It doesn't say anywhere that you shouldn't rev a new bike over a certain RPM. Mine says not to hold the rpm over 5000 for "an extended period of time" for the first 1000kms. It is however good for the bike to rev it through most of it's rpm range during the breakin. I haven't taken mine over 10000rpm yet but I do quite frequently rev it up to this rpm. This is how a bike should be broken in.