Nice bike Yoghurt. Has that exhaust been modified. I just bought a low mileage ( 9000 Km ) 2006 640 SM.btw- the above bike and graphics are sick!
My bike one year ago when I bought it:
As it sits today:
It has tiny but plugs in the end pipes and sounds like my granny's scooter.
Sorry did not look properly, I now see that its aftermarket pipes.