* 1st Generation (NA) Mazda Miata (1990-1997):
- The engine number is located on the right side of the engine block.
- It is near the oil filter.
- It is stamped on a metal plate.
* 2nd Generation (NB) Mazda Miata (1998-2005):
- The engine number is located on the back of the engine block.
- It is near the transmission bell housing.
- It is engraved into the metal block.
* 3rd Generation (NC) Mazda Miata (2006-2015):
- The engine number is located on the passenger side of the engine block.
- It is near the oil pan.
- It is engraved into the metal block.
* 4th Generation (ND) Mazda Miata (2016-Present):
- The engine number is located on the back of the engine block.
- It is near the top of the engine.
- It is engraved into the metal block.
