Ktm Merken Ktm 640 lc4 enduro Ktm 640 lc4 enduro generaties Ktm 640 lc4 enduro 2004 Ktm 640 lc4 enduro 2004 Ktm 640 lc4 enduro 2005 Ktm 640 lc4 enduro 2006 Ktm 640 lc4 enduro 2007