what seems to happen is that the exchange rate drives the prices up. if the exchange rate is lower the next year the impoters dont lower the price it seems but keep from last years high.
thats what i think affect the prize on bikes.
I was thinking updates on the chassie since the motors are plenty strong
kawasak leaving a chassie unchanged for 10+ i think is a bit long
the longes time was 14 years that suzuki left the rm80 unchanges from 1986 to 1999