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Honda EM specs: 1.5L (91 ci) 4-cylinder. Rated 67 hp, 1980–1983. Used in the Honda Civic. Rod ratio and piston speed worked out.
Each of the 4 cylinders displaces 22.8 ci (373 cc).
It is one of 14 engines in the Honda 91ci family, all of them 91 ci — the differences between them are in compression, heads and rating, not displacement. 4 factory variants share these dimensions, rated at 67 hp across 1980–1983.
| Displacement | 91 ci / 1.5 L |
|---|---|
| Cylinders | 4 |
| Configuration | I4 |
| Fuel type | gas |
|---|---|
| Advertised HP | 67 hp |
| Years | 1980–1983 |
| Displacement per cylinder | 22.8 ci |
|---|
Each link opens the calculator with this engine's specs already filled in.
These records share identical bore, stroke, displacement and compression. They differ by model year and factory power rating.
| Year | Advertised HP | Code |
|---|---|---|
| 1980 | 67 hp | EM |
| 1981 | — | EM |
| 1982 | — | EM |
| 1983 | — | EM |