If you determined to have someone look at it call around to the small engine service places rather than the local RV dealer. All they do is small engines day in and day out. Just because it's bolted to an RV doesn't mean it's something strange or exotic that needs a RV guy to look at it.
Although run time is low it might need a bit more maintenance at this point in it's life then oil and air filter replacement. Finding a local small engine tech who will assist can make life a little easier. Don't forget the mobile mechanics either.