Inside OS IL 300

Hello, my dear viewers & subscribers ! Todays video fully dedicated to the disassembling of the legendary O.S. IL 300 Dia Star 4 cylinders in line 4 stroke engine, to study its internal structure. I assume this is the only video on the OS IL 300 Dia Star disassembly over the net right now, so enjoy this exclusive viewing & exceptional OS design. This engine is truly the piece of mechanical & engineering art. Musical excerpts courtesy of Movavi video editor.

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Yamaha 90cc twin cylinder engine rebuild - 1970 HS1

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