You may notice in the first picture that the far left Intake camshaft holder is marked with an E1. This holder unfortunately should be on the exhaust side. This R6 engine was bought by a customer off Ebay to replace his damaged motor. He brought it in for us to install and suggested taking the valve cover off to inspect and check the valve clearance before installing. This is one of the reasons why I would always recommend and rather rebuild a motor than buy used. This motor ran like this and ultimately caused some damage to the cam and journal. Lesson- you have no idea what your getting when you buy used.
I have been involved in mechanics and motorcycling from a young age. I formed Cycle Improvements in 1981 and still have the same passion to learn today as when I started. Hope you find this blog interesting and educational.