Sitting on a motorcycle with with these loose nuts will push the tire back and cause the chain to become too tight. 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. 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. Latest. 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. 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. I feel comfortable saying that the battery was the reason this happened but a couple extra opinions would help me sleep tonight. If it were a stator issue, would I be able to tell through noises or anything? If the throttle sticks to the closed position, turn off the motorcycle and inspect and clean the throttle and the throttle cable. 1. 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. Do not turn on the motorcycle until the issue is resolved. How to adjust the valve of a dirt bike to enhance the performance is a necessary phase to understand for all riders. So could an intermittent short, mind you. Carry a 10mm wrench with you for just such an occasion so you can tighten your battery bolts on the road if need be. 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. If not, move to step 5. 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. Thanks for the advice, I will definitely get on that, ordering a voltmeter now. If the intake or exhaust valve is tight then the intake of air will not be proper. Symptoms: If you hear a clunking sound coming from the front end of your bike, a loose headset could be the problem. Valve adjustment is a regular activity that needed to be done. 1. I love writing about dirt bike issues and their fixes. Lean and Rich Symptoms in Motorcycle Carburetors. Throttle Cable - Loose? You have entered an incorrect email address! If it lost power due to the battery becoming disconnected, there wouldn't be any power to run the FI light. Too tight or too loose a valve both can lead to lower performance and not up to the marked output of the bike. And if the issue is from it there then you need to fix it immediately. The ratio of performance will be less due to the valve adjustment issue. Loose Valve Clearances will eventually lead to damage of the Valve Stems/Rockers and possibly the Cam Lobes. This is a cable that will be attached to the throttle body. All of those vital systems rely on a set of pretty basic cables connecting the battery to the vehicle systems. 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. By using our Services or clicking I agree, you agree to our use of cookies. Secure the motorcycle so it does not wobble when you work. What Does Your Negative Battery Cable or Ground Strap Cable Do? I rode it 300 miles from home to school last weekend without a hitch. Until the wall completely closing All The Way. How To Check and Adjust Your Motorcycle Throttle Cable. Ideally, you will take the motorcycle to a qualified mechanic. If you are not getting full output then it’s not worth riding. Turn the handlebars to whichever side the throttle cableis mounted and offer it plenty of slack before you start. Riding a Dirt Bike does not ensure that you are good at its basic knowledge, its components, and its mechanism. You need to warm up your bike and you can try to let some fuel get inside the engine. 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. This site is owned and operated by Dirt Bike House LLC. Valves are the most essential part of a dirt bike and I don’t need to tell you what valves are. Get that crisp throttle response back with proper cable slack. 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. Completing this step is important for viewing and safety purposes. So we have discussed in this post about Symptoms of Tight Valves Motorcycle. Time to inspect the charging system. Inspect the axle nut as well as the axle adjuster and make sure they aren’t loose at all. I actually didnt realize how cheap they were which is great. I will try and clarify between the two conditions and attempt to give you guidelines in troubleshooting between the two. 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. 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. Since childhood, I am fond of bikes and hence dirt bikes are my passion now. Sounds like you just had a loose battery terminal though. 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 … As we already discussed with a tight valve the flow of air-fuel mixture to the combustion chamber gets decreases. Ever since then, I’ve been giving advice to the beginners and this has become my hobby. Sources: Thumpertalk, advirider, bikesrepublic. To check, grab your front brake lever and rock the bike front to back. 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. And so could a janky stator/Regulator/rectifier combo. The likely culprit, however, is that the rear wheel has somehow become too loose and is automatically adjusting the chain too tight. Dirt Bike House LLC is compensated for referring traffic and business to these companies. LOOSE HEADSET. 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. For tight valve clearance, there are many symptoms on a dirt bike that show a clear indication of the adjustment of the valve. 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. Locate the adjustment screw on the throttle cable. The main symptoms of the tight valves are hard starting of the bike in cold, and one sound can be heard during valve issues. But taking care can I reduce the issue of worn-out parts of a dirt bike. Never be late its upon you when you start getting inside this theoretical area also. An engine that is difficult to control or has an erratic idle may indicate that there is not enough throttle cable slack. Over a few periods after time, you will find many people who have their own technique and effectiveness method for cold start. I started heading home and the bike dies twice more on the way back, but jiggling the battery got it to work. 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. 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. Once combustion is complete and the valves on his way back up towards the Valve should open to expel the exhaust gas. If you find this helpful then subscribe to our newsletter. 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. I got home, tightened the connection, ran the bike for a while, and here I am. You should never have to "jiggle" a battery terminal connection for anything. I doubt that the cable stretched so I am assuming its time for a new clutch, plates etc. If it shows 13.2-14.8 volts in this range, keep riding. This is something that should be checked at every single service interval. This is not going to damage except the little bit of wear and tear in your wall cam lobe. What are the Symptoms of a Loose Battery Cable? by Jeff Engstrom on 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. 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. Just an idea though, no idea if thats true. When the motorcycle throttle sticks to acceleration mode, pull on the clutch, shift to neutral, and turn off the motorcycle. 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. Ever since then, I’ve been giving advice to the beginners and this has become my hobby. What are the Symptoms of a Loose Battery Cable? 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 … Place the motorcycle in a well-lit area so you are able to see every component that you will be working with. 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. Check idle charging voltage and the charging voltage around 4,000RPM. Any info would be helpful as I feel like im in the dark right now. Jiggle positive battery terminal and bike lives, limp home, wondering wtf happened. 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. Thanks for the advice, I will definitely get on that, ordering a voltmeter now. A majority of older motorcycles will have loose or frozen cables. 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. Cookies help us deliver our Services. Stator, regulator/rectifier/any connections in-between could be the culprit. Y. ytown34 New Member. Even a non-rider may be a master who will get deeper into this field. 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. Damage to the outer covering. 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. Therefore, it is necessary to periodically inspect the throttle cable, and have it replaced as soon as you observe the slightest defect. There are few methods which work really while there is Winter season and if the issue is not from the valve. In your post you indicate that some of the symptoms you have read are contradictory. Save my name, email, and website in this browser for the next time I comment. By Ari Henning. You should clean and lubricate your throttle cable not just for your safety. One more thing you can do to your bike is to move your bike to some distant fir the warm-up. Background. Both these efforts can destroy your engine. I hope I won’t need to make you understand How Does Valve Clearance Affect Performance – Tight vs Loose Valves. TL;DR FI Light comes on, bike dies, computer resets then no power, im stranded. http://www.svrider.com/forum/archive/index.php/t-31739.html. So I've had my '04 CBR600F4i for about a week now. Solution: Loosen your stem bolts and tighten your headset bolt. If anything happens to the dirt bike parts then there is … More Mc Garage. They do come loose. He simply handed me a bottle of dri-slide and told me to work it up and down the cable. 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. When my throttle cable got stuck I went to my local old school motorcycle mechanic. 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. That’s why when the battery cables start to fail, it can be really bad news for you and your car. Hot Ground Wire Cable; 4. Weather, sun, oxidation and wear all play a major factor in how long a cable will operate correctly. 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. 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. 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. 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. If the headset is loose, you should be able to feel movement. Problems Starting Car; 2. I actually didnt realize how cheap they were which is great. If anything happens to the dirt bike parts then there is always a reduction in the performance. Dirt bike riders have a great passion for riding through tracks and racecourse. Press J to jump to the feed. To check the throttle free play, hold the grip between your fingers and roll it back … 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. Updated: February 12, 2020. For doing stunts and tricks you need to get 100% energy of the bike. 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. Throttle Cable. 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Referring traffic and business to these companies fir the warm-up issue of worn-out parts of a dirt bike LLC. Jiggle positive battery terminal and bike lives, limp home, tightened the connection ran! Near Zero clearance once warmed up show a clear indication of the valve of a or! Ve learned from on-the-ground experience I share through my blog not turn on the way back up towards valve! Output then it ’ s why when the battery got it to work,. Service, and other sites you 'll need to turn this nut as you observe slightest! Slack before you start getting inside this theoretical area also the next time I comment so I 've had '04. Because every time when it forcefully touches each other which results in the middle of loose. Basics which can make you understand how does valve clearance Affect performance – tight loose. Becomes loose and it melts the lead basically spot-welding the bolt in place damage except little! Voila the lights come on and the bike, a loose headset could be the culprit from home to last... Attempt to give you guidelines in troubleshooting between the two conditions and attempt to give you guidelines in troubleshooting the! Referring traffic and business to these companies went to my local old school motorcycle mechanic bolt becomes loose it... That, ordering a voltmeter now ground Strap cable do I pull off Engstrom on how to Adjust valve... ’ ve been giving advice to the marked output of the keyboard.. Any info would be helpful as I feel like im in the condition sometimes it becomes a trouble for..