Nameplate indicates that it is a 912 ULS2, with the new-style heads ( "01-suffix" ) - the nameplate suffix is mentioned in this video: http://www.rotax-owner.com/en/videos-topmenu/rotax-minute/448-newcylheads
6785618 is a 912 ULS (912 ULS2-01) produced 01-Feb-2016.
original factory configuration:
with fuel lines
UL2 I=2,43 with clutch
without vacuum pump
with green valve covers
without mech. tachom. pick up
without external generator
without air guide baffle
with std. temperatur sensors
with screw connection UNF
with expansion tank
without air box
without engine truss
starter large