912uls Carburetor Part #

9569948 was produced 23-Nov-2017

Engine Type: ROTAX 912 ULS

Engine Version: 912 ULS2-01

Model Number: 309120110

Original Factory Configuration:

• 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

Carb serial numbers (as shipped) :  17.3733   and  17.3874

Hopefully this thread is still alive !

Would the Admin be so kind and look up my Carb serial numbers as well.

912 ULS 2-01, 3 years old - all original.

Serial number: 67 85 459 

Thanks, Tom  

6785459 was produced 14-Jan-2016

Engine Type: ROTAX 912 ULS

Engine Version: 912 ULS2-01

Model Number: 309120110

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

original carb serial numbers:

15.4665  and   15.4867

My mechanic finally has carburetor circlips in stock, and I'm now trying to determine whether SB-912-073 applies to my plane.

I'm puzzled because SB-912-073 appears to apply only to "912 A," "912 F" and "912 S" engines. The engine identifying information in my Engine Logbook simply says "912ULS" and does not indicate that it is an A, F or S model.

I've searched online, and it appears that 912 A, F and S models all are certified engines, and that a 912 ULS engine is an entirely different model (https://en.wikipedia.org/wiki/Rotax_912#Variants) to which SB-912-073 would not apply.

My engine Serial Number is 6785876. Can this Serial Number be used to determine whether SB-912-073 applies to me?

912 ULS is indeed the UL (non-certificated) version of the 912S (100HP) engine.

Check the SB-912-073UL bulletin for applicability:

https://legacy.rotaxowner.com/si_tb_info/serviceb/sb-912-073-ul.pdf

see also https://www.rotax-owner.com/en/videos-topmenu/free-videos/674-techtip-sb-912-073