This is a step up to the single throttle cable type where only a spring is responsible for throttling down. 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. I made sure the bar was smooth and lubed, still won't snap back. no sorry i wasn't clear, the bike came in bits, of which the oil pump wasn't included so need to get one. If the cable broke, the spring would automatically close the throttle. Most of today's modern cars are electronically controlled, so the pedal is very easy to activate and close. Discussion Starter • #1 • Aug 30, 2013. 03 Road King. Common signs include lacking power when accelerating, rough or slow idle, stalling, inability to shift up, and the Check Engine Light coming on. Discussion Starter • #1 • 7 mo ago. By opening this valve, you are allowing more air to pass into your engine. Common signs include engine RPM staying high even after the accelerator is depressed and the gas pedal feeling spongy or not returning to position. But now my throttle won't snap back. My bike blew over in a wind storm. Typically the spring in the carb won't do it on its own. Nothing! If you have an automatic transmission, you can also shift into neutral gear and slowly apply pressure to the brake pedal. I liter equally have to bring the throttle back up it won't on its own, last year it … Plus it wouldn't hurt to spay a little silicon lubricant in there while you have it apart. You can hook the two lines together or plug them. You should have a few mm of play at the handlebar before the cables start opening the throttle. © Is there a bar end that is shoved further in? When it's broken or wearing out, the throttle may stick wide open, causing a potentially dangerous situation. 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. Explained what is wrong with car in detail and gave expert advise. Common signs include improper cable adjustment, slow acceleration response, a dirty or frayed cable, and cruise control not working properly. I would really like to have a clean look with all electrical inside and as few cables as possible. It would be a good idea to slide the throttle tube off the bar and clean it since you're there anyway. If anyone has any ideas or suggestions I'm pretty much open for anything right now. It will go back slowly, but nothing like it did. 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 … How do you get the spring back together on throttle of an 821? Technical Discussion. It doesn't take much to keep the throttle from returning smoothly. 4. How to Replace a Throttle Kicker Actuator. If this happens while you are driving the first thing you don't want to do is panic. If you have a motorcycle that is sputtering, the likely culprit is the carburetor. The oil pump (if you had one fitted) has a return spring which assists the throttle snapping back. That would just mean you need to add slack. From what you've described, the two lines are coolant lines and not vacuum lines. 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. When the spring is damaged or wears out over a period of time, the throttle's ability to close shut is compromised. It doesn’t take much drag for the throttle to not snap back. Here are 10 handy little motorcycle riding tricks that will make you smoother, safer and, in some cases, faster. Why Motorcycle Throttle Won’t Spring Back? Once you come to a stop, try to turn the engine off. I put it back together correctly and now it wont even retract all together. Thanks. The way I see it, the cable is to open the throttle, the spring is there to close the throttle. I have heard the throttle return cable is there as a safety precaution in case the throttle cable sticks or gets hung up. Check under your hood and look at the throttle body (it's the carburetor looking thing). No matter what I did the foam would rub the bar end, causing the throttle to stick. 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. 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. When I rode her around the block a couple times the throttle felt sticky so I took it apart to analyze the situation. How to fix a sticky (or loose) throttle if it's caused by badly adjusted cables. Especially if the rubber end of the grip got damaged at all. Please see our, Nissan Titan - Fuel System Inspection - La Mesa, California, Chevrolet Impala - Fuel System - Las Vegas, Nevada. How Long Does a Throttle Kicker Actuator Last? Sputtering. Listed below are a few of the warning signs that a problem with a throttle return spring exists. Did the whole throttle assembly move up the handlebar far enough that the grip/tube are dragging on the handlebar? When it works properly, it helps to slow the vehicle down. One of my bikes came with shitty aftermarket foam grips. LEARN MORE. 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. I bought a set of Arlen Ness beveled grips to replace the holeshot grips that came with the bike. On older vehicles with the mechanical throttle linkage, the throttle return spring keeps the pedal solid and very easy to control. 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. Is it now dragging? 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. A 9m is a .45 set on stun. Most auto parts stores will do this for you for free on a "time-available" basis. 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. The coolant lines to the old throttle... Get a fair & transparent quote instantly before booking. Posts: A lot. Take it to a garage, they will fix it and it shouldn't be expensive. Just did a motor build for the bike got it all together and running my only issue is the throttle won't return. The throttle return spring is attached to the throttle cable or it can be attached to the throttle body or carburetor. The other cause for this could just be the stickiness. I finally replaced my cables yesterday, and believe that I connected everything correctly. Is the tube or housing tweaked? ... overpowers the return spring. 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. It feels kinda rough when I twist the throttle, I'm thinking that maybe something got into the cables while disassembled? document.write(new Date().getFullYear()) Repairs covered by 12-month/12,000-mile warranty. 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 should remove the cables at the throttle and inspect them all along their length looking for any cuts or holes in the sheath. Involved in this process of closing the valve is the throttle return spring as it actually closes the valve. Raymond was very knowledgeable mechanic and through in his testing. As for adjusting the cables - both cables (Assuming it has two) should have SOME slack in them. Valve spring broken or weak Valve not seating properly (valve bent, worn, or carbon accumulation on the seating surface.) 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. The throttle grip works on the carburettors when twisting/throttling up and when releasing/throttling down. Motorcycle Discussion. It doesn't take much to keep the throttle from returning smoothly. YourMechanic’s technicians bring the dealership to you by performing this job at your home or office 7-days a week between 7AM-9PM. If it snaps back into place, it is the cable not the carbs. Now it won't come off. Knocking: Carbon built up in combustion chamber Fuel poor quality or incorrect Spark plug incorrect IC igniter trouble. The most popular service booked by readers of this article is Fuel System Inspection. There is an adjuster for the slack in the throttle with a lock nut on the right handlebar. It doesn't appear in any feeds, and anyone with a direct link to it will see a message like this one. Completing this step is important for viewing and safety purposes. Anytime you experience any of the above symptoms, it's not something you want to avoid fixing. Hi all. I won't be taking it apart again! 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. 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. It should spring back to idle when you let it go but, it doesn't. Check the end of the throttle tube at bar end and see if any dirt or grass got wedged in there. Discussion Starter • #1 • May 17, 2007. My CT70HKO's throttle sticks at whatever position I set it at. First, put the motorcycle onto a lift so that it stands flat on the ground. Tightening a loose throttle cable is easily fixable. Press J to jump to the feed. 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. First, did the new throttle come with a new throttle position sensor, or are you using the old one? A tiny bit of contact will result in the throttle always sticking. I trust him for any future from your mechanic. Our certified mobile mechanics make house calls in over 2,000 U.S. cities. You should be able to lightly push on them where they mount on the throttle bodies/carburetors and move them both with ease. Besides returning the throttle to the closed position, the throttle return spring also provides some strength to the throttle pedal. 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. There should be a steel wire connected to it coming from the back of the engine bay. 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. 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. When you notice these warning signs, don't delay – contact one of our local ASE certified mechanics from YourMechanic today. There are … The right grip looked just a little chewed up on the end, but it wasn’t working proper. If you have a manual transmission, press the clutch pedal in and shift your car into neutral. This will allow you to come to a safe stop. ... Motorcycle(s): 2010 Ninja 250 race bike, 2014 ZX-636r. So, more fun. YourMechanic All rights reserved. Made with ♥ in Silicon Valley. On my carbed bikes, the cable it self also has a tension adjuster about midway under the tank. Throttle Won't Snap Back. Throttle won't Spring Back/off! 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). It would be a good idea to slide the throttle tube off the bar and clean it since you're there anyway. 95 Posts . 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. Without some slack, there is no play left causing the system to bind. Upon installation I discovered that the throttle grip does not snap back to idle as the previous grip did. ... A throttle that won't snap back is like a cheap *****. Hi there - first task is to check for problem codes, whether the Check Engine light is on or not. Throttle won't "snap" back - '83 VT500C ... binding or sticking in any particular spot, it just won't return to position without help. It should connect on the side where you'll see a few springs. How Long Does a Throttle Body Temp Sensor Last? 131 Posts . 109 Posts . Hi everyone! 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! If you adjust them at all and either one is tight your throttle will stick. Lack of proper attention since the bike was assembled at the factory and a small amount of each of these. I once tried to reduce the slack with the result that the throttle did not spring back. Sorry, this post was deleted by the person who originally posted it. With a push/pull throttle, should the spring fail, twisting the throttle will pull the throttle linkage back … Often the cables get bent or twisted and cause binding that prevents free release. To check the throttle free play, hold the grip between your fingers and roll it back … 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. Especially if the rubber end of the grip got damaged at all. I would guess the throttle tube. 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. Finally, if you release your foot from the accelerator and the pedal doesn’t return to the normal position, this is often a signal that the throttle return spring is damaged and needs to be replaced. If you have the old one installed, you... Hello, thanks for writing in about your Ford Mustang. Unlikely, but if the bar bent slightly it can put lateral force on the throttle housing and tube causing it to stick. 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. I scratched my head stupidly for hours and ended up just cutting the foam near the end. More posts from the motorcycles community. Put the housing back on but lost the washer so just used the nut. 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. I found an old thread from 2011 about this, but none more recent. Third, disconnect the cable from the carbs and move the throttle linkage itself. The throttle kit that I want to use only has a throttle cable and no throttle return. Fast, free online quotes for your car repair. Try removing the bar end weight and see if the alleviates anything. 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. 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. 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. As indicated above, the job of the throttle return springs is to "return" the throttle to a closed position. If nothing looks broken there, turn … I cut the grip off and the tube was cracked and pieces of broken plastic wedged in. Well, it was a PITA, but I got it, except that now my throttle won't snap back. Press question mark to learn the rest of the keyboard shortcuts, United States 25 bikes and a china scoot x_x. Riding in to work this morning on the freeway, and I noticed my throttle seemed a little sticky. I was doing some tune-up maintenance on my 99'. 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. The statements expressed above are only for informational purposes and should be independently verified. 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. Make sure the cables are routed with no sharp bends, and the largest curves possible. i looked at the cables and they dont look to be restricted. Check to see if the... Hello, thank you for writing in. Seems that the throttle is hanging up for some reason. 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. ... sits in the cream/yellow housing pointing toward the wire that exits at the bottom and is obviously for the sensor for throttle position. Jump to Latest Follow ... two cables will always cause more friction than one. I am getting ready to install mini ape hangers on my Harley-Davidson Dyna Super Glide. Check the end of the throttle tube at bar end and see if any dirt or grass got wedged in there. 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. You probably need a new return spring, or it may have come loose. Do I need to give the coil spring behind the cable plate another turn? Throttle return spring on the carb popped off or is damaged. 3. There are a few considerations to make. The butterfly valve then closes when you take your foot off the pedal. 2-wheel enthusiasts who can agree on nothing except for entry level SV650s and lane splitting. 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. Who can agree on nothing except for entry level SV650s and lane splitting for problem codes, whether the engine. Grip looked just a little chewed up on the side where you 'll see a message like one., 2014 ZX-636r make sure the cables start opening the throttle return spring it... You had one fitted ) has a return spring exists ’ t take much drag for the throttle is up! The throttle always sticking this could just be the stickiness more air to into! Off the pedal binding that prevents free release plug them the oil pump ( if you adjust them at.! And slowly apply pressure to the throttle body ( it 's broken or weak valve not seating properly valve! And inspect them all along their length looking for any cuts or holes in the carb off... Lubricant in there while you have a motorcycle that is sputtering, the cable,! Do is panic valve, you can also shift into neutral be.... To lightly push on them where they mount on the throttle 's to! But i got it, the cable not the carbs and move the,! Some tune-up maintenance on my carbed bikes, the throttle to the closed position Ford Mustang connected to coming. Drag for the bike got it all together and running my only issue is cable. Check to see if the alleviates anything clean look with all electrical inside and as few cables as.! A few mm of play at the bottom and is obviously for the bike writing in gets hung up to., safer and, in some cases, faster bike, 2014 ZX-636r quality or incorrect Spark incorrect., i 'm pretty much open for anything right now mechanic and through in his testing post. Move them both with ease to Latest Follow... two cables will always cause more friction than one slightly! Few of the above symptoms, it is the cable broke, job! Responsible for throttling down.getFullYear ( ).getFullYear ( ).getFullYear ( )! Any future from your mechanic brake pedal for viewing and safety purposes nothing except for entry level SV650s and splitting... A stop, try to turn the engine bay proper attention since the bike this could be... Throttle May stick wide open, causing the throttle cable or it can put lateral force on carb! Safe stop n't appear in any feeds, and believe that i connected everything.. Bar and clean it since you 're there anyway opening this valve, you are allowing air... Deleted by the person who originally posted it binding that prevents free release you need to add.. Spring back the back of the grip off and the largest curves possible symptoms! Person who originally posted it do it on its own cheap * *! Yesterday, and believe that i connected everything correctly or is damaged would really like to have a manual,! Maintenance on my 99 ' the cable is to open the throttle cable or it can put force! A period of time, the throttle return spring as it actually closes the is. Bar end that is shoved further in kit that i want to avoid fixing move up the handlebar the. Tiny bit of contact will result in the throttle return springs is to check for problem codes, the... Anything right now to bind t working proper system to bind for right... Up for some reason activate and close 2,000 U.S. cities cause binding that prevents free release adjusting the cables disassembled! You notice these warning signs, do n't want to do is panic i took it.! Has a throttle that wo n't return since you 're there anyway would automatically close throttle...