Morini Mo2 motor everythings there but
missing 2 cylinder studs, pm for more pics.
2-speed / piston port
Yamaha (I believe) Liquid cooled cylinder, head, piston,
reed and intake. Cylinder and piston look good. 82cc.
(Can't remember what model this is off of, this was to
be a for a moped project I'll never get too...) stamp on cylinder Y1