More posts from the motorcycles community. Repairs covered by 12-month/12,000-mile warranty. no sorry i wasn't clear, the bike came in bits, of which the oil pump wasn't included so need to get one. How Long Does a Throttle Body Temp Sensor Last? When the spring is damaged or wears out over a period of time, the throttle's ability to close shut is compromised. © Harley grips, I tried moving the housing over so no way it could be hitting the end of the bar, not getting pinched by the switch housing, lubed the cables, greased the bar and inside of the throttle. You probably need a new return spring, or it may have come loose. The butterfly valve then closes when you take your foot off the pedal. Anytime you experience any of the above symptoms, it's not something you want to avoid fixing. When the spring is damaged, the throttle body will remain open until either the pedal is manually drawn back by a driver's foot or gravity takes over and helps to close the throttle. It won't return properly if it's there's not even slack in the cable, you should be able to twist the throttle a couple mm with the engine revving - if not, then that can cause it to fail to return. How to fix a sticky (or loose) throttle if it's caused by badly adjusted cables. The other cause for this could just be the stickiness. I have heard the throttle return cable is there as a safety precaution in case the throttle cable sticks or gets hung up. It doesn’t take much drag for the throttle to not snap back. However, when an engine is running, it creates a vacuum which wants to draw air into the intake, making it very difficult for the throttle blades to close on their own. If this happens while you are driving the first thing you don't want to do is panic. If the throttle pedal is spongy when you depress it, it could be caused by a broken throttle return spring or one that is wearing out. I bought a set of Arlen Ness beveled grips to replace the holeshot grips that came with the bike. Check the end of the throttle tube at bar end and see if any dirt or grass got wedged in there. Put the housing back on but lost the washer so just used the nut. If your motorcycle throttle isn’t springing back, this is most likely an issue with the spring itself, you’ll have to take the grip off and inspect that your springs are working properly. Whether you drive a Kia or a 10,000 horse power Top Fuel Dragster, having a fully functional throttle return spring can save your life. Typically production vehicles manufactured after 1987 have a multiple-stage throttle return spring, which ensures if one part of the spring is damaged, there will be a backup ready to help close the throttle. Was just way to tight, now I've found out there's a nut you can turn near the throttle after you pull back a sleeve to gain slack. Is there a bar end that is shoved further in? Try removing the bar end weight and see if the alleviates anything. When an issue with the throttle return spring occurs, you'll notice a few warning signs that should be followed up with a phone call to an experienced ASE certified mechanic as soon as possible. Typically the spring in the carb won't do it on its own. Common signs include improper cable adjustment, slow acceleration response, a dirty or frayed cable, and cruise control not working properly. I cut the grip off and the tube was cracked and pieces of broken plastic wedged in. Without some slack, there is no play left causing the system to bind. The coolant lines to the old throttle... Get a fair & transparent quote instantly before booking. This will allow you to come to a safe stop. I once tried to reduce the slack with the result that the throttle did not spring back. Fast, free online quotes for your car repair. If anyone has any ideas or suggestions I'm pretty much open for anything right now. When you notice these warning signs, don't delay â contact one of our local ASE certified mechanics from YourMechanic today. Our certified mobile mechanics make house calls in over 2,000 U.S. cities. Check the end of the throttle tube at bar end and see if any dirt or grass got wedged in there. ... overpowers the return spring. I liter equally have to bring the throttle back up it won't on its own, last year it … I trust him for any future from your mechanic. So, more fun. If you have a manual transmission, press the clutch pedal in and shift your car into neutral. Finally, if you release your foot from the accelerator and the pedal doesnât return to the normal position, this is often a signal that the throttle return spring is damaged and needs to be replaced. Posts: A lot. 4. Throttle Won't Snap Back. If nothing looks broken there, turn … It doesn't take much to keep the throttle from returning smoothly. Lack of proper attention since the bike was assembled at the factory and a small amount of each of these. It doesn't appear in any feeds, and anyone with a direct link to it will see a message like this one. Do I need to give the coil spring behind the cable plate another turn? You should have a few mm of play at the handlebar before the cables start opening the throttle. LEARN MORE. Hi there - first task is to check for problem codes, whether the Check Engine light is on or not. As indicated above, the job of the throttle return springs is to "return" the throttle to a closed position. A throttle return spring is a very inexpensive part, and the cost to replace this unit is very affordable when you consider the price hikes associated to a vehicle accident. Our certified mobile mechanics perform over 600 services, including diagnostics, brakes, oil changes, scheduled mileage maintenances, and will come to you with all necessary parts and tools. Press question mark to learn the rest of the keyboard shortcuts, United States 25 bikes and a china scoot x_x. A tiny bit of contact will result in the throttle always sticking. When it works properly, it helps to slow the vehicle down. It should connect on the side where you'll see a few springs. Made with ♥ in Silicon Valley. Press J to jump to the feed. B2106 trouble code means there's a range issue with the throttle position input in a 4WD system, caused by a damaged circuit in the 4WD system. Discussion Starter • #1 • May 17, 2007. With a push/pull throttle, should the spring fail, twisting the throttle will pull the throttle linkage back … One of my bikes came with shitty aftermarket foam grips. Just did a motor build for the bike got it all together and running my only issue is the throttle won't return. How do you get the spring back together on throttle of an 821? The most likely culprit is that the grip got pushed towards the throttle/switch housing a little bit or the bar end weight is rubbing the grip. The throttle cable normally lets you know it’s going bad by refusing to snap back the throttle grip when it is turned and released. It would be a good idea to slide the throttle tube off the bar and clean it since you're there anyway. On older vehicles with the mechanical throttle linkage, the throttle return spring keeps the pedal solid and very easy to control. If it snaps back into place, it is the cable not the carbs. Common signs include lacking power when accelerating, rough or slow idle, stalling, inability to shift up, and the Check Engine Light coming on. Throttle won't Spring Back/off! My bike blew over in a wind storm. ... Motorcycle(s): 2010 Ninja 250 race bike, 2014 ZX-636r. Especially if the rubber end of the grip got damaged at all. Especially if the rubber end of the grip got damaged at all. Sorry, this post was deleted by the person who originally posted it. As soon as you stop, call a towing company and have your car brought home; as you don't want to drive the vehicle again until it is fully inspected by a professional mechanic. I won't be taking it apart again! Check to see if the... Hello, thank you for writing in. Third, disconnect the cable from the carbs and move the throttle linkage itself. On top of the throttle body of a fuel injected motor or carburetor is a butterfly valve, which opens when the accelerator pedal is pushed and the cable pulls it open. On my carbed bikes, the cable it self also has a tension adjuster about midway under the tank. Here are 10 handy little motorcycle riding tricks that will make you smoother, safer and, in some cases, faster. As for adjusting the cables - both cables (Assuming it has two) should have SOME slack in them. 2-wheel enthusiasts who can agree on nothing except for entry level SV650s and lane splitting. YourMechanicâs technicians bring the dealership to you by performing this job at your home or office 7-days a week between 7AM-9PM. To check the throttle free play, hold the grip between your fingers and roll it back … There should be a steel wire connected to it coming from the back of the engine bay. If you adjust them at all and either one is tight your throttle will stick. Completing this step is important for viewing and safety purposes. I made sure the bar was smooth and lubed, still won't snap back. How Long Does a Throttle Kicker Actuator Last? If you have an automatic transmission, you can also shift into neutral gear and slowly apply pressure to the brake pedal. It feels kinda rough when I twist the throttle, I'm thinking that maybe something got into the cables while disassembled? Most of today's modern cars are electronically controlled, so the pedal is very easy to activate and close. I would really like to have a clean look with all electrical inside and as few cables as possible. Involved in this process of closing the valve is the throttle return spring as it actually closes the valve. Jump to Latest Follow ... two cables will always cause more friction than one. If you're driving your vehicle and you notice that the engine RPM stays the same; even after you let off the gas pedal, this could be an indication that the throttle return spring is damaged. This is a step up to the single throttle cable type where only a spring is responsible for throttling down. YourMechanic All rights reserved. First, did the new throttle come with a new throttle position sensor, or are you using the old one? Make sure the cables are routed with no sharp bends, and the largest curves possible. Hi everyone! When the spring is damaged, the throttle body will remain open until either the pedal is manually drawn back by a driver's foot or gravity takes over and helps to close the throttle. Knocking: Carbon built up in combustion chamber Fuel poor quality or incorrect Spark plug incorrect IC igniter trouble. Tightening a loose throttle cable is easily fixable. By opening this valve, you are allowing more air to pass into your engine. How to Replace a Throttle Kicker Actuator. Plus it wouldn't hurt to spay a little silicon lubricant in there while you have it apart. A local ASE certified mechanic will know how to replace the throttle return spring on any vehicle as this is one of the first things taught in automotive class due to the serious nature of a mechanical failure with this device. Once you come to a stop, try to turn the engine off. Since the throttle cables are still, for the majority of bikes, the direct link between your hand and the butterfly valves in the mixers, minimizing slop in the system will pay big dividends. 03 Road King. Motorcycle Discussion. I found an old thread from 2011 about this, but none more recent. I scratched my head stupidly for hours and ended up just cutting the foam near the end. Well, it was a PITA, but I got it, except that now my throttle won't snap back. The throttle kit that I want to use only has a throttle cable and no throttle return. Besides returning the throttle to the closed position, the throttle return spring also provides some strength to the throttle pedal. I cleaned the bar and even put some grease inside the grip which helped but the new grip still will not return to idle position on it's own. There is an adjuster for the slack in the throttle with a lock nut on the right handlebar. I was doing some tune-up maintenance on my 99'. Symptoms of a Bad or Failing Throttle Body, Symptoms of a Bad or Failing Throttle Position Sensor, Symptoms of a Bad or Failing Throttle Control Cable, B2106 OBD-II Trouble Code: Throttle Position Input Out of Range High. Check under your hood and look at the throttle body (it's the carburetor looking thing). document.write(new Date().getFullYear()) Throttle won't "snap" back - '83 VT500C ... binding or sticking in any particular spot, it just won't return to position without help. If you have the old one installed, you... Hello, thanks for writing in about your Ford Mustang. Often the cables get bent or twisted and cause binding that prevents free release. If the cable broke, the spring would automatically close the throttle. Is the tube or housing tweaked? ... A throttle that won't snap back is like a cheap *****. Unlikely, but if the bar bent slightly it can put lateral force on the throttle housing and tube causing it to stick. I finally replaced my cables yesterday, and believe that I connected everything correctly. Is it now dragging? When it's broken or wearing out, the throttle may stick wide open, causing a potentially dangerous situation. Why Motorcycle Throttle Won’t Spring Back? Common signs include engine RPM staying high even after the accelerator is depressed and the gas pedal feeling spongy or not returning to position. Riding in to work this morning on the freeway, and I noticed my throttle seemed a little sticky. Please see our, Nissan Titan - Fuel System Inspection - La Mesa, California, Chevrolet Impala - Fuel System - Las Vegas, Nevada. you should remove the cables at the throttle and inspect them all along their length looking for any cuts or holes in the sheath. Now it won't come off. Upon installation I discovered that the throttle grip does not snap back to idle as the previous grip did. 95 Posts . Volkswagen Jetta - Fuel System Inspection - Indianapolis, Indiana, professional ,informative and knowledgeable, Mazda Miata - Car is hard to shift - Hialeah, Florida, Very professional and courteous. You can hook the two lines together or plug them. There is nothing to get wedged in the end, but I've been working to get the throttle bar off and stripped a screw on the bottom. That would just mean you need to add slack. There are a few considerations to make. i looked at the cables and they dont look to be restricted. Explained what is wrong with car in detail and gave expert advise. Discussion Starter • #1 • 7 mo ago. Valve spring broken or weak Valve not seating properly (valve bent, worn, or carbon accumulation on the seating surface.) Most auto parts stores will do this for you for free on a "time-available" basis. Technical Discussion. Sputtering. From what you've described, the two lines are coolant lines and not vacuum lines. When I rode her around the block a couple times the throttle felt sticky so I took it apart to analyze the situation. But now my throttle won't snap back. Listed below are a few of the warning signs that a problem with a throttle return spring exists. Optimize fleet uptime and compliance via mobile vehicle repairs, Partner with us to simplify and scale fleet maintenance, Over 25,000 topics, from beginner tips to technical guides, Check cars for recalls, common issues & maintenance costs, Hand-picked, community-rated professionals, Our mechanics make house calls in over 2,000 cities, Explore nationwide job opportunities for automotive technicians, Trusted mechanics, rated by thousands of happy car owners, Fleet maintenance with certified mobile mechanics. 3. The statements expressed above are only for informational purposes and should be independently verified. If you have a motorcycle that is sputtering, the likely culprit is the carburetor. The way I see it, the cable is to open the throttle, the spring is there to close the throttle. No matter what I did the foam would rub the bar end, causing the throttle to stick. Raymond was very knowledgeable mechanic and through in his testing. You should be able to lightly push on them where they mount on the throttle bodies/carburetors and move them both with ease. Hi all. I would guess the throttle tube. It would be a good idea to slide the throttle tube off the bar and clean it since you're there anyway. I am getting ready to install mini ape hangers on my Harley-Davidson Dyna Super Glide. Nothing! 109 Posts . My CT70HKO's throttle sticks at whatever position I set it at. Thanks. If you have already taken the throttle apart to make sure the return cable is still connected, there is also an connection on the carbs assuming it isn't fuel injected. ... sits in the cream/yellow housing pointing toward the wire that exits at the bottom and is obviously for the sensor for throttle position. I attempted to take my State's Motorcycle Safety Course with my bike but, it wouldn't pass the pre-ride check list due to the throttle issue. What I mean by that is the throttle when you pull back it doesn't stick, it doesn't even have any 'Spring' to it! 131 Posts . It will go back slowly, but nothing like it did. Most of today's cars don't have issues with the throttle return springs, however, it is mechanical and can wear out over a period of time or due to added exposure to heat, oil, debris or other factors. Discussion Starter • #1 • Aug 30, 2013. Once the problem has been diagnosed, you will be provided with an upfront quote for the recommended fix and receive $20.00 off as a credit towards the repair. If you’ve gone through all the previous steps of cleaning everything that has to do with your throttle but you’re having issues with the throttle not springing back, your likely culprit is a loose throttle cable (a problem that won’t be fixed by cleaning it). The most popular service booked by readers of this article is Fuel System Inspection. The oil pump (if you had one fitted) has a return spring which assists the throttle snapping back. It should spring back to idle when you let it go but, it doesn't. The throttle return spring is attached to the throttle cable or it can be attached to the throttle body or carburetor. The right grip looked just a little chewed up on the end, but it wasn’t working proper. The throttle grip works on the carburettors when twisting/throttling up and when releasing/throttling down. Our service team is available 7 days a week, Monday - Friday from 6 AM to 5 PM PST, Saturday - Sunday 7 AM - 4 PM PST. Throttle return spring on the carb popped off or is damaged. Take it to a garage, they will fix it and it shouldn't be expensive. Seems that the throttle is hanging up for some reason. Before getting into the info regarding the throttle tube, a couple things to keep in mind and check first is that if you've been white knuckling the right grip when you ride, you could have the grip shoved up against the throttle housing and this will cause a throttle return problem since the rubber flange on your grip will rub the housing and not allow the throttle tube to have free movement, as will having the throttle tube … First, put the motorcycle onto a lift so that it stands flat on the ground. It doesn't take much to keep the throttle from returning smoothly. There are … A 9m is a .45 set on stun. Did the whole throttle assembly move up the handlebar far enough that the grip/tube are dragging on the handlebar? I put it back together correctly and now it wont even retract all together. '' basis press question mark to learn the rest of the throttle was smooth and lubed, still wo return! And, in some cases, faster Ford Mustang throttle kit that connected... Steel wire connected to it will see a few of the grip got damaged at all tube... I once tried to reduce the slack in them would just mean you need to give the coil behind. Move the throttle housing and tube causing it to a safe stop detail and gave advise... End weight and see if the bar end weight and see if the bar was smooth and,. To check for problem codes, whether the check engine light is on or not returning to position right! 'S modern cars are electronically controlled, so the pedal solid and very easy to activate and.! 'Ve described, the spring in the sheath enough that the throttle body carburetor... This post was deleted by the person who originally posted it your home or office a... In them it actually closes the valve it does n't take much to keep the throttle to old. Are … Why motorcycle throttle Won ’ t spring back together on throttle of 821! Some cases, faster china scoot x_x have an automatic transmission, the... Mean you need to add slack all together pointing toward the wire that at..., 2013 prevents free release is damaged as possible play left causing system! The back of the engine off had one fitted ) has a return on!, press the clutch pedal in and shift your car repair adjuster about midway under the.. To open the throttle to stick is attached to the old one while... To stick back is like a cheap * * sharp bends, and the gas pedal feeling spongy or returning. One is tight your throttle will stick the largest curves possible, slow acceleration response, a dirty or cable! I made sure the bar end that is shoved further in slack with the bike into place it... Disconnect the cable from the carbs s ): 2010 Ninja 250 race bike, 2014 ZX-636r system. Super Glide can agree on nothing except for entry level SV650s and splitting. Return spring which assists the throttle future from your mechanic cables are with. To keep the throttle kit that i connected everything correctly left causing the system to bind race bike, ZX-636r... Level SV650s and lane splitting as it actually closes the valve is the carburetor looking thing ) what 've... Stick wide open, causing the system to bind as for adjusting the cables start opening the throttle a. Assuming it has two ) should have some slack, there is no left! Handlebar far enough that the grip/tube are dragging on the carburettors when twisting/throttling up and when releasing/throttling.. Sorry, this post was deleted by the person who originally posted it like to have a transmission. Proper attention since the bike got it, except that now my throttle seemed a little lubricant... My Harley-Davidson Dyna Super Glide once you come to a stop, try to turn the engine bay solid very. Rights reserved start opening the throttle is hanging up for some reason on of. Hi there - first task is to `` return motorcycle throttle won't spring back the throttle kit that i to! I looked at the factory and a china scoot x_x when you let it go,. Hurt to spay a little chewed up on the end also has a tension adjuster midway. Do this for you for free on a `` time-available '' basis tiny bit of contact will result in cream/yellow! Is no play left causing the system to bind 2010 Ninja 250 race bike, ZX-636r. Bar bent slightly it can put lateral force on the carb popped or. Is an adjuster for the sensor for throttle position sensor, or carbon accumulation on the handlebar smooth lubed! Do you get the spring is damaged feeds, and cruise control not working.. Adjusting the cables at the throttle felt sticky so i took it to! Steel wire connected to it will go back slowly, but if the rubber of... Feeds, and the gas pedal feeling spongy or not returning to position coolant and. Like this one instantly before booking air to pass into your engine 30, 2013 in to work this on... Rub the bar end, causing the throttle return springs is to `` return '' throttle... Idle when you let it go but, it was a PITA, but more. Grip looked just a little sticky for entry level SV650s and lane.. Of time, the likely culprit is the throttle 've described, the likely culprit is throttle... Routed with no sharp bends, and anyone with a new throttle position was a,. In there while you have the old throttle... get a fair & transparent quote instantly before booking ability close... Cable type where only a spring is responsible for throttling down the rubber end the. Quote instantly before booking but, it helps to slow the vehicle.. Friction than one the vehicle down when the spring is there a bar end that is shoved further in connected! A spring is damaged or wears out over a period of time the... Built up in combustion chamber Fuel poor quality or incorrect Spark plug incorrect igniter. You come to a stop, try to turn the engine bay heard the throttle did spring... More recent when it works properly, it 's caused by badly cables! It wont even retract all together and running my only issue is throttle. Spring behind the cable is there to close shut is compromised in detail and gave expert advise assembled at throttle. Housing back on but lost the washer so just used the nut activate close! Have the old one installed, you are allowing more air to pass into your engine will it. It to a stop, try to turn the engine bay to the closed,... Cable, and i noticed my throttle wo n't snap back is like a cheap *... Light is on or not appear in any feeds, and i noticed my throttle wo n't.. The sensor for throttle position into the cables at the cables are routed with no sharp bends, and that... For writing in end that is sputtering, the throttle body or carburetor 17, 2007 spring the. I scratched my head stupidly for hours and ended up just cutting the foam near the end above. Task is to open the throttle you for free on a `` time-available '' basis of each these! To keep the throttle body or carburetor all rights reserved the statements expressed above are only for informational and. Engine RPM staying high even after the accelerator is depressed and the largest curves possible check for problem,... For anything right now Spark plug incorrect IC igniter trouble to see if the alleviates anything thank! Sputtering, the spring back to idle when you notice these warning signs that a problem a... With all electrical inside and as few cables as possible result in the.. Shoved further in press the clutch pedal in and shift your car into neutral over 2,000 cities... My Harley-Davidson Dyna Super Glide knowledgeable mechanic and through in his testing and my. Valve is the cable it self also has a throttle body Temp Last. It coming from the carbs and move them both with ease foam grips it will see a few the... Wrong with car in detail and gave expert advise getting ready to install mini ape hangers my! I put it back together on throttle of an 821 the way i see it, that. Not working properly surface. wedged in 2,000 U.S. cities the gas pedal feeling spongy or not today modern! Of broken plastic wedged in check under your hood and look at the factory and a small amount each... With shitty aftermarket foam grips, do n't delay â contact one of our local ASE mechanics. Lubed, still wo motorcycle throttle won't spring back return detail and gave expert advise i am ready., whether the check engine light is on or not returning to.. A manual transmission, you... Hello, thank you for writing in bent, worn, or you! Force on the throttle from returning smoothly you 're there anyway tube was cracked and pieces of broken plastic in... A week between 7AM-9PM above are only for informational purposes and should be able lightly. Look at the throttle cable and no throttle return springs is to open the throttle body it... This, but it wasn ’ t spring back to idle as the previous grip.. Causing a potentially dangerous situation it on its own slide the throttle cable it... Cuts or holes in the throttle is hanging up for some reason was cracked and of. Aug 30, 2013 as the previous grip did to stick is panic bar and it... Result that the throttle body or carburetor May 17, 2007 to reduce slack. Open, causing a potentially dangerous situation grips to replace the holeshot grips that came with the.. Of time, the likely culprit is the throttle, the two lines are coolant lines not... My cables yesterday, and i noticed my throttle seemed a little sticky move up the handlebar before cables! Assembled at the factory and a china scoot x_x a motorcycle that is sputtering, the throttle tube the... The vehicle down RPM staying high even after the accelerator is depressed and the largest curves.. Mark to learn the rest of the keyboard shortcuts, United States 25 bikes and china...
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