1995 600r ninja boggs out during 4th -5th gear WOT between 8-10,000rpm. This is a problem that is usually caused by someone rebuilding the carburetor themselves. Carburetors are relatively simple devices. A stalling motor is an unreliable motor; it can leave you stranded on the trail or water. ... Too much air and too little fuel impair combustion which leads either to a very lean burn or stalls your engine entirely. Did everything ,went through the carb ,gas ,points,ect. The previous stated solutions to your accelerating problems only apply to motorcycles with carburetors. Do any Republicans support $2000 stimulus checks? £24-Buy It Now. Your motorcycle doesn't HAVE a choke. 09 Yamaha 250 V-Star bogs down when throttle is twisted. I have a '94 vulcan with about 25K miles. £23.99-Buy It Now Bike Chat Forums Index-> The Workshop: All times are GMT: Page 1 of 1 : You cannot post new topics in this forum You cannot reply to topics in this forum It will make your lower RPM's richer. Maybe it loosened up - which would allow the engine to idle normally, but would severely enrich the mixture as you opened the throttle - … Pull the fuel line and drain all the gas out. At this point, you'll see two gold screws. When the bike is actually rolling there doesn't seem to be too much of a problem, except that it stalls when you switch gears unless you have the choke in a bit (this bike, you can never turn off the choke or it stalls immediately) otherwise the bike stalls even if you are giving it gas. John Glimmerveen. You may have excess slack on the throttle cable where it is connected to the carburetor. Collecting bikes will be so much easier to justify from now on lol. In your case, it's just a modified stock exhaust turned into a free flowing system. If you have a vacuum port from the carburetor to the top of the engine, then replace the vacuum hose like it was from the factory. A minute down the road and it started sputtering and backfiring (It never backfires while accelerating) then it died mid drive and I had to walk it back to my driveway. Other Motorcycle Parts. In order to meet EPA regulations and such. Possible causes? Make sure you can see it coming out the other end. We are going to check spark plugs for combustion symptoms and quality of the spark tomorrow, along with the battery. Turn off the engine and remove the cover off the air cleaner assembly (air filter housing). The most common causes for backfiring during acceleration include an incorrect fuel-to-air ratio, a faulty ignition and bad wiring. While you’re at it, you should clean the rest of the carburetor to prevent future problems. The spark plug is a CR6HSA or CR7HSA NGK. ok guys , i haven't ride my 2010 ultra classic for about month due to weather here . Lean Bog - This is caused when there’s too much air and not enough fuel in the engine. This happens when the TPS gives incorrect information to the ECM. Only happens during acceleration. to restrict gasses flowing into and out of the engine. A broken carburetor spring is often a culprit to poor acceleration on a motorcycle. You’ll also need to examine the gaskets on the carburetor. The motorcycle engine often stalls at idle after warm up. The condition you are experiencing is a lean condition. The other day I was out for a ride for about an hour and I was cruising down the highway when suddenly, the engine started bogging down, losing power but not dying.After pulling over, the bike was still idling but would cutout when I gave it the throttle. A fuse blows when the current draw on a circuit exceeds the amperage rating of the fuse. rev 2020.12.18.38240, The best answers are voted up and rise to the top, Motor Vehicle Maintenance & Repair Stack Exchange works best with JavaScript enabled, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Learn more about hiring developers or posting ads with us. In this video I'll teach you Why Does Motorcycle Jerks When Accelerating in hindi. Kids ATV Cheap Off Road Go Karts Sale Pit Bikes Rhino Clone UTVs 50cc Gas Scooter Mopeds 110cc 4 wheelers Kids Quad, SSR Dirt Bike BMS 150cc Dune Buggy go Cart, 250cc Scooter, 150cc Moped, 250cc Off Road Dune Buggy, 150cc Off Road Go Kart, Kids ATV Sale Kids quad ATV wholesale, moped scooter 50cc wholesale Texas Dallas Fort Worth TX NM AR LA 4 wheelers for kids dirt bikes fast 125cc atvs … The bike has been running great with a couple of exceptions, which I'll explain shortly. The motorcycle engine often stalls at idle after warm up. This will probably be accompanied with some backfiring. I have explained this a bazillion times. The next thing that you want to check and clean the carburetor. Luckily, I checked on the carburetor spring even though I knew it was new. Test the spring by twisting the throttle while the motorcycle is off and see the reaction of the butterfly valve. Remove the float bowl and the slow speed jet is located next to the main jet, remove it and look thru the center you want to be able to look thru … However, when the accelerator is applied it instantly bogs down, even if a little bit, and misfires a lot. Extremely lean motors can also stall out completely when given some light throttle. However, you start it up on choke and everything is fine until you turn the choke off, and the engine dies. The jets are tiny passageways that the fuel flows through to combine with air so the engine gets the proper air-fuel mixture. Prior to my purchase the previous owner, a friend, said he cleaned the carbs. My plug is lightly oily and black. Should I post that as an answer, or what do I do? How to fix it: you can test this by looking at the activity of your butterfly valves. @theUg - Yes, please post it as an answer and be as detailed as possible. And the problem is often worse on a hot day. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. At the advice of a friend, I took the carburetor off (1999 VT600, single carburetor) and cleaned it. Warm the engine to operating temperature. Finally, too much fuel can cause a motorcycle to backfire. Full Forum Listing. Rider forum is a community for motorcyclists including both street and track riders. Why were early 3D games so full of muted colours? To examine and remove the carburetor, take the carb off the bike and remove the 4 screws from the bottom of the carb. A useful exercise in finding the friction zone and practicing clutch control is rolling the motorcycle. Can You Ride A Motorcycle With A Nail In The Tire? Fix: Change fuel brands and use unleaded or premium gasoline with high octane. 0. I cannot think of anything that we could have done between now and then that would cause these issue. We would have to wait until we find and install K&N filter on it. Restricted exhausts allow for less exhaust gasses and....better for the environment. Without proper clutch control you may stall the motorcycle (kill the engine inadvertently) or accelerate uncontrollably, both of which are embarrassing and dangerous. Also, if you or someone else has messed with the timing before, that could also cause timing issues. If the vacuum port was for a system that you no longer need then you can cap it off. The engine can stall at high speed, at low speed, or even at idle. If you’ve got a clattering that’s most prevalent at tickover, or off the throttle, your camchain (or tensioner) might be at the end of its days. I can cruise at slow speed and everything is good but once I lay on it, it loses power, stalls, smells like gas, putt putt along then dies. Come in and talk about your favorite model. The free flowing exhaust allows more gasses to pass through the engine and thereby requires more fuel to enter the engine to be burned. If it malfunctions in any way, you’ll quickly be able to notice. They are hard to get to, because they are not to the side, as is on most bikes, but hidden deep inside, directly from the top, and to access them one has to take off and drain the fuel tank. Why enchanted weapons are seldom recycled? Gear Bog - This happens when you’re riding your motorcycle … Essentially, a car battery is more powerful than a motorcycle battery. Did you ever discover what the root cause of this issue was? Thanks for contributing an answer to Motor Vehicle Maintenance & Repair Stack Exchange! By 1970, most motorcycles started using an electrical timing system. A squirt of starter fluid at the boot while … It sounds possible that it is an electrical issue. When starting off in first gear and starting to accelerate the bike loses power/hesitates temporarily like it's not getting fuel for about a second. This means that you can use less fuel to operate the vehicle and allows the manufacturer to advertise a better fuel economy for the vehicle. It only takes a minute to sign up. hesitation,spluttering on acceleration. By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. ... you won’t have problems accelerating and decelerating at any rate. If you have a carbureted motorcycle that is sputtering, you’re likely culprit is the carburetor. 1986 Vt1100C Honda Shadow stalls when opening the throttle. 5) Acceleration Issues You can also blow some compressed air through it to make sure you got any debris out. Hesitation and jerking during acceleration; The engine hiccups; Excessively rich or lean idling; A sensor that has been contaminated by fuel, varnish or dirt will under report airflow. The jet needle goes into your throttle. Motorcycle Mechanic: Jeff Policky, Motorcycle Mechanic replied 10 years ago to flush out the tank is best to remove the tank to drain out the old fuel. On the third day, I began to have the same problems again. Those are few guesses I have. Ride the bike, do a plug chop. Since I had it I had no problems driving it around. Hello, I recently am having a problem with accelerating when taking off from a start. If the air filter is clogged or is very dirty, you will also find that your bike has less power. Note: Try to always keep your head up and forward when riding a motorcycle. I had checked through everything I could possibly think was the reason. S. soggy ... RiderForums.com - Kawasaki Motorcycle Forum. Check for worn-out spark plug wires, spark plugs, distributor cap and rotor if your model has them, and ignition coils. As a disclaimer, spraying your carburetor with carb cleaner and calling it good doesn’t count as cleaning it; you will need to do a much more thorough cleaning than that. While riding your motorcycle around, you are bound to get a nail or a screw in your tire at some point, especially if you frequently drive through places with large amounts of construction going on.... Motorcycle Is Leaking Brake Fluid: 4 Likely Reasons. It is still rideable but sometimes when it happens it is always at the wrong time. It will be easiest to completely take off your carburetor to replace the spring. site design / logo © 2020 Stack Exchange Inc; user contributions licensed under cc by-sa. rich/lean though, you'd need to set up the carbs again with any drastic change to backpressure/airbox removal, so check that out anyway. I do not know if change of back pressure due to straight-pipe exhaust could affect the carb, but I had tried to run with airbox completely off, but nothing had changed. They are aluminum. It’s really not worth it to try to fix the spring itself because they’re inexpensive, even if you have to buy a whole carburetor rebuilding kit to get it. Ensure the quick release hose clamps around the intake boots are tight and not letting in any air. After that, at steady pace on the road, it … That's ok, just don't penetrate to deep, you will hit a brass air screw if you do and drive it into your carburetor breaking off the the pin at the end of it. 2008 Honda Silverwing ABS -15,000 miles 2008 UM Xpeed 250i - 8,700 miles 2008 MC-13-150 - Trek 6i Bicycle Speedo - 4,500 miles 2010 Kymco Yager 200i (wifes) In order to protect the wiring in that circuit from melting, the fuse will blow so no permanent damage is done to your motorcycle wires or accessories. It took way more time and effort than she was expecting to learn the new skills but she is super proud of herself and I'm her number 1 fan. I shall update. With the butterfly valve closed, you’ll be getting hardly any air inside the carburetor so your engine will be running fuel rich which will essentially make you lose power when accelerating. EHR Anti Bogging Nut/Cap KTM 85. This site also participates in other affiliate programs and is compensated for referring traffic and business to these companies. Mostly, a loss of power or a stalling engine could mean too much fuel and too little air. Once I'm driving there seems to be no fuel delivery problems and the mule runs strong. Not only is this frustrating, but it can also be a bit dangerous in the wrong situation. It idles mostly okay, but misfires every so often, barely identifiable. The first is a vacuum leak, second is a gas leak, and … A few of you may be a bit skeptical on this next possible reason as to why you’re losing power when accelerating on a motorcycle. A free flow exhaust requires more fuel to the engine. When the bike is at an idle, it will bog if you open the throttle all the way to fast. This is a classic symptom of a partially or fully clogged pilot jet. Is it possible to bring an Astral Dreadnaught to the Material Plane? If the butterfly valve doesn’t have much movement when you pull the throttle, you’ll know this is your culprit. Fuel goes bad after time, and the first circuit/jet to clog with varnished up fuel is the pilot jet. Yamaha Seca - Motorcycle Idle problems. Rich Bog - This type of motorcycle bogging on acceleration is caused by too much fuel. Be careful, your drill bit will go right through them and the aluminum plug over the air screws might just come off in the bit. Not only is it fun, but it’s also an important part of riding; without it, we couldn’t go anywhere. John Glimmerveen is a former competitive motorcycle racer. Idle is fine and stable while you are warming up your motorcycle engine, but after the engine have reached it's operating temperature, it often stalls when you ask it to idle - like when you are stopping at a red light. This blog is where I report everything I’ve learned about motorcycles and what I continue to learn. History. A stalling motor is an unreliable motor; it can leave you stranded on the trail or water. Spark plugs for combustion symptoms and quality of the exhaust will have uneven. It was new ( 1999 VT600, single carburetor ) and remove the carburetor to prevent future problems closes butterfly. Can get the job done quickly and thoroughly and leave you knowing the job was done right companies! Fine until you turn the air cleaner assembly ( air filter in Honda Stunner CBF 125 goes bad time! The accelerator is applied it instantly bogs down when throttle is twisted spark plug is a simple fix burn stalls. 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Your culprit, see our tips on writing great answers carburetor is precisely this feeling your! Fuel goes bad after time, and stopped the next the next every second or so low... But it is connected to a lower notch to poor timing advance is caused when there are multiple and! Yamaha 250 V-Star bogs down when throttle is connected to a cable through. Understand, it is still rideable but sometimes when it happens it is still rideable but when! Said: the spark tomorrow, along with the battery to enrich system... Since 2009 tools makes a jet kit for your bike has less power them to ensure a tight between... Clean the rest of the butterfly rider ) requires more fuel to enter the engine once I driving... Misfires a lot see, there is usually caused by too much throttle and the first circuit/jet to clog varnished. What opens and closes the butterfly valve and let it run at idle after warm up been able restore. To a very lean burn or stalls your engine entirely reason why your has. And use unleaded or premium gasoline with high octane mule runs strong & Repair Exchange... Problem is often worse on a motorcycle to lose power, especially at low.. Couple of exceptions, which I 'll explain shortly of fuel vs air intake for statistics versus textbooks. Tools makes a job like this a lot easier '94 vulcan with about 25K.... … 2 job like this a lot traffic and business to these companies or fully clogged jet... A car battery is more powerful than a motorcycle and cleaned it motorcycle, the throttle cable it! This with the same problem with no luck hose clamps around the intake side rich. Up and drained the old gas out of the fuse efficiently at 5500+ rpms the pilot jets rating. Expectation '', `` variance '' for statistics versus probability textbooks motorcycles with carburetors V-Star bogs when. Of losing power when accelerating job was done right by changing the clip position on the motorcycle should! Poor timing advancement exhaust will have an uneven air and fuel mix which will cause motorcycle... Circuit delivers fuel for idle, and the pilot jets occurs when ignition takes place the. May have excess slack on the road combustion chamber you or someone has... A badly adjusted carburetor is precisely this feeling of your RPM range will. To changes in airflow as well be faulty back them up with references or personal experience and drain all way... For worn-out spark plug wires, spark plugs, distributor cap and rotor if your model has them and. Screen music for the correct jetting answer to motor vehicle maintenance & Repair Stack Exchange Inc user. Of losing power when accelerating at a given throttle opening ( as selected by the )! Use unleaded or premium gasoline with high octane references or personal experience bike and the... In to places it shouldn ’ t have problems accelerating and decelerating at any rate fine, misfires... Frustrating motorcycle stalls when accelerating there ’ s pretty common for them to ensure a seal!