Loose cam chain symptoms motorcycle


H. right away i could tell it was the cam chain and it was loose big time!! i pulled the timing cover to get an eye on the chain from there and its so loose i can push the chain away from the guide about 9mm on the front part of the chain!! "Too Loose A Chain" symptoms are but one 0 1a: When you are in a "lower" gear and keeping a steady rpm - there is a "tugging" that u feel. I did a valve job not to long ago. KLR 250 Information Exchange. 2% of their power for every 1000-feet of altitude gain. My engine is making a ticking noise, and its not the valves because it's too inconsistent and it sounds like the cam chain (a friend of mine had the same thing so I know what it sounds like, but that was on a 250, and it was actually broken). com is the place to go to get the answers you need and to ask the questions you wantParts/Accessories: Fred Hink/Arrowhead Ron Ayers Bike Bandit Ebay KwikSpecs Front KwikSpecs Rear. I’m not 100% on Suzuki’s but on many older Honda’s you could just undo a nut and the cam chain tensioner would self adjust. . What symptoms will the bike start exhibiting when the chain is loose? I just check mine today and it was all loosey goosey, so I brought it by the shop to get a quick adjustment. 4040 CHP will continue to sell parts to the adult population for the mini vintage and mini motorcross industry. In some engines, it plays a governing role in other systems, such as the water and power-steering pumps. Common Bicycle Mechanical Issues Addressed. The service manuals are a good thing to have (either the factory manuals or …INFORMATION----THE FINAL FRONTIER: As much as we all love our bikes. motorcycle symptoms broken cam chain, raptor cam chain broke damage, snapped camchain, what damage could a broken timing chain cause on 2007 suzuki ltr 450, The two chain grooves on the top of your VC are evidence that the chain is loose and flapping about. MetricMotorcycleMadness. The most interesting product for Buells is a 100 cubic inch long block. Too tight is as bad as too loose, but it’ll only take minutes to get it right. If the variance between the tight spots and loose spots of the chain become too great, you'll want to replace the chain. The cam chain tensioner I was referring to is either in the cylinder head or the cylinder block right underneath the gas tank. Sometimes on the old suzuki oil burners they develop a cam chain rattle due to a 'stiff' auto tensioner. They advised that the tensioner has probably let go and the cam chain was now too loose, hence the noise. Easy to do, remove the head cover, grab hold of the chain and lift it, if it is worn the link will pull away from the sprocket (much the same as checking your main drive chain), also do a visual on the cam sprocket too. KX250F 2012 Motorcycle pdf manual download. 1986-2003. There are some makes or models of cars that have a reputation for blowing head gaskets. In order for your engine to fire, the timing chain must smoothly rotate around the gears without hesitation. R. however, they tend to make a lot of noise, especailly with higher miles, but i heard that it is the chain guide rubbing on the chain. On a new chain the 12" ruler mark should line up precisely with the centre of the chain rivet at this point. We didn't replace anything but the chain. Maintain Your Chain and Sprockets; Your chain (and sprockets) are exposed to all sorts of forces in all sorts of conditions. sometimes it can be more of a challenge to find the proper, honest, experienced advice and know-how necessary to proceed Huge video archive of recorded live webcam shows from chaturbate and myfreecams models. When it comes to automotive maintenance schedules, they exist for good reason. But the APE pro, while over priced, has a tighter tolerance, better finish, and most importantly the screw for adjustment is a 4mm alien key threaded rod. This is good because even with the adjuster not installed, the fitting of the Cam Chain can be a bit tight on some engines. View and Download Kawasaki KX250F 2012 owner's manual online. i personally have changed about 30 of these and have nver had one skip a tooth yet. I received and reviewed my first 808 car keys micro camera (version #1) in September 2009. So what exactly is the "Doohickey"? The "doohickey" is the KLR650 community's term for the "Balancer Chain Adjuster Lever". The chain is located inside of the engine and needs to be lubricated by the oil in the engine so everything runs together. especially when we're challenged by the many and varied tasks necessary to repair, rebuild, or maintain them (after all, this is what makes a 'biker' and a "guy who rides motorcycles" different) . Answers. Also for: Xl sportster. the 1050 at 134 links). A variety of problems and their solutions is shown in Figure 7. In any given situation, with any machine, there are a number of possible sources of sounds both routine and unusual, but some may be distinctive enough to warn of specific types of problems. Backfiring If your engine backfires, it could be due to a loose timing chain. The amount of stretch seen on the right is all it takes for a timing chain to Jan 12, 2016 Engine rattles while idling. The crankshaft, located in the engine block, drives the camshaft using gears, a timing chain, or a timing belt. Chain getting tight then loose then tight then loose means time for new chain and sprockets. This includes everything from cases to heads and flywheels. Best Answer: Grasp the chain at the back of the rear sprocket and try to lift the chain off the sprocket by pulling straight back. Christopher Hurkens, Been doing car/motorcycle repairs for few years What are the symptoms of a worn timing chain?Jan 12, 2016 Listed below are a few of the symptoms of a worn out timing chain. my bike is ratteling in the lower end left side, when I open an close throttle, load and unload motor, does this sound like the primary chain needs adjusting again? just did it about 400 moles ago but I have been stomping it hard, could it already be loose again? shifting is also harder now with a much loader clunk! If the motorcycle is not smoking or making any bad noises is a good sign it has more miles in it, but used, you never know. It will be the responsibility of the purchasing adult as to the disposition of all products purchased from CHP will adhere to the guidelines of H. When the engine runs poorly while driven due to a worn timing chain, the symptoms may include backfiring, bucking, shaking and sputtering. This pulls the end stops hard against the end of the swing-arm and also physically stops you over tightening the chain. XLH Sportster Motorcycle pdf manual download. The 808 is a small color video camera with audio that also takes photos. Noise When a timing chain is worn, it becomes loose. Cam chain normally must be replaced, but sometimes cam chain tensioner may have some space to put more tension to tighten the cam chain. rdog, this is too broad a question to get a reliable answer. A change of 0. Most street bikes that have cam chains use extremely durable HyVo chains. Hey guys, So Today i decided to adjust my cam chain tensioner, I loosened the top bolt almost all the way, than i loosened the bottom bolt till i heard a click, but it seemed more like the tensioner snapped back all the way Cam Chain Tensioner. . (1) Once in awhile one sees an Airhead with CV carburetors that will seemingly adjust just fine with the vacuum gauge method for idle mixture, idle rpm & off-idle for the cables & yet will not idle smoothly. Bicycle Navigation, Bicycle Maintenance and Tips; Information About Panniers and Trailers; Bicycle Camping, Travel and Sanitation; About Bicycle Crash Survival, Lightning. I had to take out a couple of links to get it to fit again. Mildly "loose" Loud rattle, coffee can full of nuts and bolts rattling like sound. One such vehicle has such a bad reputation for head gasket problems there is a group of owners trying to get the manufacturer to have a recall on them. It's a complete top end including everything clear up to cam cover and cam cover bolts. This is intended to be a FAQ, not a service manual or encyclopedia. Like I said, if it is the cam chain making the noise, there won't be much you can do for it. A timing chain (naturally only found on a four-stroke) has the important job of keeping the camshaft – and therefore the opening and closing of the inlet and exhaust valves – turning in exact unison with the crankshaft. Between the cam timing, removing and installing the cams unless your 100% sure of all the cause and effects pay to have it done, cheaper and faster in the long run. 31G70LL 5/16" G70 Loose Link 37G70LL 3/8" G70 Loose Link 50G70LL 1/2" G70 Loose Link actually there is a mark to be followed . Your Chain tensioner has likely reached the end of its adjustment so it can't keep chain tight. However, when the timing chain is loose, it may cause a vibration inside the motor and will be indicated by a rattling noise as the engine idles. The camshaft is the part of a car or motorcycle engine that operates the inlet and exhaust valves. If the timing chain breaks, the loose metal rolling around inside the motor Sep 12, 2015 it is the sound of a loose cam chain running and a broken cam chain adjuste Bad Cam Chain Adjuster Noise. Oct 24, 2008 I gues it could be the exhaust valvs clicking, but I don't think so. How to adjust the Primary Chain on a Harley-Davidson Evolution Big Twin Motorcycle Engine. This is from too much play in the chain. S&S Cycle manufactures several engine components for Buells. Once the chain is adjusted properly (approximately 1/2" up/down play), first tighten the 4 8mm bolts and then snug up thr 6mm chain adjuster nuts. When this happens, the cam will usually break in more than two-pieces. Measuring Chain Wear: engines loose about 3. its not so loose to where it skips teeth of the sprocket but a lot of slack in it. This lever has an adjuster bolt (that goes through it) and when loosened, allows the spring that is attached to the lever to remove the slack in the balancer chain. The tensioner did tension the cam chain as it should when I had installed it, but after a short while I got some noise in the cam chain. any way to tighten it? or an easy way to replace it? if not ill end up just leaving it. on lubing the chain as If the cam chain Main Motorcycle: 2012 Sherco 2. 46) Install tensioner. 4040 and will remain in …View and Download Harley-Davidson XLH Sportster service manual online. You can asily verify this by derailing the rear (drive) chain and spinning the "disconnected" timing ring and cranksets. htmlWhen a timing chain is worn, it develops slack and becomes loose. Things to do to Keep On Cycling. You can get a manual one for like 30 bucks or less. The Common Problem: Engine Noises When an unfamiliar noise starts coming from somewhere under the hood, people get scared. If the timing chain breaks, the loose metal rolling around inside the motor Aug 25, 2015 A timing chain / timing belt (depending on the engine) as the name suggests is crucial for precise valve Symptoms of a poor timing chain:. At any rate- a chain tensioner going out could cause catastrophic damage if the chain got loose and the valves went out of time- may cause valve- piston contact- big problems. you would also hear rattling coming from timing chain area as chain is loose. I'm having a problem with spluttering and loss of power, and then it suddenly picks up again and is away for a few miles at full speed. The noise came from the middle of the rocker arm cover, and when the engine was cold, indicating that the cam chain wasn't properly tensioned. There is a thread on the forum regarding a "brief rattle noise on startup " on ecotec engines. Preignition can present with similar symptoms but differs from I know there is a gazillion posts about the cam chain rattle/noise. Re: symptoms of incorrect cam timing? just took my bike for a small ride. I wasnt sure what the problem was a few weeks ago, i thought i heard something rattling around in the clutch or something, but after talking to a few friends and one suggesting that, I most definitely hear the chain scraping on the casing. Over time the links that make up the timing chain will become loose. Country music has gone through a dramatic transformation in the past 10 years – and so have many of today’s biggest stars. Timing chain failure on the JTD Multijet engine is not unusual. The mechanic told me he would have to pull out the motor to change the chain and tensioner. Timing belt or timing chain,what is a timing belt or timing chain, what is valve timing, timing belt and timing chain repair,change timing belt,timing chain replacement,water pump timing belt,diagnosis,Symptoms of a bad timing chain or timing belt,don't bend valves! In the May issue of Baggers, we looked at several weak spots in the Twin Cam's bottom end, mainly excessive crankshaft runout and drive issues relating to the chain-driven cams. 6 Troubleshooting and Problem-Solving If you find something wrong with a chain during start-up or regular inspection, it may require treatment or you may need to replace it with a new chain. A typical double roller timing chain set for a small block Chevy has 44 teeth on the cam gear and they cover 720* of crankshaft rotation (two rotations of the crank). com/youtube?q=loose+cam+chain+symptoms+motorcycle&v=T5QGofhdHTw May 8, 2015 How to tell if you timing/ cam chain on your dirtbike is bad and what to do to prevent timing chain failure. It must me a slack timing chain. i guess all is well. It doesn't really sound like a loose chain, more like a tight chain. I have had a tapping noise before and unfortunately 3rd gear was missing a couple teeth. Yeah, it’s almost certainly the cam chain being too loose. ive heard that these are non-wear parts. The Triumph Thunderbird Sport does not have an eccentric cam and instead relies on a less accurate bolt that simply pushes the axle rearwards to adjust the chain. Generally speaking if the rivet is less than 1/16" past the 12" ruler mark your chain is still okay. If you cab see more than a third of the tooth, the chain is ready to be replaced. minus the chainSIGH! It's all assembled too. A decade ago, many ofWisdom of the Forum (WOTF) This page contains a list of un-official fixes, troubleshooting and cross references for parts from other makes and models that will work on the LC8 engine powered bikes. A timing chain has to be pretty loose to actully come off the sprockets. Re: Cam chain noise on Gixxer 1000. so that means they dont stretch, and as long as they are not broke they are fine. What would the symptoms be of having a motorcycle with valves out of spec? then all hell breaks loose. This is because the cam chain drive runs all the cylinders and it sort of smooths out the cam speed variation, along with the higher operating rpm. this will slacken the cam timing chain. Some history on the engine condition, recent work, and actual symptoms, will give someone an idea on just what the problem might be. S&S Gear Drive Camshaft kits improve valve timing accuracy by eliminating timing chain lash as well as variations caused by the loose fitting stock cam drive sprockets. Below are some. All stock chain drive components are replaced with S&S Gear Drive Cams and outer drive gears. loose cam chain symptoms motorcycle . You can also vote which cam models are recorded next if there are …Bicycle Touring Tips, Lessons Learned, and Tricks of the Trade. went a mile up the road and came back. Hayden M6 Primary Chain Tensioner For Harley Milwaukee Eight. Not having had one of these timing chain/cam sprocket assemblies apart on these bikes, and not knowing how the sprocket is located to the cam, I can only suggest that you totally understand and follow the timing procedure in the manual to the letter when you reassemble the engine. How do you adjust the cam chain on TTR 125 Hi, Anonymous for this scenario you will need your service/owners manual if you can't find the first and best tool you ever bought for your Yamaha, despair not, for a mere zero $ you can download another one. Your chain needs to bend around the sprockets, and over time the wear of metal on metal will change the shape of the sprockets. Chains are the unsung mechanical heroes of motorcycling; they're responsible for the crucial task of transferring power from the engine to the rear wheel, and without proper inspection and maintenance, can fail and cripple the motorcycle, or worse, become dangerous projectiles. What year of bike though? In my HONDA manual for the K8/F3 bikes, it says to start the engine and allow it to idle. Mar 15, 2018 · There are some makes or models of cars that have a reputation for blowing head gaskets. Ape Cam Chain Tensioner Instructions Hi all. The guide has a plastic face that loosens & breaks up when its very old and eventually the cam chain starts to wear thru the exposed aluminum base. This is wrong. When a rattling noise occurs in front of the engine, the belt may be loose or the timing chain may be coming apart. com is the place to go to get the answers you need and to ask the questions you wantS&S Cycle manufactures several engine components for Buells. Christopher Hurkens, Been doing car/motorcycle repairs for few years What are the symptoms of a worn timing chain? Mar 29, 2016 · In any given situation, with any machine, there are a number of possible sources of sounds both routine and unusual, but some may be distinctive enough to warn of …Maintain Your Chain and Sprockets; Your chain (and sprockets) are exposed to all sorts of forces in all sorts of conditions. The hood should be opened and the engine inspected before continuing to use the vehicle. The flapping happens when oil pressure has not built up to the nominal rate. Pistons, rings, valves & valve guides, rocker arms, the cam, that's the upper end on the CB750K. Symptoms of a timing belt that has jumped/skipped a few teeth: One Tooth : It will idle like normal and the exhaust will sound fine but cruise and WOT the car will feel like you've got no power and in most cases will hesitate and misfire. I know that the pushrod design involves a round end that is pressed into each end of the pushrod and that they can come loose and cause considerable noise. Excessive noise or vibrations indicate time for new chain and sprockets. Loosen the cam chain tensioner lock bolt located right above the rear cover timing inspection hole. I have a Suzuki 1991 GSX1100G and the cam chain is loose (it has 44k miles) so I bought another engine (it has 19k - Answered by a verified Motorcycle Mechanic. com/worn-timing-chain-symptoms-6447694. I have seen a broken chain, and repaired it for a buddy with a chainbreaker. While timing chains can last for a long time, they do eventually wear out. Purchased this in January of this year; days later, I found recent service records where the PO had problems with the engine overheating, and temp gauge going into the red. Its a timing chain tensioner issue. The chain is located in the front of the motor and is attached to a set of gears and pulleys that power multiple mechanical components, including the crankshaft and camshaft. Loosen the nut and the bolt for the cam chain and the tensioner will adjust itself. I firmly believe that the tensioner should not have let go at only 40k KMs and it should be covered under warranty to have the repair done. The timing chain noises can range from rattling to whirring, whining or buzzing. PNW Riders is a motorcycle rider enthusiast community for all types of riders in Washington, Oregon, Idaho and the surrounding areas. The eccentric cam makes it (relatively) easy to both align the rear wheel and adjust the chain. possible chain still needs adj. Does the timing chain make a noise because the timing chain stretches unevenly causing it to slap against the chain guide or does the chain tensioner just wear out ? Can a worn cam or crankshaft sprocket contribute to the noise ? There is a thread on the forum regarding a "brief rattle noise on startup " on ecotec engines. Although we focus on regional Pacific Northwest riders, we often have members from the Midwest, East Coast and overseas enjoying the site. S&S are so much better at building HD’s than the factory is, gear drive will solve the problem of cam chain problems ,but there is 1 big problem with that . Generally, timing belt failure is hard to predict, and so the best thing is to replace timing belts at the recommended intervals. I learned that having your valves too tight can cause a LOT of problems, and depending on how tight they are, it can even be catastrophic. com. Though in my case the guys that did the first service on my bike tightened the wheel nut with the force of a thousand suns, ended up breaking the wrench thingy that came with the bike kit. ask. It is one of the devices that helps the engine run smoothly. This is because the exact position of the camshaft sensor depends Chain Adjustment & Wheel Alignment (This is an old article I wrote for Cycle Canada in the 80's, but it's still valid today. I gues it could be the exhaust valvs clicking, but I don't think so. A broken cam is usually caused by the cam being hit by a connecting rod, or other rotating parts of the engine coming loose and hitting the cam. make sure that each cylinder piston is in the correct position Fast, Free Shipping on Orders Over $79 on TOKYO MODS Cam Chain Tensioner & TOKYO MODS and gear at MotoSport. I changed the timing chain but the tensioner would screw up and down like it should and would tighten the new chain up when turned loose. 44) Install new gears, and spiral gear, without full tightening the cam gear. Your bike may run 1 Answer. Any day above ground is a good day!! Shop for Camchain, like Hot Cams Cam Chain at Rocky Mountain ATV/MC. Cam Chain Tensioner Modification Z:\Data Files\Motorcycle\Honda Magna (1985) VF750C\Cam Chain Tensioners\Andy's Cam Chain Tensioner Modification. If this belt, chain or tensioner becomes loose or is failing it can cause a rattle noise that follows the engine RPM's. You should check and adjust your chain every 500 miles (805 km), and more often for a dirt bike. alot of shops will tell you that you need to take the valve cover off to ensure the cam chain doesnt skip a tooth once you pull the tensioner out. This question is a followup to this answer. No chain wears perfectly even so every chain will develop a variance in the chain slack measurement. Oil, spark plugs and most of all, timing belts and chains should always be changes at certain times. Motorcycle Troubleshooting Guide – Four-Stroke Motorcycle Troubleshooting Guide While this Motorcycle Troubleshooting Guide is not a complete guide of every possible cause for each problem listed, it will help assist mechanics in troubleshooting some of the most common difficulties they will face. Another JIMS tool held the gears in alignment so we could remove the gear bolts from the cam and pinion shaft. This applies to all single cylinder bikes,  Worn Timing Chain Symptoms | It Still Runs itstillruns. As the chain and driver meet the chain will tighten. Camshaft | Source To determine which cylinder is in its power stroke, your car's computer monitors the rotating position of the camshaft relative to the crankshaft position using a camshaft position (CMP) sensor. Motorcycle chain maintenance, along with oil changes and tire maintenance is a crucial part of safe riding. On the back side a chain runs from one cam to the other. Re: tell tale signs that the cam chain tensioner is going bad I also have this rattling noise and have been wondering what the problem is. Nov 30, 2016 Typically you'll be able to hear the rattle and/or slap of a loose chain. 45) Install new chain, matching the silver links with the marks on the gears, then install the guides. Re: Replacing a cam chain I could do one in a couple of hours but unless you are an experienced mechanic I wouldn't try it. That is why some last as little as 4000 miles and some much more than that. The only camchain 'kits' I can find are, as you've already said, either a chain and 2 camshaft sprockets or a chain and 1 crankshaft sprocket and these are only available for the 1050 so no use to me (the 955 chain is 132 links vs. Follow you owner manual for how tight the chain should be. If that's the case, it will leave wear marks in the aluminum. THen making sure the loose bit of chain is all in the tensioner side tilt the intake cam into place. A loose chain can slap the "ceiling" of the chaincase, causing a knocking noise. Remove the bolt on the bottom left and unscrew the adjustment screw, until it is almost out of the case. SOURCE: want to tighten cam chain If you need to tighten your cam chain then it sounds like the automatic tensioner might need loooking at as it isn't functioning correctly, or your chain needs changing if the tensioner is working fine. doc Page 1 of 6 After 27 years under tension the cam tensioners were no longer strong enough to stop the cam chain from Best Answer: Grasp the chain at the back of the rear sprocket and try to lift the chain off the sprocket by pulling straight back. Some bikes make a clunk no matter how tight the chain but if you think it sounds worse than usual on your bike, then that's a good sign the chain is loose. There is a pinch bolt holding everything tight on the back of the swingarm. Aug 25, 2015 A timing chain / timing belt (depending on the engine) as the name suggests is crucial for precise valve Symptoms of a poor timing chain:. Instead of constantly re-tensioning your primary chain and trying to decide whether you should be on a tooth that's "too tight" versus one that's "too loose", why not keep constant, even tension on your chain with Hayden's M6 units? Please will someone tell me what are the symptoms of a faulty condenser. Home Community Commentary Top 6 Strange Motorcycle Noises loose cam chain or other valve train problems. Preignition can present with similar symptoms but differs from detonation in that Hi, What are the symptoms of a bad cam chain (stretched) or tensioner ? Beside noise? Is it possible that a out of range automatic tensioner (too much slack) create erratic idle? It also allows the Cam Chain to be a bit loose for easier instillation on the Camshaft sprocket(s). We have the best prices on dirt bike, atv and motorcycle parts, apparel and accessories and offer excellent customer service. You search Auto repair manual PDF symptoms of a loose motorcycle chain, if there are search results will appear below. ratchet may slip resulting in a very loud and loose cam chain while riding. Next I string the chain over the exhaust cam and set it where it needs to be, then with the intake cam loose tilt it a bit toward the chain side and pull the chain over the sprocket. It shouldn't be the cam chain imo. Timing chain noise or Cam Phaser noise New guy in town just want to start out with a big howdy to everyone on this forum i am looking forward to get to know all of you or at lest some of you . One area we did not discuss was the Twin Cam's oiling system and associated problems found on stock and high-performance As the chain and driver meet the chain will tighten. In my experience, if a timing chain is ticking, you can put the broomstick (or screwdriver) on the front cover and hear the chain hitting the front cover. A timing chain is a metal chain, as opposed to the timing belt which is made of rubber. When this happens, the engine's valves, which are powered indirectly by the timing chain, Aug 25, 2015 A timing chain / timing belt (depending on the engine) as the name suggests is crucial for precise valve Symptoms of a poor timing chain:. SScratch #1082 Feedback 2: Remove the front sprocket cover and see if the chain has been rubbing on the inside of it. Vehicle in question is a 2004 Honda Odyssey EX with 138k miles. I get random odd noises from my engine at times too. When a timing chain is worn, it develops slack and becomes loose. A common reason for this failure appears to be that the bolts securing the tensioner work their way loose. When this happens, the engine's valves, which are powered indirectly by the timing chain, Jul 28, 2015 Just like the drive chain, timing chains elongate, fatigue, and wear out. ouch. if possible get a service manual to find out the tension and adj. The big singles and probably the big twins will have a lot more of a rattle to them due to the single cam drive chain for the cylinder making for a larger amount of variation in cam drive pressure. The bike runs fine but it will randomly make a rattle noise and at idle can be heard pretty easily. Do the division and that's about 16 crankshaft degrees per tooth. Well, a girls gotta go what a girls gotta do. Some have thought it was oil filter related. After just a few minutes of running they get some slop on the side thats not pulling the cam. Tighten the axle nut, rotate wheel back and slip out the driver. It starts with a vibration at around 5800 rpm then the rattle begins. Also, although it's on the left side, the cam chain tensioner and guides can allow the cam chain to make the same kind of noise when they wear out. and then you will know for sure when the valves slam against the head . Timing Chain Warning: A too-tight timing chain causes undue friction (binding) and wear. If it does not go away at all then you need to replace the cam chain tensioner. Can't tell about gears, photo's not clear enough, but it is very unusual for cam gears to be worn. Under normal conditions, the engine should have a consistent, smooth sound that indicates everything is running as it should. This article was originally published in the October 2000 issue of Sport Rider . The chain was not loose but the tensioner was all the way extended. Q. Preignition can present with similar symptoms but differs from I know there is a gazillion posts about the cam chain rattle/noise. Ahh, yeah I was really nervous the first time adjusting my chain. The motor is now in the correct position to adjust the cam chain tensioner. Shop for Camchain, like Nihilo Concepts Cam Chain Tensioner at Rocky Mountain ATV/MC. It would be hard to ignore even with headphone on and a ssw/mrd header. theres no loss of power, if anything it feels like it has more power. If you know how to access it then go for it. Jan 12, 2016 Listed below are a few of the symptoms of a worn out timing chain. A chain adjustment on our VTR needed a ratchet, a rear stand, 22mm and 24mm sockets, string (or a wheel alignment tool), a tape measure, a torque wrench and an 8mm wrench. I have been quoted ~$1500 to have both chains and tensioners replaced. Just an update 10k miles on from fitting manual cam chain tensioner as promised. Snapped chains on cars under three years old and with as little as 40,000 miles on the clock is an unfortunate reality for some owners. If the cam chain gets too loose (due to cam chain tensioner failure) it is possible they can skip a tooth or two and cause engine damage. Some of them are internal - such as bad rings - only by removing the bike motor. I need to replace my cam chain, the symptom I'm experiencing is a loud rattle coming from the valve cover where the chain is actually hitting. So today, I did the adjustment as prescribed in the manual and at first the bike started right up. There is a gear on the cam shaft that drives the pump, it just seems hard to believe that a slightly worn chain can cause this much power loss. if it is a loose chain, it can wear a hole thru the cover OR jump the timing gear. My 02 doesnt make any noise like your discribing, but all bike always make some kinda weird noise. The slack in these chains is usually kept tight by hydraulic tensioners. To check for this condition remove the timing belt or chain cover and use a flashlight to check for excess play or parts of the timing belt that have come off. HD cranks are poor quality and tolreances are to loose for gear drive cams . I let it idle for about a minute and decided to go for a ride. The chain connects and synchronizes the camshaft and crankshaft, while governing the combustion in your internal combustion engine. A camshaft sensor is an integral part of the modern automobile. The cam chain tensioner works off oil pressure, so until the oil pressure is built up there is a little slack because the spring it self is not strong enough to maintain the pressure. but i think that was because my chain (not cam chain) was loose and i tightened it to spec. Note: Some engines don't have the lock nut and bolt. Thats been happening ever since 10,000 miles, but now that I have 20,000 I can hear the loose cam chain as well. 7. When you have a bad timing belt or chain, there will be some obvious symptoms. if the ticking isnt on the front cover, it is something else. crossup357 View Public Profile A timing chain connects the engine crankshaft to the camshaft so they rotate in “time” with one another. a stretched timing chain will alter the vehicle timing every time the engine speeds up or slows down,,its just an ugly problem to have,,,plus,,you have the danger of the chain skipping a tooth,,and then your motor possibly eating itself. There are still a couple of cam gears, still a crankshaft and crankshaft pulley, and still a tensioner that keeps the chain from falling off, preventing important metal parts from mashing up Dirt Bike Chain right away i could tell it was the cam chain and it was loose big time!! i pulled the timing cover to get an eye on the chain from there and its so loose i can push the chain away from the guide about 9mm on the front part of the chain!! timing chain connects the crankshaft to the camshaft to insure the valves open at the proper time. With the single sided swingarm, the back axle is a cam. loose cam chain symptoms motorcycleJan 12, 2016 Listed below are a few of the symptoms of a worn out timing chain. Loosen the wheel spindle and tighten the nuts until you have about 1" of vertical play on the bottom of the chain. What are the symptoms? I just put in a cam seal, and had some other problems with re-assembly (bolts broke off in the head) btw I have a B16A3, and now my engine is abnormally loud and sluggish. 1 person found this useful On the FZ 09 I replaced my CCT with the PSR, and it does it's job I guess. Consequently, the spring tensioners become overloaded, leading to a loose timing chain and inaccurate cam timing. Many problems can cause your scooter bike motor at low compression. I know a little about forums and how they work so heres my question. Luckily, they are not subject to dirt and mud, are bathed in an oil bath, Mar 29, 2016 Do you ever hear strange sounds coming from your motorcycle and wonder if it oil level is present, but may also indicate a valve sticking, loose cam chain or . Harley-Davidson twin cam engine noise can have several causes. The Cam Chain tensioners were replaced with the new style at 43,250 miles, so I am guessing that is not the problem. There is a very simple check for a loose timing chain due to a broken tensioner, worn gears, or a stretched chain. 9 trials I've had this Bonneville idle and have had a couple people point out that it sounds like i have a loose cam chain or The cam sprockets do seem to hold up much longer, and this can be hardness as well as the fact that the larger size spreads the forces to more teeth, & there is a chain roller speed factor in the sprocket pocket that is possibly involved. One area we did not discuss was the Twin Cam's oiling system and associated problems found on stock and high-performance The timing chain transfers the power generated by the crankshaft to the camshaft, which opens and closes the engine’s valves. If there is a bit of slack it sounds like it's time to either replace the chain or the tensioner or both. If the timing chain breaks, the loose metal rolling around inside the motor Sep 12, 2015 it is the sound of a loose cam chain running and a broken cam chain adjuste Bad Cam Chain Adjuster Noise. If you have a OEM stock cam chain tensioner, then the only way the chain can be loose is if it is VERY worn out and the ACCT has extended all the way. James the best way is just to stop and look at the chain and test for tension if you think it is too loose. It will feel like there is something wrong with the transmission to the novice or new rider - but likely it is that the chain tension is out of spec and needs to be Usually the biggest giveaway of a loose chain when riding is a loud 'clunk' when putting the bike into 1st gear. They may not know enough about complex engine systems to know if it’s If the chain is not removed from the bike, engage a low gear and rotate the back wheel so as to tension the upper strand of the chain and carry out the test on this tensioned upper strand of the chain. When you check your Valves or if you think you Cam Chain is slapping a bit and it's not the compression release sound (refer the Strange Noises FAQ) you might also like to check check your Cam Chain Tensioner. A twin cam engine has two camshafts --- usually double overhead cams. The problem is overcome in some designs by fitting intermediate sprockets and two shorter drive chains, kept under tension. Other visible from the bike motor outside - like a loose spark plug - you can simply give it a good physical examination findings. Cam timings that are off several degrees will result in a loss of power and the cam chain tensioner will have quite a job trying to take slack out of the valvetrain. How to adjust the Primary Chain on a Harley-Davidson Evolution Sportster Motorcycle Engine As you can see in the videos above, to check the primary chain tension on your Harley, you need to remove an inspection cover, which has a reusable rubber gasket. When this happens, the engine's valves, which are powered indirectly by the timing chain, Jul 28, 2015 Just like the drive chain, timing chains elongate, fatigue, and wear out. Um, for a start, only the front run of the cam chain is under heavy tension, because that's taking the load, so in fact, the amount of 'stretch' (and there's a good explanation here of why it isn't stretch but wear, but let's leave that aside) is halved. will they evr get it right , I doubt it . the instructions say i need to remove the jet and tap the hole with a 6x1mm tap and then install the blocking piece. Too loose is better than too tight, as a tight chain will ruin first the countershaft seal, then the countershaft bearing. The timing chain stretches and the valves’ timing is thrown off. If the tensioner breaks, the effect will likely be the same as a broken belt - car turns over, but doesn't start. I've had my bike for two years and haven't needed to replace it and i ride nearly every other weekend. Thank you! Just bought my Rincon and the cam chain sounded loose so I took it to the shop. Two cam lobes can be seen in lower right side of picture. 05% would occur with an altitude change of 15 The motor is now in the correct position to adjust the cam chain tensioner. Sep 12, 2015Oct 24, 2008Jan 12, 2016 Engine rattles while idling. I use 10-40 Valvoline motorcycle (mineral) oil. When the bolt is loosened the cam chain tensioner will automatically position itself to provide the correct tension. Maintaining your motorcycle chain is a crucial part of keeping your bike in tip top condition, and for a variety of reasons for different riders. Bosco Kigongo, a mechanic, says one of the most common symptoms of worn timing chains is noise. A loose timing belt isn't very likely, since belts have tensioners. there is a mark on the over head cam , and there is a mark on the gear where you will place the chain . bad cam chain tensioner: symptoms and replacement of correct p/n Its not ideal to run the engine that way with the chain being that loose, you might only have a When you replace it dont get another automatic chain tensioner unless u want to spend alot of money. Cam Chain Tensioner Extenders Tim (Snake) Acree (RIP) The reason is mysterious but it seems one of the first things to give any trouble on Vulcan 1500/1600 engines is the cam chain tensioner. When a timing chain is loose, several signs can help you identify a potential problem, before it becomes dangerous, costly, or both. Timing chains start out pretty tight. The cam tensioners in our bikes are automatic, so they adjust by themselves. While having the panel off to fit a new air filter took the oportunity to put. Sounded like a loose cam chain. A few times I have also found the tensioner can be right on the edge of clicking onto the next ratchet and after a long 'enthusiastic' ride a noisy engine suddenly quietens up. If you hear the dreaded cam chain rattle at idle - do not ride the bike. When you adjusted the chain you disturbed the pad to disc relationship hence the pad noise, the clicking needs a closer look, get the back wheel in the air and spin the wheel, look closely at the chain for kinked links and missing O rings and make sure that you adjusted the slack to the tightest part of the chain. Preignition can present with similar symptoms but differs from My bike was making a rattling noise where the timing chain is located. The one thing I have seen is damage caused by loose cam chains beating up the sliders, variable cam timing as the chain slack allows it to vary by a large amount when the tensioner allows . When the dies in the press start to get out of tolerance the cam chain becomes a chainsaw. A worn timing chain will allow the valves to operate at incorrect times, which causes the engine to run very poorly. There is a cam chain tensioner, you shouldn't have to adjust it. Re: Check your Cam Chain Tensioner - Post by TU250Tech » August 18th, 2011, 10:06 pm The chain tensioner is sticking out of the lower rear side of the cylinder on the right side of the motorcycle. I have a 1982 v45 magna and the timing chain is loose can it be adjusted thanks. Tests have proven that the design of the stock silent chain and spring-loaded tensioner mechanism allows cam timing to vary as much as 4 degrees and much more when heavy valve springs are used. A loose chain can cause premature wear on the front and/or rear sprockets and, if excessive, it’s possible for the chain to jump off a sprocket and that could end up being anything from unfortunate (if you’re lucky) to a complete disaster. I've been reading as much as I can about valve seating, tight lash/loose lash, negative preload. Adjusting valves on a motorcycle, ATV, or similar 4 stroke small engine is a fairly straight forward process that will give you peace of mind and save you money by not having to take it to a mechanic. The camshaft sensor is located under the hood, beside the engine, however, it isn’t always easy to find it. On the FZ 09 I replaced my CCT with the PSR, and it does it's job I guess. A timing chain is a maintenance-free unit and rarely need replacement. The tensioners can work just fine at lower rpm, but the ratcheting paw can drop back a few teeth under decel at higher rpm. Turn the chain adjuster nut (6mm) on the chain adjuster clockwise to tighten the chain making sure that you are evenly adjusting each adjuster the same to keep the axle square to the frame. on lubing the chain as If the cam chain Effects of running on a loose chain for prolonged period of time is that the chain is pulled abnormally and develops uneven slackness and will in turn be very tough to get a perfect slack and in this case must be replaced with a fresh chain-sprocket set. ) OK, so you've used the marks on your swingarm to adjust your chain and align the wheels. In the May issue of Baggers, we looked at several weak spots in the Twin Cam's bottom end, mainly excessive crankshaft runout and drive issues relating to the chain-driven cams. When a timing chain elongates it may not do so in a uniform way and parts of the chain may be tighter or looser than others. I dont believe there are any symptoms of a loose cam chain until the cams skip a tooth or 2 due to the loose chain. Most likely the front cam chain guide bar. Nov 30, 2016 Typically you'll be able to hear the rattle and/or slap of a loose chain. The Problem: I have a loose cam chain. i just bought pc3 usb new sprocket and chain kit and new tires and rear brake pads for my bike all off motomummy and a k&n Air filter off ebay and all these i do expect to do by myself a long with powder coating the wheels what the hell right there off anyways ? A long chain is frequently used to drive the camshaft from a sprocket on the crankshaft, but such a long chain tends to 'whip'. even on stable engines like Honda's cam drive V4. Hey guys. Look at the ends of the swingarm-youll see two studs poking out with locknuts, these are used to move the wheel back and tension the chain. Answer if timing chain has skipped a tooth, the car will run like crap. Is there any other parts to get besides the chain, like the plastic dampers, etc. However, before they break, they usually loosen. the cams can jump timing, and the chain will eat into the sprockets and block spreading metal into the oil system. cam chain rattle. Luckily, they are not subject to dirt and mud, are bathed in an oil bath, Mar 29, 2016 Do you ever hear strange sounds coming from your motorcycle and wonder if it oil level is present, but may also indicate a valve sticking, loose cam chain or . Now set the mark both in line together "where this are called the timing mark" then place the chain. maybe still too loose. 14. This is a discussion on cam chain rattle within the Z1K/Z750 Maintenance forums, part of the Kawasaki Z1000, Ninja 1000, Z800, Z750 & Z-750S category; right got the bike out of my garage the other day from its winter hide away. We used a JIMS tool to hold the cam chain tensioners locked away from the chains after the cam cover was removed. Shop with the guys that ride! The cam tensioner lock nut is located on the left side, above the cam chain adjustment bolt. 1. Hi there, i just recieved my Nihilo manual cam chain tensioner for my 2012 ktm 350 exc-f in the post and it came with a piece to block off the oil jet which squirts oil into the oem cct. When a timing chain is loose, several Jul 28, 2015 Just like the drive chain, timing chains elongate, fatigue, and wear out. How to diagnose a bad cam chain on a dirtbike & manual chain www. All it is is a blot that goeds down the hole and puts pressure on your cam chain to make it not rattle and not be as loose. Pull the distributor cap and observe the rotor position. Things like this indicate time to replace the chain and sprockets. Now that the cam chain isn't clacking, I do hear a little rattling, which I would assume is the gearbox, but it's nothing compared to the noise I was hearing before I put in the new tensioner. 07-20-2017, 07:47 PM #14 It shouldn't be the cam chain imo. To test for a cam chain tensioner failure you or your helper has to listen for the sound on the cyclinder head after the bike is warmed up. So after removing my oil pump i have noticed that my timing chain is really loose. I didn’t read every post but the reason the Cam Chain Tensioners wear out is the cam chain itself . When a timing chain is worn, it develops slack and becomes loose. procedure. In older engine designs without an overhead camshaft, the timing chain is short and doesn’t require a tensioner (see image). Racers and track day bikers will want to optimise the power output of their bikes, while commuters will want to minimise wear to prolong the life of the chain. 250 movement when the rack pushes back and forth over 3-4 teeth, and overly worn cam chains from that slapping and snapping around. A worn timing chain, guides or chain tensioner can also cause variety of noises originating from the timing chain cover area of the engine. I've been chasing down a rough idle condition, and after eliminating just about every other source of this, I've come down to slack in the timing chain. I am beginning to wonder now if I might possibly have a bad pushrod. Get the back wheel off the ground with a stand and open the pinch bolt. check the sticky notes on this forum. Cam gear = Rs680 Cam followers = Rs400 Cam Shaft = Rs180 No idea about AHL but obviously it would be expensive I would recommend changing cam followers and cam shaft along with cam gear to avoid unnecessary opening again