Originally Posted by Francisco Enes
Mine has a full termi exaust and you can ride it with no problem in every gear BELOW 2500rpm...
That's what I mean - it should do that with the stock exhaust. Without adding a 2k system to a 20k bike.
My bike runs just fine down to 1200 or 1300rpm or so and pulls cleanly out of this range. That's what I expect from a modern engine in a "daily use bike".