5649961 was produced October 19th, 2007
original factory configuration was
without 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 nipple conn. for oil pump
with expansion tank
without air box
without engine truss
starter large
TBO would depend on what SBs have been complied with (check engine logbook) - refer to
http://legacy.rotaxowner.com/si_tb_info/serviceb/sb-912-041-ul.pdf
