What Honda motors will mount straight into a 1992 Civic CX without motor mount changes?

The Honda motors that can be directly mounted into a 1992 Civic CX without requiring motor mount changes include the D15B and D16Y8 engines, as they are part of the same engine family. Additionally, the D16Z6 engine is also a compatible option. These engines share the same mounting points, allowing for a straightforward swap. Always ensure compatibility with the vehicle's ECU and wiring harness for optimal performance.