Yamaha Merken Yamaha Xtz 660 t n r Yamaha Xtz 660 t n r generaties Yamaha Xtz 660 t n r 1992 Yamaha Xtz 660 t n r 1992 Yamaha Xtz 660 t n r 1993 Yamaha Xtz 660 t n r 1995 Yamaha Xtz 660 t n r 1996 Yamaha Xtz 660 t n r 1998 Yamaha Xtz 660 t n r 1999