Rotax 912 ULS Service Bulletins

Service Bulletins contain service requirements and instructions that must be addressed, complied with or completed within a specified period.

These bulletins are from January 2015 onwards and specific for Rotax 912ULS Serial No. 678**** . Previous bulletins can be found here.

TBO for this engine has now been extended to 2,000 hrs or 15 years, whichever arises first. See SB-912-057UL

SB-912-065UL Periodic inspection of the Float Buoyancy for ROTAX engines 912 & 914 (series) Rev3 MANDATORY
26 March 2015 800kb
A manufacturing deviance may lead to some floats absorbing fuel which increases their weight affecting the float level in the carb.

SB-912-067UL Exchange of floats on ROTAX Engine Type 912 and 914 (Series) Rev.1 MANDATORY
26 March 2015 306kb
A manufacturing deviance may lead to some floats absorbing fuel which increases their weight affecting the float level in the carb.

SB-912-066UL Change of Measurement method from Cyl.Head temp. to Coolant temp. for Rotax 912 & 914 series Rev.1 MANDATORY
23 April 2015 39kb
The temperature sensor on heads produced since 1 March 2013 now reads coolant temperature instead of cylinder head temperature.

SB-912-068UL Spec/change of Engine Configuration for Type Plate ROTAX Engine 912/914 Series Rev.2 MANDATORY
9 September 2015 28kb
Engines updated with new style cylinder heads must have Type Plates amended with stamp or engraving.

SB-912-000 Publication Index For Rotax Aircraft Engines – Revision 19
23 December 2015 150kb
Master list of All factory documents for 912 series aircraft engines