Rotax Engine Forum (45)

Discussions Replies Latest Activity

Hard starting Rotax 912 ULS

So it started in January. I was having an unusually hard time starting my 912. The first time I killed the battery and had to jump start it…

Started by Charles Clayton

8 Jun 14
Reply by Charles Clayton

Anyone using the Edge Performance EP915ECI

I have been looking at the Rotax 912ULS but do not want to mess with carbs and want more HP than the 100HP it offers.  This EP915ECI is a c…

Started by David Aug

10 Apr 11
Reply by James Dennis Yeomans, DDS

Rotax 912 ULS Installed Weight

A friend of ours is about to install a Rotax 912 ULS in his Zenith CH750 STOL. The firewall forward kit is the standard package from Zenith…

Started by Oliver Reik

12 Feb 12
Reply by Guy Magnuson

912is return line

Has anyone had experience with installing a 912is in a CH 650.   There is an excellent video by Sky Tech and Rotax for installing the 912is…

Started by Guy Magnuson

9 Feb 8
Reply by Eric Genzlinger

Senenich C70MY low inertia Propeller blades

I am looking to replace my Warp Drive propeller blades with low inertia Senenich C70MY blades (low inertia foam core blades designed to fit…

Started by Mark Bengel

4 Jan 4
Reply by Shawn Magin

Carburators overhaul

Have over 500 hrs on my 912s and it looks like it’s due for a carburators overhaul.I do not feel like I am good enough to do it myself, so…

Started by Harmen van der Velden

5 Dec 24, 2022
Reply by Neil Cooper

912 Engine Preservation Document/Procedure

I will not use my airplane for about 10 months Can you help me locate preservation procedure for 912 engines (I only see documents for two…

Started by Shai Brenner

1 Dec 21, 2022
Reply by Matt Pope

Rotax CHT Sensor replacement

I find that Rotax 912ULS CHT Sensors, part 965531, cost $195 each. Has anyone found a more economical replacement?

Started by Jack E Martin

4 Oct 4, 2022
Reply by Michael Hage

Ivoprop on 912 - no engine damage after full-power crash

Just a brief note here on one odd little advantage of having an Ivoprop, an inexpensive but also less efficient prop that some fancier one…

Started by Peter Chapman

1 May 31, 2022
Reply by Daniel Biton

Rotax gearbox newbie

hi everyone complete newbie to the Rotax world ... I know thier motors are bulletproof...but was curious about the gearing im quite famil…

Started by Michael T.

2 May 11, 2022
Reply by Matt Pope


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