PN Blue and Yellow
XRB561 is the second of the XRB's and is currently un-named. It is fitted with one set of "ears" on the non radiator end.
XRB561 behind NR73 and in front of NR69 near Lara 3/9/2011.
XRB561 rides between NR73 and NR78 at North Shore on the 4/10/2011.