Towner Posted September 11, 2021 Report Share Posted September 11, 2021 I guess some airports in California are now selling the newly approved 100ul fuel. Any issues with using this with the Rotax? I'm guessing it would be the ideal fuel, but I don't know much about it Quote Link to comment Share on other sites More sharing options...
Garrett Gee Posted September 11, 2021 Report Share Posted September 11, 2021 I know that the 94UL is approved, so I don't see why the 100UL wouldn't be, as long as it meets/exceeds the ASTM D4814 (US standard) spec that is listed in the latest Rotax Operating Fluids SB. Per Rotax, as long as the AKI is 91 or higher, with a preference of it being unleaded, it can be used. I haven't personally used it or the 94UL though, just 93 Mogas. I would probably wait for a response from (or inquire with) both Rotax and FD. If nothing else, from a liability standpoint if, in the unlikely event something did happen. The insurance man might claim that it isn't an approved fuel. Quote Link to comment Share on other sites More sharing options...
cdarza Posted September 11, 2021 Report Share Posted September 11, 2021 Im not sure on the specs and I get more confused when I try to educate myself … to avoid the ethanol I’ve been using 100 unleaded here in the Philippines for over 12years and 1000hours and it seems like it’s all good… Product is Petron Blaze 100 Quote Link to comment Share on other sites More sharing options...
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