| cc | bore | stroke | bore/stroke ratio | overbore |
| 848 | 62.94 | 68.25 | 92% | - |
| 970 | - | - | 114% | - |
| 997 | 62.94 | 81.50 | 77% | - |
| 998 | 64.59 | 76.2 | 85% | - |
| 1071 | - | - | 103% | - |
| 1098 | 64.59 | 83.72 | 77% | - |
| 1209 | - | 76 | - | +20 |
| 1226 | - | 76 | - | +40 |
| 1243 | - | 76 | 87% | +60 |
| 1256 | - | 79 | - | +20 |
| 1274 | - | 79 | - | +40 |
| 1275 | 70.61 | 81.28 | 87% | - |
| 1290 | 73.5 | 76 | 97% | - |
| 1293 | 71.2 | 81.28 | 87.5% | +20 |
| 1297 | - | 79 | 87% | +60 |
| 1303 | - | - | - | +30 |
| 1308 | 74 | 76 | 97% | - |
| 1310 (1312) | 71.6 | 81.28 | 88% | +40 |
| 1330 (1340) | 72.14 | 81.28 | 88.7% | +60 |
| 1336 | - | 84 | - | +20 |
| 1341 | 73.5 | 79 | 93% | - |
| 1355 | - | 84 | - | +40 |
| 1359 | 74 | 79 | 94 | - |
| 1368 | - | 86 | - | +20 |
| 1374 | - | 84 | - | +60 |
| 1380 | 73.5 | 81.33 | 90% | - |
| 1387 | - | 86 | - | +40 |
| 1400 | 74 | 81.33 | 91% | - |
| 1407 | - | 86 | - | +60 |
| 1425 (1430) | 73.5 | 84 | 87% | - |
| 1445 | 74 | 84 | 88% | - |
| 1459 | 73.5 | 86 | 86% | - |
| 1480 | 74 | 86 | 86% | - |
1430cc is usually 1380cc that is stroked or trick-bored (move the bore centres outwards), but by using both techniques it's possible to get 1600cc.
|
+0 |
70.61mm |
1273.4cc |
|
+20 |
71.12mm |
1291.8cc |
|
+40 |
71.63mm |
1310.3cc |
|
+60 |
72.13mm |
1328.8cc |
|
73.5mm |
1379.8cc |
|
|
74mm |
1398.6cc |