Honda D13B Specs
Honda D13B engine specs: 79.3 ci (1.3L), 4-cylinder, 2.9528" bore x 2.9921" stroke, 9.2:1 compression.
Dimensions
| Displacement | 79.3 ci / 1.3 L |
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| Bore | 2.9528" |
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| Stroke | 2.9921" |
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| Cylinders | 4 |
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| Compression ratio | 9.2:1 |
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| Bore/stroke ratio | 0.987 |
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Construction
| Block material | aluminum |
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| Head material | aluminum |
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| Valvetrain | SOHC |
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| Fuel type | gas |
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| Advertised HP | 82 hp |
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What these numbers mean
| Bore/stroke character | 0.987 — square — bore and stroke are within 5%, a balanced compromise |
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| Mean piston speed at 6,000 RPM | 2,992 ft/min — conservative for a street engine |
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| Displacement per cylinder | 19.8 ci |
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| Static compression | 9.2:1 — low by modern standards, generally happy on regular pump fuel |
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