Rotax Engine Forum (26)

Discussions Replies Latest Activity

Where should this part go?

Had a coolant leak recently and while taking a look I came across this rubber part hanging off the expansion tank outlet between the tank a…

Started by Paul Sanders

3 Mar 18
Reply by Michel Ruf

Rotax engine mount

Hi a mate brought a 601 XL with an 912 fitted.  he has since found that the Engine mount has been modified and lengthened. He did not get a…

Started by Chris Sinfield

1 Mar 3
Reply by Doug Moellering

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

9 Jan 16
Reply by Jim and Amelia Isaacs

Rotax 912ULS with 912UL crank and crankcase

All, I have the opportunity to purchase a Rotax 912ULS with 912UL crank and crankcase. What are the PROs and CONs? I can purchase a 912ULS…

Started by Keith Ashcraft

4 Dec 19, 2019
Reply by Keith Ashcraft

Welcome to the Rotax Engine Forum!

Welcome to the Rotax Engine Forum!  We invite our members with Rotax engines, and those with interest in Rotax engines, to post their quest…

Started by John Austin

11 Dec 12, 2019
Reply by John Austin

912 install on a 701

It's time to start the install of the 912 to my 701. I purchased the engine from my uncle after he tore his plane off the trailer while hau…

Started by Vance Simons

2 Jul 23, 2019
Reply by Vance Simons

Add-ons to Rotax could be pricy?

I have found at the Rotax site price for 912U:LS as much as $6500. But they charge another $140 for second throttle. The cab heat manifold…

Started by Gino Shtirlits

2 Jul 20, 2019
Reply by Gino Shtirlits

Carb icing issues

HI All Has anyone encountered engine vibration on days with high relative humidity after descending from 4500 feet +? to about 1000' agl?…

Started by Herb Hornig

4 Jul 15, 2019
Reply by Herb Hornig

Electroaire Switches

Zenith supplied an Electroaire combination "mag" starter switch unit with my 701 kit. This is because Rotax no longer wants you to use the…

Started by Thomas Heiting

1 Jul 2, 2019
Reply by Jim and Amelia Isaacs

Charging issue

So about 2 weeks ago I was flying along and started having an intermittent low volt light come on with a drop in the voltage to just above…

Started by Charles Clayton

3 Jun 12, 2019
Reply by Charles Clayton

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