finding the Rotax engine manufacture date and model

6026836 is not a valid ROTAX serial number. And ROTAX aircraft engines are not prefixed with letter M (or any letter!)...
Are you sure that you have an aircraft engine?

I would like to know the year and information on a 914 that I am buying.  Serial number 4417610

Thank you.

Levi

4417610 was produced 10-Jul-1997

Engine Type: ROTAX 914 UL

Model Number: 309140010

(no additional data is found in the factory database...)

Thank you!.  Assuming this engine has been taken care of, would you see any problem with putting it in service on a Kitfox model 5?  It has been sitting on a project that hasn't been flown for many years.

There are plenty of 1990's-vintage 9-series engines still in service. Check the logbook!!

As long as it has been regularly and periodically maintained according to the manuals, it should be fine...

Just remember that engines in storage (or sitting on a plane unused) still need to be maintained with a certain protocol. And there are things that are strictly serviceable by calendar time (Five year rubber replacement, for example)

See the 914 Installation manual section 9.3: "If the engine is stored for a period longer than 12 month perform every 3 months the tasks given in the current valid Maintenance Manual, section 11.11.1 'Preservation of a new engine'. "

All the 914 manuals can be downloaded here:  https://www.rotax-owner.com/en/support-topmenu/engine-manuals#914-series-engines