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Rotax 914 break-in oil

  • roheim
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5 months 1 day ago #19218 by roheim
Rotax 914 break-in oil was created by roheim
I just took delivery of a new 914. The engine was manufactured in November of 2017. Unlike my other 914,s, this one came with 4 liters of “Rotax 10w-50w break- in oil. I’m not able to find any documentation on the oil, how long to run it or any advisories from Rotax about the included oil. Any information you can offer is appreciated
Thanks

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5 months 1 day ago #19220 by kenryan
Replied by kenryan on topic Rotax 914 break-in oil
My new Rotax 914 purchased about a year ago came with 4 liters of Aeroshell Sport Plus 4 -- the same oil recommended for normal operation.

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5 months 1 day ago #19221 by roheim
Replied by roheim on topic Rotax 914 break-in oil
Thanks for the reply Ken. My concern is that this oil is labeled “break-in” oil. Typically break-in oils are designed and intended to be used for a very specific time (hours). I also noticed 2 new bolts protruding form the prop end of the engine, 1 above the magnetic plug and one below it. I was wondering if Rotax made a design change to the reduction drive and the break-in oil was now mandatory.

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5 months 1 day ago #19224 by eswallie
Replied by eswallie on topic Rotax 914 break-in oil
I just installed a new 912 and it came with 4 liters of Aeroshell Sport Plus 4, the same oil recommended for normal operation.

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5 months 21 hours ago - 5 months 21 hours ago #19225 by Roger Lee
Replied by Roger Lee on topic Rotax 914 break-in oil
I've never heard of an aviation Rotax 10-50W oil. We all just use at the begining what you'll use all the time,,i.e. Aero Shell Sport Plus 4. I did an internet search and couldn't find it either. You sure that isn't a See-Doo oil or something along that line?

I'd like to see a picture of this oil.

Roger Lee
LSRM-A & Rotax Instructor & Rotax IRC
Tucson, AZ Ryan Airfield (KRYN)
520-574-1080 Home (TRY HOME FIRST)
520-349-7056 Cell
Last edit: 5 months 21 hours ago by Roger Lee.

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5 months 21 hours ago #19227 by garrett
Replied by garrett on topic Rotax 914 break-in oil
And try to avoid 100LL.

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4 months 4 weeks ago #19235 by Bill Hertzel
Replied by Bill Hertzel on topic Rotax 914 break-in oil
Who did you take delivery of the engine from?
They may have swapped out the Oil. ???
Are the bottles actually labeled "Rotax 10w-50w Break-In Oil"
I'd like to see a picture of this Oil also!

Unlike conventional engines that commonly run aluminum pistons in a steel sleeved cylinder,
the Rotax engines are running Aluminum Pistons in Aluminum Cylinders.
There is no differential thermal expansion to deal with, allowing the tolerances to be much tighter.

Aeroshell Sport Plus 4 is the recommended Oil and there is no breaking procedure.
You can Oil it up and go balls to the wall on the first flight!

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