These are the engines that you are missing Tug
The “Engine” 6.28cc (Ugo Luccardi) 1938
The Dinamite Engine 6.28cc (Ugo Luccardi) 1938
Reproduction Dinamite engine (U. Luccardi-A, Prati) 1995
GN 10, 9.53cc (Garofali-Nobi) 1938
Italian Brown Junior, 9.83cc (Avre Mozzarini) 1938
Cassola 10cc (Cassola) 1942
M20E 3.68cc (Emillio Mancini) 1942
Mirus Senior 2.26cc (Emilio Biraghi) 1944
Helium MB 6 6.03cc (Emilio Fregonara) 1945
Siros 3.68cc (Ezzelini Rossi) 1946
Turbine 3.68cc (Ezzelini Rossi) 1947
Italian Dyno copy, 2.04cc (Giuseppe Tortora) 1942
Colibri 2.03cc (Ezzelini Rossi) 1946
EB 3CC II (Emilio Fregonara) 1944
Pantera 3.08cc (Giulio Pitturazzi) 1946
Pantera II 3cc (Giulio Pitturazzi) 1945
Super Antares 4cc (Uberto Travagli) 1944
Diesel da 3.62cc (Ugo Luccardi) 1945
Bicitindrico (twin cylinder) Diesel 7.43cc (Guseppe Tortora) 1954
3cc Diesel (Gianilo Passuello) 1952
3cc Glow plug (Gianil Passuello) 1952
Quasi Marquet 5cc (unknown) 1954
Pipa 10cc (Oscar Piccini) 1948
Some are very nice
Jo