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using serial # to find year of 912UL manufacture

  • WARREN ROBERTS
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3 years 10 months ago - 1 year 7 months ago #7133 by WARREN ROBERTS
WARREN ROBERTS created the topic: using serial # to find year of 912UL manufacture
========= EDITORIAL =========

Sticky'ed: Related to this topic - how to find the TBO of your engine!

Here is the LINK to SB-912-057 (UL)

"Extension of TBO for ROTAX Engine Type 912 (series)"

========== END EDIT ==========


I'M HAVING A LITTLE PROBLEM FINDING INFORMATION BASED ON MY SERIAL # FOR MY 912 UL 80HP (DATE OF MANUF. ETC.)
ANY SUGGESTIONS WILL BE APPRECIATED.............

THANKS.......

WARREN
MAUI,HAWAII

PROUD OWNER:

SEAREY AND KITFOX 4 1200
Last Edit: 1 year 7 months ago by RotaxOwner Admin.

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3 years 10 months ago #7135 by Roger Lee
Roger Lee replied the topic: using serial # to find year of 912UL manufacture
Hi Warren,

Post the serial number here and maybe Rob will chime in with the info.

Roger Lee
LSRM-A & Rotax Instructor & Rotax IRC
Tucson, AZ Ryan Airfield (KRYN)
520-574-1080 Home (TRY HOME FIRST)
520-349-7056 Cell

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  • WARREN ROBERTS
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3 years 10 months ago #7136 by WARREN ROBERTS
WARREN ROBERTS replied the topic: using serial # to find year of 912UL manufacture
Thanks Roger..........

The serial # on my Rotax 912 UL is: 4400066

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3 years 10 months ago #7146 by Rob Seaton
Rob Seaton replied the topic: using serial # to find year of 912UL manufacture
May 1995

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3 years 10 months ago #7149 by WARREN ROBERTS
WARREN ROBERTS replied the topic: using serial # to find year of 912UL manufacture
Rob ...Thanks for taking the time to answer my question....
Ha Ha...now all I have to do is figure out all the advisories I have to comply with for a 1995 80hp with only 3 hours on it since new!!!!
Thanks Again.....

Warren
Maui,Hawaii

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  • Przemysław Wiśniewski
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3 years 10 months ago - 3 years 10 months ago #7150 by Przemysław Wiśniewski
Przemysław Wiśniewski replied the topic: using serial # to find year of 912UL manufacture
Hi, can I please check manufacture date for 4,400.381 ? 912 UL 80hp
Thanks
Last Edit: 3 years 10 months ago by Przemysław Wiśniewski.

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3 years 10 months ago #7158 by Rob Seaton
Rob Seaton replied the topic: using serial # to find year of 912UL manufacture
October 1995

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3 years 10 months ago #7167 by Przemysław Wiśniewski
Przemysław Wiśniewski replied the topic: using serial # to find year of 912UL manufacture
Thanks ;)

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3 years 10 months ago #7277 by Esben Oestergaard
Esben Oestergaard replied the topic: using serial # to find year of 912UL manufacture
We're a small group of pilots looking to buy our very first used ultralight with a 912 UL or ULS.

From the documents SB-912-041-UL and SB-912-057-UL I can see that the TBO has been increased for new engines a few times over the years. I'm curious as to how the year of manufacture relates to the TBO (since the year is all I see when browsing the used aircraft listings).

The documents specify the following serial numbers as the first engine in each TBO-"group":

912UL
- S/N 4,152,667 (TBO 1200h/15y)
- S/N 4,404,718 (TBO 1500h/15y)
- S/N 4,409,716 (TBO 2000h/15y)

912ULS
- S/N 4,427,533 (TBO 1500h/12y)
- S/N 6,775,790 (TBO 2000h/15y)


Rob, can you please also look up the year of manufacture for those engines?

Thanks

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3 years 10 months ago #7278 by Rob Seaton
Rob Seaton replied the topic: using serial # to find year of 912UL manufacture
912UL
- S/N 4,152,667 (TBO 1200h/15y) -1994
- S/N 4,404,718 (TBO 1500h/15y) -2001
- S/N 4,409,716 (TBO 2000h/15y) -2009

912ULS
- S/N 4,427,533 (TBO 1500h/12y)-2001
- S/N 6,775,790 (TBO 2000h/15y)-2009
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3 years 5 months ago #8299 by Reinaldo Niella
Reinaldo Niella replied the topic: using serial # to find year of 912UL manufacture
Hi Rob how are you ? could you please post some info on this engine ? #4407181 ? we need to purchase some spares from overseas (crankcase and shaft) and we need to make sure they are compatible to our 912S.. (year 2005) by the way, is there a way to figure out if a crankcase for certain engine is compatible to another one ? and also, from which serial# the crankcases for a 912UL started coming with the though-bolt ? THANKS A LOT !!

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3 years 5 months ago #8308 by Dave Smith
Dave Smith replied the topic: using serial # to find year of 912UL manufacture
Greetings Reinaldo,
I need a crankshaft also, who are you buying from?
Thank you!
Dave

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3 years 5 months ago #8318 by Russell Hildebrand
Russell Hildebrand replied the topic: using serial # to find year of 912UL manufacture
Rob,
How about one more...
912UL S/N 4,005,331

Thanks,

Russ
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3 years 5 months ago #8328 by Rob Seaton
Rob Seaton replied the topic: using serial # to find year of 912UL manufacture
Sept 1992

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3 years 4 months ago #8331 by Reinaldo Niella
Reinaldo Niella replied the topic: using serial # to find year of 912UL manufacture
Hi Rob, thank you for your help and sorry to bother you ! was Sep 1992 the answer for my engine s/n #4407181 or for the following post ? it seems too old for such engine, thanks again

Reinaldo

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3 years 4 months ago #8332 by Rob Seaton
Rob Seaton replied the topic: using serial # to find year of 912UL manufacture
Missed that: 4407181 was made April 2005
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  • Walter Ney Vita Sampaio
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3 years 2 months ago #8682 by Walter Ney Vita Sampaio
Walter Ney Vita Sampaio replied the topic: using serial # to find year of 912UL manufacture

Rob Seaton wrote: Missed that: 4407181 was made April 2005


Hi Rob, how about the year of 912 ULS 100 HP serial # 4429402?

Could you tell me what is the right positioning (installation) of the WESTACH EGT probe on this serial number engine (old manuals says 7cm and the newest one says 10cm)? Which is the correct?

Thanks a lot!!!

Best regards.

Ney

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3 years 2 months ago #8683 by Roger Lee
Roger Lee replied the topic: using serial # to find year of 912UL manufacture
100mm or 10cm

Roger Lee
LSRM-A & Rotax Instructor & Rotax IRC
Tucson, AZ Ryan Airfield (KRYN)
520-574-1080 Home (TRY HOME FIRST)
520-349-7056 Cell
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3 years 2 months ago #8684 by Walter Ney Vita Sampaio
Walter Ney Vita Sampaio replied the topic: using serial # to find year of 912UL manufacture

Roger Lee wrote: 100mm or 10cm


Thanks a lot, Roger!!!

And about the manufacture year of the 912 ULS 100 HP serial #4429402? How could I get it?

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3 years 2 months ago #8685 by Roger Lee
Roger Lee replied the topic: using serial # to find year of 912UL manufacture
I don't have access to MFG dates. Hopefully Rob will field this one.

Roger Lee
LSRM-A & Rotax Instructor & Rotax IRC
Tucson, AZ Ryan Airfield (KRYN)
520-574-1080 Home (TRY HOME FIRST)
520-349-7056 Cell

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