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Older 912 longevity

  • ChuckGant
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3 weeks 6 days ago - 3 weeks 5 days ago #22897 by ChuckGant
Older 912 longevity was created by ChuckGant
Hello. I’m new to Rotax engines, new to this forum, but not new to general aviation. I’ve been lurking here for awhile trying to get smart on Rotax engines. Please bare with my rookie questions.

I am seriously considering buying a Rans S-7 built in 2006 that has a 912 ULS with a 1500 hour TBO. The service bulletins indicate that it requires a new case to increase the TBO to 2000. It currently has 1200 hours on the engine.
1. Any significant issues I should know about an engine of this vintage?
2. Am I taking a big risk buying a 912 with this many hours?
3. Anything particular to look for on this engine when I go to look at the airplane?

It has had the carb inspection, gearbox inspection and 5-year rubber done within the last 50 hours.

Thanks in advance for any education you can give me before I commit to this purchase.



The serial number of the engine is: 5643446
The serial number of the crankcase is: 20647
Last edit: 3 weeks 5 days ago by ChuckGant.

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3 weeks 5 days ago #22901 by admin
Replied by admin on topic Older 912 longevity
5643446 was produced 23-Jan-2004

Engine Type: ROTAX 912 ULS
Engine Version: 912 ULS2
Model Number: 309120110

Original Factory Configuration:
without fuel lines
UL2 I=2,43 with clutch
without vacuum pump
with green valve covers
without mech. tachom. pick up
without external generator
without air guide baffle
with std. temperatur sensors
with nipple conn. for oil pump
with expansion tank
without air box
without engine truss
starter large

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