Harley Automatic Primary Chain Tensioner Problems

I removed the primary cover to inspect the chain and tensioner and all looked almost new. I wanted to ask what others think of going to a manual primary chain tensioner over the automatic on on my twin cam. 1) Will the 07AMG-001A100 cam chain tension tool really work fine on both sides? I know it's not what's. I alreadt replace the tensioner shoe - Harley Davidson FXDX Dyna Super Glide Sport question one of those automatic. Shop our complete selection of Harley-Davidson Motorcycle parts and accessories including the V-Twin Manufacturing Primary Cam Drive Chain Tensioner - 10-0485. To adjust the primary chain you remove the oval-shaped inspection cover on the chaincase, loosen (don't remove) the 9/16" nut that holds the chain tensioner in place and move the adjuster up or. couldn't pass it up. It Permits the Manual Adjustment of the Primary Chain Tension and Locks it in Place. Primary Chain Adjustment Buell Blast Models are shipped with a spacer between the primary chain limiting screw and the locknut. The tensioner did nothing for the starter operation, nor the clunk when shifting into 1st gear. Purchase the Hayden Enterprises Inc Primary Chain Tensioner at J&P Cycles, your source for aftermarket motorcycle parts and accessories, with free everyday tech support. Additionally, EI’s kit offers a substantial reduction in rotating component weight—more than 2 pounds compared to the stock compensator assembly and primary chain. ” No cam drive noise = no tensioner problem, why bother changing it. You can also find other images like wiring diagram, sensor location, fuel pump location, starter location, control module location, parts diagram, replacement parts. "This problem plagues 2006 Dyna as well as 2007 and later Harley Davidson Big Twin models. which in turn tightens and loosens the primary chain, between that and your clutch this is why it clunks ,clicks and have a hard time putting into neutral. RPM Hayden Enterprises M6 Automatic Primary Chain Tensioner Adjuster Harley 07-16. Fits 2006-17 Dyna & 2007-2017 Softail Models. Here are the balancer components from a JIMS 120ci TC B-motor, which are the same for a stock motor. You may remember that in 2006 the Dyna's also sported a new six-speed transmission, revised engine cases with hidden oil lines, and revised primary chain cases, as well as the company's first closed-loop fuel injection system. The lack of play in the primary chain created by the use of the hd auto tensioner does 2 things. Need to watch for this problem if it has not been fixed. This of course makes the chain tighter and less chance it will slap and make noise in your primary. Sounds like the auto chain tensioner. Automatic Chain Tensioner Adjustment Published by glider (Wise Member) Published date: May 20th, 2008 Here's a trick to reduce the constant engine noise that sounds like valve train noises on the newer 96 Cu In. Shop our complete selection of Harley-Davidson Motorcycle parts and accessories including the V-Twin Manufacturing Manual Primary Chain Adjuster Kit - 18-8328. The MoCo said it wasn't a defect. The primary chain tensioner hardly had a groove in it. A cam tensioner, as its name implies, adjusts the tension on the engine’s cam chain. Reduce shifting noise; makes for a smoother ride. The tensioner for the primary I been hearing about is the Hydraulic Primary chain tensioner. These motorcycles came equipped with an automatic, ratcheting primary chain tensioner, which is the culprit. Primary Chain Tensioner American Bikes. ★Automatic Primary Chain Tensioner. The purpose of this device is to keep the appropriate amount of tension on your primary chain and they do fail sometimes. Don't buy it. ) If you have been following the 'Harley automatic primary chain tensioner' topics on the web and in the various Harley forums that there are volumes of conflicting information about this particular part. harley dyna primary chain tensioner problems. , slow and unedited. There is a cure for the Harley primary auto adjuster blues. This video details the procedure for inspecting the timing chain tensioners. Reduce shifting noise; makes for a smoother ride. ” Twin Power has developed a solution, which keeps the problem of overtightening from occurring. When the tensioner requires replacement, the cam chain can become slack and begin to make noise. Find the V-Twin Manufacturing Manual Primary Chain Adjuster Kit - 18-8328 at Dennis Kirk. Changed the primary chain lube to atf and it had no effect. Inner pad wears first for some reason. The Baker Drivetrain Big Attitude Chain Adjuster solves the issues associated with the stock auto chain tensioner on 2006-Later Dyna & 2007-Later Softail/Touring models. lbs some were saying it was. The tube between the cylinders delivered oil to the primary chain. As the primary chain slacks during operation, the chain needs to have pressure on it to keep it from slapping against the Primary casing. I recently purchased my 1st Harley a 2007 Electra Glide standard with the 96ci engine. When deciding on a tensioner the Hayden name kept. Harley implemented this in there primary tensioner several years ago completely destroyed chains and guide. While this may seem like only a maintenance issue, some Harley’s bulbs have been installed improperly. Unfollow harley davidson primary chain tensioner to stop getting updates on your eBay Feed. noticed it was very noisy in the primary so i took the cover off. The best money you'll ever spend on your Harley will be the factory service manual. PRIMARY CHAIN TENSIONER MG KIT SPT 1977/1990 SELF ADJUSTING SPRING LOADED MFG. The auto tensioner always ratchets tighter, never backs off ! The M-6 is spring loaded and can compensate for the tight and loose areas in the chain. I've read other posts about this problem but personally i've never experienced it on either of my bikes. Provide constant and even tension, which improves gear shifting. NBX- Automatic Primary Chain Tensioner Adjuster For Compatible with 2007-2016 Harley Big Twin 06 Dyna. The newest generation in Harley-Davidson Big Twin performance, the Twin Cam 96 air-cooled V-Twin 45-degree engine debuted along with a 6-speed Cruise Drive transmission in 2007 on all Touring, Softail and Dyna models, setting a standard in the motorcycling industry. Loosen the jam nut, then unscrew the adjuster. Well I picked one up today at a swap meet and going to give it a go. Usually, the factory automatic primary chain tensioner is the culprit. Is there any truth to this? Are the manual. I put this in my bike with the Hayden automatic tensioner thinking it would add a slight bit of cushion. What is the problem? The shoes rub against the two chains and the plastic shoes wear out. What Im trying to accomplish is as the chain stretches the slack-adj. Guaranteed for life. The Harley tensioner has had some problems because of it's inability to ratchet backwards. FREE Shipping. "Im a Harley Tech,, and have not seen this problem once so far in our dealership,, the expansion of the parts when at running temperature is considerable,, i can assure you that chain is to tight and will eventually damage parts in the drivetrain ie compensator / trans mainshaft bearings,, not to mention the very early wear of the tensioner. If it's well worn you will hear a muffled bang or pop as the adjuster takes up the slack in the Cam Chain. 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. This auto-adjuster was installed that year on Dyna’s, and starting in 2007 on the rest of the v-twin fleet. Details about Automatic Primary Chain Tension For Harley-Davidso n Dyna Fat Bob (EFI) - FXDF 08 Be the first to write a review. com El mot or Twi n Cam 9 6B?. What is the problem? The shoes rub against the two chains and the plastic shoes wear out. I don't really trust the automatic primary chain tensioners either but that's not a big deal since it wont damage the engine if it fails. Get free shipping, 4% cashback and 10% off select brands with a Gold Club membership when you get a Hayden Enterprises Inc Primary Chain Tensioner (part number M6-6595) from J. ★Helps with smooth shifting, less 1st gear clunk! ★Reduce shifting noise; make for a smoother ride ★Extend primary chain life Specification: Material: Steel & Aluminum & Plastic Net Weight: 588G Pakage Demensions: 5*10*14CM. Pulled the primary cover off, found primary chain tight. " Twin Power has developed a solution, which keeps the problem of overtightening from occurring. Our manually adjusted Primary Chain tensioner helps prevent premature engine and transmission bearing failure by allowing proper chain tension of 5/8" to 7/8" free play when cold. Harley-Davidson is advertising and selling automatic chain adjusters for the older Twin-Cam models. The video is one of many in a series and is real-time, i. Ironhead anyone have any experiance with this automatic primary chain tensioner(pic) Ironhead Sportster Motorcycle Talk (1957-1985) Ironhead anyone have any experiance with this automatic primary chain tensioner(pic) - The Sportster and Buell Motorcycle Forum - The XLFORUM®. 220 results for harley davidson primary chain tensioner Save harley davidson primary chain tensioner to get e-mail alerts and updates on your eBay Feed. The problem with that is now the chain is too tight. These motorcycles came equipped with an automatic, ratcheting primary chain tensioner, which is the culprit. noticed it was very noisy in the primary so i took the cover off. I've heard stories about the chain adjuster getting too tight and causing bearing failure. He removes the exhaust, floor boards and everything in the way of the cam cover. com AMERII case CAN CYCLE. Original Equipment on ’06-later Dyna and ’07-later Softail and Touring models, this Automatic Primary Chain Adjuster eliminates the need to manually adjust the primary chain tension at traditional service intervals. This is the same material used on our cam chain tensioners and manual primary chain tensioners. Extends primary chain life. The problem is the design of the cam chain system. Next under neath the primary is the adjustment for the chain tensioner. Automatic Primary Chain Tensioner For Harley-Davidson Sportster. This is most evident on a hot engine and primary if the idle isn't really smooth. There are many how to's available on the web. com offers 1,211 plastic chain tensioner products. Get the best deal for Hayden Enterprises Motorcycle Parts for 2006 Harley-Davidson Heritage Softail from the largest online selection at eBay. Browse your favorite brands affordable prices free shipping on many items. The problem is the design of the cam chain system. My question is how loud are these chains supposed to be while spinning in the closed case. In 2006 Harley-Davidson introduced a new automatic primary chain tensioner for the Dyna model line. Here is a quick guide on accessing and adjusting the chain as needed. "This problem plagues 2006 Dyna as well as 2007 and later Harley Davidson Big Twin models. Primary chain tensioners (automatic) resulted in a primary chain that ran way to tight and would eat the bearings after 30,000 miles. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. I wanted to try to make separate tensioner for each chain there is no space in cases. I have read many online posts of the OEM units over tightening the primary chain and causing wear on things like bearings and shafts. I swapped out my cam chain tensioner for gears at 52k. Harley Davidson Primary Diagram ~ thank you for visiting our site, this is images about harley davidson primary diagram posted by Benson Fannie in Diagram category on Oct 12, 2019. ★Automatically adjust the tension of the primary chain ★Keeps chain in adjustment while eliminating vibrations. Available to fit 06-16 Dyna and 07-16 FLT, Softail and Big Twin Harley-Davidson® models. RPM Hayden Enterprises M6 Automatic Primary Chain Tensioner Adjuster Harley 07-16. You may remember that in 2006 the Dyna's also sported a new six-speed transmission, revised engine cases with hidden oil lines, and revised primary chain cases, as well as the company's first closed-loop fuel injection system. HARLEY DAVIDSON ROAD KING Comments and Complaints ID:12993 - Vehicle Safety Comments and Complaints Information for HARLEY DAVIDSON ROAD KING the primary chain. If search results do not exist, please search by others keyword. Listen to LAB-102-Harley Compensator Noise From Primary-New Chain Tensioner AND Torque Cones-Do They Work? Plus More! and 230 other episodes by Law Abiding Biker | Street Biker Motorcycle Podcast. Find many great new & used options and get the best deals for New Hayden Enterprises M6-BT07 Automatic Primary Chain Tensioner 07-up Harley at the best online prices at eBay!. Harley recommends replacing them when the wear reaches the half-way mark. Find many great new & used options and get the best deals for New Hayden Enterprises M6-BT07 Automatic Primary Chain Tensioner 07-up Harley at the best online prices at eBay!. The suspects are primary chain, compensator gear or cam bearings/tensioners, using a mechanics stethoscope, the BAD sound is stronger on the cam chest side of the engine. A few have experienced that the auto tensioner was bad or needed to be quickly adjusted. Frank Wood; Why is Harley-Davidson still using a chain primary instead of a gear drive system??. I just installed an automatic primary chain tensioner in my '02 Superglide. The MoCo said it wasn't a defect. Save 10% ($13. 2) Remove the foot pegs or floorboards on the left side of the motorcycle and the outer primary cover. Harley-Davidson is advertising and selling automatic chain adjusters for the older Twin-Cam models. It is desirable to adjust the primary chain on your Harley-Davidson motorcycle to prevent the chain from slapping inside the chain enclosure, to extend chain life, and to get the most power from the motor. Find the V-Twin Manufacturing Primary Cam Drive Chain Tensioner - 10-0485 at Dennis Kirk. Cycle X Better Than OEM Primary Chain Tensioners (New Version) Introducing remanufactured OEM tensioners with our special material for the wheels unaffected by heat and will never wear. Skip to main content. If you have an 05 or later, don't. The new Tension Reliever Manual Primary Chain Adjuster from Twin Power can be ordered through your local Tucker Rocky | Biker's Choice dealer. This cam drive mechanism is superior to the silent chain design. The tensioner uses a spring to tension the chain. If primary chain tensioner becomes disassembled, assemble in order shown. Harley-davidson. Provide constant and even tension, which improves gear shifting. Want to talk to him instead of email Called Direct Cycle parts. Our test bike was ran with the Harley maintenance schedule of oil changes at every 5,000 miles. So oil pump failure and timing chain bind can be related. Find many great new & used options and get the best deals for New Hayden Enterprises M6-BT07 Automatic Primary Chain Tensioner 07-up Harley at the best online prices at eBay!. There are few reasons to remove the inner primary cover on a Harley-Davidson motorcycle. Primary Chain Adjustment Buell Blast Models are shipped with a spacer between the primary chain limiting screw and the locknut. bikes that have the auto adjusting primary chain tensioners and no inspection port. HB Wedge Hydraulic Chain Tensioner Part #Wedge 2 800. For better or. "This problem plagues 2006 Dyna as well as 2007 and later Harley Davidson® Big Twin models. What is the problem? The shoes rub against the two chains and the plastic shoes wear out. Purchase the Baker Attitude Chain Adjuster at J&P Cycles, your source for aftermarket motorcycle parts and accessories, with free everyday tech support. The hydraulic cam chain tensioners will significantly outlast the spring-loaded tensioners, and are an ideal addition to an engine modified for improved performance. I wanted to try to make separate tensioner for each chain there is no space in cases. will be taken-up automatically!. If and when the primary chain stretches at certain points the auto tensioner ratchets up to compensate. When the tensioner requires replacement, the cam chain can become slack and begin to make noise. As you can tell from pic its new. Find helpful customer reviews and review ratings for Twin Power Tension Reliever Manual Primary Chain Adjuster 4635 at Amazon. Harley-Davidson is advertising and selling automatic chain adjusters for the older Twin-Cam models. Harley’s have a bad reputation when it comes to electrical problems such as bulb burn out. than the original Harley because. Bulb burnout exposes a rider safety problem resulting from signals and brake lights malfunctioning. eBay Motors: HARLEY AUTOMATIC PRIMARY CHAIN TENSIONER 40063-05A (item 110292476297 end time Oct-03-08 14:12:14 PDT). I put new primary cover on my bike at about 55k. Reduce shifting noise; makes for a smoother ride. Find many great new & used options and get the best deals for Hayden Enterprises - M6-BT07 - M-6 Primary Chain Tensioner at the best online prices at eBay! Free delivery for many products!. Extends primary chain life. com: harley primary chain tensioner. Available to fit 06-16 Dyna and 07-16 FLT, Softail and Big Twin Harley-Davidson® models. 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. Have it in 1-3 Days. It seems like the chain is too tight now. Hayden Enterprises M6 Chain Tensioners - Automatically adjusts the tension of the primary chain. Harley Cam Chain Tensioner Shoes. HB Wedge Hydraulic Automatic Primary Chain Tensioner* Play the Video Reduces chain rebound on engines with large camshafts and large cubic inches There are two. Cold, you will never hear this, as the chain tension is looser and the shoe of the tensioner won't quite be tapping the stop from chain whip. Our manually adjusted Primary Chain tensioner helps prevent premature engine and transmission bearing failure by allowing proper chain tension of 5/8" to 7/8" free play when cold. Dasen Primary Chain Tensioner Adjuster For 2007-2017 Harley Big Twin Engine. i read some posts on a site that apparently lots of riders have had this problem. Find many great new & used options and get the best deals for Hayden Enterprises M6 Automatic Primary Chain Tensioner Adjuster Harley 07-16 at the best online prices at eBay!. I only have 6000 miles on mine. Install chain tensioner spring over pin and into hole in crankcase. Re: Hayden M6 Tensioner- Triglide and dont forget also that that when the engine area is cool and hot it expands and contracts. The Harley tensioner has had some problems because of it's inability to ratchet backwards. I recently acquired a 2013 Dyna Switchback with about 8000 miles. So it's very likely that 75% of 2017s haven't worn enough to move the tensioner. Other years affected? We. Reduce shifting noise; makes for a smoother ride. Harley's automatic primary chain tensioner has issues of its own. These motorcycles came equipped with an automatic, ratcheting primary chain tensioner, which is the culprit. Need to watch for this problem if it has not been fixed. This auto-adjuster was installed that year on Dyna’s, and starting in 2007 on the rest of the v-twin fleet. I have read many online posts of the OEM units over tightening the primary chain and causing wear on things like bearings and shafts. com offers 1,211 plastic chain tensioner products. Primary chain tensioner is non-repairable. It replaces the stock factory adjuster. Standard upgrades include a Screamin' Eagle® lefty crankcase bearing, Screamin' Also included and ready for installation by an. When does the timing chain need to be replaced? We all know that a timing belt in a car engine needs to be replaced at recommended service intervals, but what about the timing chain? What is the difference between a timing belt and a chain?. These tensioners are a maintenance item, but are often overlooked (even by dealership technicians) because there is no. Reduce shifting noise; makes for a smoother ride. The tensioner automatically adjusts while you ride via a very powerful torsion spring. I didn't have any initial noise from the chain case. NOTES Install the primary chain, compensating sprocket and clutch as a single unit. Usually, the factory automatic primary chain tensioner is the culprit. Skip to main content. If you do a lot of fast starts, the chain will stretch faster. Rigid-mounted and air-cooled, the 1584cc Twin Cam 96B? engine provides increased power, smooth performance and a maintenance-free built-in primary auto chain tensioner. Hayden Enterprises M6 Chain Tensioners - Automatically adjusts the tension of the primary chain. Get free shipping, 4% cashback and 10% off select brands with a Gold Club membership, plus free everyday tech support on aftermarket Harley-Davidson Primary Chain Tensioners & motorcycle parts. I had read about many of the primary problems. Cycle X Better Than OEM Primary Chain Tensioners (New Version) Introducing remanufactured OEM tensioners with our special material for the wheels unaffected by heat and will never wear. If search results do not exist, please search by others keyword. At bottom is the cast aluminum chain guide support assembly with two hydraulic chain tensioners and three black chain guides. not the same noise. The Results. Re: Hayden M6 Tensioner- Triglide and dont forget also that that when the engine area is cool and hot it expands and contracts. Primary cam drive chain tensioner for TC-88 models. If you have an 05 or later, don't. It cannot over tighten past factory spec, the design will not allow it. Video-In this completely free DIY video we show you how to remove and replace a primary drive auto chain tensioner on a Harley-Davidson motorcycle. Standard upgrades include a Screamin' Eagle® lefty crankcase bearing, Screamin' Also included and ready for installation by an. Our "how to" videos are all done on our personal ride, a 1998 HD FXSTC. I really like the changeover all except in higher gears I have to shift later, about 2500 to 2600 RPMs or I get some pretty nasty noise from the primary that sounds like chain slap. There are 3 complaints filed for the 2013 H-D FLHTK. Tensioner parts can be disassembled. A correctly tensioned chain needs no perceptible play. eBay Motors: HARLEY AUTOMATIC PRIMARY CHAIN TENSIONER 40063-05A (item 110292476297 end time Oct-03-08 14:12:14 PDT). Don't buy it. Harley Davidson Dyna Glide: Engine Noise Diagnostic Guide. Automatic primary chain tensioner works with primary oil. Check out current Harley motorcycles, locate a dealer, & browse motorcycle parts and apparel. it was a ggod deal at $1800. PRIMARY CHAIN TENSIONER MG KIT SPT 1977/1990 SELF ADJUSTING SPRING LOADED MFG. I followed the instructions the best that I could and it says that if the tensioner moves up and down when you flex the chain then you are good. The tensioner did nothing for the starter operation, nor the clunk when shifting into 1st gear. the guts of my primary consists of a welded stock tensioner, a 32 tooth Game Changer, and one of the initial CompensaVer's, along with an Evo Industries clutch basket, and a Bandit clutch. At the first movement that the chain has slack, the auto tensioner ratchets the shoe up another notch. Harley cam chain tensioner replacement on a Twin Cam - Harley 1999 Electra Glide FLHTPI cam chain tensioner replacement. Your primary chain tensioner will likely out last your cam chain tensioners by tens of thousands of miles. HB125-07 Hydraulic Automatic Primary Chain Tensioner (For 2007 and newer Big Twins) Reduces chain rebound on engines with large camshafts and large cubic inches. Re: Hayden M6 Tensioner- Triglide and dont forget also that that when the engine area is cool and hot it expands and contracts. Many owners find themselves fretting over engine sounds that clatter, tick, and rattle, but experience no ride-ability issues or loss of performance. Next remove the bolts from the primary, noting which ones went where as there are short and long bolts. Is there any truth to this? Are the manual. HAYDEN M6 CHAIN TENSIONER Clank eliminator for a '14 Dyna Low Rider TECH • by Tom Johnson spring assembly and guide plate. Hey Carl ! Automatic primary chain adjuster. Extends primary chain life. Most twin-cam engines that we've torn into, show a very significant amount of wear on the chain tensioner shoes by the time they've hit the 25,000-mile mark. In this completely free DIY video we show you how to remove and replace a primary drive auto chain tensioner on a Harley-Davidson motorcycle. The newest addition is the Tension Reliever Manual Primary Chain Adjuster, designed to eliminate previous issues with keeping the primary chain at the right tension. This forum's self help area is experiencing problems right now, but it may be in the members self help tips (box at top left of page). Shop the best Harley-Davidson Primary Chain Tensioners for your motorcycle at J&P Cycles. Harley-Davidson updated the silent chain and spring-loaded tensioner mechanism with a roller chain and hydraulic tensioner setup in 2006 on Dyna models and in 2007 for all other models. I only have 6000 miles on mine. Next remove the bolts from the primary, noting which ones went where as there are short and long bolts. what identifies a harley primary chain as being worn out. Primary Chain Adjustment Buell Blast Models are shipped with a spacer between the primary chain limiting screw and the locknut. I fitted this the other week to my 07 Heritage. Davidson Harley Manual Timing Chain Tensioner Upgrade Cost Manual Primary Chain Tension Adjuster at the Official Harley-Davidson Online Permits manual selection of primary chain tension, A direct replacement. Q: What is the purpose of the oil in a 'WET' clutch? A: The primary purpose of the oil in a wet clutch is to act as a coolant. The facts & solution on the Harley Davidson Twin Cam Chain Tensioner problems affecting pre 2006 Dyana's and 1999-2006 Harley Davidson. I had several conversations with Baker staff, who, as usual, were very helpful and patient with me. The Screamin' Eagle® Manual Primary Chain Tension Adjuster is a real benefit in those aggressive racing situations where frequent drag racing starts and high rpm speed shifting are part of the riding experience. You usually have to set the engine to some kind of mark on the flywheel. Adjusting the chain is relatively easy. Country of origin: INDIA. That plug is a pipe thread,it's easy to get it to tight. Hayden Enterprises M6 Chain Tensioners - Automatically adjusts the tension of the primary chain. Sounds like the auto chain tensioner. But the upgrade doesn't quite end with the rpm boost: SD H-D had already gone a step further, swapping the stock chain tensioner for a Baker Drivetrain Attitude Adjuster. Re: Hayden M6 Tensioner- Triglide and dont forget also that that when the engine area is cool and hot it expands and contracts. Guaranteed for life. 09 Manual Cam Chain Tensioner Adjustment Kawasaki Concours Cam Chain Tensioner measurement Vulcan 1500. Bike Specific Exact Fit parts are designed specifically for your bike. There are many how to's available on the web. A cam tensioner, as its name implies, adjusts the tension on the engine's cam chain. I only have 6000 miles on mine. It came with an automatic primary chain tensioner. Ironhead anyone have any experiance with this automatic primary chain tensioner(pic) Ironhead Sportster Motorcycle Talk (1957-1985) Ironhead anyone have any experiance with this automatic primary chain tensioner(pic) - The Sportster and Buell Motorcycle Forum - The XLFORUM®. From what I understand I do not have to worry about the cam tensioner issue as much as the primary chain tensioner putting too much tension on the chain. Anyhow, loading her up in the trailer tomorrow morning for a ride to the dealer to get checked out and fixed. "This problem plagues 2006 Dyna as well as 2007 and later Harley Davidson Big Twin models. Not all automatic tensioners fail so I have one comment before starting out – “if it ain’t broke don’t fix it. I don't really trust the automatic primary chain tensioners either but that's not a big deal since it wont damage the engine if it fails. The newest addition is the Tension Reliever Manual Primary Chain Adjuster, designed to eliminate previous issues with keeping the primary chain at the right tension. Reduce shifting noise; makes for a smoother ride. Harley implemented this in there primary tensioner several years ago completely destroyed chains and guide. A couple notes: I didn't use Red Loctite as suggested by Twin Power. Thought they were just half a Sporty motor but apparently not. You can not account for thermal expansion etc In order to work ratcheting need to go also the other way. A cam tensioner, as its name implies, adjusts the tension on the engine's cam chain. At bottom is the cast aluminum chain guide support assembly with two hydraulic chain tensioners and three black chain guides. harley dyna primary chain tensioner problems. It also won't be loose like a manually adjusted chain would tend to be. Changed the primary chain lube to atf and it had no effect. I wanted to try to make separate tensioner for each chain there is no space in cases. As the Cam Chain wears (Stretches) it makes more noise. I have read many online posts of the OEM units over tightening the primary chain and causing wear on things like bearings and shafts. The parts to complete this conversion are listed below and can be purchased from your local H-D dealer. Found the Hayden shoe pitted and it looked like it got hot. They were only about 1/2 worn thru. At the first movement that the chain has slack, the auto tensioner ratchets the shoe up another notch. HB125-07 Hydraulic Automatic Primary Chain Tensioner (For 2007 and newer Big Twins) Reduces chain rebound on engines with large camshafts and large cubic inches. This of course makes the chain tighter and less chance it will slap and make noise in your primary. I alreadt replace the tensioner shoe - Harley Davidson FXDX Dyna Super Glide Sport question one of those automatic. It really depends on how hard you ride whether the chain will stretch or not. There is a cure for the Harley primary auto adjuster blues. Most twin-cam engines that we've torn into, show a very significant amount of wear on the chain tensioner shoes by the time they've hit the 25,000-mile mark. Automatically adjust the tension of the primary chain. It replaces the stock factory adjuster. Self adjusting automatic primary chain tensioner with double springs. Harley-Davidson makes a Screamin' Eagle automatic primary chain adjuster, or you can go with a Hayden M6 primary chain adjuster. The tensioner did nothing for the starter operation, nor the clunk when shifting into 1st gear. Dasen Primary Chain Tensioner Adjuster For 2007-2017 Harley Big Twin Engine. This forum's self help area is experiencing problems right now, but it may be in the members self help tips (box at top left of page). The facts & solution on the Harley Davidson Twin Cam Chain Tensioner problems affecting pre 2006 Dyana's and 1999-2006 Harley Davidson. That is why Harley started to install Hydraulic tensioners after 2009. Depends a lot on the model and age. No Hassle Returns. Usually, the factory automatic primary chain tensioner is the culprit. It came with an automatic primary chain tensioner. The Twin Power Tension Reliever helps prevent premature engine and transmission bearing failure by allowing proper chain tension--5/8 to 7/8 in. NBX- Automatic Primary Chain Tensioner Adjuster For Compatible with 2007-2016 Harley Big Twin 06 Dyna. There are few reasons to remove the inner primary cover on a Harley-Davidson motorcycle. Anyhow, loading her up in the trailer tomorrow morning for a ride to the dealer to get checked out and fixed. Pull the primary cover off & replace the OEM Primary Chain Auto Adjuster with a new Auto Tensioner. Re: Hayden M6 Tensioner- Triglide and dont forget also that that when the engine area is cool and hot it expands and contracts. At this point, I am that way, but it isn't necessary. This of course makes the chain tighter and less chance it will slap and make noise in your primary. I just saw this on Ebay. Read honest and unbiased product reviews from our users. The best news of all is that Harley-Davidson problems have solutions. About 26% of these are other auto engine parts, 1% are other power transmission parts. Make sure you scribe the tensioner after you get it set so you have 5/8" cold chain deflection measured at the top of the chain in the center. It cannot over tighten past factory spec, the design will not allow it. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. While prying the tensioner spring down, slide shoe onto pin and tensioner spring. Harley Davidson had made their commitment to racing and the three speed transmission was a major significance and advance to road and track.