Mercury 153ci specs: 3.68 x 3.58 in (93.5 x 90.9 mm) bore and stroke. Displacement, compression and factory ratings for each, plus rod ratio and piston speed.
| Displacement | 153 ci |
|---|---|
| Cylinders | 4 |
| Bore | 3.680" |
| Stroke | 3.580" |
| Compression | 9.0:1 |
| Years | 1986 |
| Engine | Displacement | Bore × Stroke | CR | HP |
|---|---|---|---|---|
| HSC | 153 ci | 3.68" × 3.58" | 9:1 | — |
This family is represented by a single engine in the database: 153 ci, 4 cylinders, a 3.68" × 3.58" bore and stroke.
Each engine page carries rod ratio, mean piston speed, bore/stroke character and cylinder head specs where published, and links into the calculators with its dimensions already filled in.