Ditto. One gallon of 25:1 should complete the primary break in period and to finally set the needles and get her ready to fly.
If the engine is Way too rich, lean out to slightly rich. Keep engine loads down fpr the first gallon, and slowly in short bursts increase loads. Go slowly here.
You might want to check the procedures for the UL Rotax engines http://www.800-airwolf.com/ tech info