The Evolution engine is a badged MVVS, Evo is a completly different make of engine manufactured in Italy I belive, the MVVS and Evolution are made in CZ, very good engines, have a look at the MVVS Support Thread on here RCU that is, also Pe Riever's web site on MVVS.nl he is the importer into Holland and has an English web site with all the information you could possibly need.

Mike