Rotax 4 stroke, 4 cylinder engines require special protection from high temperatures and gear wear. The semi-synthetic blend of our AV-9 is specially formulated to handle the unique operating conditions found in Rotax 4 cylinder engines with built-in gearboxes. Gearbox components are protected from premature failure with blended additives found in AV-9. The semi-synthetic blend will also suspend lead from aviation fuels. Specially formulated and blended, AV-9 is the ideal choice for Rotax 4 cylinder 4 stroke engines.
32 Fl. oz. (One U.S. QUART) 0.946 LITER
10w40 with Semi-Synthetic Motor oil with Gear Additive.
Specially formulated for Rotax 4-Stroke/4-Cylinder Aircraft Engines
I have been using AV-9 since the first engine start 360 hours ago in 2012. I see no debris in my filter or magnetic plug at oil changes. I use autogas about 90% of the time and AVGAS on the road. So far this oil has worked flawlessly.