No idea...The engine codes I used are these. Is one of these not Rotax?
Macintosh:AR112008 jesse.angell$ cat ENGINE |grep ROTAX
09050,BOMBARDIER,ROTAX (ALL) ,1,00000,000000,
09051,BOMBARDIER,ROTAX 912 F2 ,1,00081,000000,
09052,BOMBARDIER,ROTAX 912 F3 ,1,00081,000000,
09053,BOMBARDIER,ROTAX 912 F4 ,1,00081,000000,
09054,BOMBARDIER,ROTAX 912 S2 ,1,00099,000000,
09055,BOMBARDIER,ROTAX 912 S3 ,1,00099,000000,
09056,BOMBARDIER,ROTAX 912 S4 ,1,00099,000000,
09057,BOMBARDIER,ROTAX 914 F2 ,1,00115,000000,
09058,BOMBARDIER,ROTAX 914 F3 ,1,00115,000000,
09059,BOMBARDIER,ROTAX 914 F4 ,1,00115,000000,
55555,ROTAX ,SEE BOMBADIER,1,00000,000000,
55556,ROTAX ,582 ,7,00065,000000,
55557,ROTAX ,582E ,7,00065,000000,
55558,ROTAX ,582UL ,7,00065,000000,
55559,ROTAX ,582UL-99 ,7,00065,000000,
55560,ROTAX ,582ULDCDI-99 ,7,00065,000000,
55561,ROTAX ,582DCDI-99 ,7,00065,000000,
55562,ROTAX ,582DCDI ,7,00065,000000,
55563,ROTAX ,582UL DCDI ,7,00065,000000,
55564,ROTAX ,503 ,7,00052,000000,
55565,ROTAX ,503UL ,7,00052,000000,
55566,ROTAX ,503 DCDI ,7,00052,000000,
55567,ROTAX ,503DCSI ,7,00052,000000,
55568,ROTAX ,503ULDCDI ,7,00052,000000,
55569,ROTAX ,912 ,8,00080,000000,
55570,ROTAX ,912S ,8,00100,000000,
55571,ROTAX ,912UL ,8,00080,000000,
55572,ROTAX ,912ULS ,8,00100,000000,
55573,ROTAX ,912ULSFR ,8,00100,000000,
55574,ROTAX ,912UL2 ,8,00080,000000,
55575,ROTAX ,914 ,8,00100,000000,
55576,ROTAX ,447 ,7,00040,000000,
55577,ROTAX ,583 ,7,00092,000000,
55578,ROTAX ,618 ,7,00075,000000,
55579,ROTAX ,532 ,7,00065,000000,
55580,ROTAX ,521 ,7,00080,000000,
55581,ROTAX ,377 ,7,00035,000000,
55582,ROTAX ,503DC ,7,00052,000000,
55583,ROTAX ,552 ,7,00057,000000,
55584,ROTAX ,505 ,7,00040,000000,
55585,ROTAX ,277 ,7,00026,000000,
55586,ROTAX ,477 ,7,00040,000000,
55592,ROTAX ,912UL ,1,00080,000000,