcycle sputters. I don't notice any dip with the RPM's, just a small jerk, power, small jerk. I have a 1996 Heritage Softail I changed the pipes and now the bike is sputtering in 1st and 2nd gear when ya gas on it ,,I went from a 2 into 1 pipes thunder headers to two single 2 1/4 " long shots . I'll check the Primary chain tomorrow. This site is for enthusiasts and curious minds.We love All Motorcyles. Good approach changing the oil and gas and using Seafoam. Does this help in anyway of my debacle? Hence, making your motorcycle stutter. 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. the vacuum plugs are on the head just after the rubber intake manifolds. If its pretty snug on there, its probably not threaded and likely not the problem. 3. Are these OEM plates or aftermarket? The next thing that you want to check and clean the carburetor. It will idle fine for a short period then stall out. 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. This is probably the least likely case with the ignition. The next thing that you want to check and clean the . 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. Sounds like you may be in too high a geartry same thing in 4th. I'll keep this updated as I go forward. They arent really happy going slow and need coercion to do it smoothly. A one-stop center to cater for more than your needs. 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. Most sputtering issues can be linked back to the carb. Gear Bog - This happens when you're riding your motorcycle in a gear that's too high for the situation. The bike was put away for winter and I pulled it out to take it for a ride. . If the spark plug is working well, the likely issue could be with the wires. What Happens to Stolen Motorcycles? Rebuilding the carbs would be more than sufficient. I must hurry back to my comic book store, where I dispense the insults rather than absorb them". I just bought my bike about 2 weeks ago and for the most part it runs well. Its a 600. Whenever I ride and switch my gears, everything seems to be fine. 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. Fuel pump? If you have the tools and expertise to fix the issues, go ahead and do it yourself. Another culprit for a sputtering engine is worn out spark plugs. In contrast to sputtering at the lower end, you may be getting it when you are at full throttle, and when bad it can cause the enigine to cut out. The third possible sputtering issue caused within the ignition is the ignition coil. Taking off in first gear it just putts along even though I am giving it throttle. Hence it was never adjusted until I just did it last weekend. 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. This website is where I report everything I've learned and continue to learn. You can always play around with jet sizes after the problem is fixed. How To Recover Them? However, if you don't feel comfortable, contact our technical team and we can help you through the process or recommend a local mechanic. When I accelerate and reach 5000 RPM, the bike sputters, or cuts out for a bit, then continues to accelerate. I'm ordering the spindleshould I replace the lever arm? 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. I recently picked up a 94 kz1000 police bike. As the cars roar into Pennsylvania, the cradle of liberty, it seems apparent that our citizens are staying off the streets, which may make scoring particularly difficult, even with this year's rule changes. Click here to see our article about pod filters vs. an air box. I had my summer staggered rims on, now have the standard 18in winter tires. Be mindful of any fuel vapour that maybe escaping the whole the spark plug came out of. your motorcycle will sputter when accelerating. He ultimately had to go with a Power Commander to richen it up in that range to get rid of the surge. 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. A 2023 discovery of lithium in India could prove to be one of those moments, for example. Clean pintle for IAC motor, at 12noon, just inside throttle body. 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. Check your primary chain tension and belt tension. When I'm engine braking the bike gets really sputtery in the low RPMs from about 3000 to 1500 but then after 1500 smooths out. If they are the correct size then you will want to check them for blockages. With the CAGR, this market is estimated to reach USD million in 2029. Yet cant read the question . This would typically cause a wet looking spark plug, which we touched on earlier. When I treat the street as a racetrack I just pretend the cops are cornerworkers giving me the meatball. Learn to use the clutch. Air filters need to be changed out routinely and people often forget to pay attention to them until it starts giving them problems. and our Not badly but enough to make it iffy. 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. Then, never use the choke (enricher) ever again and you shouldn't need to. 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. Make sure you can see the light through the small centre hole without interruption. Other thing could be a lean condition at such a low throttle opening. Aug 13, 2022. One common issue I often ran into was sputtering problems. 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). To retune the carburetor, youll need to take it into a shop and have them tune it for you. The first is within the ignition coil, second the spark plug wires, and the third being the spark plug(s). Use the same method to check you can see light with no obstructions. There can be a big issue behind this minor problem. Its a design compromise of a bike that is designed to spend most of its time going very fast. It is important to remember that when troubleshooting like this you are eliminating problems to then find the cause of the issue. The. Lets hope I can complete it and get it back on the road! If the carburetor isnt tuned regularly, it will cause sputtering. The cap is connected to a HT lead. I get on her and start going through the gears (revving the RPM's) and once it gets in 4th or 5th gearit will start sputtering and cutting out (sometimes it will completely die). - Strictly Motorcyles, Top 5 Best Seats for Suzuki Hayabusa Motorcycles. It happenens with or without the auto-tuner engaged. Removing the cable from the bike. Treat your motorcycle to a spa day at the workshop regularly. 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 should also clean the rest of the carb out whilst you are there so the problem doesnt repeat. The ht lead is a basic component that is best tested with the coil as one unit. Carburetors have been a great mechanical product for older machines and usually does a pretty good job with providing the right air and fuel mixture the engine needs to power the motorcycle. Next go for a complete second turn. Have you tried accelerating to 70 in 4th & Then shift? You need to clean your spark plug. Its a beast. This page was generated at 1 minute ago. 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. We will look at carburetor issues one by one. 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 . There's an all-new seat. 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. Just started to experience in the last 2 rides (within this week) my engine having low rpms at start up, engine sputter/surge/backfire off and on while riding in 3rd/4th gear going 30-45 mph, and the engine feeling like its choking. Happiest at about 5/6/7000 rpm. When I brought it home, I noticed the choke had been slightly pulled out so I pushed it all the way back in. Create an account to follow your favorite communities and start taking part in conversations. After a vacuum leak, a gas leak is your enemy. Whenever you pull the slide out, take the needle out of the slide and move the c clip on the needle up one slot. - Doesn't happen in 1st gear, only 2-6. Started by ElVispo, 01-25-2022, 08:34 AM. It keeps doing it and I can't ride the bike. The bike had sat in a garage for about a year. Make sure front injector wiring isn't tight, getting pulled tighter due to zip-tie on frame holding harness. The float in the carb rises as the carb fills with fuel. It never actually stalls, since I back off the throttle when it happens, but it's pretty annoying. If it stops, you know that it's a clogged vent line. 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. It wont stall but will feel like that because it likes to be up in the rpms. 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). :eatpop. Discussion in 'Thumpers' started by peteandrewd, Jun 23, 2016. When i first start the bike, choke out (have pc3, tornado, and cobra hp . To get rid of the sputtering dismantle the carburetor to get to the pilot jet. Very likely that you just need to open the A/F a 1/4 turn, change the spark plugs and clean the carb. 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