The powerband is a term for when the engine is putting out usable power (its actually the term for a graph showing this) its not an engine part!
I would think you need to set the carburetion or timing problems
My 2001 kx 250 was spluttering at top end. I tried new reeds, carb adjustment, power valve work, and all it turned out to be was my exhaust spark arresters was plugged with too much carbon crap build up. I changed arresters and my bike came back alive!
james /tom and jack
jennifer rush
i have know friends with me now
devo
"Jennifer Rush", "Huey Lewis and The News", "Celine Dion".
Sublime's hit Santaria was released on the album Sublime.
Shimmy A Go Go
if it turned cold take it out and hit your head with it
maroon 5
Maroon 5
the bands name was the specials