Makke's 2007 BMW R 1200 GS Adventure engine modifications - 125bhp at the rear wheel!
Photos by Onze Makke from Beganendaak, Belgium.
Onze used to work for the Belgiun Boxer Cup team, see page 3 for some photos.
See more bike photos from Makke here: http://www.bikepics.com/members/makke