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Uploaded on Oct 11, 2011
This is a video of my 2007 Yamaha R1 that has a "knocking" sound around 4,000 RPM. We have researched into problems on these bikes and narrowed it down to the Cam Chain Tensioner, at least we believe so.
I am posting this video for feedback from others that have possibly had this problem or been around bikes that have had this or possibly like it.
Any Feedback or opinions would be greatly appreciated.