This engine displacement reference table shows the displacement (cc) for a range of bore values, assuming a stroke of 90 mm and a number of cylinders of 4. Every figure is computed with the same engine that powers our Engine Displacement Calculator, so the numbers are exact.
| Bore | Displacement (cc) | Displacement (litres) |
|---|---|---|
| 21 mm | 125 | 0.12 |
| 42 mm | 499 | 0.50 |
| 63 mm | 1,122 | 1.12 |
| 84 mm | 1,995 | 2.00 |
| 130 mm | 4,778 | 4.78 |
| 170 mm | 8,171 | 8.17 |
| 250 mm | 17,671 | 17.67 |
| 420 mm | 49,876 | 49.88 |
| 590 mm | 98,423 | 98.42 |
| 840 mm | 199,504 | 199.50 |
How to use this table
Find the row closest to your bore and read across to the displacement (cc). For a value between two rows, the real figure sits between them — or enter your exact numbers in the Engine Displacement Calculator for a precise answer.
Need a value that is not in the table? — the Engine Displacement Calculator does it instantly, for free, with the formula and a worked example built in.
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