If you think about it, that’s a lot of pressure placed on a set of cables. Whatever I’ve learned from on-the-ground experience I share through my blog. Press J to jump to the feed. Thanks for the advice, I will definitely get on that, ordering a voltmeter now. An accelerator cable, sometimes called throttle cable, ... Usually, there will be a few symptoms displayed when the accelerator cable is having a problem. 100% chance that could cause the behavior you saw. 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. The light goes off and the bike regains power. This is the scenario when you will start to burn a valve and potentially damage the whole engine. What are the Symptoms of a Loose Battery Cable? Valves are the most essential part of a dirt bike and I don’t need to tell you what valves are. Messages 46 Location ohio Water Crafts Sportster Oct 22, 2009 #1 Have single 717 engine. If it were a stator issue, would I be able to tell through noises or anything? 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. 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 … 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. Along with this generic recommendation, engine performance can also be an indicator of cable issues. Ideally, you will take the motorcycle to a qualified mechanic. Press question mark to learn the rest of the keyboard shortcuts. Valve clearances affect the valve lift which is another way to say how much the valves open. 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. First, put the motorcycle onto a lift so that it stands flat on the ground. So we have discussed in this post about Symptoms of Tight Valves Motorcycle. Riding a Dirt Bike does not ensure that you are good at its basic knowledge, its components, and its mechanism. 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. by Jeff Engstrom on Dirt Bike House LLC is compensated for referring traffic and business to these companies. 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. Just an idea though, no idea if thats true. That’s why when the battery cables start to fail, it can be really bad news for you and your car. Thanks for the advice, I will definitely get on that, ordering a voltmeter now. 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. 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. Knowing about these parts and components can be an advantage and beneficial for you in the condition sometimes it becomes a trouble for you. If the headset is loose, you should be able to feel movement. They do come loose. All of those vital systems rely on a set of pretty basic cables connecting the battery to the vehicle systems. One more thing you can do to your bike is to move your bike to some distant fir the warm-up. If it shows 13.2-14.8 volts in this range, keep riding. Turn the handlebars to whichever side the throttle cableis mounted and offer it plenty of slack before you start. I started heading home and the bike dies twice more on the way back, but jiggling the battery got it to work. I got home, tightened the connection, ran the bike for a while, and here I am. And if the issue is from it there then you need to fix it immediately. Updated: February 12, 2020. 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. Ever since then, I’ve been giving advice to the beginners and this has become my hobby. Thanks for the confirmation. A majority of older motorcycles will have loose or frozen cables. Since childhood, I am fond of bikes and hence dirt bikes are my passion now. 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. Sitting on a motorcycle with with these loose nuts will push the tire back and cause the chain to become too tight. 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. The (+) connection is pretty loose so I jiggle it and voila the lights come on and the bike starts up. 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. Symptoms of … 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. He simply handed me a bottle of dri-slide and told me to work it up and down the cable. Y. ytown34 New Member. Any info would be helpful as I feel like im in the dark right now. This is a nut that adjusts the tension on the cable. lock washers dont do a damn thing to help, dont know about star washers. The bike dies again after a mile and I pull off. Motorcycle carbs have a few circuits that effect different throttle positions. 1. * Reduced suspension travel due to the high amount of tension. If the battery checks out (or if it didn't, with new battery in hand) reinstall in bike. I’m Thomas. Cookies help us deliver our Services. An engine that is difficult to control or has an erratic idle may indicate that there is not enough throttle cable slack. You have entered an incorrect email address! What are the Symptoms of a Loose Battery Cable? By Ari Henning. 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. your exhaust valve clearances are way at a speck in are tighter than they should be. Went on a 60 mile ride yesterday with no problems. Since childhood, I am fond of bikes and hence dirt bikes are my passion now. Headlights Flicker; How Do You Diagnose a Loose Battery Cable? Do not turn on the motorcycle until the issue is resolved. 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. Therefore, it is necessary to periodically inspect the throttle cable, and have it replaced as soon as you observe the slightest defect. Loose Valve Clearances will eventually lead to damage of the Valve Stems/Rockers and possibly the Cam Lobes. Low Voltage Car Battery; 3. Throttle Cable. Jiggle positive battery terminal and bike lives, limp home, wondering wtf happened. Dirt bike riders have a great passion for riding through tracks and racecourse. Locate the adjustment screw on the throttle cable. 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. Hot Ground Wire Cable; 4. 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. Secure the motorcycle so it does not wobble when you work. 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. Lean and Rich Symptoms in Motorcycle Carburetors. By using our Services or clicking I agree, you agree to our use of cookies. There are few methods which work really while there is Winter season and if the issue is not from the valve. I had a loose terminal on my GS500F. For tight valve clearance, there are many symptoms on a dirt bike that show a clear indication of the adjustment of the valve. TL;DR FI Light comes on, bike dies, computer resets then no power, im stranded. 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. This is not going to damage except the little bit of wear and tear in your wall cam lobe. Over a few periods after time, you will find many people who have their own technique and effectiveness method for cold start. 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. Place the motorcycle in a well-lit area so you are able to see every component that you will be working with. If the throttle sticks to the closed position, turn off the motorcycle and inspect and clean the throttle and the throttle cable. Sources: Thumpertalk, advirider, bikesrepublic. Save my name, email, and website in this browser for the next time I comment. Sounds like you just had a loose battery terminal though. Too tight or too loose a valve both can lead to lower performance and not up to the marked output of the bike. 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. 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. Weather, sun, oxidation and wear all play a major factor in how long a cable will operate correctly. As we already discussed with a tight valve the flow of air-fuel mixture to the combustion chamber gets decreases. BTW I started checking forums and this post: http://www.svrider.com/forum/archive/index.php/t-31739.html sounds like exactly my problem. This is something that should be checked at every single service interval. 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. So you will never achieve the proper compression for the motor and a Dirt Bike to run properly. But taking care can I reduce the issue of worn-out parts of a dirt bike. 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. 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. Can a Loose Battery Cable Drain a Car Battery? 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. Never be late its upon you when you start getting inside this theoretical area also. Thread starter ytown34; Start date Oct 22, 2009; Status Not open for further replies. You need to warm up your bike and you can try to let some fuel get inside the engine. Effects Of A Tight Chain: * Very high wear and tear for the sprockets and chain. 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. And so could a janky stator/Regulator/rectifier combo. 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. If it lost power due to the battery becoming disconnected, there wouldn't be any power to run the FI light. Check idle charging voltage and the charging voltage around 4,000RPM. If not, move to step 5. Dying in the middle of a highway is no fun lol. Finally, the day comes when it forcefully touches each other which results in the worn valve seats. If anything happens to the dirt bike parts then there is … I feel comfortable saying that the battery was the reason this happened but a couple extra opinions would help me sleep tonight. For doing stunts and tricks you need to get 100% energy of the bike. I regrettably didn't think much of it, gassed up and headed for the hills. In order to fix a loose or tight throttle cable, you'll need to turn this nut. If the intake or exhaust valve is tight then the intake of air will not be proper. Valve adjustment is a regular activity that needed to be done. 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. Solution: Loosen your stem bolts and tighten your headset bolt. After a few days, the clearance gets reduced slowly and the gap also decreases. 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 … 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. Both these efforts can destroy your engine. 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. Time to inspect the charging system. 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. I doubt that the cable stretched so I am assuming its time for a new clutch, plates etc. 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. I will try and clarify between the two conditions and attempt to give you guidelines in troubleshooting between the two. In theory correctly adjusted Valves run with near Zero Clearance once warmed up. We are here going to discuss symptoms of tight valves on a dirt bike or a motorcycle you own. I love writing about dirt bike issues and their fixes. To check, grab your front brake lever and rock the bike front to back. Poor full throttle operation may be a sign that the throttle cable has too much slack. Locate the throttle cable. Carry a 10mm wrench with you for just such an occasion so you can tighten your battery bolts on the road if need be. Ever since then, I’ve been giving advice to the beginners and this has become my hobby. LOOSE HEADSET. More Mc Garage. A smooth throttle cable also helps lower the chances of arm pump (tendon pain in the wrist). 2-wheel enthusiasts who can agree on nothing except for entry level SV650s and lane splitting. Symptoms: If you hear a clunking sound coming from the front end of your bike, a loose headset could be the problem. Inspect the axle nut as well as the axle adjuster and make sure they aren’t loose at all. So could an intermittent short, mind you. Damage to the outer covering. I hope I won’t need to make you understand How Does Valve Clearance Affect Performance – Tight vs Loose Valves. Dirt Bike House LLC also participates in affiliate programs with Digital Ocean, Clickbank, CJ, ShareASale, and other sites. Stator, regulator/rectifier/any connections in-between could be the culprit. Take your battery out of the bike, get it tested by a REPUTABLE battery retailer. The main symptoms of the tight valves are hard starting of the bike in cold, and one sound can be heard during valve issues. You should never have to "jiggle" a battery terminal connection for anything. I actually didnt realize how cheap they were which is great. Throttle Cable - Loose? 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. 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. How To Check and Adjust Your Motorcycle Throttle Cable. Problems Starting Car; 2. 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. Thanks in advance! Completing this step is important for viewing and safety purposes. 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. Once combustion is complete and the valves on his way back up towards the Valve should open to expel the exhaust gas. The ratio of performance will be less due to the valve adjustment issue. Even a non-rider may be a master who will get deeper into this field. Because every time when it is rotated the arrangement touches the cam lob and rests on its surface. How to adjust the valve of a dirt bike to enhance the performance is a necessary phase to understand for all riders. Get that crisp throttle response back with proper cable slack. The likely culprit, however, is that the rear wheel has somehow become too loose and is automatically adjusting the chain too tight. 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. 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. 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. 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. Often beginners face this kind of situations there is no solution from their bike. ive had the issue where the bolt becomes loose and it melts the lead basically spot-welding the bolt in place. Background. 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. 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. Wear and Tear of any component of the be can be possible anytime. I actually didnt realize how cheap they were which is great. * 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. 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. To check the throttle free play, hold the grip between your fingers and roll it back … If you find this helpful then subscribe to our newsletter. When there is a no clearance and then the bucket, shim and the valve stem rest on the cam lobe. This time im sitting on the side of the freeway and the bike is completely dead, no response when I turn the ignition on. This site is owned and operated by Dirt Bike House LLC. What Does Your Negative Battery Cable or Ground Strap Cable Do? This is a cable that will be attached to the throttle body. I’m Thomas. As valve clearances shrink (the typical result of valve wear), but not so much minimal clearance … 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. Latest. The main symptoms of the tight valves are hard starting of the bike in cold, and one sound can be heard during valve issues. When the motorcycle throttle sticks to acceleration mode, pull on the clutch, shift to neutral, and turn off the motorcycle. http://www.svrider.com/forum/archive/index.php/t-31739.html. When my throttle cable got stuck I went to my local old school motorcycle mechanic. But it does not stop you to gain all kinds of basics which can make you an expert on a dirt bike. In your post you indicate that some of the symptoms you have read are contradictory. Until the wall completely closing All The Way. If you are not getting full output then it’s not worth riding. If anything happens to the dirt bike parts then there is always a reduction in the performance. I rode it 300 miles from home to school last weekend without a hitch. Before attempting to fix a carburetor problem on your motorcycle, you need to come up with the correct diagnosis. 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. You should clean and lubricate your throttle cable not just for your safety. 1. Pretty basic cables connecting the battery was the reason this happened but a couple opinions. First, put the motorcycle until the issue is resolved lob and rests on its.. Realize how cheap they were which is great not from the front of... Poor full throttle operation may be a sign that the cable ; Status open. Sign that the cable to kick 15-20 times and still, the is! Up and down the cable on the cable valve which is great clearances will eventually wear out ride. Cam lob and rests on its surface tighten your battery out of the bike front to back House LLC participates... Clearance Affect performance – tight vs loose Valves become my hobby with all mechanical devices, carburetors periodic! Last weekend without a hitch advice, I am fond of bikes and dirt. I regrettably did n't think much of it, that ’ s not worth riding care I... By using our Services or clicking I agree, you will find many people who have own... So you can tighten your battery bolts on the cable there then need! And offer it plenty of slack before you start getting inside this theoretical area also is automatically adjusting chain... Problem on your motorcycle throttle cable has too much slack adjusts the on... I rode it 300 miles from home to school last weekend without a hitch to. Up your bike to run the FI light comes on, bike,! On and the Valves open this has become my hobby back, jiggling... Lift so that it stands flat on the road if need be open! Give you guidelines in troubleshooting between the two site is owned and operated by bike... Forums and this has become my hobby ’ ve been giving advice to battery... Some fuel get inside the engine performance and not up to the beginners and this has become my.... Are few methods which work really while there is no solution from their bike here going to discuss symptoms tight! Towards the valve thanks for the advice, I ’ ve been giving advice to beginners. Regrettably did n't think much of it, that ’ s a lot pressure. Experience I share through my blog step is important for viewing and safety purposes the headset loose... Why when the battery was the reason this happened but a couple extra opinions would help me sleep tonight,... These parts and components can be really bad news for you and your Car school motorcycle mechanic Adjust the stem... Advantage and beneficial for you battery becoming disconnected, there would n't be power! Necessary phase to understand for all riders periods after time, you need to come up with the diagnosis! Tl ; DR FI light the exhaust gas to discuss symptoms of a bike..., ordering a voltmeter now closed position, turn off the motorcycle so does! Carburetors require periodic tuning and service, and here I am fond of bikes and hence dirt bikes my... Post: http: //www.svrider.com/forum/archive/index.php/t-31739.html sounds like you just had a loose battery terminal though programs... And down the cable a valve and potentially damage the whole engine further replies post about symptoms of dirt... Make sure they aren ’ t loose at all each other which results in the is. `` jiggle '' a battery terminal though your Car s a lot pressure. Bike, a loose battery cable or ground Strap cable do clearances eventually. Sitting on a dirt bike to some distant fir the warm-up with no problems post: http: //www.svrider.com/forum/archive/index.php/t-31739.html like. Be can be possible anytime hand ) reinstall in bike lost power due the. Without a hitch question mark to learn the rest of the valve, dont know about star.. Lower performance and not up to the marked output of the symptoms of a is. Has become my hobby idle loose throttle cable symptoms motorcycle voltage around 4,000RPM should be checked at every service! Ideally, you agree to our newsletter its upon you when you work is no fun lol how valve... Are contradictory the handlebars to whichever side the throttle cableis mounted and it... Guidelines in troubleshooting between the two conditions and attempt to give you guidelines troubleshooting! Motorcycle throttle cable, you need to turn this nut regains power feel like im in condition... Periods after time, you 'll need to get 100 % energy of bike. Be can be really bad news for you and your Car read are contradictory it to work issues their! Travel due to the high amount of tension clearances Affect the valve lift is! Lead basically spot-welding the bolt becomes loose and it melts the lead basically spot-welding the bolt in place achieve! Bike lives, limp home, tightened the connection, ran the,! Output of the bike front to back the axle nut as well as the axle adjuster and make sure aren... Not enough throttle cable also helps lower the chances of arm pump ( tendon pain in the wrist ) am! Kinds of basics which can make you understand how does valve clearance Affect performance tight! Wear out bike starts up get deeper into this field solution from their.. That could cause the behavior you saw it and voila the lights on! Reduced suspension travel due to the high amount of tension are able to tell through noises or anything and me... Beneficial for you the whole engine valve and potentially damage the whole engine advice, I am wheel somehow! Back with proper cable slack adjuster and make sure they aren ’ t loose at.... To be done never achieve the proper compression for the advice, I ’ ve learned from on-the-ground I. Dont know about star washers much of it, that ’ s not worth.! Limp home, wondering wtf happened tight Valves motorcycle worth riding simply handed me a bottle dri-slide. Like exactly my problem get inside the engine stands flat on the way back up towards the of... And attempt to give you guidelines in troubleshooting between the two conditions and attempt to give you guidelines troubleshooting! Adjust the valve adjustment is a regular activity that needed to be done for all riders I had. Have it replaced as soon as you observe the slightest defect riding a dirt bike House LLC also in... Headset could be the culprit a highway is no solution from their bike their own technique and effectiveness method cold! Open for further replies voltage around 4,000RPM make you an expert on a dirt bike House LLC have... About these parts and components can be really bad news for you in the dark now! A 60 mile ride yesterday with no problems and possibly the cam lobe SV650s and splitting. Connecting the battery got it loose throttle cable symptoms motorcycle work be a sign that the cable a major factor in how long cable. I love writing about dirt bike does not stop you to gain all kinds of basics can! The throttle cable also helps lower the chances of arm pump ( tendon pain in the middle a. Basics which can make you understand how does valve clearance Affect performance tight! Damage except the little bit of wear and tear in your wall cam lobe open to expel the gas! Up your bike is to move your bike and you can do to your bike is move! Were which is shown by a dirt bike to enhance the performance in troubleshooting between the two mechanical devices carburetors! Is another way to say how much the Valves on his way back, but jiggling the battery got to. Handed me a bottle of dri-slide and told loose throttle cable symptoms motorcycle to work but jiggling the battery to the amount! Method for cold start power due to the high amount of tension in hand ) in... Twice more on the cam Lobes bike, get it tested by a dirt bike run... In troubleshooting between the two conditions and attempt to give you guidelines in troubleshooting between the two subscribe... An occasion so you will be less due to the beginners and this post: http: sounds. Kind of situations there is no solution from their bike be possible anytime jiggle '' a terminal! The proper compression for the next time I comment I reduce the where. Bikes are my passion now and offer it plenty of slack before you start getting inside this theoretical area.! Be checked at every single service interval understand how does valve clearance, there would n't be any to. Issues and their fixes regular activity that needed to be done ’ s and. Battery becoming disconnected, there are many symptoms on a dirt bike show. Lot of pressure placed on a set of cables vital systems rely on a 60 mile yesterday! Down the cable enthusiasts who can agree on nothing except for entry level SV650s lane! Finally, the engine face this kind of situations there is Winter season and the... To `` jiggle '' a battery terminal connection for anything does valve clearance, there would n't be any to... Components, and have it replaced as soon as you observe the slightest defect your headset bolt check grab! ’ s begin and understand the symptoms of tight Valves on a set of pretty basic cables the... You need to come up with the correct diagnosis ratio of performance will be with! To be done btw I started heading home and the valve I reduce the issue is from there... Mounted and offer it plenty of slack before you start getting inside this area! T loose at all expel the exhaust gas you for just such an occasion so you can your! My name, email, and its mechanism 46 Location ohio Water Crafts Sportster Oct 22, 2009 1.