:nerd: The term fail is ok with me as a starter. From there you can go on, investigate, and decide whether its fair wear and tear, early life failure, or perhaps misuse.Puzzled why folks use the term "Fail" or "Failed" when a more accurate term surely should be ...
worn..or ... wear.
Nothing lasts forever and most things wear ...
Please take lots of images when you do the Belts and the Linkage Kit. I and no doubt many others will really appreciate seeing those. That way we all learn.