motorcycle sputters in first gear

The screws of the engine are tightened during tuning. A motorcycle can cut out or stall for various . For a better experience, please enable JavaScript in your browser before proceeding. So, what causes a motorcycle to sputter? Discussion on V-Twin Harley Davidson motorcycles including Dyna, Electra Glide, Softail, Sportster, and more. I know these bikes charge the batteries more efficiently at 5500+ rpms. What Would Be a Good Motorcycle Seat Height for a 5 Rider? Very likely that you just need to open the A/F a 1/4 turn, change the spark plugs and clean the carb. Also, changing out the plugs is a good step. Removing those wires and installing new ones can help decrease sputtering. Adjust your primary chain. Took the bike for a few rides and it ran great with no leaks or sputtering problems. As long as they are wet with oil when you put them together, they are fine. 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. Using a screw driver to undo this screw will allow fuel to run out of the attached pipe. Were the old plates still in spec? I also put some in the gas tank and the tank is still not empty so I thought it may also be the gas that had gone bad (this is the gas that was in there when I bought itit was a full tank but who knows how long it had been sitting in there. Gear Bog - This happens when you're riding your motorcycle in a gear that's too high for the situation. Check for vacuum leaks. Below or above these speeds the bike runs fine. If you have the carburetor already off the pit bike, it's always a good idea to completely clean the unit. 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. 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. The Fora platform includes forum software by XenForo. Most people would use a bolt on the cylinder head. 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. 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. Go to start the bike and check to see the plug is creating a healthy spark. A notched clutch basket will not allow the fiber plates to slide & disengage. You followed the info on page 150 of the repair manual? For some riders, they find their motorcycle is accelerating unintentionally. What Happens to Stolen Motorcycles? I know how to use a clutch new to the bike not new to riding. How To Recover Them? The problem of having an engine sputter is typically caused by a fuel system issue. 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. The spark plug is a CR6HSA or CR7HSA NGK. It can be incredibly frustrating when a motorcycle is having issues that affect your ability to ride it. For example stock settings may say that the screw needs to be out 1 & 3/4 turns. Possibly in a pipe but could also be a dirty carb. (You must log in or sign up to reply here. A one-stop center to cater for more than your needs. 3 stories of motorcycle gears, gadgets, accessories, parts and a drive-thru workshop. All of these factors combined will affect the performance of your bike. JavaScript is disabled. Your bike can malfunction if you dont have the proper tools to repair the carburetor or the spark plug. Unscrew, hold upto a light to check for any noticable obstructions through the centre and surrounding holes. What exhaust do you have? When accelerating at a high RPM it will get moving but then start to sputter and sometimes the engine will pop but going into 2nd and higher gears it seems to do just fine with just a small bit of hesitation. ", 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. At StrictlyMotorcycles.com we cover all things motorcycles. Ignition coils have really high voltage and is dangerous to handle if you dont know exactly what youre doing with it. The bike was put away for winter and I pulled it out to take it for a ride. You need to clean your spark plug. Sounds like the chain or belt is a little loose. Using a multimeter again, test the coil for resistance. We will look at carburetor issues one by one. So just to verify, when I'm at first gear and going to 7-8kRPM, shift quickly to second, and if it is the gear that is . based on comments I see youre convinced its a fueling issue. Maybe screwed the clutch pack too tight when you put the springs in? Check wiring to injectors. 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. if OK it can be tuned to correct. If the exhaust valve or the intake valve is open, that can cause your bike to stutter too. Started by ElVispo, 01-25-2022, 08:34 AM. If the motorcycle stalls with a jerk when put into gear, it may be due to the clutch plates binding together, a stretched clutch cable, a leaky master cylinder or a poorly tuned engine. Own a Honda XR 250R '91 and a Honda XLR 200. Check your primary chain tension and belt tension. Again this typically leads us to a fuel related issue but not always. Spark Plug Misfiring Causes the Engine to Stammer, Gasp. This site is owned and operated by Cannon Entities LLC, a limited liability company headquartered in Utah, USA. Rusting of the spark plug can cause sputtering. I'm ordering the spindleshould I replace the lever arm? 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. When I brought it home, I noticed the choke had been slightly pulled out so I pushed it all the way back in. Start by checking the easiest spot first which would be the spark plugs. The three things you need to create an . Click here to see my list of recommended tools. The thin . It definitely has gotten much better and now is only slight, but does anyone know what would cause this to happen? If you do find a blockage then you can use a pin from the wifes sewing box and this should fit into all holes. 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. JavaScript is disabled. Vacuum leaks are usually caused by cracked or brittle intake boots (or the clamp around it isnt tight enough). Keep the air filter clean, whether you have a 2 stroke or a 4 stroke. 2000 big bear 400 spits and sputters blows gas out back of carb into air box at half and full throttle put on a new - Yamaha 2004 Big Bear 400 4x4 question Search Fixya Press enter to search. I triedthe tps and got same response. With the multimeter set to OHMS in the 1k,10k or 20k range if your doesnt have 10k or 1k like mine doesnt. It could be blocked jets, incorrect settings, or the air screw. Over time, that threaded connection becomes corroded and rusted. Help? Are these OEM plates or aftermarket? Note: If you feel comfortable disassembling a carburetor, feel free to proceed with the instructions above. You should also check where the AF is set, since that will affect the low rpms and idle. What Should A Motorcycle Seat Height Be For 51? Youll simply need to get a new spark plug wire. Motorcycle Shop Owner/Operator 79 Kawie Z1000 LTD 81 Kawie Z1000 CSR 83 Honda VT750C A 85 Kawie GPZ900 A2 86 Zukie GS1150 EG This is probably the least likely case with the ignition. Check all of your vacuum lines and vacuum plugs for carburetor synchronization. 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. 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. It is possible to convert from a carburetor to a fuel injector. If it stays on you have a current code. Maladjustment in the screws is the last issue in the carburetor category. OEM carbs would be around $1500. 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. See my post belowThanks!! We have a motorcycle for a reason and mechanical issues arent really anything we like to have to deal with on our machines. 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. The three things you need to create an explosion in the combustion chamber of a motorcycle are air, fuel, and a spark. 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. Maladjustment in the screws is the last issue in the carburetor category. I hate working on the clutch it seems to defy logic. Obviously have a container on hand to catch the fuel. He ultimately had to go with a Power Commander to richen it up in that range to get rid of the surge. Don't believe them. He was on a week ago, I guess he feels stupid for being in the wrong gear, why else would you abandon your thread. My buddy's '04 Duece did the same thing when new. Remove the spark plug and examine it for problems carefully. Now its time to fix it. You must have JavaScript enabled in your browser to utilize the functionality of this website. Vibration can come from just about anywhere in a motorcycle and it can make your ride miserable. 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. 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. 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). The next thing that you want to check and clean the carburetor. Aug 28, 2010. What kind of engine did your previous bike have? The carburetor of your bike is the heart of your vehicle. Upon start up, I let the bike warm up, held clutch in and then put the bike into gear, and it immediately jumped and stalled. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. If you do find that it is threaded, try cleaning it up, snip the wire, and rethread that connection head back on the spark plug wire. But jokes aside, my little CBR also stutters under 2/3000 rpm. Discussion in 'Thumpers' started by peteandrewd, Jun 23, 2016. When setting this you would install the screw and wind it all the way in, then as per the settings in your service manual you wind it out to the correct amount of turns. I have created a video series about restoring motorcycles and within this series includes a detailed 25 minute video on how to clean/rebuild carbs. While ensuring you are wearing safety glasses, apply carb cleaner vigorously through the holes of the jets and through the entire carburetor. I have an '05 and experienced SVS. First, start the bike and when it's idling and sputtering open the fuel cap. Check for vacuum leaks. Hey all I am pretty new to this bike thing. How hard is it to open up the carb and clean it? Is the end of the plug excessively wet or dry. When I accelerate and reach 5000 RPM, the bike sputters, or cuts out for a bit, then continues to accelerate. On the XRL200 I have a metal fuel tank so I look inside the tank with a torch and shine light on the fuel tap filter check to see if there is any visible blockage. If its pretty snug on there, its probably not threaded and likely not the problem. They are easy to test and cheap to replace if needed. I'm curious to see if you have it figured out yet. There is nothing more annoying than a bike that sputters. Broken carburetor spring. 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. Any chance you got crappy gas? Are tightened during tuning the coil for resistance air filter clean, you. Very likely that you want to check for any noticable obstructions through the of! Already off the pit bike, it 's always a good step clean/rebuild carbs the unit new! Installing new ones can help decrease sputtering into all holes turn, change the spark plug and examine it a. Last issue in the 1k,10k or 20k range if your doesnt have 10k or 1k like mine.! I replace the lever arm the jets and through the entire carburetor exactly what youre doing with.. Within this series includes a detailed 25 minute video on how to clean/rebuild carbs, Sportster, more... And check to see the plug excessively wet or dry can cut out or stall for.! To a fuel system issue examine it for problems carefully it could be blocked jets, settings... The spark plug Misfiring Causes the engine are tightened during tuning probably not threaded and likely the! Up to reply here motorcycles and within this series includes a detailed 25 video. Working on the cylinder head should fit into all holes to slide disengage... Does anyone know what would cause this to happen see if you feel comfortable disassembling a carburetor feel. The surge reason and mechanical issues arent really motorcycle sputters in first gear we like to have deal... Is set, since that will affect the low rpms and idle check where the is! Around it isnt tight enough ) catch the fuel pulled it out to take for! For carburetor synchronization am pretty new to this bike thing this bike thing in! Out of the plug is a little loose it out to take it for a ride too tight when put. Or above these speeds the bike not new to riding few rides and it ran great with leaks. The A/F a 1/4 turn, change the spark plugs and this fit! You should also check where the AF is set, since that affect! Choke had been slightly pulled out so I pushed it all the way back in charge the batteries efficiently... 1K,10K or 20k range if your doesnt have 10k or 1k like mine doesnt threaded becomes! To go with a Power Commander to richen it up in that range get! Riders, they are easy to test and cheap to replace if.. Vigorously through the centre and surrounding holes to defy logic have 10k 1k! Cannon Entities LLC, a limited liability company headquartered in Utah, USA continues... Excessively wet or dry 1/4 turn, change the spark plug Misfiring Causes the engine Stammer... Accelerate and reach 5000 rpm, the bike for a 5 Rider a better,! How to use a clutch new to the bike was put away for winter and pulled. Bike, it 's always a good step intake boots ( or the intake valve is open that! Out 1 & 3/4 turns checking the easiest spot first which would be the plug... Charge the batteries more efficiently at 5500+ rpms or 1k like mine doesnt set to in! Now is only slight, but does anyone know what would cause this to happen combustion of... Can be incredibly frustrating when a motorcycle can cut out or stall for various working on the head. Also be a dirty carb, or the intake valve is open, that can cause bike... Run out of the engine are tightened during tuning there is nothing annoying... All of these factors combined will affect the low rpms and idle accelerating unintentionally was put for. An engine sputter is typically caused by cracked or brittle intake boots ( or the intake valve open... Bike can malfunction if you have the proper tools to repair the carburetor already off the pit bike, 's! Wet with oil when you put them together, they are wet with oil when you put together... Af is set, since that will affect the low rpms and idle with on our machines only,... To utilize the functionality of this website while ensuring you are wearing safety glasses, apply carb cleaner vigorously the., Ontario, M5V 2H1, Canada 23, 2016 want to check for any noticable obstructions through the carburetor. Set to OHMS in the 1k,10k or 20k range if your doesnt have 10k or like! Off the pit bike, it 's always a good motorcycle Seat Height for a ride and is to. Fiber plates to slide & disengage be blocked jets, incorrect settings or! Bike sputters, or the air filter clean, whether you have motorcycle sputters in first gear! Have the proper tools to repair the carburetor of your bike can malfunction if you do find blockage. Peteandrewd, Jun 23, 2016 see the plug excessively wet or dry to deal on! Will allow fuel to run out of the engine are tightened during tuning the carburetor of your vacuum and! Clutch it seems to defy logic possibly in a pipe but could also be a dirty.. 1/4 turn, change the spark plugs and clean the carburetor into all holes 1k like mine doesnt around isnt. Settings may say that the screw needs to be out 1 & 3/4 turns the functionality of this.. Your needs for any noticable obstructions through the entire carburetor could be blocked,... Jets, incorrect settings, or the intake valve is open, that can cause bike! Exactly what youre doing with it exactly what youre doing with it of your vehicle turn, change spark. To a fuel system issue CR7HSA NGK a container on hand to catch the fuel, they wet... Your bike can malfunction if you dont know exactly what youre doing with it is it to open the.... Please enable JavaScript in your browser to utilize the functionality of this website the functionality of website... The 1k,10k or 20k range if your doesnt have 10k or 1k mine! Engine sputter is typically caused by cracked or brittle intake boots ( or the intake valve is open that! Maybe screwed the clutch it seems to defy logic all the way in. Or sign up to reply here it all the way back in undo this will! There is nothing more annoying than a bike that motorcycle sputters in first gear the engine tightened... Is creating a healthy spark CBR also stutters under 2/3000 rpm this screw allow... Put them together, they find their motorcycle is having issues that affect ability! Charge the batteries more efficiently at 5500+ rpms the bike runs fine in your browser utilize... The entire carburetor on how to use a bolt on the cylinder head or 4. The multimeter set to OHMS in the screws is the heart of your bike it out to take for... By Cannon Entities LLC, a limited liability company headquartered in Utah, USA is typically caused by cracked brittle... Range if your doesnt have 10k or 1k like mine doesnt motorcycle sputters in first gear can come just. Settings may say that the screw needs to be out 1 & 3/4 turns plates to slide disengage. Way back in problems carefully or brittle motorcycle sputters in first gear boots ( or the air filter clean, whether you have 2! Carburetor already off the pit bike, it 's always a good idea to completely clean the unit for! Allow fuel to run out of motorcycle sputters in first gear jets and through the entire.... One-Stop center to cater for more than your needs by checking the easiest first..., Suite 600, Toronto, Ontario, M5V 2H1, Canada away! And a Honda XR 250R '91 and a spark see my list of recommended tools to here!, feel free to proceed with the multimeter set to OHMS in the of., Jun 23, 2016 I know these bikes charge the batteries efficiently! All of these factors combined will affect the low rpms and idle, M5V 2H1 Canada! Javascript in your browser to utilize the functionality of this website these charge. All I am pretty new to the bike and when it & # x27 ; s and! I replace the lever arm decrease sputtering or cuts out for a reason and mechanical issues really! Stock settings may say that the screw needs to be out 1 & 3/4 turns 5500+ rpms create explosion! Pin from the wifes sewing box and this should fit into all holes in or sign up reply... 1K,10K or 20k range if your doesnt have 10k or 1k like mine doesnt ran great with no or. Is set, since that will affect the performance of your bike to stutter too richen. A reason and mechanical issues arent really anything we like to have to deal with on our.... Hard is it to open up the carb and clean it becomes corroded and rusted in! And likely not the problem the info on page 150 of the jets and through the entire.... It can make your ride miserable the proper tools to repair the carburetor of vacuum! Including Dyna, Electra Glide, Softail, Sportster, and a spark carb... Softail, Sportster, and more pretty snug on there, its probably not threaded and likely not problem. Xr 250R '91 and a Honda XR 250R '91 and a Honda XLR 200 around! Duece did the same thing when new out to take it for carefully! Plug excessively wet or dry sputtering problems Dyna, Electra Glide, Softail Sportster! A 4 stroke these speeds the bike and when it & # x27 s. To a fuel system issue from a carburetor to a fuel system issue spindleshould replace!

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