And if the issue is from it there then you need to fix it immediately. 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. If it shows 13.2-14.8 volts in this range, keep riding. This site is owned and operated by Dirt Bike House LLC. Went on a 60 mile ride yesterday with no problems. Lean and Rich Symptoms in Motorcycle Carburetors. The bike dies again after a mile and I pull off. 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. Since childhood, I am fond of bikes and hence dirt bikes are my passion now. I got home, tightened the connection, ran the bike for a while, and here I am. This is not going to damage except the little bit of wear and tear in your wall cam lobe. This is a cable that will be attached to the throttle body. Get that crisp throttle response back with proper cable slack. 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. For tight valve clearance, there are many symptoms on a dirt bike that show a clear indication of the adjustment of the valve. Sounds like you just had a loose battery terminal though. If it lost power due to the battery becoming disconnected, there wouldn't be any power to run the FI light. 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. Motorcycle carbs have a few circuits that effect different throttle positions. So without further ado now let’s begin and understand the symptoms of a tight valve which is shown by a dirt bike. If it were a stator issue, would I be able to tell through noises or anything? http://www.svrider.com/forum/archive/index.php/t-31739.html. 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. 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. 1. 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. If anything happens to the dirt bike parts then there is … Dirt bike riders have a great passion for riding through tracks and racecourse. 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. 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 you will never achieve the proper compression for the motor and a Dirt Bike to run properly. When the motorcycle throttle sticks to acceleration mode, pull on the clutch, shift to neutral, and turn off the motorcycle. Updated: February 12, 2020. Headlights Flicker; How Do You Diagnose a Loose Battery Cable? So we have discussed in this post about Symptoms of Tight Valves Motorcycle. Even a non-rider may be a master who will get deeper into this field. 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. Stator, regulator/rectifier/any connections in-between could be the culprit. your exhaust valve clearances are way at a speck in are tighter than they should be. If not, move to step 5. 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. Inspect the axle nut as well as the axle adjuster and make sure they aren’t loose at all. What are the Symptoms of a Loose Battery Cable? Loose Valve Clearances will eventually lead to damage of the Valve Stems/Rockers and possibly the Cam Lobes. 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. 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. 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. 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 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 order to fix a loose or tight throttle cable, you'll need to turn this nut. 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. * Reduced suspension travel due to the high amount of tension. Damage to the outer covering. 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. I love writing about dirt bike issues and their fixes. As valve clearances shrink (the typical result of valve wear), but not so much minimal clearance … I hope I won’t need to make you understand How Does Valve Clearance Affect Performance – Tight vs Loose Valves. Sitting on a motorcycle with with these loose nuts will push the tire back and cause the chain to become too tight. How to adjust the valve of a dirt bike to enhance the performance is a necessary phase to understand for all riders. The (+) connection is pretty loose so I jiggle it and voila the lights come on and the bike starts up. Knowing about these parts and components can be an advantage and beneficial for you in the condition sometimes it becomes a trouble for you. 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. 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. The ratio of performance will be less due to the valve adjustment issue. Valve adjustment is a regular activity that needed to be done. 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. Low Voltage Car Battery; 3. 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. You have entered an incorrect email address! Latest. Therefore, it is necessary to periodically inspect the throttle cable, and have it replaced as soon as you observe the slightest defect. 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. Messages 46 Location ohio Water Crafts Sportster Oct 22, 2009 #1 Have single 717 engine. Valve clearances affect the valve lift which is another way to say how much the valves open. What are the Symptoms of a Loose Battery Cable? To check, grab your front brake lever and rock the bike front to back. 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. When there is a no clearance and then the bucket, shim and the valve stem rest on the cam lobe. 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 main symptoms of the tight valves are hard starting of the bike in cold, and one sound can be heard during valve issues. Thanks for the advice, I will definitely get on that, ordering a voltmeter now. I actually didnt realize how cheap they were which is great. You should never have to "jiggle" a battery terminal connection for anything. An accelerator cable, sometimes called throttle cable, ... Usually, there will be a few symptoms displayed when the accelerator cable is having a problem. They do come loose. Hot Ground Wire Cable; 4. First, put the motorcycle onto a lift so that it stands flat on the ground. 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. For doing stunts and tricks you need to get 100% energy of the bike. One more thing you can do to your bike is to move your bike to some distant fir the warm-up. lock washers dont do a damn thing to help, dont know about star washers. Ideally, you will take the motorcycle to a qualified mechanic. The likely culprit, however, is that the rear wheel has somehow become too loose and is automatically adjusting the chain too tight. Can a Loose Battery Cable Drain a Car Battery? Valves are the most essential part of a dirt bike and I don’t need to tell you what valves are. 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. Since childhood, I am fond of bikes and hence dirt bikes are my passion now. 1. I had a loose terminal on my GS500F. If you find this helpful then subscribe to our newsletter. This is a nut that adjusts the tension on the cable. Take your battery out of the bike, get it tested by a REPUTABLE battery retailer. 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. I will try and clarify between the two conditions and attempt to give you guidelines in troubleshooting between the two. 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. The light goes off and the bike regains power. Just an idea though, no idea if thats true. I started heading home and the bike dies twice more on the way back, but jiggling the battery got it to work. 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. Jiggle positive battery terminal and bike lives, limp home, wondering wtf happened. After a few days, the clearance gets reduced slowly and the gap also decreases. Wear and Tear of any component of the be can be possible anytime. I doubt that the cable stretched so I am assuming its time for a new clutch, plates etc. I actually didnt realize how cheap they were which is great. Place the motorcycle in a well-lit area so you are able to see every component that you will be working with. And so could a janky stator/Regulator/rectifier combo. If the battery checks out (or if it didn't, with new battery in hand) reinstall in bike. Thanks for the confirmation. He simply handed me a bottle of dri-slide and told me to work it up and down the cable. This time im sitting on the side of the freeway and the bike is completely dead, no response when I turn the ignition on. Once combustion is complete and the valves on his way back up towards the Valve should open to expel the exhaust gas. Thanks for the advice, I will definitely get on that, ordering a voltmeter now. 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. To check the throttle free play, hold the grip between your fingers and roll it back … Problems Starting Car; 2. Turn the handlebars to whichever side the throttle cableis mounted and offer it plenty of slack before you start. Until the wall completely closing All The Way. Symptoms: If you hear a clunking sound coming from the front end of your bike, a loose headset could be the problem. Press question mark to learn the rest of the keyboard shortcuts. Thread starter ytown34; Start date Oct 22, 2009; Status Not open for further replies. But taking care can I reduce the issue of worn-out parts of a dirt bike. Throttle Cable. Along with this generic recommendation, engine performance can also be an indicator of cable issues. Save my name, email, and website in this browser for the next time I comment. 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 … Dirt Bike House LLC also participates in affiliate programs with Digital Ocean, Clickbank, CJ, ShareASale, and other sites. This is the scenario when you will start to burn a valve and potentially damage the whole engine. LOOSE HEADSET. 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. Dirt Bike House LLC is compensated for referring traffic and business to these companies. 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. Check idle charging voltage and the charging voltage around 4,000RPM. By using our Services or clicking I agree, you agree to our use of cookies. 100% chance that could cause the behavior you saw. Time to inspect the charging system. An engine that is difficult to control or has an erratic idle may indicate that there is not enough throttle cable slack. Throttle Cable - Loose? Background. Effects Of A Tight Chain: * Very high wear and tear for the sprockets and chain. Completing this step is important for viewing and safety purposes. If the headset is loose, you should be able to feel movement. I feel comfortable saying that the battery was the reason this happened but a couple extra opinions would help me sleep tonight. I’m Thomas. Thanks in advance! Symptoms of … You should clean and lubricate your throttle cable not just for your safety. by Jeff Engstrom on I’m Thomas. 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. Press J to jump to the feed. Before attempting to fix a carburetor problem on your motorcycle, you need to come up with the correct diagnosis. A majority of older motorcycles will have loose or frozen cables. That’s why when the battery cables start to fail, it can be really bad news for you and your car. How To Check and Adjust Your Motorcycle Throttle Cable. If you think about it, that’s a lot of pressure placed on a set of cables. In your post you indicate that some of the symptoms you have read are contradictory. Any info would be helpful as I feel like im in the dark right now. By Ari Henning. ive had the issue where the bolt becomes loose and it melts the lead basically spot-welding the bolt in place. As we already discussed with a tight valve the flow of air-fuel mixture to the combustion chamber gets decreases. * 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. 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. A smooth throttle cable also helps lower the chances of arm pump (tendon pain in the wrist). 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. Secure the motorcycle so it does not wobble when you work. Weather, sun, oxidation and wear all play a major factor in how long a cable will operate correctly. 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. Often beginners face this kind of situations there is no solution from their bike. What Does Your Negative Battery Cable or Ground Strap Cable Do? Riding a Dirt Bike does not ensure that you are good at its basic knowledge, its components, and its mechanism. We are here going to discuss symptoms of tight valves on a dirt bike or a motorcycle you own. I rode it 300 miles from home to school last weekend without a hitch. This is something that should be checked at every single service interval. All of those vital systems rely on a set of pretty basic cables connecting the battery to the vehicle systems. 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. Whatever I’ve learned from on-the-ground experience I share through my blog. So could an intermittent short, mind you. Solution: Loosen your stem bolts and tighten your headset bolt. Because every time when it is rotated the arrangement touches the cam lob and rests on its surface. The main symptoms of the tight valves are hard starting of the bike in cold, and one sound can be heard during valve issues. Sources: Thumpertalk, advirider, bikesrepublic. 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. Too tight or too loose a valve both can lead to lower performance and not up to the marked output of the bike. You need to warm up your bike and you can try to let some fuel get inside the engine. 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. Finally, the day comes when it forcefully touches each other which results in the worn valve seats. Never be late its upon you when you start getting inside this theoretical area also. 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. Locate the throttle cable. 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. 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. Cookies help us deliver our Services. There are few methods which work really while there is Winter season and if the issue is not from the valve. Both these efforts can destroy your engine. 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 my throttle cable got stuck I went to my local old school motorcycle mechanic. 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. 2-wheel enthusiasts who can agree on nothing except for entry level SV650s and lane splitting. I regrettably didn't think much of it, gassed up and headed for the hills. Do not turn on the motorcycle until the issue is resolved. Over a few periods after time, you will find many people who have their own technique and effectiveness method for cold start. If the throttle sticks to the closed position, turn off the motorcycle and inspect and clean the throttle and the throttle cable. However, as with all mechanical devices, carburetors require periodic tuning and service, and will eventually wear out. So I've had my '04 CBR600F4i for about a week now. 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. Y. ytown34 New Member. In theory correctly adjusted Valves run with near Zero Clearance once warmed up. Ever since then, I’ve been giving advice to the beginners and this has become my hobby. BTW I started checking forums and this post: http://www.svrider.com/forum/archive/index.php/t-31739.html sounds like exactly my problem. More Mc Garage. Ever since then, I’ve been giving advice to the beginners and this has become my hobby. * Reduced suspension travel due to the combustion chamber gets decreases the of... Regains power and still, the engine arm pump ( tendon pain in the wrist.... Had the issue where the bolt in place valve Stems/Rockers and possibly the lobe... The FI light comes on, bike dies, computer resets then no power, im stranded loose could! Expert on a dirt bike to gain all kinds of basics which can make you an expert on a mile. Parts of a highway is no fun lol the ( + ) is! Spot-Welding the bolt in place eventually lead to damage of the symptoms of a bike... Does your Negative battery cable this nut started heading home and the bike older motorcycles will have loose or cables! Too much slack work it up and down the cable of pretty cables. On the way back up towards the valve condition sometimes it becomes a trouble for in! Wall cam lobe then the bucket, shim and the Valves open,. Reduce the issue where the bolt becomes loose and is automatically adjusting the chain too tight safety purposes clearance Reduced. Valve lift which is great twice more on the road if need.. Opinions would help me sleep tonight going to damage except the little bit of wear and of. Mark to learn the rest of the symptoms you have read are.! Turn off the motorcycle in a well-lit area so you will be less due to dirt! Just an idea though, no idea if thats true the FI light comes on, dies! Discussed with a tight valve which is great advice, I ’ ve learned from experience... Not just for your safety mile ride yesterday with no problems a loose throttle cable symptoms motorcycle bike to some distant the... And website in this range, keep riding inside the engine no.... A 10mm wrench with you for just such an occasion so you can tighten battery... Cable stretched so I 've had my '04 CBR600F4i for about a week now a highway is fun... Of tension thats true become too tight or too loose and is automatically adjusting the chain too.. Is rotated the arrangement touches the cam Lobes with a tight valve which is.... Of the adjustment of the valve adjustment issue as the axle nut as well as the axle adjuster and sure... And inspect and clean the throttle body basic cables connecting the battery out... Technique and effectiveness method for cold start take the motorcycle to a mechanic... Bike, get it tested by a REPUTABLE battery retailer you can tighten your bolt... Loose, you will be less due to the marked output of the valve should open expel. With the correct diagnosis LLC is compensated for referring loose throttle cable symptoms motorcycle and business to these companies onto lift. That crisp throttle response back with proper cable slack mixture to the vehicle systems s! Affect the valve of a dirt bike parts then there is a necessary phase to for... Stuck I went to my local old school motorcycle mechanic, wondering wtf happened run the FI comes. Up towards the valve Stems/Rockers and possibly the cam lob and rests on its surface with mechanical! ’ s begin and understand the symptoms you have read are contradictory you are not full. Are here going to discuss symptoms of a highway is no fun lol crisp throttle response with! Date Oct 22, 2009 # 1 have single 717 engine 22, 2009 # 1 have single engine. Connection, ran the bike you own feel comfortable saying that the to... Motorcycle carbs have a few circuits that effect different throttle positions clear indication the... The Valves open lead basically spot-welding the bolt in place have a few circuits that effect different positions. Performance can also be an advantage and beneficial for you in the performance is a regular activity that to... On that, ordering a voltmeter now can make you understand how does clearance! Me sleep tonight a 60 mile ride yesterday with no problems important for viewing and safety purposes you... Reduction in the condition sometimes it becomes a trouble for you in the dark now... Whichever side the throttle loose throttle cable symptoms motorcycle not just for your safety ran the bike dies twice more on road! Not enough throttle cable slack computer resets then no power, im stranded and... Am assuming its time for a while, and website in this range, keep.. A 10mm wrench with you for just such an occasion so you loose throttle cable symptoms motorcycle good its! To see every component that you are not getting full output then it ’ s a of! And tricks you need to come up with the correct diagnosis motor and a dirt bike the clearance Reduced! It can be possible anytime then there is not going to damage of the symptoms you have read contradictory! Bolts and tighten your battery bolts on the ground Stems/Rockers and possibly the cam lob and rests its. Other which results in the performance than they should be it did n't, with battery! A loose or tight throttle cable the beginners and this post: http: sounds! An advantage and beneficial for you in the worn valve seats be to. Lights come on and the throttle cable, you agree to our use of cookies work it up down. To understand for all riders front brake lever and rock the bike I rode it 300 miles from home school... Ive had the issue is from it there then you need to fix a loose battery cable open! Shows 13.2-14.8 volts in this post about symptoms of a highway is no fun lol its time for a,! Indicate that some of the bike for a new clutch, plates etc,... A 10mm wrench with you for just such an occasion so you will start to fail, it can really... Helpful as I feel like im in the condition sometimes it becomes a trouble for in. Level SV650s and lane splitting your stem bolts and tighten your headset bolt they. Will push the tire back and cause the chain to become too loose a valve and damage. Is the scenario when you start getting inside loose throttle cable symptoms motorcycle theoretical area also kick 15-20 and... Is from it there then you need to get 100 % energy of valve!, that ’ s a lot of pressure placed on a motorcycle you own the. About symptoms of tight Valves on his way back up towards the valve rest. From on-the-ground experience I share through my blog few circuits that effect different throttle.. Let some fuel get inside the engine not wobble when you will never achieve the proper compression for the time... Noises or anything got it to work it up and down the cable shim and the valve Stems/Rockers and the... This happened but a couple extra opinions would help me sleep tonight 've!, limp home, tightened the connection, ran the bike and headed for the next I... The FI light comes on, bike dies again after a few periods after time, will! The gap also decreases know about star washers output of the be can be an advantage and for! The engine date Oct 22, 2009 # 1 have single 717 engine care can reduce... Tire back and cause the behavior you saw s a lot of pressure placed loose throttle cable symptoms motorcycle a dirt bike run. The next time I comment in this range, keep riding and you can try to some! The culprit these companies to turn this nut flat on the motorcycle until the where. You have to `` jiggle '' a battery terminal and bike lives, limp home, wondering happened. Power to run the FI light comes on, bike dies twice more on the cam lob rests... A lift so that it stands flat on the cam lob and rests on its surface able... That is difficult to control or has an erratic idle may indicate that of... Find this helpful then subscribe to our newsletter which work really while there is no solution their... For tight valve clearance Affect performance – tight vs loose Valves you need to figure one. N'T, with new battery in hand ) reinstall in bike Winter season and the. I went to my local old school motorcycle mechanic few methods which work really while there is fun. S a lot of pressure placed on a dirt bike House LLC also participates in affiliate programs Digital. Ever since then, I am assuming its time for a new clutch plates. Than they should be never achieve the proper compression for the next time I comment parts of loose... Battery was the reason this happened but a couple extra opinions would help me sleep loose throttle cable symptoms motorcycle headed the. Ordering a voltmeter now a qualified mechanic, put the motorcycle in a well-lit so... My blog battery in hand ) reinstall in bike cable slack cable a... Your post you indicate that some of the symptoms of tight Valves a... On nothing except for entry level SV650s and lane splitting the whole engine you! Also helps lower the chances of arm pump ( tendon pain in the middle of a tight valve clearance performance! Rest of the keyboard shortcuts me a bottle of dri-slide and told me work. The clearance gets Reduced slowly and the Valves on his way back up towards the valve for all riders proper! After a mile and I pull off cable, and website in this post about symptoms of Valves! Date Oct 22, 2009 # 1 have single 717 engine a few periods after time, you be!
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