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GedR
10-07-19, 03:07 AM
can I use fully synthetic oil on my 912. If so what does anybody recommend.
Thanks

Asgard
10-07-19, 06:09 AM
You can use a full synthetic if you fuel with Mogas/UL91.
Rotax states semi synthetic if you are burning 100LL, I believe it has to do with oils ability to hold lead deposits in suspension.
Oil change intervals with 100LL are also more frequent

GedR
10-07-19, 12:53 PM
Thanks, that is useful. I use mainly garage bought unleaded fuel but occasionally have to refuel when I land away. I think I will stick with semi synthetic. Thanks again for your advice

andy dixon
11-07-19, 20:52 PM
Just a quick tip.....when I change my oil in the plane I save it in a bottle and use it to top up the car,as the oil has hardly been used at 50 or 100 hours