Well, one school says you should stick rigidly to a predetermined and low max rpm, and however you ride below that rpm does not matter. The other school emphasizes running up and down the rev range with an emphasis on loading the piston rings and not staying at one particular rpm. My point was...
As Kristian has said, and you quoted, It says 'avoid prolonged operation above 5k'. It might sounds like semantics, but this is an important difference. There are two schools of thought about break in, and what Yamaha has written allows you to load the engine, vary the revs and not lug, while...
Thanks! I almost started furtling at the engine end, as couldn't pull the rubber cover from the handlebar end adjuster. After reading your post I went back and realised it splits in the middle. Job done!