If you ride a Harley, there's a pretty good chance that you have a Twin Cam engine. Below is some advice from an experienced technician on an issue that's pretty common with these engines. Hopefully this'll save you from some headaches in the future.
Harley Davidson Twin Cam engines up to 2006 had some potential cam chain tensioner issues. The cam chain tensioners could wear very quickly and end up breaking apart, allowing chunks of plastic to run through the engine. This could cause some oiling issues along with lots of noise. Once this happens, it can be fairly expensive to fix. Your best option is to have them checked and hopefully catch the problem before it happens.
All that has to be done is to remove the cam cover and inspect the tensioners. It's recommended that they be checked when the motorcycle reaches 30,000 miles. If they are wearing out, then they can be replaced before they break. The specs can be found in your service manual.
There is also conversion kits to replace the stock tensioner with a hydraulic one. Harley Davidson actually switched to these on their Twin Cam engines after 2006. Check prices to see if this might be a viable solution for you. If you own a Twin Cam from these years, you need to be cognizant of this potential issue so that you can stay riding and save money.
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