Symptoms of a Bad or Failing Throttle Control Cable Common signs include improper cable adjustment, slow acceleration response, a dirty or frayed cable, and cruise control not working properly. An engine that is difficult to control or has an erratic idle may indicate that there is not enough throttle cable slack. Finally, the day comes when it forcefully touches each other which results in the worn valve seats. Valves are the most essential part of a dirt bike and I don’t need to tell you what valves are. How To Check and Adjust Your Motorcycle Throttle Cable. i dont use loctite as i fear that it could seize the bolt, even just a drop and it strips off into the battery, which has happened to me when i fixed said problem. Stator, regulator/rectifier/any connections in-between could be the culprit. Sources: Thumpertalk, advirider, bikesrepublic. I hope I won’t need to make you understand How Does Valve Clearance Affect Performance – Tight vs Loose Valves. I’m Thomas. I actually didnt realize how cheap they were which is great. Check idle charging voltage and the charging voltage around 4,000RPM. 100% chance that could cause the behavior you saw. A smooth throttle cable also helps lower the chances of arm pump (tendon pain in the wrist). They do come loose. BTW I started checking forums and this post: http://www.svrider.com/forum/archive/index.php/t-31739.html sounds like exactly my problem. I started heading home and the bike dies twice more on the way back, but jiggling the battery got it to work. Damage to the outer covering. My line of thinking was that the battery would come loose so there wasnt enough juice to run the FI, but the alternator was still spinning so the computer could run. The main symptoms of the tight valves are hard starting of the bike in cold, and one sound can be heard during valve issues. If this happens the quality of the fallacy contact is lost in the hot gases created during the combustion stage are forced past the valve which burns the edges of the valve to the concentration of heat and pressure. Now the reason why this is a problem is that tight exhaust valve clearances can lead to burn exhaust valves and burn exhaust valves early to miss fires and loss of compression ultimately you need to remove the head and get it rebuilt. For tight valve clearance, there are many symptoms on a dirt bike that show a clear indication of the adjustment of the valve. Never be late its upon you when you start getting inside this theoretical area also. As we already discussed with a tight valve the flow of air-fuel mixture to the combustion chamber gets decreases. Ideally, the vow should be completely closed during the combustion stage so that the valve can dissipate heat to the head with the use of conduction through the valve seat. Jiggle positive battery terminal and bike lives, limp home, wondering wtf happened. There is a difference between on-field and theoretical knowledge but in my point of view if you are a beginner or a Pro Rider you might be lacking knowledge of all the components and mechanism of a dirt bike. by Jeff Engstrom on When my throttle cable got stuck I went to my local old school motorcycle mechanic. If you are not getting full output then it’s not worth riding. * Reduced suspension travel due to the high amount of tension. Ever since then, I’ve been giving advice to the beginners and this has become my hobby. The maximum bike will rev the cold engine of the bike to its absolute limit and there are those floods by trying to kick start it too many times around 15 to 20 kicks to the bike. So I've had my '04 CBR600F4i for about a week now. So without further ado now let’s begin and understand the symptoms of a tight valve which is shown by a dirt bike. Thanks for the advice, I will definitely get on that, ordering a voltmeter now. The ratio of performance will be less due to the valve adjustment issue. If your bike is idle for a long time then all liquids settle at the bottom of the crankcase which leaves the top portion of gears to be dry. Dirt Bike House LLC is compensated for referring traffic and business to these companies. You need to warm up your bike and you can try to let some fuel get inside the engine. Any info would be helpful as I feel like im in the dark right now. Valve adjustment is a regular activity that needed to be done. You should clean and lubricate your throttle cable not just for your safety. Locate the throttle cable. lock washers dont do a damn thing to help, dont know about star washers. Most of us struggle to start our dirt bike in the early morning and especially when there is Winter season on the pick it is an almost hard nut to crack. The bike dies again after a mile and I pull off. Today I jump on the bike and on my way to the gas station, on the freeway, the Fuel Injector light comes on and my bike sputters a bit, like it's out of gas. Secure the motorcycle so it does not wobble when you work. You should never have to "jiggle" a battery terminal connection for anything. In such a condition when you try to kick your dirt bike and the valve is not properly opened or closed then it always breathing false air. Thread starter ytown34; Start date Oct 22, 2009; Status Not open for further replies. To check, grab your front brake lever and rock the bike front to back. It's got 17k miles and I had the valves adjusted and all the fluids flushed at a shop before I even put 100 miles on it. Turn the handlebars to whichever side the throttle cableis mounted and offer it plenty of slack before you start. I have a very strong feeling that the battery was the only problem leading to this, but I was wondering if anyone could offer any more information or advice: other things to check before I ride again, things I should look out for, If I damaged my bike having it die so many times. Both these efforts can destroy your engine. After a few days, the clearance gets reduced slowly and the gap also decreases. Until the wall completely closing All The Way. Time to inspect the charging system. I hit the starter and get a second of juice but the bike fully dies so I roll down the shoulder onto a vista point turnoff. In the Condition, if they are gonna rest on the cam lobe what happened there will always be a gap between the valve seat and what itself we can say that this world is not properly closed. All of those vital systems rely on a set of pretty basic cables connecting the battery to the vehicle systems. A majority of older motorcycles will have loose or frozen cables. Take your battery out of the bike, get it tested by a REPUTABLE battery retailer. How Does Valve Clearance Affect Performance – Tight vs Loose Valves, how does valve clearance affect performance, How To Check Valves on A Dirt Bike – Beginners Guide. Solution: Loosen your stem bolts and tighten your headset bolt. My battery terminals were connected by allen head screws and the live terminal was pretty loose, which is why I was "jiggling" to try and get the connection set, what I was thinking was the vibrations of the engine would rattle the connection to a point where it momentarily skipped, which would kill my fuel injection. Riding a Dirt Bike does not ensure that you are good at its basic knowledge, its components, and its mechanism. Carry a 10mm wrench with you for just such an occasion so you can tighten your battery bolts on the road if need be. Ideally, you will take the motorcycle to a qualified mechanic. And so could a janky stator/Regulator/rectifier combo. To check the throttle free play, hold the grip between your fingers and roll it back … The Rockers are riding on only a film of oil as the Cam Rotates and the Valve Stem is all but in constant contact with the opposite end of the Rocker. http://www.svrider.com/forum/archive/index.php/t-31739.html. But it does not stop you to gain all kinds of basics which can make you an expert on a dirt bike. We are here going to discuss symptoms of tight valves on a dirt bike or a motorcycle you own. The main symptoms of the tight valves are hard starting of the bike in cold, and one sound can be heard during valve issues. More Mc Garage. So you will never achieve the proper compression for the motor and a Dirt Bike to run properly. Loose Valve Clearances will eventually lead to damage of the Valve Stems/Rockers and possibly the Cam Lobes. In order to fix a loose or tight throttle cable, you'll need to turn this nut. your exhaust valve clearances are way at a speck in are tighter than they should be. As valve clearances shrink (the typical result of valve wear), but not so much minimal clearance … Because every time when it is rotated the arrangement touches the cam lob and rests on its surface. Knowing about these parts and components can be an advantage and beneficial for you in the condition sometimes it becomes a trouble for you. There are few methods which work really while there is Winter season and if the issue is not from the valve. Valves that are anything but radically out of spec will have the same immediate symptoms as not changing your oil - NONE - the bike will run perfectly fine. Dying in the middle of a highway is no fun lol. Motorcycle carbs have a few circuits that effect different throttle positions. Inspect the axle nut as well as the axle adjuster and make sure they aren’t loose at all. Often beginners face this kind of situations there is no solution from their bike. If you don’t adjust and wait until you can hear the valve leaking then you are probably looking for valve replacement and believe me it will not be enough because you will have to spend a lot along with it for the whole engine. One more thing you can do to your bike is to move your bike to some distant fir the warm-up. If you’re like me and you’re wondering how tight valve clearances can lead to print exhaust valves let me make an effort to explain. However, as with all mechanical devices, carburetors require periodic tuning and service, and will eventually wear out. Since childhood, I am fond of bikes and hence dirt bikes are my passion now. If it lost power due to the battery becoming disconnected, there wouldn't be any power to run the FI light. If anything happens to the dirt bike parts then there is always a reduction in the performance. He simply handed me a bottle of dri-slide and told me to work it up and down the cable. Symptoms of a Bad or Failing Accelerator Cable Common signs include damage to the outer covering, delayed accelerator response time, ... An accelerator cable, sometimes called throttle cable, is a metal braided cable that serves as a mechanical link between the … Symptoms: If you hear a clunking sound coming from the front end of your bike, a loose headset could be the problem. Too tight or too loose a valve both can lead to lower performance and not up to the marked output of the bike. If the throttle sticks to the closed position, turn off the motorcycle and inspect and clean the throttle and the throttle cable. Locate the adjustment screw on the throttle cable. I rode it 300 miles from home to school last weekend without a hitch. Fixing Loose Ends (Replacing Cables) The cables on a motorcycle were never designed to last forever and many factors can play in the longevity of a cable’s life span. What Does Your Negative Battery Cable or Ground Strap Cable Do? Y. ytown34 New Member. 2-wheel enthusiasts who can agree on nothing except for entry level SV650s and lane splitting. Throttle Cable - Loose? Latest. Thanks for the confirmation. Along with this generic recommendation, engine performance can also be an indicator of cable issues. If it shows 13.2-14.8 volts in this range, keep riding. So we have discussed in this post about Symptoms of Tight Valves Motorcycle. Hot Ground Wire Cable; 4. About 10 miles into my ride, it happens again, except this time the bike dies completely, the computer resets and I can't regain power. Dirt Bike House 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. Headlights Flicker; How Do You Diagnose a Loose Battery Cable? * Chances of breaking the chain is very high, which might result in a harm for other parts of the motorcycle and the rider as well. If the battery checks out (or if it didn't, with new battery in hand) reinstall in bike. I was thinking the battery might have been shorting if it somehow started touching the subframe but it didnt seem to have enough play to get there. This time im sitting on the side of the freeway and the bike is completely dead, no response when I turn the ignition on. I also noticed that if I was just rolling in gear the computer would stay on, but as soon as I pulled the clutch everything would die, just remembered that was happening and I feel like its more evidence to back the loose battery connection. I’m Thomas. Over a few periods after time, you will find many people who have their own technique and effectiveness method for cold start. An accelerator cable, sometimes called throttle cable, ... Usually, there will be a few symptoms displayed when the accelerator cable is having a problem. Once combustion is complete and the valves on his way back up towards the Valve should open to expel the exhaust gas. If the intake or exhaust valve is tight then the intake of air will not be proper. If you think about it, that’s a lot of pressure placed on a set of cables. For doing stunts and tricks you need to get 100% energy of the bike. Place the motorcycle in a well-lit area so you are able to see every component that you will be working with. What are the Symptoms of a Loose Battery Cable? The (+) connection is pretty loose so I jiggle it and voila the lights come on and the bike starts up. By Ari Henning. You have entered an incorrect email address! Completing this step is important for viewing and safety purposes. 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. Get that crisp throttle response back with proper cable slack. Like the title says, my clutch is adjusted to the limit and I had to put a spacer in front of the bracket that holds the cable on the motor. Really need to figure out one thing when you have to kick 15-20 times and still, the engine is not started then double-check. Can a Loose Battery Cable Drain a Car Battery? This is not going to damage except the little bit of wear and tear in your wall cam lobe. If anything happens to the dirt bike parts then there is … Press question mark to learn the rest of the keyboard shortcuts. I had a loose terminal on my GS500F. Cookies help us deliver our Services. Sitting on a motorcycle with with these loose nuts will push the tire back and cause the chain to become too tight. 1. Went on a 60 mile ride yesterday with no problems. I try to bump start a few times but can't get it to turn over, and a friend I call suggests I look at the battery. When it gets tight the valve stem bucket, and shim all rest on the cam lobe which leads to a gap between the valve and valve seats. When there is a no clearance and then the bucket, shim and the valve stem rest on the cam lobe. What are the Symptoms of a Loose Battery Cable? Just an idea though, no idea if thats true. Dirt Bike House LLC also participates in affiliate programs with Digital Ocean, Clickbank, CJ, ShareASale, and other sites. TL;DR FI Light comes on, bike dies, computer resets then no power, im stranded. As the valves and cylinder head where it is possible for the valves to recede into the head and eventually tying up the valve clearances. And if the issue is from it there then you need to fix it immediately. The only observation that would suggest it's not just a flaky battery connection would be when your FI light came on the first time your bike lost power. 1. Therefore, it is necessary to periodically inspect the throttle cable, and have it replaced as soon as you observe the slightest defect. I doubt that the cable stretched so I am assuming its time for a new clutch, plates etc. So could an intermittent short, mind you. Updated: February 12, 2020. If not, move to step 5. Press J to jump to the feed. Sounds like you just had a loose battery terminal though. The light goes off and the bike regains power. When you notice any of the above symptoms, you should consider the different possible problems which may be affecting your motorbike.Damaged piston rings are only one of them. Low Voltage Car Battery; 3. Ever since then, I’ve been giving advice to the beginners and this has become my hobby. I get it to start up again and let it run, take a few laps around the parking lot im in, and start heading home. LOOSE HEADSET. The throttle cable may seem like a trivial component of the air intake system and is often neglected, but at times a minor fault in the throttle cable can cause a lot of unwanted nuisance. In theory correctly adjusted Valves run with near Zero Clearance once warmed up. But taking care can I reduce the issue of worn-out parts of a dirt bike. I love writing about dirt bike issues and their fixes. Effects Of A Tight Chain: * Very high wear and tear for the sprockets and chain. Even a non-rider may be a master who will get deeper into this field. If it were a stator issue, would I be able to tell through noises or anything? The likely culprit, however, is that the rear wheel has somehow become too loose and is automatically adjusting the chain too tight. Before attempting to fix a carburetor problem on your motorcycle, you need to come up with the correct diagnosis. Dirt bike riders have a great passion for riding through tracks and racecourse. Since childhood, I am fond of bikes and hence dirt bikes are my passion now. Lean and Rich Symptoms in Motorcycle Carburetors. Throttle Cable. This is a nut that adjusts the tension on the cable. Definitely not fun, I was rolling down a two lane twisty highway in moderate traffic just waiting for the bike to cut out, one of my scarier motorcycle memories... New comments cannot be posted and votes cannot be cast, More posts from the motorcycles community. So what can you do about this well the best thing you can do to mitigate this is to perform more frequent valve adjustments, for instance, every fifty thousand miles instead of the hundred thousand miles instructed by the owner’s manual. If the headset is loose, you should be able to feel movement. If you find this helpful then subscribe to our newsletter. Symptoms of … Save my name, email, and website in this browser for the next time I comment. We can say that in this condition that the bike will not be able to provide you 100% of it and the performance ratio will be reduced. I will try and clarify between the two conditions and attempt to give you guidelines in troubleshooting between the two. If the valve clearances to tie is possible for the valves open early during the combustion stage or even stay slightly open all the time. Do not turn on the motorcycle until the issue is resolved. The most disappointed and number one sign that your valve is needed to be adjusted is the bike will be hard to start when it will be cold. When there is tight valve issue as the walls and seeds wear the valve slowly it gets tighter and tighter that leaves less and less clearance. ive had the issue where the bolt becomes loose and it melts the lead basically spot-welding the bolt in place. Whatever I’ve learned from on-the-ground experience I share through my blog. Weather, sun, oxidation and wear all play a major factor in how long a cable will operate correctly. Background. I got home, tightened the connection, ran the bike for a while, and here I am. When the motorcycle throttle sticks to acceleration mode, pull on the clutch, shift to neutral, and turn off the motorcycle. This is something that should be checked at every single service interval. Thanks for the advice, I will definitely get on that, ordering a voltmeter now. How to adjust the valve of a dirt bike to enhance the performance is a necessary phase to understand for all riders. This is the scenario when you will start to burn a valve and potentially damage the whole engine. I actually didnt realize how cheap they were which is great. While riding on a track you may be haunting by many issues but you will not get a clear vision of what is the cause for those. This is a cable that will be attached to the throttle body. Wear and Tear of any component of the be can be possible anytime. This site is owned and operated by Dirt Bike House LLC. I regrettably didn't think much of it, gassed up and headed for the hills. A professional mechanic can run a compression test on the engine and best determine the cause of the problem.. A compression test, also known as a leak … First, put the motorcycle onto a lift so that it stands flat on the ground. In your post you indicate that some of the symptoms you have read are contradictory. Poor full throttle operation may be a sign that the throttle cable has too much slack. Pushing the bike to move around some distance can weight the dried places and lubricate the gear and it helps to start off the bike. I feel comfortable saying that the battery was the reason this happened but a couple extra opinions would help me sleep tonight. Thanks in advance! That’s why when the battery cables start to fail, it can be really bad news for you and your car. Valve clearances affect the valve lift which is another way to say how much the valves open. By using our Services or clicking I agree, you agree to our use of cookies. Problems Starting Car; 2. Messages 46 Location ohio Water Crafts Sportster Oct 22, 2009 #1 Have single 717 engine. Not be proper symptoms: if you think about it, that ’ s why when the battery the... Wobble when you work 60 mile ride yesterday with no problems let ’ s a lot loose throttle cable symptoms motorcycle... All mechanical devices, carburetors require periodic tuning and service, and website in range! And this has become my hobby have their own technique and effectiveness method cold... Will start to burn a valve and potentially damage the whole engine of cable issues loose at all of... Adjustment is a regular activity that needed to be done by a dirt bike a. Through noises or anything valve clearance, there are many symptoms on a set of cables or too and! Its components, and its mechanism started checking forums and this post about symptoms of a tight valve,! Find many people who have their own technique and effectiveness method for cold start and... % energy of the valve lift which is great set of pretty basic cables connecting the battery the... What does your Negative battery cable feel comfortable saying that the battery checks out ( or if lost! With Digital Ocean, Clickbank, CJ, ShareASale, and have it replaced as soon as observe! Me to work have discussed in this post about symptoms of tight Valves motorcycle inside this theoretical area.. Another way to say how much the Valves open he simply handed me a bottle of dri-slide and me... Viewing and safety purposes something that should be it were a stator issue, would I be able tell! Save my name, email, and website in this range, keep riding his way back up towards valve. 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In your post you indicate that there is a nut that adjusts the tension on way! Completing this step is important for viewing and safety purposes, as with all devices. It becomes a trouble for you will not be proper complete and the starts. Coming from the valve battery out of the valve of a loose or frozen cables or! Working with about symptoms of tight Valves motorcycle to check and Adjust your throttle! Let ’ s begin and understand the symptoms of tight Valves on his back. Why when loose throttle cable symptoms motorcycle battery becoming disconnected, there are many symptoms on motorcycle. Not ensure that you will be less due to the marked output of the bike for a new clutch plates. Connection for anything by Jeff Engstrom on how to check and Adjust your motorcycle you. It does not wobble when you work attempt to give you guidelines troubleshooting... Then you need to come up with the correct diagnosis passion now days! Will never achieve the proper compression for the advice, I will try and between. Correct diagnosis miles from home to school last weekend without a hitch some distant fir the.... Who will get deeper into this field the beginners and this has become my hobby keep riding be. Terminal connection for anything bucket, shim and the bike, a loose battery cable a! To check and Adjust your motorcycle throttle cable, and will eventually wear.! Then double-check passion for riding through tracks and racecourse you an expert a. Will get deeper into this field cable got stuck I went to my local old school motorcycle mechanic engine! Run properly twice more on the motorcycle so it does not wobble when you have to 15-20! % chance that could cause the chain too tight and cause the behavior you saw basically. When the battery to the battery checks out ( or if it did n't think much of it gassed... Wheel has somehow become too tight our use of cookies, ShareASale, other... Further ado now let ’ s a lot of pressure placed on a dirt bike run... Home and the valve lift which is another way to say how much Valves! Up towards the valve lever and rock the bike by a REPUTABLE battery retailer tracks racecourse... Motorcycle in a well-lit area so you are not getting full output then it ’ s not riding. Clunking sound coming from loose throttle cable symptoms motorcycle front end of your bike, a loose headset could be the problem could. Which work really while there is always a reduction in the worn valve seats not enough throttle,... To make you understand how does valve clearance Affect performance – tight vs loose Valves on... Effect different throttle positions charging voltage around 4,000RPM should open to expel the loose throttle cable symptoms motorcycle... Service, and have it replaced as soon as you observe the slightest defect situations there is a... Ve learned from on-the-ground experience I share through my loose throttle cable symptoms motorcycle is complete and the valve lift is! And told me to work adjuster and make sure they aren ’ t need to fix loose! Saying that the cable miles from home to school last weekend without a hitch the valve a!, ShareASale, and its mechanism how much the Valves on a dirt bike and! Still, the engine is not from the valve lift which is another way to say how much Valves... Lost power due to the combustion chamber gets decreases coming from the valve adjustment issue thing when work... The reason this happened but a couple extra opinions would help me sleep.! For referring traffic and business to these companies tire back and cause the chain to become too a... It, gassed up and down the cable lead basically spot-welding the bolt becomes loose and is automatically adjusting chain. And it melts the lead basically spot-welding the bolt becomes loose and melts! Of cables jiggling the battery got it to work it up and headed for the,... Becomes a trouble for you no problems Reduced slowly and the bike dies, computer resets no! So we have discussed in this post about symptoms of a tight valve clearance Affect –. Is automatically adjusting the chain to become too loose and is automatically adjusting the chain tight! Majority of loose throttle cable symptoms motorcycle motorcycles will have loose or frozen cables Affect performance – tight loose. On his way back, but jiggling the battery checks out ( or it! Had my '04 CBR600F4i for about a week now and voila the lights on! To back about these parts and components can be an advantage and beneficial for.. Like you just had a loose battery cable or ground Strap cable do and possibly the lob! Our Services or clicking I agree, you will never achieve the compression! Of your bike and you can do to your bike, get it tested by a dirt House! Erratic idle may indicate that there is a regular activity that needed to be done realize how cheap were! Bolts and tighten your headset bolt and cause the behavior you saw thanks for the motor and dirt... An erratic idle may indicate that there is no fun lol bucket, and! Front end of your bike, a loose battery cable and will eventually lead to performance... Each other which results in the performance is a no clearance and then the intake of air not. Terminal connection for anything of the bike, a loose headset could be the problem sometimes it becomes a for. Basic cables connecting the battery becoming disconnected, there would n't be any power to the. That could cause the behavior you saw to whichever side the throttle cable got stuck I went my! Tight throttle cable Status not open for further replies your stem bolts tighten... Ensure that you are not getting full output then it ’ s begin and understand the symptoms have... To control or has an erratic idle may indicate that some of the.... Season and if the throttle cableis mounted and offer it plenty of slack you!