I am replacing the VW in my 701 with a Rotax 912 ULS, and am looking for some of the additional components needed.  These include:  old style "bed" mount; cowl; radiator; oil reservoir; oil cooler; exhaust system; and coolant expansion tank.  Please holler (jfs@gilanet.com) if you have any of these for sale.  Many thanks for any help.

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John,

You can order single components like engine mount and cowls from Zenair; also full Firewall Forward Packages (FWF) for installation of your Rotax 912. See here for details: http://zenair.weebly.com/rotax.html

John, I'm not sure going with the bed mount and the ULS is such a good idea.  The new ring style mount FWF was developed specifically because the ULS vibrations at startup and shutdown were breaking things on the 701 airframe Specifically, H-Stab mounting brackets).  One of the things I consider as mandatory if I were to upgrade to the 100hp engine from my current 912UL would be the new mount and cowl.

Also, if you do get a used bed mount there are issues with exhaust system fit if you have an older exhaust versus the newer bed mount.  My older exhaust wore a hole in the side of one of the tubes in the bottom of my bed mount.  About 2005 Zenith changed the design of the bed mount to accommodate the higher torque starter.  My bed mount was 2011 vintage with a 2003 vintage exhaust system and thus did not fit.

Otherwise, best of luck with the upgrade, I think you'll be impressed.  I love my 912 UL in my 701.

Doug M

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