Engines
Engine Specifications
Explore our comprehensive database of Classic Mini engine specifications. Find detailed information about bore sizes, stroke lengths, power outputs, and more for various Classic Mini engines.
Standard bore and stroke Standard stroke, overbore Different stroke
Engine Specifications
| Size | Original Block | Engine Size | Bore Size | Over Bore | Stroke | Est. Power | Est. Torque |
|---|---|---|---|---|---|---|---|
| 850 | 850cc | 2.58" / 62.9mm | ---- | 2.688" / 68.26mm (std) | 34bhp | 44lb/ft | |
| 997 | 997cc | 2.458 / 62.43mm | ---- | 3.200" / 81.28mm (std) | 55bhp | 54lb/ft | |
| 998 | 998cc | 2.543" / 64.57mm | ---- | 3.000" / 76.20mm (std) | 41bhp | 52lb/ft | |
| 998 | 1014cc | 2.563" / 65.09mm | +020 | 3.000" / 76.20mm (std) | ---- | ---- | |
| 998 | 1030cc | 2.583" / 65.60mm | +040 | 3.000" / 76.20mm (std) | ---- | ---- | |
| 998 | 1046cc | 2.603" / 66.10mm | +060 | 3.000" / 76.20mm (std) | ---- | ---- | |
| 998 | 1062cc | 2.62" / 66.61mm | +080 | 3.000" / 76.20mm (std) | ---- | ---- | |
| 1100 - (998) | 1098cc | 2.543" / 64.58mm | ---- | 3.296" / 83.72mm | 45bhp | 56ft/lb | |
| 1100 - (998) | 1114cc | 2.563" / 65.09mm | +020 | 3.296" / 83.72mm | ---- | ---- | |
| 1100 - (998) | 1132cc | 2.583" / 65.60mm | +040 | 3.296" / 83.72mm | ---- | ---- | |
| 1100 - (998) | 1149cc | 2.603" / 66.10mm | +060 | 3.296" / 83.72mm | ---- | ---- | |
| 1100 - (998) | 1167cc | 2.62" / 66.61mm | +080 | 3.296" / 83.72mm | ---- | ---- | |
| 1100 - (998) | 1216cc | 2.68" / 68mm | 68mm | 3.296" / 83.72mm | ---- | ---- | |
| 1275 | 1275cc | 2.78" / 70.6mm | ---- | 3.200" / 81.28mm (std) | 63bhp | 70lb/ft | |
| 1275 | 1293cc | 2.801" / 71.145mm | +020 | 3.200" / 81.28mm (std) | ---- | ---- | |
| 1275 | 1302cc | 2.811" / 71.4mm | +030 | 3.200" / 81.28mm (std) | ---- | ---- | |
| 1275 | 1311cc | 2.821" / 71.65mm | +040 | 3.200" / 81.28mm (std) | ---- | ---- | |
| 1275 | 1330cc | 2.841" / 72.16mm | +060 | 3.200" / 81.28mm (std) | ---- | ---- | |
| 1275 | 1361cc | 73mm | 73.00 | 3.200" / 81.28mm (std) | ---- | ---- | |
| 1275 | 1379cc | 73.5mm | 73.50 | 3.200" / 81.28mm (std) | ---- | ---- | |
| 1275 | 1398cc | 74mm | 74.00 | 3.200" / 81.28mm (std) | ---- | ---- | |
| 1275 | 1406cc | 73mm | 73.00 | 84.00mm | ---- | ---- | |
| 1275 | 1426cc | 73.5mm | 73.50 | 84.00mm | ---- | ---- | |
| 1275 | 1440cc | 73mm | 73.00 | 86.00mm | ---- | ---- | |
| 1275 | 1460cc | 73.5mm | 73.50 | 86.00mm | ---- | ---- | |
| 1275 | 1479cc | 74mm | 74.00 | 86.00mm | ---- | ---- |
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