I Love Harley Davidson, But You Must Know This. Here is the ignored elephant in the cornerThere is a potential major issue in the Harley Davidson Twin Cam engines. This is a statement of fact, not a bunch of wild guesses. Im not here to bash Mother Harley, but you should be educated to its causes, and possible solutions. Pool Tables Pool Table Fabric POOL TABLES. Over the years we have worked on every brand and style of pool table out there. As with any product, some tables are. In bowling, a pinsetter, or pinspotter, was originally a person who manually reset bowling pins to their correct position, cleared fallen pins, and returned bowling. Okay, what issue are we looking at Its a very serious one that is enough to alarm you. However, you can fix these defects and end up with a nice bike. Our objective today is to educate, and we are also going to outline some ways to fight back. Yes, even the new Harleys have serious, potential problems. Even the expensive CVO Custom Vehicle Operations bikes have issues not to be taken lightly. Here we go. The problem is the design of the cam chain system. It uses plastic shoes riding on the cam chains that can and do wear out. Harley has made some changes in later model bikes, but even with the new hydraulic tensioning system, it is not a true fix. What is the problem The shoes rub against the two chains and the plastic shoes wear out. When they wear in extreme cases, there will be metal to metal contact and this grinding creates metal shavings that can result in a catastrophic engine failure. If not caught soon enough, this can be so bad that the entire engine can be destroyed cams, pistons, crankshaft and even engine cases broken. It is a wickedly serious possible engine problem. Be aware it can fail as soon 1. Even the newer hydraulic system can fail at 5. The cam chain tensioners have a section in every service manual that covers the Twin Cam engines and is very enlightening. If your pipes are loud, you may not hear or get any warning. Fastreport Crack on this page. The oil pump passages can clog up without making any noise whatsoever except when the engine starts tearing itself to pieces. The scary thing is every Twin Cam engine has the potential to have the cam chain follower issue, even the new models. Check things out before this happens to you. If it has a cam chains, it has the potential problem. It is our intent to make you aware that pre 0. Dynas and the 1. Twin Cam Harley Davidson engines have possible, serious issues and they can mess up. How In the most severe cases, as the spring loaded cam chain follower fails it shreds plastic material that fouls the rotary gear oil pump cutting off oil flow to the engine that can cause sudden catastrophic engine failure and destruction. Also, metal to metal contact in these shoes produces metal filings to disperse into the oil prior to being filtered by the oil filter. If this happens be prepared worst case to buy a completely new motor as rebuilding the engine may not be feasible. This is not a likely situation, but a realistic possibility. Are the 2. 00. 7 and newer, updated Twin Cam engines immune No. Do not be fooled. Hydraulic cam chain followers are now used to get rid of the stiff spring that put too much pressure on the followers rubbing on the cam chain, but this is no cure as it only delays the problem. Instead of the engine failing at 1. There is only one true cure getting rid of the chain system entirely and switch to gear driven cams. Harley Davidson should, in my opinion, make this a standard fix and not an after the fact option. If you cant afford to install the gear drive system, then you need to disassemble and inspect the inner and outer shoes every 1. The shoe material can also clog the oil pump destroying the engine. There are plenty of motorcycle magazines explaining how to fix this problem and they can fail beyond the factory warranty period. The problem has not been fixed only delayed to fail above 5. Kegel is the worlds leader in bowling lane machines, conditioners, and cleaners along with pinsetter parts, plus a teaching facility called the Kegel Training. Kilauea Mount Etna Mount Yasur Mount Nyiragongo and Nyamuragira Piton de la Fournaise Erta Ale. AMF Bowling is committed to being accessible by all. Please read our terms conditions explaining use of this website tell us if you have any feedback. This post was originally published back in 2006 and had such a huge response, I had to take it offline as it was causing problems with the server. Its now been. Check the fine print in your extended warranty as this cam chain related failure may not be protected. Dealers will tell you it is a failed maintenance issue unless you take the steps we suggest. You wont even get a straight, honest answer from Harley dealers regarding this engine defect. As I did research for this article, I called a local dealership, and the service writer would not answer my questions, and frankly gave me quite a song and dance, refusing to forward my questions and concerns to the mechanic or management. Disturbed and curious, I read a number of different service manuals, and while the drawing of what is good and bad with the cam tensioner shoes is published, there is no inspection interval listed. This leads me to believe Mother Harley knows a problem exists and Harley Davidson dealers are actively not giving straight answers to customers. How can they not have published inspection intervalsThe only mention of this possible failure is in the troubleshooting guide under Valve train noise. You will not hear any rubbing sounds or receive any indications the cam follower has failed even if you have quiet stock exhaust pipes on the bike. This is an issue that nobody wants to talk about, but is a real threat to your pocket book. OK, now that we have ruffled everybodys feathers, how can we combat this S S has truly been visionary in solving this issue. They had the foresight to develop a gear drive system to combat this very issue. It is my opinion, that all Twin Cam engines should have this conversion done, so you can rest easy on your higher mileage TC engines. How Much Does One Game Of Bowling Cost At AmfiThe gear drive replacement is an excellent and the only true bulletproof solution. As an alternative to gear drive, our only choice would be periodic tensioner shoe inspection. While not outlined in any Harley Service manual Ive seen, looking at them and replacing as needed should be done every 1. There are nice pictures of what to look for, but no recommended inspection interval. How Much Does One Game Of Bowling Cost At AmfarOrlando, Florida detailed profile. Singlefamily new house construction building permits 1997 377 buildings, average cost 118,900. Bowling Balls An InDepth Overview A guide to bowlings most important piece of equipment. Last Updated March 31, 2017. Law and lawyer cartoons, written by a Harvard lawyer. If you decide not to go gear drive, this is emphatically recommended. This periodic inspection can make any future warranty claim valid. On earlier engines, an update to the later style hydraulic tensioners will relive pressures and delay required service, but periodic inspection is still recommended. Check things out before this happens to you. One way to help understand what may be happening inside your engine is to cut apart your oil filter at each oil change. Look through the pleats for any metallic or plastic debris. If you see junk, its time for your engine to come apart. You may be able to save your engines life by doing this. Another thing to consider is better oils. Evil-Laughing-Baby-Meme-14-e1459774435531.jpg' alt='How Much Does One Game Of Bowling Cost At Amfam' title='How Much Does One Game Of Bowling Cost At Amfam' />Todays better performing premium oils can delay the destruction. While a bit more expensive than conventional oils, oil is still cheaper than engine rebuilds. Here, synthetics, such as the Bel Ray Synthetic part number 9. Revtech MTP Synthetic part number 7. Lucas Synthetic part number 9. As we have a decent oil filtration system in our TC engines, a way to help the filter is to apply a magnet such as PN 7. This will help trap any metallic grunge that may be floating in our oil. Remember though, most of the bad stuff is plastic, and the magnet will not capture that. I have tried not to bash Harley regarding this, and Im sure they dont care about my opinions. It has been my objective here to educate, not to assassinate the dealer network. Being forewarned is to be forearmed. As we pointed out earlier, if you have a higher mileage TC, you might want to inspect the tensioners before they bite you.